The Y Combinator Database
The definitive database of YC companies with all the metrics
The Y Combinator Database launched on September 27, 2017 with 866 votes, #5 of 3,073 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 9 years on.
In plain words
The Y Combinator Database is a searchable collection of 1,317 companies that participated in Y Combinator's accelerator program between 2005 and 2017, along with associated metrics for each company. It serves as a reference tool for entrepreneurs, investors, and researchers interested in understanding YC-backed startup characteristics, trends, and outcomes. The database provides detailed information across a large cohort of accelerator participants, making it useful for those studying venture capital patterns and startup development.
written from the facts on this page · September 2026
From the sources
a database of 1317 companies who went throught the Y Combinator accelerator program between 2005 and 2017 and a whole bunch of metrics about them
The most comprehensive public database of Y Combinator companies and everything you need to know about them - all YC batches
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