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 |
|---|---|---|---|---|
| Expo Expo brings together the best of web and native app development | Developer toolsReact Native and cross-platform mobile development | Y CombinatorS16 | Active | checked 2026-08-23 |
| Luciq (formerly Instabug)AI Agentic Observability Platform for Mobile | Developer toolsAI observability for mobile apps | Y CombinatorW16 | Active | checked 2026-08-23 |
| Mux Video infrastructure for developers | Developer toolsVideo streaming infrastructure for developers | Y CombinatorW16 | Active | checked 2026-08-23 |
| Thunkable Thunkable is the no-code platform to build powerful native mobile apps | Developer toolsno-code mobile app builder | Y CombinatorW16 | Active | checked 2026-08-23 |