Patronus AI
Builds simulated digital environments to evaluate and stress-test AI agents
$50MSeries B
Role not disclosedGP
Greenfield Partners
Activity from announced rounds
Activity in this selectionUnited States · Oct 23, 2026 · Jan 1, 2026
- Rounds participated in
- 3
- Confirmed lead rounds
- — 3 roles undisclosed
- New companies
- 3 First participation on record · 0 follow-on
- Funding in participating rounds
- $390M 3 disclosed · full round size, not this investor’s share