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 152AI infra and compute 152Climate and energy 123Defense and space 85Other 44
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Cloudstitch Power your website with Google Spreadsheets.Acquired by Instabase… | Developer toolsSpreadsheet-backed web development platform | Y CombinatorS15 | Acquired | checked 2026-08-24 |
| Convox Open-source tools for deploying, managing, and monitoring cloud… | Developer toolsCloud deployment and infrastructure management | Y CombinatorS15 | Acquired | checked 2026-08-23 |
| Mimir A platform for STEM courses featuring automated grading, plagiarism… | Developer toolsautomated grading for CS education | Y CombinatorS15 | Acquired | checked 2026-08-17 |
| SourceDNA Bringing transparency to the app stores and helping developers build… | Developer toolsapp code analysis and transparency | Y CombinatorS15 | Acquired | checked 2026-08-17 |