Private Market View

Y Combinator

Other · Mountain View, California

AUM
$3.2B
Portfolio companies
1,505
Recorded deals
19
1 in last 12M
Last investment
Mar 2026

Y Combinator's book

1505 companies · priced by our data
CompanyValuationRole
OpenAI$894.3B
Stripe$184.4B
Kalshi$35.0B
Scale AI$29.0B
Helion$15.0B
Whatnot$11.5B
Replit$9.3B
Gusto$9.3B
Stoke Space$9.0B
Flock Safety$8.4B
+ 1495 more companies · a free account shows the top 25
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  • ·The book's top 25 — of 1505 recorded positions
  • ·Every recorded deal — 19 rounds
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