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 |
|---|---|---|---|---|
| Bannerman Security Guard Company Marketplace | B2B SaaSSecurity services marketplace | Y CombinatorS14 | Inactive | checked 2026-08-23 |
| Naytev Naytev automates paid and organic social media management in one place | B2B SaaSSocial media marketing automation | Y CombinatorS14 | Inactive | checked 2026-08-23 |
| Roost Web push notifications. | B2B SaaSWeb push notification platform | Y CombinatorS14 | Inactive | checked 2026-08-17 |
| SalesSiftAI Intelligent Lead Sourcing | B2B SaaSAI-powered lead sourcing for sales | Y CombinatorS14 | Inactive | checked 2026-08-17 |
| Think Gaming We provide market data on the mobile games business to developers,… | B2B SaaSmobile gaming market intelligence | Y CombinatorS14 | Inactive | checked 2026-08-17 |
| AirPair Instant access to the world's best software experts via video chat… | B2B SaaSExpert marketplace for software development | Y CombinatorW14 | Inactive | checked 2026-08-17 |
| Threadable Mailing lists 2.0. Threadable makes group email less noisy and more… | B2B SaaSEmail management and mailing lists | Y CombinatorW14 | Inactive | checked 2026-08-17 |