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 |
|---|---|---|---|---|
| Reble P2P Music Sharing | Consumerpeer-to-peer music sharing | Y CombinatorS07 | Inactive | checked 2026-08-17 |
| SocialPicks SocialPicks was a platform where stock investors could exchange… | Consumersocial investing platform | Y CombinatorS07 | Inactive | checked 2026-08-23 |
| Songkick Find the Best Concerts Near You, Tour Dates & Tickets Worldwide | Songkick | Consumerlive music discovery and ticketing | Y CombinatorS07 | Acquired | checked 2026-08-23 |
| Splashup | Consumeronline image editing | Y CombinatorS07 | Inactive | checked 2026-08-23 |
| Heysan Free messaging on mobile phones | Consumerfree mobile messaging platform | Y CombinatorW07 | Acquired | checked 2026-08-25 |
| Socialmoth | Consumeranonymous social community platform | Y CombinatorW07 | Inactive | checked 2026-08-17 |
| Tsumobi Messaging. | ConsumerMobile messaging platform | Y CombinatorW07 | Inactive | checked 2026-08-17 |
| Twitch A global community creating the future of live entertainment. | Consumerlive streaming platform for gamers | Y CombinatorW07 | Acquired | 2026-08-23 |
| Whitenoise | Consumersocial network for music industry | Y CombinatorW07 | Inactive | checked 2026-08-17 |
| Jamglue Jamglue: A Retrospective, 2006–2010 | Consumercommunity music mixing platform | Y CombinatorS06 | Inactive | checked 2026-08-23 |
| Jumpchat | Consumermulti-channel messaging platform | Y CombinatorS06 | Inactive | checked 2026-08-25 |
| Likebetter ElectricFox Domains | Consumerpersonality test gaming | Y CombinatorS06 | Inactive | checked 2026-08-23 |
| OMGPop An independent flash game studio. | Consumersocial gaming platform | Y CombinatorS06 | Acquired | checked 2026-08-17 |
| Pollground Online polls. | Consumersocial polling platform | Y CombinatorS06 | Inactive | checked 2026-08-25 |
| Scribd World's largest online library. | Consumerdigital content subscription library | Y CombinatorS06 | Active | checked 2026-08-23 |
| Shoutfit | Consumersocial network for fashion | Y CombinatorS06 | Inactive | checked 2026-08-25 |
| Flagr | Consumerlocation sharing and mapping | Y CombinatorW06 | Inactive | checked 2026-08-17 |
| Project Wedding | Consumerwedding planning and vendor marketplace | Y CombinatorW06 | Acquired | checked 2026-08-17 |
| Snipshot We sold Snipshot to Ansa in 2013. | Consumerbrowser-based photo editor | Y CombinatorW06 | Inactive | checked 2026-08-17 |
| Loopt | Consumerlocation-based social discovery | Y CombinatorS05 | Acquired | checked 2026-08-17 |
| Reddit The frontpage of the internet. | Consumersocial media community platform | Y CombinatorS05 | Acquired | checked 2026-08-25 |