Y Combinator
Est. dry powder
$2.9B
Raised, not yet invested
AUM
$5.6B
Assets under management
Latest fund
$700M
YC Continuity Fund
Est. cheque size
$100K–
From fund sizes
Deals, last 12 months
369
Last seen investing Oct 2026
About Y Combinator
Y Combinator is a US-based private equity firm. It focuses on early-stage opportunities in the hardware, software, biotech, and ed-tech sectors, primarily across the US.
- Type
- Venture Capital Firm
- Headquarters
- Mountain View, California, US
- Stages
- AngelGrantSeedSeries ASeries BSeries CSeries DSeries E+7
- Est. cheque size
- $100K–$17.7M
- Sectors
- Information Technology, Diversified
- Regions
- North America
- Strategies
- Seed
Where they invest
From deals and portfolio companies on record
Most frequent rounds
- Seed1997
- Series A618
- Series B209
- Series C87
- Series D42
Across 3,516 deals
Portfolio sectors
- Software61
- Financial Services6
- —5
- Aerospace5
- Healthcare IT5
Across 2467 companies
Portfolio countries
- US81
- Germany5
- Canada3
- UK2
- Belgium1
Across 2467 companies
Recent investments
Newest 5 of 3,516
- Series A$27M
Sensible
Oct 2026 · Series A
- Series A$15M
Santé, Inc.
Oct 2026 · Series A
- Series A$30M
Halluminate, Inc.
Oct 2026 · Series A
- Seed$3M
Revnu
Sep 2026 · Seed
- Series C$110M
Jeeves Inc.
Sep 2026 · Series C
Offices
1 location
- Mountain View, California, USHQ
Questions about Y Combinator
How much does Y Combinator invest per deal?
Based on the size of its funds, Y Combinator writes estimated cheques of $100K–$17.7M. Lead cheques usually sit at the top of that range and follow-on cheques lower.
What stages does Y Combinator invest in?
Y Combinator has invested at Angel, Grant, Seed, Series A, Series B and Series C. Its most frequent rounds on record are Seed, Series A and Series B.
How much capital does Y Combinator have left to invest?
Y Combinator has an estimated $2.9B in dry powder: capital it has raised but not yet invested.