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
Apollo

Apollo helps engineering teams accelerate delivery

Developer toolsGraphQL API infrastructure and toolingY CombinatorS11Activechecked 2026-08-23
HackerRank

Change the world to value skills over pedigree

Developer toolsdeveloper hiring and skill assessmentY CombinatorS11Activechecked 2026-08-23
Imgix

The platform for your visual media.

Developer toolsimage and visual media optimization platformY CombinatorS11Activechecked 2026-08-23
Tumult

Tumult is building the next generation of apps for web design. Our…

Developer toolsweb design and prototyping toolsY CombinatorW11Activechecked 2026-08-23