Activity in this selectionOct 16, 2026 · Jul 19, 2026
- Rounds participated in
- 2
- Confirmed lead rounds
- 0
1 roles undisclosed- New companies
- 2
First participation on record · 0 follow-on- Funding in participating rounds
- $450M
2 disclosed · full round size, not this investor’s share
Rounds
2 in this selectionArenaArena evaluates AI models through comparisons and observations of how people use them in real tasks.
ParticipantHorizon3Runs autonomous AI-driven penetration testing to secure enterprise networks
Role not disclosed