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 |
|---|---|---|---|---|
| SleekAI Browser automation for businesses. | Vertical AI agentsAI agents for ecommerce automation | Y CombinatorS21 | Acquired | checked 2026-08-23 |
| unSurveyAI AI-led market research interviews, no scheduling, instant insights. | Vertical AI agentsAI market research automation | Y CombinatorW21 | Acquired | checked 2026-08-17 |