Y Combinator

Venture Capital

Growth-stage fund investing in the most elite Y Combinator alumni companies, providing lifecycle capital from early through late stage.

Mountain View, United States · 4293+ investments · 276 portfolio companies

Growth
Late Stage
Pre-Seed
Seed
Early Stage
E-Commerce
Fintech
SaaS
Industrials
Artificial Intelligence
Biotech
Digital Health
Developer Tools
Crypto & Web3
Headquarters
Mountain View, United States
Founded
2015
AUM
$700.0M
Portfolio Companies
276
Total Investments
4,293
Last Investment
Aug 2026
Geographic Focus
United States, Global

Investment Thesis

Invests in the most elite YC alumni companies at growth and late stages, taking pro-rata rights and making lifecycle investments of $20M–$100M to support YC portfolio companies beyond the accelerator.

Y Combinator is a Venture Capital firm based in Mountain View, United States. It has made 4293 investments in E-Commerce and Fintech, including careCycle, Assembly and Casca.

Portfolio276

careCycle
Assembly
Casca
Coinrule
Courier
Courtyard
Bluebook
Beam
Coast
Boom Supersonic
BioRender
Arpio
Bimaplan
Cofactor Genomics
Clinikally
Substack
AiPrise
Camber
CoLoop
Clara Labs
C16 Biosciences
Campfire
Cityfurnish
Bite Ninja
Alinea
Bueno Finance
autarc
Faire
Betterhalf
Artie
Ciro
BIK
Coinbase
Monzo
Chargehound
Clad
Cerebrium
Sendbird
Airbnb
Cogram
Fivetran
Bird
Rappi
Airtable
MessageBird
Astro Mechanica
Concourse
Bluedot

Investment History

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