Horizon3.ai
PrivateLast Round
Series E
Aug 3, 2026
Est. Valuation
$2B
Total Funding Raised
$432M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
Horizon3.ai is a cybersecurity company that provides an autonomous penetration testing platform designed to help organizations proactively identify, remediate, and verify exploitable attack vectors.
Sector
Cybersecurity
Verticals
Vulnerability Management, Application Security, Cloud Security, Zero Trust, Compliance & Risk
Business Model
B2B
Customer Profile
Subscription SaaS, Government Contracts
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Horizon3.ai Comparables
Compare Horizon3.ai with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Pentera | 91% | |
| XBOW | 84% | |
| Picus Security | 80% |
Horizon3.ai Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series E | Aug 3, 2026 | ||||
| Series D | Jun 10, 2025 | ||||
| Series C | Aug 8, 2023 | ||||
| Series B | Nov 2, 2021 | ||||
| Series A | Jun 8, 2021 | ||||
Seed | Jan 24, 2020 |
Horizon3.ai Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| NightDragon | Series E |
| Threshold Ventures | Series B |
| TechOperators | Series B, Series A |
| SAIC Ventures | Series E |
| New Enterprise Associates | Series D, Series E |
| Craft Ventures | Series D, Series E, Series C |
| Questa Capital | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 24, 2026
Grew 23% QoQ, from 446 to 548 employees.
- Aug 3, 2026
Named Fastest Growing Cybersecurity Company in North America by Deloitte.
Recent news
Latest coverage and updates
- integrates_withSep 17, 2026
Horizon3 integrated with CrowdStrike Inc. on Sep 17th '26.
- launchesAug 30, 2026
Horizon3 launched Asia-Pacific Sovereign Instance on Aug 31st '26.
- hiresAug 25, 2026
Horizon3 hired Chad Keefer as Vice President of Federal Sales on Aug 25th '26.
- launchesAug 23, 2026
Horizon3 launches rapid response test for NodeZero platform.
- identified_as_competitor_ofAug 3, 2026
Horizon3 identified as competitor of Xbow.
Horizon3.ai 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.
Request accessFrequently Asked Questions
Common questions about Horizon3.ai's valuation, stock price, and market status.
Is Horizon3.ai a public or private company?
Horizon3.ai is a private company.
What is the current stock price of Horizon3.ai?
Horizon3.ai is a private company, so its shares have no public market price. Caplight tracks Horizon3.ai's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Horizon3.ai worth (valuation)?
Horizon3.ai's valuation is estimated at $2.0B based on funding round data.
Can I buy Horizon3.ai stock?
Horizon3.ai shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Horizon3.ai's last funding round?
Horizon3.ai's most recent funding round was Series E on August 3, 2026.
Who are the main investors in Horizon3.ai?
Key investors in Horizon3.ai include NightDragon, New Enterprise Associates, Craft Ventures, SignalFire.
Will Horizon3.ai IPO soon?
No public IPO plans have been announced for Horizon3.ai.
How can I track Horizon3.ai secondary market activity?
Caplight tracks bids, offers, and trades in Horizon3.ai's shares on secondary markets.