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Y Combinator

Y Combinator

San Francisco, Californiaycombinator.com

Overview

Y Combinator is an American technology startup accelerator and venture capital firm that provides seed funding, mentorship, and networking opportunities to early-stage startups.

Year Founded

2005

Portfolio Companies

4,669

Investments

Y Combinator investments
CompanyDateStageLead
GodHandsOct 2026AcceleratorLead
SimanticOct 2026AcceleratorCo-investor
Greypoint IndustriesAug 2026AcceleratorLead
Degla IncAug 2026AcceleratorLead
Bunkerhill HealthJul 2026Series BCo-investor

Key People

Aaron Sloan

Founder

Hayat Khan

Founder

Jeffrey Pan

Founder

Lauren Ray Vegter

Founder

Linda Manley

Founder

Maham Khaan

Co-Founder Participant

Raul Luna UNMichaelJDeLeoneJamesSupremeCornerstone RUSHPAULYDeityEmpressWelchBBNICKYROSSMOSSSxHUBBARD

Founder

Tannen Hall

Co-Founder

Vardhan Kapoor

YC S24 Founder

Venkat Sakamuri

YC Founder Winter 2021 Batch

Garry Tan

President And CEO

Diana Hu

Managing Partner

Harj Taggar

Managing Partner

Aaron Epstein

General Partner

Andrew Miklas

General Partner

David Lieb

General Partner

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

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FAQ

Firmographic Details

HeadquartersSan Francisco, California
Year Founded2005

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