Y Combinator companies
The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,197 companies.
clusterVertical AI agents 898Consumer 821B2B SaaS 787Fintech 633Developer tools 515Healthcare and bio 477Commerce and marketplaces 433Agent infrastructure 350Robotics and physical world 314Data for AI 192Security and compliance 189Horizontal AI assistants 152AI infra and compute 151Climate and energy 123Defense and space 85Other 44
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| jEugene jEugene highlights undefined terms and unused definitions in legal… | Security and compliancelegal compliance and definitions checking | Y CombinatorS15 | Inactive | checked 2026-08-17 |
| Traversal Networks Enterprise Threat Detection: Tuning, Triage, and Analysis by Experts. | Security and complianceNetwork intrusion detection and lateral threat analysis | Y CombinatorS15 | Inactive | checked 2026-08-17 |
| Rescue Forensics Actionable human trafficking intelligence | Security and complianceanti-trafficking digital forensics | Y CombinatorW15 | Inactive | 2026-08-23 |
| ThinAir Intelligent data security for teams | Security and complianceData security and access control | Y CombinatorW15 | Inactive | checked 2026-08-17 |