Gray Swan
PrivateLast Round
Series A
May 28, 2026
Est. Valuation
$200M
Total Funding Raised
$45.5M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Gray Swan operates in Cybersecurity and is based in Pittsburgh, Pennsylvania. Its latest recorded funding round was a Series A round in May 2026.
Gray Swan is an AI security company that provides automated adversarial testing, continuous red teaming, and runtime security for enterprises and AI labs.
Sector
Cybersecurity
Verticals
Application Security, Vulnerability Management, Threat Intelligence, Cloud Security
Business Model
B2B
Customer Profile
Subscription SaaS, Services & Consulting, Freemium
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Gray Swan Comparables
Compare Gray Swan with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| HiddenLayer | 85% | |
| Lasso Security | 83% | |
| Mindgard | 82% |
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Gray Swan Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | May 28, 2026 | ||||
| Seed | Oct 29, 2024 |
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Key People
Founding team and executive leadership
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Gray Swan Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Snowflake Ventures | Series A |
| Obvious Ventures | Series A |
| Samsung Next TLV | Series A |
| Wing Venture Capital | Series A |
| Juniper Ventures | Seed |
| Madrona Venture Group | Series A |
| Hudson River Trading | Series A |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 18, 2026
Grew 33% QoQ from 66 to 88 employees.
- Jul 15, 2026
Grew 56% QoQ, from 52 to 81 employees.
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Recent news
Latest coverage and updates
- partners_withOct 20, 2026
Gray Swan closely partners with National Institute of Standards and Technology to anonymously test AI models and ultimately improve AI safety in Pennsylvania on Oct 20th '26.
- launchesOct 20, 2026
Gray Swan launches the original red-team Arena, a platform with sandbox environments for safely testing AI models, in Sep '24.
- launchesOct 20, 2026
Gray Swan launches enhancements to the Arena, its global adversarial testing and red-teaming platform, making it easier for experienced security researchers and first-time AI red teamers to test the limits of advanced AI models in Pennsylvania on Oct 20th '26.
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Gray Swan Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Gray Swan's valuation, stock price, and market status.
Is Gray Swan a public or private company?
Gray Swan is a private company.
What is the current stock price of Gray Swan?
Gray Swan is a private company, so its shares have no public market price. Caplight tracks Gray Swan's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Gray Swan worth (valuation)?
Gray Swan's valuation is estimated at $200.0M based on funding round data.
Can I buy Gray Swan stock?
Gray Swan shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Gray Swan's last funding round?
Gray Swan's most recent funding round was Series A on May 28, 2026.
Who are the main investors in Gray Swan?
Key investors in Gray Swan include Wing Venture Capital, Madrona Venture Group.
Will Gray Swan IPO soon?
No public IPO plans have been announced for Gray Swan.
How can I track Gray Swan secondary market activity?
Caplight tracks bids, offers, and trades in Gray Swan's shares on secondary markets.