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 |
|---|---|---|---|---|
| Inkling Prediction Markets - Inkling | B2B SaaSCollective intelligence and decision-making platform | Y CombinatorW06 | Acquired | checked 2026-08-23 |
| Project Wedding | Consumerwedding planning and vendor marketplace | Y CombinatorW06 | Acquired | checked 2026-08-17 |
| Wufoo Online form builder. | B2B SaaSOnline form builder for data collection | Y CombinatorW06 | Acquired | checked 2026-08-23 |
| Clickfacts | Security and compliancemalware detection for online advertising | Y CombinatorS05 | Acquired | 2026-08-23 |
| Kiko We're the best online calendar solution to ever exist. Period. | B2B SaaSOnline calendar and scheduling | Y CombinatorS05 | Acquired | 2026-08-23 |
| Loopt | Consumerlocation-based social discovery | Y CombinatorS05 | Acquired | checked 2026-08-17 |
| Parakey Wayne Long | 706-366-8000 | Columbus GA Homes for Sale | Developer toolsWeb-based OS platform | Y CombinatorS05 | Acquired | checked 2026-08-23 |
| Reddit The frontpage of the internet. | Consumersocial media community platform | Y CombinatorS05 | Acquired | checked 2026-08-25 |
| TextPayMe | FintechSMS-based mobile payments | Y CombinatorS05 | Acquired | 2026-08-23 |