Y Combinator companies
The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,198 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 153AI infra and compute 152Climate and energy 123Defense and space 85Other 44
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Browser BuddyAI A recommendation system for great Internet writing | ConsumerAI essay discovery and recommendations | Y CombinatorW24 | Acquired | checked 2026-08-17 |
| Soundry AIAI Remix any song into any style | ConsumerAI music remixing and style transfer | Y CombinatorW24 | Acquired | checked 2026-08-23 |