0001628280-25-023248 | 10-Q | XBRL Viewer

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Debt and Financing Obligations - Narrative (Details) - USD ($) $ in Thousands		1 Months Ended		3 Months Ended
	Apr. 11, 2024	May 31, 2024	Dec. 31, 2023	Mar. 31, 2025	Mar. 31, 2024
Debt Instrument [Line Items]
Proceeds from loan facility				$ 0	$ 4,250
Present value of vendor financing obligation				$ 4,186
Vendor financing obligation, interest rate (in percent)				9.00%
Vendor financing obligation, interest expense				$ 100
Licensed IP
Debt Instrument [Line Items]
License agreement, cash consideration	$ 6,000
License agreement, term extension (in years)	5 years
East West Bank Loan \| Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 5,000
Basis spread on variable rate (in percent)			0.50%
Interest rate (in percent)			4.50%
Proceeds from loan facility					4,300
Interest expense, debt					$ 100
Repayments of debt		$ 4,300

Fair Value of Financial Instruments

3 Months Ended

Mar. 31, 2025

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

Financial instruments measured at fair value on a recurring basis

The following tables present the Company's financial assets and liabilities that are measured at estimated fair value on a recurring basis as of March 31, 2025 and December 31, 2024:


	Fair value measurements as of March 31, 2025
	(in thousands)
	Carrying value		Level 1		Level 2		Level 3
Financial assets:
Cash equivalents:
Money market funds	19,927		19,927		—		—
Total	19,927		19,927		—		—
Available-for-sale marketable securities:
U.S. treasury securities	13,430		—		13,430		—
U.S. government agencies securities	31,618		—		31,618		—
Total	45,048		—		45,048		—
Total	$	64,975	$	19,927	$	45,048	$	—

	Fair value measurements as of December 31, 2024
	(in thousands)
	Carrying value		Level 1		Level 2		Level 3
Financial assets:
Cash equivalents:
Money market funds	13,144		13,144		—		—
Total	13,144		13,144		—		—
Available-for-sale marketable securities:
U.S. treasury securities	27,237		—		27,237		—
U.S. government agencies securities	40,619		—		40,619		—
Total	67,856		—		67,856		—
Total	$	81,000	$	13,144	$	67,856	$	—
Liabilities:
Contingent consideration	11		—		—		11
Total	$	11	$	—	$	—	$	11

The Company's level 1 financial assets were valued using quoted prices in active markets for identical assets as of March 31, 2025. The Company’s level 2 financial assets were determined based on third-party inputs which are either directly or indirectly observable, such as reported trades and broker or dealer quotes. The Company's marketable securities have an amortized cost that approximates fair value as of March 31, 2025.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

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+ Details

Stock-Based Compensation

3 Months Ended

Mar. 31, 2025

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation

Stock-Based Compensation Plans

On March 18, 2024, the number of shares of common stock reserved for issuance under the Company’s 2014 Stock Incentive Plan (the “2014 Plan”) was increased to 4.6 million and the term of the 2014 Plan was extended to March 18, 2034. On April 26, 2024, in connection with the Company’s initial public offering (“IPO”), the Company’s board of directors approved and adopted, subject to stockholder approval, the 2024 Stock Incentive Plan (“2024 Plan”), and the Company’s stockholders approved the 2024 Plan on April 29, 2024. The 2024 Plan became effective on May 8, 2024 and supersedes the Company’s 2014 Plan. All forfeited shares underlying RSUs granted under the 2014 Plan and shares reserved for future issuance under the 2014 Plan are included in the share reserve under the 2024 Plan. As of March 31, 2025, the number of shares of common stock reserved for future issuance under the 2024 Plan was 4,084,852.

The following table summarizes the Company's RSU activity pursuant to the 2014 Plan and the 2024 Plan for the three months ended March 31, 2025:


	Weighted Average			Number of Awards
	Grant Date Fair Value		Remaining Contract Term (in years)
Balance as of December 31, 2024	$	12.75	8.83	1,503,662
Granted	6.22		9.92	321,846
Vested	10.95		8.82	(332,444)
Forfeited / canceled	12.42		8.32	(18,770)
Balance as of March 31, 2025	$	12.43	8.83	1,474,294

Stock-based Compensation

The Company issues RSUs to its employees, directors and service providers. The RSUs awarded under the 2014 Plan generally had two vesting requirements, a Time-Based Requirement and a Liquidity Event Requirement. The Liquidity Event Requirement would be satisfied as to any then-outstanding RSUs on the first to occur of: (1) a change in control event (as defined in the award agreement) or (2) the first sale of common stock pursuant to an underwritten IPO, in either case, within 10 years of the grant date. The Liquidity Event Requirement was satisfied upon the consummation of the IPO on May 13, 2024. The Time-Based Requirement generally requires four years for full vesting of the grants, with 25% vesting after one year and quarterly vesting over the subsequent three years. Certain grants have had modified time-based vesting requirements, including certain grants that have been issued with the Time-Based Requirement satisfied on the grant date. The Company recognizes its stock-based compensation expense ratably over the requisite service period, which is generally four years.

Prior to the IPO the Company did not record stock-based compensation expense for the RSUs, as the Liquidity Event Requirement was not deemed probable. Upon the consummation of the Company’s IPO, the Liquidity Event Requirement was met, and the Company incurred stock-based compensation expense associated with (i) RSUs granted to active employees and service providers, (ii) RSUs granted to certain former employees and service providers whose RSUs vested in connection with the Liquidity Event, and (iii) the acceleration of the Time Based Requirement for certain awards to executive officers, senior management and directors as a result of the Liquidity Event.

During the three months ended March 31, 2025, the Company’s compensation committee granted a variable number of RSUs to executives which have a vesting term of four years. The number of RSUs issued are calculated as the five day volume-weighted average price of the Company’s common stock on April 1, 2025. As the Company has an obligation to issue a variable number of shares for a fixed monetary amount, the RSUs were accounted for as liability-classified awards and re-measured to their fair value based on the closing fair market value price of the Company’s common stock on April 1, 2025. The Company recognized stock-based compensation expense of $0.1 million associated with the liability-classified RSUs during the three months ended March 31, 2025, with a corresponding increase to accrued expenses of $0.1 million. If the awards were finalized on March 31, 2025, the Company would have been required to issue 663,581 RSUs.

During the three months ended March 31, 2025, the Company recorded total stock-based compensation expense of $2.3 million for the service period through such date using the straight-line attribution method, net of actual forfeitures, based on the grant-date fair value of the RSU awards. The following table summarizes stock-based compensation expense by function for the three months ended March 31, 2025:


	Three Months Ended March 31, 2025
	(in thousands)
Cost of revenue	$	199
Research and development	244
Sales and marketing	323
General and administrative	1,511
	$	2,277

As of March 31, 2025, the Company had unrecognized stock-based compensation expense of $18.1 million which is expected to be recognized over a weighted average period of 2.7 years.

Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2025
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On April 29, 2025, Silvaco, Inc., a wholly-owned subsidiary of the Company, entered into a Stock Purchase Agreement (the “Stock Purchase Agreement”) with the shareholders of Tech-X Corporation (the “Sellers”) pursuant to which Silvaco, Inc. acquired all of the outstanding shares of Tech-X Corporation for an aggregate purchase price of $5.0 million, payable in cash and shares of the Company. The Stock Purchase Agreement also provides that the Sellers may receive up to $2.0 million in contingent consideration upon achieving certain research and development milestones. The Company and Kipee International entered into a new commercial lease agreement, effective as of May 1, 2025, for a three year period ending on April 30, 2028.

Summary of Significant Accounting and Reporting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Restricted Stock Units (RSUs)
Accounting Policies [Line Items]
RSU Grants (in shares)	1,474,294	4,302,178

Debt and Financing Obligations - Schedule of Contractual Obligation, Fiscal Year Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Maturities of Long-Term Debt [Abstract]
Remainder of 2025	$ 1,200
2026	1,200
2027	1,200
2028	1,200
Total undiscounted cash flows	4,800
Less: Imputed interest	614
Present value of vendor financing obligation	4,186
Vendor financing obligation, current	1,191	$ 1,462
Vendor financing obligation, non-current	$ 2,995	$ 2,928

Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

As of March 31, 2025 and December 31, 2024, intangible assets were classified as follows:


		March 31, 2025
Intangible assets:	Weighted Average Amortization Period (in years)	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
		(in thousands)
Developed technology	6	$	1,800	$	(718)	$	1,082
Customer relationships	6	4,990		(61)		4,929
Non-compete agreements	5	20		(18)		2
Licensed IP	5	4,979		(995)		3,984
Total intangible assets		$	11,789	$	(1,792)	$	9,997


		December 31, 2024
Intangible assets:	Weighted Average Amortization Period (in years)	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
		(in thousands)
Developed technology	5	$	800	$	(666)	$	134
Customer relationships	5	90		(90)		—
Non-compete agreements	5	20		(17)		3
Licensed IP	5	4,979		(747)		4,232
Total intangible assets		$	5,889	$	(1,520)	$	4,369

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

As of March 31, 2025, estimated future amortization expense for the intangible assets reflected above was as follows:


Year Ending December 31,
	Amount
	(in thousands)
Remainder of 2025	$	1,573
2026	1,970
2027	1,970
2028	1,970
2029	1,223
Thereafter	1,291
Total net carrying value of intangible assets	$	9,997

Acquisitions

3 Months Ended

Mar. 31, 2025

Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]

Acquisitions

Optical Proximity Correction Suite of Tools

On March 4, 2025, the Company consummated an asset purchase agreement with Cadence Design Systems, Inc. (“Cadence”), pursuant to which, among other things, Silvaco agreed to acquire certain assets and assume certain liabilities comprising Cadence’s Process Proximity Compensation product line, an optical proximity correction (“OPC”) suite of tools, in exchange for $11.5 million in cash.

The acquisition was accounted for as a business combination, and Silvaco recorded the assets acquired and liabilities assumed based on their estimated fair values at the date of the acquisition. Silvaco recorded the excess of consideration transferred over the aggregate fair values of acquired assets and assumed liabilities as goodwill. The goodwill recorded was primarily attributable to synergies expected to arise after the acquisition and the value of the acquired workforce, and is expected to be deductible for U.S. income tax purposes. The Company expects that the addition of the OPC suite of tools and expert team, which are complementary to Silvaco’s EDA and TCAD suite, will enhance Silvaco’s ability to offer advanced computational lithography solutions that address the increasing complexity of semiconductor manufacturing at advanced nodes.

The following is a summary of the assets acquired and liabilities assumed in the OPC acquisition.


Asset Type	Weighted Average Amortization Period (Years)	Fair Value
		(in thousands)
Contract asset		$	615
Developed Technology	7	1,000
Customer Relationships	6	4,990
Goodwill		5,311
Deferred revenue		(416)
Net assets acquired and liabilities assumed		$	11,500

The fair value of developed technology was determined using a discounted cash flow model through application of the income approach, using the relief-from-royalty method, which assumed a market-based royalty rate applied to projected revenue. The fair value of customer relationships was determined using a discounted cash flow model under the income approach, specifically the multi-period excess earnings method, which discounts future cash flows attributable to existing customers, net of operating expenses and contributory asset charges.

During the three months ended March 31, 2025, the Company incurred $0.7 million in acquisition-related expenses, recognized as general and administrative expense on the condensed consolidated statements of (loss) income.

The operating results of OPC have been included in the Company's condensed consolidated financial statements since the date of acquisition and were not material for the period presented. Pro forma results of operations have not been presented because the effects of this acquisition were not material to the Company's condensed consolidated financial results.

Stock-Based Compensation - Narrative (Details) $ in Thousands		3 Months Ended
	Mar. 18, 2024 requirement shares	Mar. 31, 2025 USD ($) shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock reserved for future issuance (in shares) \| shares		4,084,852
Stock-based compensation expense \| $		$ 2,277
Unrecognized stock-based compensation expense \| $		$ 18,100
Unrecognized stock-based compensation expense, period for recognition (in years)		2 years 8 months 12 days
Restricted Stock Units (RSUs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares reserved (in shares) \| shares	4,600,000
Number of vesting requirements \| requirement	2
Award vesting period (in years)		4 years
Requisite service period (in years)		4 years
Grants in period if bonus was finalized (in shares) \| shares		663,581
Stock-based compensation expense \| $		$ 100
Restricted Stock Units (RSUs) - Liquidity-Event Based
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expiration period (in years)	10 years
Restricted Stock Units (RSUs) - Time-Based
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award vesting period (in years)	4 years
Restricted Stock Units (RSUs) - Time-Based \| Share-Based Payment Arrangement, Tranche One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award vesting period (in years)	1 year
Award vesting rights (in percent)	25.00%
Restricted Stock Units (RSUs) - Time-Based \| Share-Based Payment Arrangement, Tranche Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award vesting period (in years)	3 years

Revenue (Details) $ in Millions	3 Months Ended
Revenue (Details) $ in Millions	Mar. 31, 2025 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 33.7
Contract with customer, liability, revenue recognized	$ 2.5
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation (in percent)	45.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	12 months

Summary of Significant Accounting and Reporting Policies - Schedules of Concentration of Risk, by Risk Factor (Details) - Customer Concentration Risk	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Customer A \| Accounts Receivable
Accounting Policies [Line Items]
Concentration risk, percentage (in percent)	19.00%
Customer B \| Accounts Receivable
Accounting Policies [Line Items]
Concentration risk, percentage (in percent)	13.00%
Customer C \| Accounts Receivable
Accounting Policies [Line Items]
Concentration risk, percentage (in percent)	12.00%
Customer D \| Accounts Receivable
Accounting Policies [Line Items]
Concentration risk, percentage (in percent)			21.00%
Customer E \| Accounts Receivable
Accounting Policies [Line Items]
Concentration risk, percentage (in percent)			15.00%
Customer F \| Revenue Benchmark
Accounting Policies [Line Items]
Concentration risk, percentage (in percent)	12.00%
Customer G \| Revenue Benchmark
Accounting Policies [Line Items]
Concentration risk, percentage (in percent)		11.00%

Cover - shares	3 Months Ended
Cover - shares	Mar. 31, 2025	May 05, 2025
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2025
Document Transition Report	false
Entity File Number	001-42043
Entity Registrant Name	Silvaco Group, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	27-1503712
Entity Address, Address Line One	4701 Patrick Henry Drive
Entity Address, Address Line Two	Building #23
Entity Address, City or Town	Santa Clara
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95054
City Area Code	408
Local Phone Number	567-1000
Title of 12(b) Security	Common Stock, par value $0.0001 per share
Trading Symbol	SVCO
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		29,385,444
Document Fiscal Year Focus	2025
Entity Central Index Key	0001943289
Amendment Flag	false
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--12-31

Acquisitions - Assets Acquired And Liabilities Assumed (Details) - USD ($) $ in Thousands	Mar. 04, 2025	Mar. 31, 2025	Dec. 31, 2024
Business Acquisition [Line Items]
Goodwill		$ 14,337	$ 9,026
Optical Proximity Correction Suite of Tools
Business Acquisition [Line Items]
Contract asset	$ 615
Goodwill	5,311
Deferred revenue	(416)
Net assets acquired and liabilities assumed	$ 11,500
Optical Proximity Correction Suite of Tools \| Developed technology
Business Acquisition [Line Items]
Weighted Average Amortization Period (Years)	7 years
Finite-lived intangible assets	$ 1,000
Optical Proximity Correction Suite of Tools \| Customer relationships
Business Acquisition [Line Items]
Weighted Average Amortization Period (Years)	6 years
Finite-lived intangible assets	$ 4,990

Summary of Significant Accounting and Reporting Policies

3 Months Ended

Mar. 31, 2025

Accounting Policies [Abstract]

Summary of Significant Accounting and Reporting Policies

Basis of presentation and consolidation

The accompanying condensed consolidated financial statements have been prepared in accordance with U.S. Generally Accepted Accounting Principles ("GAAP") and include the accounts of Silvaco and all of the Company's wholly owned subsidiaries with operations in North America, Europe, Asia and South America. All intercompany transactions and balances have been eliminated upon consolidation.

The condensed consolidated financial statements as of March 31, 2025 and for the three months ended March 31, 2025 and 2024 are unaudited. Certain information and footnote disclosures normally included in annual financial statements prepared in accordance with GAAP have been omitted from these condensed consolidated financial statements, as permitted by Securities and Exchange Commission (“SEC”) rules and regulations. Accordingly, these condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements for the year ended December 31, 2024 and the related notes thereto included in the Company’s Annual Report on Form 10-K filed with the SEC on March 5, 2025. The condensed consolidated balance sheet as of December 31, 2024 was derived from the audited consolidated financial statements as of that date. In management’s opinion, the condensed consolidated financial statements have been prepared on the same basis as the annual financial statements and reflect all adjustments, which include only normal recurring adjustments necessary for the fair statement of the condensed consolidated financial statements.

The results of operations for the three months ended March 31, 2025 are not necessarily indicative of the Company’s operating results to be expected for the full fiscal year or any other future interim or annual period.

Emerging growth company status

The Company is an emerging growth company as defined in the Jumpstart Our Business Startups Act of 2012 (the “JOBS Act”). Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act, until such time as those standards apply to private companies. The Company has elected to use this extended transition period for complying with new or revised accounting standards that have different effective dates for public and private companies until the earlier of the date that the Company (i) is no longer an emerging growth company or (ii) affirmatively and irrevocably opts out of the extended transition period provided in the JOBS Act.

Use of estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements. Estimates also affect the amounts of revenue and expenses during the reported periods. The Company’s most significant estimates relate to revenue recognition. Other estimates include, but are not limited to, accounts receivable allowances, stock-based compensation expense, valuation of goodwill and other intangible assets, contingent consideration, derivative valuations, uncertain tax positions, legal contingencies and income taxes. Actual results could differ from those estimates.

Concentrations of credit risk

Accounts receivable from customers representing 10% or more of the Company’s total accounts receivable were as follows:


	March 31,	December 31,
	2025	2024
Customer A	19%	*
Customer B	13%	*
Customer C	12%	*
Customer D	*	21%
Customer E	*	15%

* Customer accounted for less than 10% of total accounts receivable at period end.

Revenue from customers representing 10% or more of the Company’s total revenue was as follows:


	Three Months Ended March 31,
	2025	2024
Customer F	12%	*
Customer G	*	11%

* Customer accounted for less than 10% of total revenue during the period.

In addition to the concentration of credit risk with respect to trade receivables and revenue, the Company's cash on deposit with financial institutions is also exposed to concentration risk. The Company's cash on deposit with financial institutions is insured through various public and private bank deposit insurance programs, foreign and domestic; however, a significant portion of cash balances held as of March 31, 2025 and December 31, 2024 exceeded insured limits.

As of March 31, 2025, $4.1 million, or 14%, of the Company’s cash and cash equivalents was maintained with one financial institution, where the Company’s current deposits are in excess of federally insured limits, and $6.2 million, or 21%, was held by the Company’s foreign subsidiaries.

Accumulated other comprehensive loss

Accumulated other comprehensive loss is composed of foreign currency translation adjustments and unrealized gains and losses on marketable securities.

Foreign currencies

The financial statements of Silvaco's international subsidiaries with local functional currencies are translated to U.S. dollars upon consolidation. Assets and liabilities are translated at the effective exchange rate on the balance sheet date. Results of operations are translated at average exchange rates, which approximate rates in effect when the underlying transactions occur. The Company recorded foreign currency translation adjustments of $0.3 million and $(0.2) million for the three months ended March 31, 2025 and 2024, respectively, within accumulated other comprehensive loss.

Certain of the Company’s sales and intercompany transactions are denominated in foreign currencies. These transactions are recorded in functional currency at the appropriate exchange rate on the transaction date. Monetary assets and liabilities denominated in a currency other than the Company's functional currency or its subsidiaries' functional currencies are remeasured at the effective exchange rate on the balance sheet date. Gains and losses resulting from foreign exchange transactions are included in interest and other expense, net in the Company’s condensed consolidated statements of (loss) income. The Company recorded net foreign exchange transaction losses of $0.2 million and $0.1 million for the three months ended March 31, 2025 and 2024, respectively.

Net (loss) income per share

Basic net (loss) income per share is computed based on the weighted average number of shares of common stock outstanding. Diluted net (loss) income per share is computed based on the weighted average number of common shares outstanding increased by dilutive common stock equivalents attributable to RSU grants.

The following outstanding securities were excluded from the computation of diluted net (loss) income per share because (i) the effect would be anti-dilutive for the three months ended March 31, 2025, and (ii) the securities were contingent upon conditions for issuance which were not satisfied as of March 31, 2024. See Note 8, Stock-based Compensation for additional information.


	March 31,
	2025	2024
RSU Grants	1,474,294	4,302,178

Accounting guidance issued and not yet adopted

In December 2023, the FASB issued ASU No. 2023-09, Income Taxes (Topic 740): Improvement to Income Tax Disclosures to enhance the transparency and decision usefulness of income tax disclosures. This ASU is effective for annual periods beginning after December 15, 2024, on a prospective basis. Early adoption is permitted. The Company is currently evaluating the impact of this accounting standard update on the condensed consolidated financial statements.

In November 2024, the FASB issued ASU No. 2024-03, Income Statement – Reporting Comprehensive Income – Expense Disaggregation Disclosures (Topic 220): Disaggregation of Income Statement Expenses. This ASU requires additional disclosure of certain amounts included in the expense captions presented on the statements of (loss) income as well as disclosures about selling expenses. This ASU is effective on a prospective basis, with the option for retrospective application, for annual periods beginning after December 15, 2026 and interim reporting periods beginning after December 15, 2027. Early adoption is permitted. The Company is currently evaluating the impact of this accounting standard update on the condensed consolidated financial statements.

Stock-Based Compensation - Schedule of Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity (Details) - Restricted Stock Units (RSUs) - $ / shares	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Grant Date Fair Value
Beginning balance (in dollars per share)	$ 12.75
Granted (in dollars per share)	6.22
Vested (in dollars per share)	10.95
Forfeited / canceled (in dollars per share)	12.42
Ending balance (in dollars per share)	$ 12.43	$ 12.75
Remaining Contract Term (in years)
Outstanding, beginning and ending balance (in years)	8 years 9 months 29 days	8 years 9 months 29 days
Granted (in years)	9 years 11 months 1 day
Vested (in years)	8 years 9 months 25 days
Forfeited / canceled (in years)	8 years 3 months 25 days
Number of Awards
Beginning balance (in shares)	1,503,662
Granted (in shares)	321,846
Vested (in shares)	(332,444)
Forfeited / canceled (in shares)	(18,770)
Ending balance (in shares)	1,474,294	1,503,662

Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2025

Segment Reporting [Abstract]

Schedule of Reconciliation of Operating Profit (Loss) from Segments to Consolidated

The following table presents a summary of revenue, payroll expenses, which the CODM reviews in assessing Company performance and deciding how to allocate resources, and total other expenses as a reconciliation to consolidated net (loss) income for the three months ended March 31, 2025 and 2024.


	March 31,
	2025		2024
	(in thousands)
Total revenue	$	14,092	$	15,889
Expenses
Payroll expenses	14,532		9,338
All other expenses, net	18,833		5,173
Total expenses	33,365		14,511
Net (loss) income	$	(19,273)	$	1,378

Acquisitions - Narrative (Details) - USD ($) $ in Millions		3 Months Ended
Acquisitions - Narrative (Details) - USD ($) $ in Millions	Mar. 04, 2025	Mar. 31, 2025	Mar. 31, 2024
Business Acquisition [Line Items]
Cash payments to acquire business		$ 11.5	$ 0.0
Optical Proximity Correction Suite of Tools
Business Acquisition [Line Items]
Cash payments to acquire business	$ 11.5
Acquisition-related expenses		$ 0.7

Goodwill and Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Jan. 01, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 11,789		$ 5,889
Accumulated Amortization	(1,792)		(1,520)
Total net carrying value of intangible assets	$ 9,997		$ 4,369
Developed technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	6 years		5 years
Gross Carrying Value	$ 1,800		$ 800
Accumulated Amortization	(718)		(666)
Total net carrying value of intangible assets	$ 1,082		$ 134
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	6 years		5 years
Gross Carrying Value	$ 4,990	$ 100	$ 90
Accumulated Amortization	(61)		(90)
Total net carrying value of intangible assets	$ 4,929		$ 0
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	5 years		5 years
Gross Carrying Value	$ 20		$ 20
Accumulated Amortization	(18)		(17)
Total net carrying value of intangible assets	$ 2		$ 3
Licensed IP
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	5 years		5 years
Gross Carrying Value	$ 4,979		$ 4,979
Accumulated Amortization	(995)		(747)
Total net carrying value of intangible assets	$ 3,984		$ 4,232

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details

Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2025

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Liabilities Measured on Recurring Basis

The following tables present the Company's financial assets and liabilities that are measured at estimated fair value on a recurring basis as of March 31, 2025 and December 31, 2024:


	Fair value measurements as of March 31, 2025
	(in thousands)
	Carrying value		Level 1		Level 2		Level 3
Financial assets:
Cash equivalents:
Money market funds	19,927		19,927		—		—
Total	19,927		19,927		—		—
Available-for-sale marketable securities:
U.S. treasury securities	13,430		—		13,430		—
U.S. government agencies securities	31,618		—		31,618		—
Total	45,048		—		45,048		—
Total	$	64,975	$	19,927	$	45,048	$	—

	Fair value measurements as of December 31, 2024
	(in thousands)
	Carrying value		Level 1		Level 2		Level 3
Financial assets:
Cash equivalents:
Money market funds	13,144		13,144		—		—
Total	13,144		13,144		—		—
Available-for-sale marketable securities:
U.S. treasury securities	27,237		—		27,237		—
U.S. government agencies securities	40,619		—		40,619		—
Total	67,856		—		67,856		—
Total	$	81,000	$	13,144	$	67,856	$	—
Liabilities:
Contingent consideration	11		—		—		11
Total	$	11	$	—	$	—	$	11

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2025	Dec. 31, 2024
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, authorized (in shares)	10,000,000	10,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, authorized (in shares)	500,000,000	500,000,000
Common stock, issued (in shares)	28,805,280	28,526,615
Common stock, outstanding (in shares)	28,805,280	28,526,615

Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

During the three months ended March 31, 2025, the Company acquired OPC, which resulted in an increase to goodwill of $5.3 million. Refer to Note 4, Acquisitions, for further information.

As of March 31, 2025 and December 31, 2024, intangible assets were classified as follows:


		March 31, 2025
Intangible assets:	Weighted Average Amortization Period (in years)	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
		(in thousands)
Developed technology	6	$	1,800	$	(718)	$	1,082
Customer relationships	6	4,990		(61)		4,929
Non-compete agreements	5	20		(18)		2
Licensed IP	5	4,979		(995)		3,984
Total intangible assets		$	11,789	$	(1,792)	$	9,997


		December 31, 2024
Intangible assets:	Weighted Average Amortization Period (in years)	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
		(in thousands)
Developed technology	5	$	800	$	(666)	$	134
Customer relationships	5	90		(90)		—
Non-compete agreements	5	20		(17)		3
Licensed IP	5	4,979		(747)		4,232
Total intangible assets		$	5,889	$	(1,520)	$	4,369

Amortization expense for intangible assets was $0.4 million during the three months ended March 31, 2025, of which $0.2 million was recognized in cost of revenue as the licensed IP relates to recognized sales, with the remainder recognized in research and development expense in the Company’s condensed consolidated statements of (loss) income. Amortization expense for intangible assets was $0.1 million during the three months ended March 31, 2024, all of which was recognized in research and development expense in the Company’s condensed consolidated statements of (loss) income.

As of January 1, 2025, the Company removed the carrying value of $0.1 million of fully amortized intangible assets which at time of removal had $0 net book value.

As of March 31, 2025, estimated future amortization expense for the intangible assets reflected above was as follows:


Year Ending December 31,
	Amount
	(in thousands)
Remainder of 2025	$	1,573
2026	1,970
2027	1,970
2028	1,970
2029	1,223
Thereafter	1,291
Total net carrying value of intangible assets	$	9,997

Stock-Based Compensation - Schedule of Share-Based Payment Arrangement, Expensed and Capitalized, Amount (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($)
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 2,277
Cost of revenue
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	199
Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	244
Sales and marketing
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	323
General and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 1,511

Subsequent Events (Details) - USD ($) $ in Thousands	Apr. 25, 2025	Dec. 31, 2024
Subsequent Event [Line Items]
Contingent consideration		$ 11
Tech-X Corporation \| Subsequent Event
Subsequent Event [Line Items]
Amount payable in cash for stock purchase	$ 5,000
Contingent consideration	$ 2,000

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Mar. 31, 2025
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (19,273)	$ 1,378
Other comprehensive income (loss):
Foreign currency translation adjustments	276	(185)
Unrealized loss on marketable securities	(70)	0
Comprehensive (loss) income	$ (19,067)	$ 1,193

- Definition

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

+ References + Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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+ Details

Related Parties (Details) $ in Thousands	3 Months Ended
Related Parties (Details) $ in Thousands	Mar. 31, 2025 USD ($) segment	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)	Jun. 13, 2022 USD ($)	May 01, 2022
Related Party Transaction [Line Items]
Operating lease right-of-use assets, net	$ 1,534		$ 1,711
Related Party \| 2022 Credit Line \| Line of Credit
Related Party Transaction [Line Items]
Line of credit facility, maximum borrowing capacity				$ 4,000
Interest expense, debt		$ 100
Related Party \| Kipee
Related Party Transaction [Line Items]
Rent expense	100	100
Operating lease, term of contract (in years)					3 years
Related Party \| New Horizons (Cambridge) LTD and New Horizons France
Related Party Transaction [Line Items]
Rent expense	$ 100	$ 100
Number of international office leases \| segment	2
Related Party \| New Horizons (Cambridge) LTD
Related Party Transaction [Line Items]
Operating lease right-of-use assets, net	$ 900
Operating lease liability	900
Related Party \| New Horizons France
Related Party Transaction [Line Items]
Operating lease right-of-use assets, net	100
Operating lease liability	$ 100

Summary of Significant Accounting and Reporting Policies (Tables)

3 Months Ended

Mar. 31, 2025

Accounting Policies [Abstract]

Schedules of Concentration of Risk, by Risk Factor

Accounts receivable from customers representing 10% or more of the Company’s total accounts receivable were as follows:


	March 31,	December 31,
	2025	2024
Customer A	19%	*
Customer B	13%	*
Customer C	12%	*
Customer D	*	21%
Customer E	*	15%

* Customer accounted for less than 10% of total accounts receivable at period end.

Revenue from customers representing 10% or more of the Company’s total revenue was as follows:


	Three Months Ended March 31,
	2025	2024
Customer F	12%	*
Customer G	*	11%

* Customer accounted for less than 10% of total revenue during the period.

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share


	March 31,
	2025	2024
RSU Grants	1,474,294	4,302,178

Revenue	3 Months Ended
Revenue	Mar. 31, 2025
Revenue from Contract with Customer [Abstract]
Revenue	Revenue The Company's revenue is derived principally from contracts which promise to deliver combinations of software licensing and related maintenance and services, which are accounted for as separate performance obligations with differing revenue recognition patterns. The transaction price is allocated to each distinct performance obligation based on the relative standalone selling price. Software license revenue consists of the Company’s software sold under a software license and is generally recognized upon shipment and delivery of license keys. Maintenance and service revenue consists of both maintenance revenues, which is recognized ratably over the term of the arrangement, and professional services revenues which is recognized based on when the Company delivers the related service pursuant to the terms of the arrangement. Customer contracts The Company accounts for a contract with a customer when both parties have approved the contract and are committed to perform their respective obligations, each party’s rights and payment terms can be identified, the contract has commercial substance, and it is probable the Company will collect substantially all of the consideration it is entitled to. Revenue is recognized when, or as, performance obligations are satisfied by transferring control of a promised software or providing service to a customer. For multi-year software licenses, the Company generally invoices customers annually at the beginning of each annual coverage period. Transaction price allocated to the remaining performance obligations As of March 31, 2025, approximately $33.7 million of revenue is expected to be recognized from remaining performance obligations. Revenue allocated to remaining performance obligations represents contracted revenue that has not yet been recognized, which includes both deferred revenue and backlog. The Company's backlog represents installment billings for periods beyond the current billing cycle. The Company expects to recognize revenue on approximately 45% of these remaining performance obligations over the next 12 months, with the remaining balance recognized thereafter. Deferred revenue Deferred revenue is comprised mainly of unearned revenue related to maintenance and service on software licenses and pending software license deliveries. Deferred revenue also includes contracts for professional services to be performed in the future. During the three months ended March 31, 2025, the Company recognized revenue of $2.5 million that was included in the total deferred revenue balance as of December 31, 2024. All other activity in deferred revenue is due to the timing of invoices in relation to the timing of revenue recognized during the three months ended March 31, 2025, as described above.

- Definition

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-9

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org/606/tableOfContent

+ Details

Debt and Financing Obligations (Tables)

3 Months Ended

Mar. 31, 2025

Debt Disclosure [Abstract]

Schedule of Contractual Obligation, Fiscal Year Maturity

The Company’s vendor financing obligation is comprised of the following payments as of March 31, 2025:


For the year ending December 31,	Amount
	(in thousands)
Remainder of 2025	$	1,200
2026	1,200
2027	1,200
2028	1,200
Total undiscounted cash flows	$	4,800
Less: Imputed interest	614
Present value of vendor financing obligation	$	4,186
Vendor financing obligation, current	1,191
Vendor financing obligation, non-current	$	2,995

Acquisitions (Tables)

3 Months Ended

Mar. 31, 2025

Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following is a summary of the assets acquired and liabilities assumed in the OPC acquisition.


Asset Type	Weighted Average Amortization Period (Years)	Fair Value
		(in thousands)
Contract asset		$	615
Developed Technology	7	1,000
Customer Relationships	6	4,990
Goodwill		5,311
Deferred revenue		(416)
Net assets acquired and liabilities assumed		$	11,500

Related Parties	3 Months Ended
Related Parties	Mar. 31, 2025
Related Party Transactions [Abstract]
Related Parties	Related Parties The Company has a commercial lease agreement with Kipee International, Inc., a related party controlled by Katherine Ngai-Pesic, who is the Company's founding principal stockholder and chairperson of the Board of Directors, for Silvaco's corporate office in Santa Clara, California. In connection with this lease arrangement, the Company recorded rent expense of $0.1 million during each of the three months ended March 31, 2025 and 2024. The Company's original three year commercial office lease for this property commenced on May 1, 2022, and expired on April 30, 2025. The Company and Kipee International entered into a new commercial lease agreement, effective as of May 1, 2025, for a three year period ending on April 30, 2028. The Company has two international office leases with New Horizons (Cambridge) LTD (“NHC”) and New Horizons France (“NHF”) in Cambridgeshire, England and Grenoble, France, respectively. NHC and NHF are real estate entities owned and controlled by Ms. Ngai-Pesic. In connection with these lease arrangements, the Company recorded rent expense of $0.1 million during each of the three months ended March 31, 2025 and 2024. The Company's right-of-use asset and operating lease liability under the NHC lease, which expires on December 31, 2029, is $0.9 million as of March 31, 2025. The Company's right-of-use asset and operating lease liability under the NHF lease, which expires on April 30, 2026, is $0.1 million as of March 31, 2025. On June 13, 2022, Silvaco entered into a $4.0 million line of credit with Ms. Ngai-Pesic (the “2022 Credit Line”). In connection with this line of credit, the Company recorded interest expense of $0.1 million during the three months ended March 31, 2024. The outstanding amounts due under the 2022 Credit Line were repaid in full and the 2022 Credit Line was terminated in May 2024.

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Goodwill and Intangible Assets - Schedule of Finite-Lived Intangible Assets, Future Amortization Expense (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Remainder of 2025	$ 1,573
2026	1,970
2027	1,970
2028	1,970
2029	1,223
Thereafter	1,291
Total net carrying value of intangible assets	$ 9,997	$ 4,369

Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Financial assets:
Total	$ 19,927	$ 13,144
Available-for-sale marketable securities:	45,048	67,856
Total	64,975	81,000
Liabilities:
Contingent consideration		11
Total		11
U.S. treasury securities
Financial assets:
Available-for-sale marketable securities:	13,430	27,237
U.S. government agencies securities
Financial assets:
Available-for-sale marketable securities:	31,618	40,619
Money market funds
Financial assets:
Total	19,927	13,144
Level 1
Financial assets:
Total	19,927	13,144
Available-for-sale marketable securities:	0	0
Total	19,927	13,144
Liabilities:
Contingent consideration		0
Total		0
Level 1 \| U.S. treasury securities
Financial assets:
Available-for-sale marketable securities:	0	0
Level 1 \| U.S. government agencies securities
Financial assets:
Available-for-sale marketable securities:	0	0
Level 1 \| Money market funds
Financial assets:
Total	19,927	13,144
Level 2
Financial assets:
Total	0	0
Available-for-sale marketable securities:	45,048	67,856
Total	45,048	67,856
Liabilities:
Contingent consideration		0
Total		0
Level 2 \| U.S. treasury securities
Financial assets:
Available-for-sale marketable securities:	13,430	27,237
Level 2 \| U.S. government agencies securities
Financial assets:
Available-for-sale marketable securities:	31,618	40,619
Level 2 \| Money market funds
Financial assets:
Total	0	0
Level 3
Financial assets:
Total	0	0
Available-for-sale marketable securities:	0	0
Total	0	0
Liabilities:
Contingent consideration		11
Total		11
Level 3 \| U.S. treasury securities
Financial assets:
Available-for-sale marketable securities:	0	0
Level 3 \| U.S. government agencies securities
Financial assets:
Available-for-sale marketable securities:	0	0
Level 3 \| Money market funds
Financial assets:
Total	$ 0	$ 0

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2023		20,000,000
Beginning balance at Dec. 31, 2023	$ 9,402	$ 2	$ 0	$ 11,392	$ (1,992)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)	(185)				(185)
Net (loss) income	1,378			1,378
Ending balance (in shares) at Mar. 31, 2024		20,000,000
Ending balance at Mar. 31, 2024	$ 10,595	$ 2	0	12,770	(2,177)
Beginning balance (in shares) at Dec. 31, 2024	28,526,615	28,526,615
Beginning balance at Dec. 31, 2024	$ 100,083	$ 3	130,360	(28,012)	(2,268)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for share-based award plans (in shares)		332,444
Tax withholding on restricted stock unit settlements (in shares)		(53,779)
Tax withholding on restricted stock unit settlements	(253)		(253)
Stock-based compensation expense	2,830		2,830
Other comprehensive income (loss)	206				206
Net (loss) income	$ (19,273)			(19,273)
Ending balance (in shares) at Mar. 31, 2025	28,805,280	28,805,280
Ending balance at Mar. 31, 2025	$ 83,593	$ 3	$ 132,937	$ (47,285)	$ (2,062)

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

+ Details

- Definition

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

+ References

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+ Details

Commitments and Contingencies	3 Months Ended
Commitments and Contingencies	Mar. 31, 2025
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Warranties The Company typically provides its customers a warranty on its software licenses for a period of no more than 90 days and on its other tools for a period of no more than one year. Such warranties are accounted for in accordance with the authoritative guidance issued by the FASB on contingencies. For the three months ended March 31, 2025, and 2024, the Company has not incurred any costs related to warranty obligations. Indemnification Under the terms of substantially all of its license agreements, the Company has agreed to indemnify its customers for costs and damages arising from claims against such customers based on, among other things, allegations that the Company’s software infringes the intellectual property rights of a third party. In most cases, in the event of an infringement claim, the Company retains the right to (i) procure for the customer the right to continue using the software; (ii) replace or modify the software to eliminate the infringement while providing substantially equivalent functionality; or (iii) if neither (i) nor (ii) can be reasonably achieved, the Company may terminate the license agreement and refund to the customer a pro-rata portion of the license fee paid to the Company. Such indemnification provisions are accounted for in accordance with the authoritative guidance issued by the FASB on guarantees. From time to time, in the ordinary course of business, the Company receives claims for indemnification. Contingencies In December 2020, the Company sought declaratory relief in the California Superior Court to clarify its obligations regarding the earnout payments due to the selling shareholders of Nangate, Inc. (“Nangate”) following its acquisition by the Company in 2018. In February 2021, two of the selling shareholders of Nangate, along with a third cross-complainant (collectively, the “Nangate Parties”) filed a cross-complaint against the Company, as well as one current and one former member of the Company’s board of directors (the “Co-Defendants”). The cross-complaint alleged breach of contract, fraud, and negligent misrepresentation among other causes of action. In January 2022, the Nangate Parties filed a third amended cross-complaint against the Company, as well as one current and one former member of the Company’s board of directors, seeking $20.0 million in damages for breach of contract, fraud, and unfair business practices, as well as punitive damages. On July 23, 2024, a jury awarded the Nangate Parties $11.3 million in damages under breach of contract related claims, including breach of contract and breach of the covenant of good faith and fair dealing, and court and litigation related costs and certain expert expenses subject to the Nangate Parties establishing the legal right to them and to be determined by the court (the “Contract Damages”). As a result, during the year ended December 31, 2024, the Company recorded a charge to estimated litigation claim and accrued expenses and other current liabilities of $11.3 million for the Contract Damages awarded to the Nangate Parties. The jury also found the Company and the Co-Defendants liable for certain of the fraudulent and negligent misrepresentation claims and awarded the Nangate Parties $6.6 million. Incremental punitive damages relating to these claims, including $17.0 million payable by the Company and a total of $16.0 million to be paid by the Co-Defendants, were awarded following a hearing on August 16, 2024 (collectively, the “Fraud Damages”). The Nangate Parties have the option to choose either the Contract Damages or the Fraud Damages, but in no circumstances will the Nangate Parties receive both remedies. The parties have reached preliminary agreement on key terms of a potential settlement, subject to negotiation and execution of a settlement agreement. The Company estimates its probable loss to be $24.4 million, which resulted in an additional charge recorded to estimated litigation claim and accrued expenses and other current liabilities of $13.1 million for the three months ended March 31, 2025. The Company can give no assurance that a settlement will be finalized. If a settlement is not finalized, the Company and the Co-Defendants can appeal the judgement, which will require the Company to collateralize and post an appellate bond of up to $35.4 million. The Company believes it has strong grounds for appeal and is pursuing post-trial motions. Additionally, the Company believes that there are strong arguments in support of substantially reducing the punitive damages portion of the Fraud Damages, which the Company believes are excessive under California Law, and the United States and California constitutions, particularly given the disproportionate nature of the punitive damages relative to the compensatory damages. The Company is subject export control and import laws and regulations of the United States and other applicable jurisdictions, including the Export Administration Regulations. Between August 2019 and June 2022, the Company filed voluntary self-disclosures with U.S. Department of Commerce, Bureau of Industry and Security (“BIS”) regarding potential violations of U.S. export control laws and regulations, specifically, the export of the Company’s licenses to certain parties designated on BIS’s Entity List and Unverified List, and the export of certain software modules without a license which was required at the time of the transaction. Such software modules were declassified by BIS in October 2020 to a lesser controlled export classification, meaning that such software generally no longer requires an export license. In April 2025, BIS issued a warning letter in response to the voluntary self-disclosures instead of pursuing criminal or administrative penalties or taking other enforcement action. However, as is common in these instances, BIS reserved the right to take future enforcement action should additional information warrant renewed attention. The Company is also involved in routine legal proceedings in the ordinary course of business. Unless disclosed above, the outcome of such matters is not expected to have a material adverse effect on the Company’s consolidated financial position, results of operations, or liquidity. However, each of these matters is subject to various uncertainties and it is possible that an unfavorable resolution of one or more of these proceedings could materially affect the Company's results of operations, cash flows or financial position.

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 29,489	$ 19,606
Current marketable securities	45,048	63,071
Accounts receivable, net	5,783	9,211
Contract assets, net	15,102	11,932
Prepaid expenses and other current assets	4,500	3,460
Total current assets	99,922	107,280
Non-current assets:
Non-current marketable securities	0	4,785
Property and equipment, net	890	865
Operating lease right-of-use assets, net	1,534	1,711
Intangible assets, net	9,997	4,369
Goodwill	14,337	9,026
Non-current portion of contract assets	9,860	12,611
Other assets	1,595	1,698
Total non-current assets	38,213	35,065
Total assets	138,135	142,345
Current liabilities:
Accounts payable	2,137	3,316
Accrued expenses and other current liabilities	32,426	19,801
Accrued income taxes	1,728	1,668
Deferred revenue, current	8,618	7,497
Operating lease liabilities, current	644	744
Vendor financing obligation, current	1,191	1,462
Total current liabilities	46,744	34,488
Non-current liabilities:
Deferred revenue, non-current	3,604	3,593
Operating lease liabilities, non-current	866	946
Vendor financing obligation, non-current	2,995	2,928
Other non-current liabilities	333	307
Total liabilities	54,542	42,262
Commitments and contingencies (Note 11)
Stockholders' equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized, no shares issued and outstanding as of March 31, 2025 and December 31, 2024	0	0
Common stock, $0.0001 par value; 500,000,000 shares authorized; 28,805,280 and 28,526,615 shares issued and outstanding as of March 31, 2025 and December 31, 2024, respectively	3	3
Additional paid-in capital	132,937	130,360
Accumulated deficit	(47,285)	(28,012)
Accumulated other comprehensive loss	(2,062)	(2,268)
Total stockholders' equity	83,593	100,083
Total liabilities and stockholders' equity	$ 138,135	$ 142,345

Summary of Significant Accounting and Reporting Policies - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Accounting Policies [Line Items]
Cash and cash equivalents	$ 29,489		$ 19,606
Foreign currency translation adjustments	276	$ (185)
Net foreign exchange losses	200	$ 100
Cash and Cash Equivalents \| Financial Institution Risk \| Foreign Subsidiaries
Accounting Policies [Line Items]
Cash and cash equivalents	$ 6,200
Concentration risk, percentage (in percent)	21.00%
Cash and Cash Equivalents \| Financial Institution Risk \| One Financial Institution
Accounting Policies [Line Items]
Cash and cash equivalents	$ 4,100
Concentration risk, percentage (in percent)	14.00%

Segment Reporting - Narrative (Details)	3 Months Ended
Segment Reporting - Narrative (Details)	Mar. 31, 2025 segment
Segment Reporting [Abstract]
Number of reportable segments	1
Number of operating segments	1

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net (loss) income	$ (19,273)	$ 1,378
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:
Depreciation and amortization	438	120
Stock-based compensation expense	2,277	0
Provision for credit losses	10	222
Estimated litigation claim	13,069	0
Accretion of discount on marketable securities, net	(261)	0
Change in fair value of contingent consideration	35	(8)
Changes in operating assets and liabilities:
Accounts receivable	3,520	(1,844)
Contract assets	440	(3,679)
Prepaid expenses and other current assets	(1,026)	788
Other assets	119	(274)
Accounts payable	(1,183)	877
Accrued expenses and other current liabilities	55	(729)
Accrued income taxes	58	574
Deferred revenue	567	(21)
Other non-current liabilities	20	24
Net cash used in operating activities	(1,135)	(2,572)
Cash flows from investing activities:
Maturities of marketable securities	23,000	0
Acquisition of Process Proximity Compensation	(11,500)	0
Purchases of property and equipment	(96)	(10)
Net cash provided by (used in) investing activities	11,404	(10)
Cash flows from financing activities:
Proceeds from loan facility	0	4,250
Deferred transaction costs	0	(364)
Payroll taxes related to shares withheld from employees	(252)	0
Contingent consideration	(46)	(13)
Payments of vendor financing obligation	(205)	0
Net cash (used in) provided by financing activities	(503)	3,873
Effect of exchange rate fluctuations on cash and cash equivalents	117	27
Net increase in cash and cash equivalents	9,883	1,318
Cash and cash equivalents, beginning of period	19,606	4,421
Cash and cash equivalents, end of period	$ 29,489	$ 5,739

Commitments and Contingencies (Details) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended
	Aug. 16, 2024	Jul. 23, 2024	Jan. 31, 2022	Mar. 31, 2025	Mar. 31, 2024
Loss Contingencies [Line Items]
Estimated litigation claim				$ 13,069	$ 0
Nangate Parties Cross-Complaint
Loss Contingencies [Line Items]
Damages sought			$ 20,000
Damages awarded		$ 11,300
Estimated probable loss				24,400
Estimated litigation claim				13,100
Loss contingency, collateralized appellate bond				$ 35,400
Nangate Parties Cross-Complaint \| Fraud Damages, Excluding Punitive Damages
Loss Contingencies [Line Items]
Damages awarded		$ 6,600
Nangate Parties Cross-Complaint \| Punitive Damages \| Silvaco Group, Inc.
Loss Contingencies [Line Items]
Damages awarded	$ 17,000
Nangate Parties Cross-Complaint \| Punitive Damages \| Co-Defendants
Loss Contingencies [Line Items]
Damages awarded	$ 16,000
Software Licenses
Loss Contingencies [Line Items]
Standard product warranty, term				90 days
Other Tools
Loss Contingencies [Line Items]
Standard product warranty, term				1 year

Goodwill and Intangible Assets - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Jan. 01, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Goodwill, period increase (decrease)	$ 5,300,000
Amortization expense for intangible assets	400,000	$ 100,000
Gross Carrying Value	11,789,000			$ 5,889,000
Net Carrying Value	9,997,000			4,369,000
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	4,990,000		$ 100,000	90,000
Net Carrying Value	4,929,000			$ 0
Depreciated Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Net Carrying Value			$ 0
Cost of revenue
Finite-Lived Intangible Assets [Line Items]
Amortization expense for intangible assets	$ 200,000

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details

Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2025

Share-Based Payment Arrangement [Abstract]

Schedule of Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity

The following table summarizes the Company's RSU activity pursuant to the 2014 Plan and the 2024 Plan for the three months ended March 31, 2025:


	Weighted Average			Number of Awards
	Grant Date Fair Value		Remaining Contract Term (in years)
Balance as of December 31, 2024	$	12.75	8.83	1,503,662
Granted	6.22		9.92	321,846
Vested	10.95		8.82	(332,444)
Forfeited / canceled	12.42		8.32	(18,770)
Balance as of March 31, 2025	$	12.43	8.83	1,474,294

Schedule of Share-Based Payment Arrangement, Expensed and Capitalized, Amount

The following table summarizes stock-based compensation expense by function for the three months ended March 31, 2025:


	Three Months Ended March 31, 2025
	(in thousands)
Cost of revenue	$	199
Research and development	244
Sales and marketing	323
General and administrative	1,511
	$	2,277

Segment Reporting

3 Months Ended

Mar. 31, 2025

Segment Reporting [Abstract]

Segment Reporting

The Company manages its operations through an evaluation of a consolidated business segment that solves semiconductor design challenges by offering affordable and competitive TCAD software, EDA software and design IP to support engineers and researchers across the globe. The chief operating decision maker (‘CODM”), who is the Company’s Chief Executive Officer, Dr. Babak A. Taheri, reviews financial information presented on a consolidated basis for purposes of allocating resources and evaluating financial performance. As such, the Company’s operations constitute a single operating segment and one reportable segment.


	March 31,
	2025		2024
	(in thousands)
Total revenue	$	14,092	$	15,889
Expenses
Payroll expenses	14,532		9,338
All other expenses, net	18,833		5,173
Total expenses	33,365		14,511
Net (loss) income	$	(19,273)	$	1,378

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

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+ Details

Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2025
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes During the three months ended March 31, 2025 and 2024, the Company recorded an income tax provision of $0.2 million and $0.8 million, respectively. The effective tax rate for the three months ended March 31, 2025 and 2024 was (1)% and 37%, respectively. The Company determines its income tax provision for interim periods using an estimate of its annual effective tax rate adjusted for discrete items occurring during the periods presented. The primary difference between its effective tax rate and the federal statutory rate is attributable to state income taxes, foreign income taxes, the effect of certain permanent differences, and a full valuation allowance against net deferred tax assets. The Company files U.S. federal income tax returns, as well as income tax returns in various state jurisdictions and certain foreign jurisdictions. The Company is not currently under audit by the Internal Revenue Service or other similar state, local, and foreign authorities. All tax years remain open to examination by major taxing jurisdictions to which the Company is subject for a period of three years for federal and four years for states, after the utilization of net operating losses and credits.

- Definition

The entire disclosure for income tax.

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+ Details

CONDENSED CONSOLIDATED STATEMENTS OF (LOSS) INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Gross profit
Total revenue	$ 14,092	$ 15,889
Cost of revenue	3,016	1,973
Gross profit	11,076	13,916
Operating expenses:
Research and development	4,800	3,616
Selling and marketing	4,719	3,312
General and administrative	8,120	4,600
Estimated litigation claim	13,069	0
Total operating expenses	30,708	11,528
Operating (loss) income	(19,632)	2,388
Interest income	863	0
Interest and other expense, net	(291)	(205)
(Loss) income before income tax provision	(19,060)	2,183
Income tax provision	213	805
Net (loss) income	$ (19,273)	$ 1,378
Net (loss) income per share:
Basic (in dollars per share)	$ (0.67)	$ 0.07
Diluted (in dollars per share)	$ (0.67)	$ 0.07
Weighted average shares used in computing per share amounts:
Basic (in shares)	28,694,295	20,000,000
Diluted (in shares)	28,694,295	20,000,000
Software license revenue
Gross profit
Total revenue	$ 10,009	$ 12,258
Maintenance and service
Gross profit
Total revenue	$ 4,083	$ 3,631

Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 31, 2024
Income Tax Disclosure [Abstract]
Income tax provision	$ 213	$ 805
Effective income tax rate reconciliation (in percent)	(1.00%)	37.00%

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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+ Details

Description of Business	3 Months Ended
Description of Business	Mar. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of Business	Description of Business Silvaco Group, Inc. (“Silvaco,” and the “Company” refers to Silvaco Group Inc. and its subsidiaries, unless the context specifically requires otherwise) was incorporated as a Delaware corporation on November 18, 2009. The Company is a provider of technology computer aided design (“TCAD”) software, electronic data automation (“EDA”) software and semiconductor intellectual property (“SIP”). TCAD, EDA and SIP solutions enable semiconductor and photonics companies to increase productivity, accelerate their products’ time-to-market and reduce their development and manufacturing costs. The Company has decades of expertise developing the “technology behind the chip” and providing solutions that span from atoms to systems, starting with providing software for the atomic level simulation of semiconductor and photonics material for devices, to providing software and SIP for the design and analysis of circuits and system level solutions. The Company provides SIP for system-on-a-chip (“SoC”), integrated circuits (“ICs”) and SIP management tools to enable team collaborations on complex SoC designs. The Company’s customers include semiconductor manufacturers, original equipment manufacturers (“OEMs”) and design teams who deploy the Company’s solutions in production flows across the Company’s target markets, including display, power devices, automotive, memory, high performance computing (“HPC”), internet of things (“IoT”) and 5G/6G mobile markets.

Summary of Significant Accounting and Reporting Policies (Policies)

3 Months Ended

Mar. 31, 2025

Accounting Policies [Abstract]

Basis of presentation and consolidation

Use of estimates

Concentrations of credit risk

Accounts receivable from customers representing 10% or more of the Company’s total accounts receivable were as follows:


	March 31,	December 31,
	2025	2024
Customer A	19%	*
Customer B	13%	*
Customer C	12%	*
Customer D	*	21%
Customer E	*	15%

* Customer accounted for less than 10% of total accounts receivable at period end.

Revenue from customers representing 10% or more of the Company’s total revenue was as follows:


	Three Months Ended March 31,
	2025	2024
Customer F	12%	*
Customer G	*	11%

* Customer accounted for less than 10% of total revenue during the period.

Accumulated other comprehensive loss

Accumulated other comprehensive loss is composed of foreign currency translation adjustments and unrealized gains and losses on marketable securities.

Foreign currencies

Net (loss) income per share

Accounting guidance issued and not yet adopted

Customer contracts

The Company accounts for a contract with a customer when both parties have approved the contract and are committed to perform their respective obligations, each party’s rights and payment terms can be identified, the contract has commercial substance, and it is probable the Company will collect substantially all of the consideration it is entitled to. Revenue is recognized when, or as, performance obligations are satisfied by transferring control of a promised software or providing service to a customer.

For multi-year software licenses, the Company generally invoices customers annually at the beginning of each annual coverage period.

- Definition

Disclosure of accounting policy for revenue from contract with customer.

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Debt and Financing Obligations

3 Months Ended

Mar. 31, 2025

Debt Disclosure [Abstract]

Debt and Financing Obligations

In December 2023, the Company entered into a loan facility with East West Bank (the “East West Bank Loan”) which had a maturity date of December 14, 2025 and provided for borrowings of up to $5.0 million bearing interest at a per annum rate equal to one half of one percent (0.5%) above the greater of (i) the prime rate or (ii) four and one half percent (4.5%). The Company drew $4.3 million and recorded interest expense of $0.1 million on the East West Bank Loan during the three months ended March 31, 2024. In May 2024, the $4.3 million was repaid in full and the East West Bank Loan was terminated.

On April 11, 2024, the Company amended its license to use, perform, display, copy, reproduce, modify, adapt, alter, customize, translate or otherwise create derivative works based on certain technology of NXP Semiconductors Netherlands B.V. to develop and make licensed designs for the Company’s account, and to market, demonstrate, promote, sell, offer to sell, distribute and otherwise dispose of such licensed designs for total cash consideration of $6.0 million, to be paid over 5 years, pursuant to which the Company recorded an associated vendor financing obligation, which has a balance of $4.2 million as of March 31, 2025. The Company determined that this vendor financing obligation had an imputed interest rate of 9%, which is reflective of its borrowing rate with similar terms to that of the license agreement, and recognized interest expense of $0.1 million for the three months ended March 31, 2025. The Company’s vendor financing obligation is comprised of the following payments as of March 31, 2025:


For the year ending December 31,	Amount
	(in thousands)
Remainder of 2025	$	1,200
2026	1,200
2027	1,200
2028	1,200
Total undiscounted cash flows	$	4,800
Less: Imputed interest	614
Present value of vendor financing obligation	$	4,186
Vendor financing obligation, current	1,191
Vendor financing obligation, non-current	$	2,995

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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+ Details

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 31, 2024
Pay vs Performance Disclosure
Net (loss) income	$ (19,273)	$ 1,378

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

+ Details

Segment Reporting - Schedule of Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting, Asset Reconciling Item [Line Items]
Total revenue	$ 14,092	$ 15,889
Net (loss) income	(19,273)	1,378
Reportable Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total revenue	14,092	15,889
Payroll expenses	14,532	9,338
All other expenses, net	18,833	5,173
Total expenses	33,365	14,511
Net (loss) income	$ (19,273)	$ 1,378

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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