Horizon3.ai
PrivateLast Round
Series E
Aug 3, 2026
Est. Valuation
$2B
Total Funding Raised
$432M
Momentum
Top 25%
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, Threat Intelligence
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.
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 (NEA) | 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.
- Apr 20, 2026
Job posting indicates an office in San Francisco for collaboration.
- Apr 20, 2026
New office operationalized in Chicago.
Horizon3.ai Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Frequently Asked Questions
Common questions about Horizon3.ai's valuation, stock price, and market status.