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Y Combinator

The world's leading startup accelerator, founded 2005. Has funded 5,000+ companies including Airbnb, Stripe, OpenAI, …

Active Accelerator 🇺🇸 United States · Mountain View, United States · Since 2005
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Portfolio Active
579
Latest Taktile
Deal flow
$4.0B
10 rounds
Unicorns
5
≥ $1B valuation
Founded
2005
21 yrs
Latest
Jun 2026
Taktile

About Y Combinator

The world's leading startup accelerator, founded 2005. Has funded 5,000+ companies including Airbnb, Stripe, OpenAI, and Dropbox.

Investment activity

2018–2026
$3M
$55.4M
$125K
$57.5M
$161.3M
$201.4M
$1.8B
$673.4M
1
'18
3
'19
1
'21
3
'22
7
'23
19
'24
240
'25
236
'26

Portfolio

24

Co-investors

8

Recent rounds

10
Jun 24, 2026 Series C $110M Taktile
Jun 23, 2026 Series A $30M Prosper AI
May 19, 2026 Seed $10.5M Stilta
May 19, 2026 Series A $17M Status
May 14, 2026 Seed $6M Flick
May 7, 2026 Series A $17M Fazeshift
Apr 29, 2026 Series D $150M Hightouch
Apr 23, 2026 Seed $5M Astor
Apr 20, 2026 Seed $5.8M Lua Global Inc
Apr 15, 2026 Seed $4.5M Uplane