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 |
|---|---|---|---|---|
| Weave Customer communication and payments platform. | B2B SaaSCustomer communication and payment platform | Y CombinatorW14 | Public company | checked 2026-08-23 |
| Amplitude Digital Analytics Platform | B2B SaaSproduct analytics and CDP platform | Y CombinatorW12 | Public company | checked 2026-08-23 |
| PagerDuty Real-time visibility into critical apps and services all in one place. | B2B SaaSIncident management and on-call operations | Y CombinatorS10 | Public company | checked 2026-08-23 |
| Dropbox Backup and share files in the cloud. | B2B SaaSCloud file storage and sync | Y CombinatorS07 | Public company | checked 2026-08-23 |