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 |
|---|---|---|---|---|
| Canopi API to measure and eliminate carbon emissions | Climate and energyCarbon emissions measurement API | Y CombinatorS21 | Inactive | checked 2026-08-17 |
| Heimdal Affordable and verified direct air carbon capture and storage | Climate and energydirect air carbon capture and storage | Y CombinatorS21 | Inactive | checked 2026-08-17 |
| SolarMente Home electrification at $0 upfront cost | Climate and energyresidential solar financing | Y CombinatorS21 | Inactive | checked 2026-08-17 |
| Moxion Power Co. Mobile Energy Storage Technology | Climate and energyMobile energy storage for last-mile electrification | Y CombinatorW21 | Inactive | 2026-08-23 |
| Noya Radically reducing capital costs and build time for direct air capture | Climate and energydirect air capture equipment retrofit | Y CombinatorW21 | Inactive | checked 2026-08-17 |