MarkosWebWeb intelligence for the agentic economy

Cohorts of 2011

Companies whose accelerator cohort started in 2011. 256 companies.

clusterConsumer 81B2B SaaS 55Developer tools 25Commerce and marketplaces 23Fintech 9Healthcare and bio 6Security and compliance 6Data for AI 5AI infra and compute 4Vertical AI agents 2Horizontal AI assistants 1Other 1Robotics and physical world 1
sourceY Combinator 105500 Global 90Techstars 57Seedcamp 3SOSV 1
statusAcquired 151Active 64Inactive 37
CompanyClusterProgramStatusLast signal
Citus Data

Real-time. Big data. PostgreSQL

AI infra and computePostgreSQL scaling and distributed databaseY CombinatorS11Acquiredchecked 2026-08-23
Compose

We make it easy to run databases. PostgreSQL, Redis, MongoDB,…

AI infra and computemanaged database hosting platformY CombinatorS11Acquiredchecked 2026-08-17
SingleStore

The cloud-native, operational database built for speed and scale.

AI infra and computeDistributed database for real-time analyticsY CombinatorW11Activechecked 2026-08-23