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 |
|---|---|---|---|---|
| ZeroframeAI Pushing the boundaries of AI | OtherAI infrastructure or platform | Y CombinatorF24 | Inactive | checked 2026-08-17 |
| Interlock We are still in stealth mode. | OtherStealth mode AI company | Y CombinatorW23 | Inactive | checked 2026-08-23 |
| Avion School We teach Filipinos to become remote software engineers globally. | Othercoding bootcamp for remote work | Y CombinatorW21 | Inactive | checked 2026-08-23 |
| Encepheal Therapeutics EncepHeal develops medications to treat substance abuse, starting… | OtherPharmaceutical therapeutics for substance abuse | Y CombinatorS19 | Inactive | checked 2026-08-17 |
| Necto ISP starter kit | OtherISP infrastructure toolkit | Y CombinatorW18 | Inactive | checked 2026-08-23 |
| Pathrise YC for your career | OtherCareer coaching and job search | Y CombinatorS17 | Inactive | checked 2026-08-17 |
| boxouse portable, affordable, beautiful smart homes | Othermodular sustainable housing | Y CombinatorW17 | Inactive | checked 2026-08-23 |
| No Lean Season A bus ticket out of poverty | Otherseasonal labor mobility subsidy program | Y CombinatorW17 | Inactive | - |
| 3dot | Otherinnovation consulting and product development | Y CombinatorW15 | Inactive | checked 2026-08-17 |
| Opzi Q&A for businesses. | OtherEnterprise knowledge management platform | Y CombinatorS10 | Inactive | checked 2026-08-17 |
| Job Alchemist | Otherdomain name marketplace | Y CombinatorS08 | Inactive | 2026-08-23 |
| Simmery | OtherDomain marketplace | Y CombinatorS05 | Inactive | 2026-08-23 |