Horizon3 raised a $250 million Series E to scale autonomous security validation as it reported rapid revenue growth and more than 7,000 customers.
- Amount
- $250M
- Stage
- Series E
- Announced
- 3 August 2026
- Leads
- NightDragon, NEA
- Other investors
- Acrew Capital, Blue Cloud Ventures, Demeter Group, EDBI, PSG, SAIC, Sapphire Ventures, Craft Ventures, Prosperity7 Ventures, Qualcomm Ventures
- Use of funds
- Scale go-to-market, expand internationally into Singapore and Australia and EMEA, and accelerate product innovation including autonomous blue-team agents.
- Valuation
- $2B
- Checked
- Amount and date matched across 2 press sources