Key facts
- Horizon3.ai’s last known valuation is $660.0M (May 2025).
- It has raised $183.5M across 1 recorded rounds; the latest was Later Stage VC (Series D) ($100.0M) in May 2025.
- Notable investors include Qualcomm Ventures, New Enterprise Associates, 9Yards Capital, Craft Ventures, SignalFire — 13 tracked in total.
- Status: Privately Held (backing).
- ·Post-money valuations for all 1 rounds
- ·The complete investor list — 13 names
- ·Watchlist + deal alerts for Horizon3.ai
Funding rounds
1 roundsAbout Horizon3.ai
Developer of a security automation platform designed to perform autonomous penetration testing and operational security assessments. The company's platform offers production-safe testing across internal, external, cloud, and hybrid environments, enabling clients to find exploitable weaknesses, prioritize fixes based on impact, and verify remediation without requiring agents, custom code, or external consultants.
- Industry
- Network Management Software
- Sector
- Information Technology
- HQ
- Dover, DE, United States
- Founded
- 2019
- Employees
- 387
- Website
- horizon3.ai/
- Ownership
- Privately Held (backing)
Horizon3.ai doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Horizon3.ai shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Horizon3.ai in its N-PORT filings yet. We sweep new filings monthly.