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Y Combinator

North America, California, United States, Mountain View

Description

Y Combinator is a startup accelerator that invests in a wide range of startups.

Investor Profile

Y Combinator has made 5,072 investments, with 726 in the past 12 months and 37% as lead.

Stage Focus

  • Seed (45%)
  • Pre Seed (36%)
  • Series A (8%)
  • Series Unknown (4%)
  • Series B (3%)
  • Series C (1%)
  • Angel (1%)

Country Focus

  • United States (75%)
  • India (4%)
  • Canada (3%)
  • United Kingdom (3%)
  • Mexico (1%)
  • Singapore (1%)
  • France (1%)
  • Nigeria (1%)
  • Germany (1%)
  • Indonesia (1%)

Industry Focus

  • Software
  • Artificial Intelligence (Ai)
  • Information Technology
  • Fintech
  • Saas
  • Financial Services
  • Health Care
  • E-commerce
  • Internet
  • B2b
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does Y Combinator frequently co-invest with?

Soma Capital
Soma Capital
North America, California, United States, San Francisco
Co-Investments: 275
FundersClub
FundersClub
North America, California, United States, San Francisco
Co-Investments: 248
Liquid 2 Ventures
Liquid 2 Ventures
North America, California, United States, San Francisco
Co-Investments: 269
SV Angel
SV Angel
North America, California, United States, San Francisco
Co-Investments: 248
Pioneer Fund
Pioneer Fund
North America, California, United States, San Francisco
Co-Investments: 359
Global Founders Capital
Global Founders Capital
Europe, Berlin, Germany, Berlin
Co-Investments: 102
Initialized Capital
Initialized Capital
North America, California, United States, San Francisco
Co-Investments: 116
Rebel Fund
Rebel Fund
North America, California, United States, Calabasas
Co-Investments: 127
Goodwater Capital
Goodwater Capital
North America, California, United States, Burlingame
Co-Investments: 234
Khosla Ventures
Khosla Ventures
North America, California, United States, Menlo Park
Co-Investments: 108

Which angels does Y Combinator often collaborate with?

WG
Wei Guo
North America, California, United States, San Francisco
Shared Deals: 44
JM
Justin Mateen
North America, United States
Shared Deals: 37
EL
Edward Lando
North America, Florida, United States, Miami Beach
Shared Deals: 56
LB
Louis Beryl
North America, California, United States, San Francisco
Shared Deals: 42
PB
Paul Buchheit
North America, California, United States, Mountain View
Shared Deals: 98
AF
Arash Ferdowsi
North America, California, United States, San Francisco
Shared Deals: 32
AO
Alexis Ohanian
North America, California, United States, San Francisco
Shared Deals: 59
BF
Brad Flora
North America, California, United States, San Francisco
Shared Deals: 34
EG
Elad Gil
North America, California, United States, San Francisco
Shared Deals: 29
IA
Immad Akhund
North America, California, United States, San Francisco
Shared Deals: 31

What are some of recent deals done by Y Combinator?

voize

Potsdam, Brandenburg, Germany

voize is an app for care documentation via voice input.

Document ManagementInformation TechnologyVoIP
SeedMar 31, 2025
Amount Raised: $9,000,000
Sohar Health

New York, New York, United States

Sohar Health automates insurance verification for behavioral health providers with EHR integration and real-time eligibility updates.

Artificial Intelligence (AI)Developer APIsEmployee BenefitsHealth CareInsuranceSoftware
SeedMar 28, 2025
Amount Raised: $3,800,000
Flagright

Berlin, Berlin, Germany

Flagright delivers real-time fraud detection and anti-money laundering solutions through its API-first platform.

ComplianceFinancial ServicesFinTechFraud DetectionInformation Technology
SeedMar 27, 2025
Amount Raised: $4,273,930
Taxo

San Francisco, California, United States

Taxo automates healthcare administration using proprietary AI models

Artificial Intelligence (AI)Generative AIHealth Care
SeedMar 27, 2025
Amount Raised: $5,000,000
ParadeDB

New York, New York, United States

ParadeDB is a modern Elasticsearch alternative built on Postgres. Built for real-time, update-heavy workloads.

AnalyticsDatabaseEnterprise SoftwareInformation TechnologySearch EngineSemantic Search
Series AMar 24, 2025
Amount Raised: $12,000,000

Scribe Health AI is an HIPAA-compliant clinical documentation tool that integrates with 50+ EMR systems.

Artificial Intelligence (AI)Health CareMedical
SeedMar 23, 2025
Amount Raised: $1,200,000
Browser Use

San Francisco, California, United States

Make Websites Accessible for Agents

Artificial Intelligence (AI)Business Process Automation (BPA)Open Source
SeedMar 22, 2025
Amount Raised: $17,000,000
Olio Labs

California City, California, United States

Olio Labs utilizes AI for combo therapeutics, optimizing and minimizing side effects through automated discovery of protein interactions.

Artificial Intelligence (AI)BiopharmaBiotechnologyMachine LearningTherapeutics
Series UnknownMar 19, 2025
Amount Raised: $4,500,000
Mito Health

Singapore, Central Region, Singapore

Mito Health is an AI-powered medical healthtech that provides advances to revolutionize the future of personalized preventative care.

Artificial Intelligence (AI)Health CareMedicalPersonal Health
SeedMar 17, 2025
Amount Raised: $2,200,000
Phoenix Health

Toronto, Ontario, Canada

Phoenix is a digital health platform providing telemedicine services for men's health, treating ED, hair loss, PE, and weight loss.

Health CareHealth DiagnosticsMedicalMen'sTelehealthWellness
Series AMar 13, 2025
Amount Raised: $34,770,442
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