Antigen
PrivateLast Round
Seed
Oct 1, 2025
Company Overview
Antigen operates in Cybersecurity and is based in San Francisco, California. Its latest recorded funding round was a Seed round in October 2025.
Antigen is a cybersecurity company that provides continuous offensive security services for enterprises through automated testing and human red team assessments.
Sector
Cybersecurity
Verticals
Vulnerability Management, Application Security, Threat Intelligence, Cloud Security
Business Model
B2B
Customer Profile
Subscription SaaS
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Antigen Comparables
Compare Antigen with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| MindFort | 90% | |
| Hadrian | 84% | |
| Horizon3.ai | 82% |
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Antigen Funding Rounds
Historical fundraising activity
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Antigen Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| DST Global | Seed |
| Lightspeed Venture Partners | Seed |
| Susa Ventures | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Oct 1, 2025
Raised capital from Lightspeed Venture Partners, Susa Ventures, and DST Global.
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Antigen Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about Antigen's valuation, stock price, and market status.
Is Antigen a public or private company?
Antigen is a private company.
What is the current stock price of Antigen?
Antigen is a private company, so its shares have no public market price. Caplight tracks Antigen's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Antigen worth (valuation)?
Valuation information for Antigen is not publicly available.
Can I buy Antigen stock?
Antigen shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Antigen's last funding round?
Antigen's most recent funding round was Seed on October 1, 2025.
Who are the main investors in Antigen?
Key investors in Antigen include DST Global, Lightspeed Venture Partners, Susa Ventures.
Will Antigen IPO soon?
No public IPO plans have been announced for Antigen.
How can I track Antigen secondary market activity?
Caplight tracks bids, offers, and trades in Antigen's shares on secondary markets.