Cohorts of 2015
Companies whose accelerator cohort started in 2015. 757 companies.
clusterConsumer 145B2B SaaS 99Commerce and marketplaces 76Fintech 48Healthcare and bio 37Developer tools 36Robotics and physical world 27Other 24Security and compliance 20Climate and energy 15Vertical AI agents 11Data for AI 10AI infra and compute 8Agent infrastructure 4Horizontal AI assistants 4Defense and space 2
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Appcanary Appcanary tracks the dependencies you use in your apps and servers… | Security and compliancedependency vulnerability monitoring | Y CombinatorS15 | Acquired | checked 2026-08-23 |
| Cymmetria Shifting the asymmetry of cyber security. | Security and compliancedeception technology for threat detection | Y CombinatorS15 | Acquired | checked 2026-08-17 |
| Foxpass Making enterprise security practices available for all companies. | Security and complianceIdentity and access management | Y CombinatorS15 | Acquired | 2026-08-23 |
| Sphere Secure Workspace Sphere Pty Ltd | Security and compliancesecure collaboration workspace | Y CombinatorS15 | Acquired | checked 2026-08-23 |
| CyberFendAI Cyberfend delivers robust, real-time web and mobile security by… | Security and complianceFraud and account takeover detection | Y CombinatorW15 | Acquired | 2026-08-23 |
| SmyteAI Smyte stops bad actors on social networks and marketplaces. | Security and compliancefraud detection for marketplaces | Y CombinatorW15 | Acquired | checked 2026-08-23 |