HiddenLayer
PrivateLast Round
Series B
Sep 2, 2026
Total Funding Raised
$159.05M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
HiddenLayer operates in Cybersecurity and is based in Austin, Texas. Its latest recorded funding round was a Series B round in September 2026.
HiddenLayer is a cybersecurity company that provides a security platform to protect artificial intelligence models and assets from adversarial attacks and vulnerabilities.
Sector
Cybersecurity
Verticals
Application Security, Data Protection, Threat Intelligence, Compliance & Risk, Vulnerability Management
Business Model
B2B
Customer Profile
Subscription SaaS, Services & Consulting, Government Contracts
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
HiddenLayer Comparables
Compare HiddenLayer with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Cranium | 86% | |
| Cisco Systems | 84% | |
| Mindgard | 83% |
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HiddenLayer Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Sep 2, 2026 | ||||
| Grant | Apr 9, 2024 | ||||
| Grant | Oct 24, 2023 | ||||
| Series A | Sep 19, 2023 | ||||
| Seed | Jul 19, 2022 |
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Key People
Founding team and executive leadership
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HiddenLayer Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| IBM Ventures | Series A |
| M12 - Microsoft's Venture Fund | Series B, Series A |
| Moore Strategic Ventures | Series A |
| Morgan Stanley | Series B |
| Ten Eleven Ventures | Series A, Series B, Seed |
| Booz Allen Ventures | Series A, Series B |
| Capital One Ventures | Series A |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 2, 2026
$100M round led by Delta-v Capital.
- Mar 23, 2026
Launched Agentic Runtime Security capabilities for autonomous AI.
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Recent news
Latest coverage and updates
- signs_new_clientSep 6, 2026
HiddenLayer, Inc. is selected for Missile Defense Agency's SHIELD contract in Jan '26, a program focused on air-gapped deployments.
- identified_as_competitor_ofSep 4, 2026
HiddenLayer, Inc. competes with Robust Intelligence, Inc. in the rapidly consolidating AI security market, alongside specialists and broader platforms focused on model security, runtime guardrails, and supply chain integrity.
- identified_as_competitor_ofSep 4, 2026
HiddenLayer, Inc. competes with Lakera in the rapidly consolidating AI security category, alongside specialists and broader platforms focused on model security, runtime guardrails, and supply chain integrity.
- identified_as_competitor_ofSep 4, 2026
HiddenLayer, Inc. competes with Protect AI, Inc. in the AI security market across model security, runtime guardrails, and supply chain integrity.
- launchesSep 3, 2026
HiddenLayer, Inc.'s $100M round accompanies the release of Gemini 3.8 Flash Cyber, a specialized model focused on vulnerability detection and automated code remediation for enterprise security.
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HiddenLayer 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 HiddenLayer's valuation, stock price, and market status.
Is HiddenLayer a public or private company?
HiddenLayer is a private company.
What is the current stock price of HiddenLayer?
HiddenLayer is a private company, so its shares have no public market price. Caplight tracks HiddenLayer's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is HiddenLayer worth (valuation)?
Valuation information for HiddenLayer is not publicly available.
Can I buy HiddenLayer stock?
HiddenLayer shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was HiddenLayer's last funding round?
HiddenLayer's most recent funding round was Series B on September 2, 2026.
Who are the main investors in HiddenLayer?
Key investors in HiddenLayer include M12 - Microsoft's Venture Fund, Moore Strategic Ventures, Ten Eleven Ventures, Delta-v Capital.
Will HiddenLayer IPO soon?
No public IPO plans have been announced for HiddenLayer.
How can I track HiddenLayer secondary market activity?
Caplight tracks bids, offers, and trades in HiddenLayer's shares on secondary markets.