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 |
|---|---|---|---|---|
| Abatable Carbon markets platform and solutions | Climate and energyCarbon offset procurement platform | Y CombinatorS21 | Active | checked 2026-08-23 |
| BLUUMBIO We make bacteria and plants that clean up pollution. | Climate and energybiotech pollution remediation | Y CombinatorS21 | Active | checked 2026-08-23 |
| Carbonfact Decarbonizing the fashion industry | Climate and energyfashion supply chain carbon tracking | Y CombinatorS21 | Active | checked 2026-08-23 |
| Coulomb AIAI Battery Observability Platform for Electric Vehicles | Climate and energyAI battery management for EVs | Y CombinatorS21 | Active | checked 2026-08-23 |
| Enerjazz Making electric vehicle batteries affordable | Climate and energyEV battery swapping infrastructure | Y CombinatorS21 | Active | checked 2026-08-24 |
| HeyCharge Low-cost, high-scale EV charging platform for apartments (and more). | Climate and energyEV charging infrastructure for multifamily | Y CombinatorS21 | Active | checked 2026-08-23 |
| Phykos Growing seaweed to stabilize the climate. | Climate and energyseaweed-based carbon capture | Y CombinatorS21 | Site unreachable | checked 2026-08-17 |
| Planet A Foods Building the next generation food ingredient champion. | Climate and energysustainable food ingredients via fermentation | Y CombinatorS21 | Active | checked 2026-08-23 |
| Waterplan Water risk mitigation for industrial sites | Climate and energyWater risk assessment for industry | Y CombinatorS21 | Active | checked 2026-08-23 |
| Enode Energy Orchestration Platform | Climate and energyhome energy coordination and grid orchestration platform | Y CombinatorW21 | Active | checked 2026-08-23 |
| Gridware Protecting the grid today, preparing the grid for tomorrow | Climate and energyGrid monitoring and outage detection hardware | Y CombinatorW21 | Active | checked 2026-08-23 |
| Remora Carbon capture for vehicles | Climate and energycarbon capture from vehicle exhaust | Y CombinatorW21 | Active | checked 2026-08-23 |