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 |
|---|---|---|---|---|
| Scale AIAI Data-centric infrastructure to accelerate the development of AI | Data for AIData labeling and RLHF infrastructure | Y CombinatorS16 | Active | checked 2026-08-23 |
| Quilt Data Quilt manages data like code so that companies can experiment faster | Data for AIdata versioning and cataloging | Y CombinatorW16 | Active, new domain | 2026-08-23 |
| Zenysis Building powerful data analysis software for developing countries. | Data for AIGovernment data integration and analytics | Y CombinatorW16 | Active | checked 2026-08-23 |