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 |
|---|---|---|---|---|
| Cloudstitch Power your website with Google Spreadsheets.Acquired by Instabase… | Developer toolsSpreadsheet-backed web development platform | Y CombinatorS15 | Acquired | checked 2026-08-24 |
| Convox Open-source tools for deploying, managing, and monitoring cloud… | Developer toolsCloud deployment and infrastructure management | Y CombinatorS15 | Acquired | checked 2026-08-23 |
| Mimir A platform for STEM courses featuring automated grading, plagiarism… | Developer toolsautomated grading for CS education | Y CombinatorS15 | Acquired | checked 2026-08-17 |
| SourceDNA Bringing transparency to the app stores and helping developers build… | Developer toolsapp code analysis and transparency | Y CombinatorS15 | Acquired | checked 2026-08-17 |