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FOSSA

FOSSA

Private
San Francisco, CaliforniaCybersecurityhttps://fossa.com

Last Round

Series B

Oct 15, 2020

Est. Valuation

$100M

Total Funding Raised

$33.9M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

FOSSA operates in Cybersecurity and is based in San Francisco, California. Its latest recorded funding round was a Series B round in October 2020.

FOSSA is a software company that provides a platform to help enterprises manage open-source license compliance and vulnerabilities.

Sector

Cybersecurity

Verticals

Application Security, Vulnerability Management, Compliance & Risk, DevOps & Containers

Business Model

B2B

Customer Profile

Subscription SaaS, Freemium

AI Layer

Application

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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FOSSA Comparables

Compare FOSSA with similar companies based on industry and business-model similarity.

FOSSA comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Anchore
86%
Phylum
82%
Socket
81%
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FOSSA Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BOct 15, 2020
Series ASep 16, 2019
SeedFeb 23, 2017
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Key People

Founding team and executive leadership

Aaron Williams

CEO

Executive Team

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FOSSA Investors

Notable investors and investment history

FOSSA investors
InvestorRounds
Bain Capital VenturesSeries B, Seed, Series A
Norwest Venture PartnersSeries A
Costanoa VenturesSeries B, Series A
Canvas PrimeSeries B
Canvas VenturesSeries B

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jun 24, 2026

    Recognized by Built In for 2024, 2025, and 2026.

  • Mar 5, 2026

    Named 'Best Startup to Work For' by Forbes in 2022.

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Recent news

Latest coverage and updates

  • receives_awardOct 6, 2026

    FOSSA, Inc. was awarded the "Rising Star" honor in the Fall '26 Software Composition Analysis Software Customer Success Report.

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FOSSA Filings

Explore SEC and related filing metadata, where available.

FOSSA filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about FOSSA's valuation, stock price, and market status.

Is FOSSA a public or private company?

FOSSA is a private company.

What is the current stock price of FOSSA?

FOSSA is a private company, so its shares have no public market price. Caplight tracks FOSSA's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is FOSSA worth (valuation)?

FOSSA's valuation is estimated at $100.0M based on funding round data.

Can I buy FOSSA stock?

FOSSA shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was FOSSA's last funding round?

FOSSA's most recent funding round was Series B on October 15, 2020.

Who are the main investors in FOSSA?

Key investors in FOSSA include Bain Capital Ventures, Costanoa Ventures.

Will FOSSA IPO soon?

No public IPO plans have been announced for FOSSA.

How can I track FOSSA secondary market activity?

Caplight tracks bids, offers, and trades in FOSSA's shares on secondary markets.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range61
Year Founded2015
Last FundingOct 15, 2020

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

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