Horizon3.ai
PrivateLast Round
Corporate Funding
Oct 19, 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 | 87% | |
| Armadin | 85% | |
| Ridge Security Technology | 85% |
Horizon3.ai Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Corporate Funding | Oct 19, 2026 | ||||
| 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 |
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.
- Oct 19, 2026
Led by EDBI and SG Growth Capital.
- Aug 24, 2026
Grew 23% QoQ, from 446 to 548 employees.
Recent news
Latest coverage and updates
- integrates_withOct 28, 2026
On Oct 28th '26, Horizon3 announces the availability of a NodeZero integration with Palo Alto Networks's Cortex XSOAR on the Cortex Marketplace, bringing high- and critical-severity findings into Cortex XSOAR as incidents to prioritize remediation and retest issues after fixes.
- integrates_withOct 27, 2026
Horizon3 makes its NodeZero integration with Palo Alto Networks, Inc.'s Cortex XSOAR available on the Cortex Marketplace in California on Oct 27th '26, bringing exploitability findings into automated remediation and verification workflows.
- has_revenueOct 20, 2026
Horizon3 surpasses $100M in annual recurring revenue (ARR) in California on Oct 20th '26.
- expands_offices_inOct 18, 2026
Horizon3 expands in Singapore on Oct 19th '26, establishing its ASEAN headquarters and a Regional Centre of Excellence while increasing local headcount to scale sales, customer, and partner operations.
- expands_offices_toOct 18, 2026
Horizon3 plans to establish its ASEAN headquarters and a Regional Center of Excellence in Singapore, increase local headcount, and scale sales, customer-support, and partner operations as it expands across Southeast Asia.
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 Corporate Funding on October 19, 2026.
Who are the main investors in Horizon3.ai?
Key investors in Horizon3.ai include NightDragon, New Enterprise Associates, Craft Ventures, EDBI, 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.