Cohorts of 2018
Companies whose accelerator cohort started in 2018. 1,034 companies.
clusterConsumer 117Healthcare and bio 86B2B SaaS 74Fintech 69Robotics and physical world 54Commerce and marketplaces 51Developer tools 35Vertical AI agents 30Security and compliance 28Climate and energy 21Other 19Data for AI 10Agent infrastructure 10AI infra and compute 9Horizontal AI assistants 9Defense and space 5
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Rain Neuromorphics We build artificial intelligence processors inspired by the brain. | AI infra and computeNeuromorphic AI processor hardware | Y CombinatorS18 | Acquired | checked 2026-08-17 |