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 |
|---|---|---|---|---|
| Comet Health Digital platform for pelvic floor physical therapy | Healthcare and biopelvic floor PT telemedicine | Y CombinatorS21 | Inactive | checked 2026-08-23 |
| Lobby Local onboarding for the $200B health tourism industry | Healthcare and bioHealth data collection for tourism clinics | Y CombinatorS21 | Inactive | checked 2026-08-17 |
| Ruta Health Async personalized and actionable health education by real doctors | Healthcare and bioPersonalized health education platform | Y CombinatorS21 | Inactive | checked 2026-08-17 |
| Ruth Health Telehealth hub for pregnant people 🧡 | Healthcare and biopostpartum pelvic floor telehealth | Y CombinatorS21 | Inactive | checked 2026-08-17 |
| V-Flow Medical Transforming the lives of millions of women suffering from chronic… | Healthcare and bioMedical devices for chronic pelvic pain | Y CombinatorS21 | Inactive | checked 2026-08-17 |
| BeWell DigitalAI Building the operating system for diagnosis. | Healthcare and bioAI-powered radiology diagnostics platform | Y CombinatorW21 | Inactive | checked 2026-08-17 |
| Forcyte Biotechnologies Discover drugs that control how much cells "squeeze" to treat disease | Healthcare and bioMechanobiology drug discovery platform | Y CombinatorW21 | Inactive | checked 2026-08-17 |
| Quadrant EyeAI Breaking new ground in online eyecare. | Healthcare and bioAI-powered remote eye exams | Y CombinatorW21 | Inactive | checked 2026-08-17 |