Y Combinator

Other · Mountain View, California

Founded in 2005, Y Combinator is an accelerator/incubator based in Mountain View, California. 1,506 portfolio companies, 34 recorded rounds and 6 funds are on record.

AUM
$3.2B
Portfolio companies
1,506
Recorded deals
34
1 in last 12M
Last investment
Mar 2026

Fund vehicles

6 recorded · $381.0M across vintages
FundVintageSize
Y Combinator Fund II (Y Combinator)——
Y Combinator ES26, LLC2026$228.3M
Y Combinator ES24, LLC2024$152.7M
Y Combinator ES20, LLC2020—
Y Combinator Continuity Affiliates Fund I, L.P.2016—
Y COMBINATOR CONTINUITY FUND I, L.P.2015—

Y Combinator funds

6 funds are on record for Y Combinator, totalling $381 million across the 2 that report a size. The most recent is Y Combinator ES26, LLC (2026 vintage), $228 million.

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  • ·The top 10 names in the book — of 1506 recorded positions
  • ·The 10 latest deals — of 34 rounds
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