Cohorts of 2021
Companies whose accelerator cohort started in 2021. 1,685 companies.
clusterB2B SaaS 183Consumer 168Fintech 155Healthcare and bio 126Commerce and marketplaces 111Developer tools 68Climate and energy 66Vertical AI agents 66Robotics and physical world 59Security and compliance 34Other 28Data for AI 24Horizontal AI assistants 17Defense and space 15Agent infrastructure 13AI infra and compute 7
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Inflow A self-help app for people to manage their ADHD. | Healthcare and bioADHD self-help app | Y CombinatorS21 | Acquired | checked 2026-08-23 |
| Mable First personalized migraine clinic using genetics and telehealth. | Healthcare and bioPersonalized migraine care via genomics | Y CombinatorS21 | Acquired | 2026-08-23 |
| Verano Health Nonprofit telehealth coaches for underserved Americans on Medicaid | Healthcare and bioMedicaid telehealth coaching for chronic disease | Y CombinatorS21 | Acquired | checked 2026-08-17 |
| PipeBio PipeBio is a SaaS bioinformatics platform to develop antibody drugs. | Healthcare and bioBioinformatics for antibody drug development | Y CombinatorW21 | Acquired | 2026-08-23 |