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Y Combinator Portfolio Companies

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

Last updated: July 2026

Y Combinator Investment Overview

Portfolio Companies
5,185
Total Invested
$29.9B
Average Investment
$10.5M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Infiuss health2025Series A$3.0MSan Francisco
Uncommon Therapeutics2025Pre-Seed$500KSan Francisco
awen2025Pre-Seed$500KParis
FairPlay242025Series Unknown$10.0MLos Angeles
Ziina2025Series BUndisclosedDubai
Shiboleth2025Seed$1.5MNew York
TamLabs2025Pre-Seed$500KSan Francisco
FirstWork2025Seed$5.0MSan Francisco
SimCare AI2025Seed$2.0MSan Francisco
Starcloud2025Seed$10.0MRedmond

Complete List of Y Combinator Portfolio Companies (5,185)

Export
#CompanyStageAmountLocation
2476Infiuss healthSeries A$3.0MSan Francisco, United States
2477Uncommon TherapeuticsPre-Seed$500KSan Francisco, United States
2478awenPre-Seed$500KParis, France
2479FairPlay24Series Unknown$10.0MLos Angeles, United States
2480ZiinaSeries BUndisclosedDubai, United Arab Emirates
2481ShibolethSeed$1.5MNew York, United States
2482TamLabsPre-Seed$500KSan Francisco, United States
2483FirstWorkSeed$5.0MSan Francisco, United States
2484SimCare AISeed$2.0MSan Francisco, United States
2485StarcloudSeed$10.0MRedmond, United States
Artificial Intelligence (AI)Health CarePharmaceutical

Infiuss Health is developing digital patient twins for pharmaceutical simulation and personalized health optimization.

San Francisco, United States
March 2025
$3.0M
Series A

Founder Contacts

30,000+ verified contacts

BiotechnologyGeneticsTherapeutics

Uncommon Therapeutics focuses on building drugs for rare diseases using cutting-edge technology.

San Francisco, United States
March 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Software

Awen uses AI to understand creative intent through voice, balancing power and ease for all users.

Paris, France
March 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BLendingMachine LearningSoftware

FairPlay offers tools to embed fairness into AI decision-making and reduce algorithmic bias.

Los Angeles, United States
February 2025
$10.0M
Series Unknown

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechMobile AppsPayments

Ziina is a financial service company that provides peer-to-peer payment for mobile apps.

Dubai, United Arab Emirates
February 2025
Series B

Founder Contacts

30,000+ verified contacts

B2BFinTech

Shiboleth automates back-office QA and compliance in consumer lending.

New York, United States
February 2025
$1.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)FinanceProductivity Tools

TamLabs enhances document workflows with AI-driven editing, formatting, and real-time revision tracking.

San Francisco, United States
February 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Employee BenefitsEmploymentHuman ResourcesInformation TechnologyLogistics

Next generation HR tech for the teams that keep the world moving

San Francisco, United States
February 2025
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)E-LearningHealth CareSimulation

SimCare AI is a healthcare technology firm that is using artificial intelligence to revolutionize clinical training.

San Francisco, United States
February 2025
$2.0M
Seed

Founder Contacts

30,000+ verified contacts

AerospaceSpace Travel

Starcloud is building a network of large data centers in space.

Redmond, United States
February 2025
$10.0M
Seed

Founder Contacts

30,000+ verified contacts

Data IntegrationEnterprise SoftwareHealth CareInsurTechMedicalMental HealthPaymentsSaaSSoftware

Vertical SaaS for recurring health, starting with autism

New York, United States
February 2025
$30.0M
Series B

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechPaymentsSoftware

Malga develops payments as a service platform that provides access to multiple connections through one integration.

Rio De Janeiro, Brazil
February 2025
$5.6M
Series A

Founder Contacts

30,000+ verified contacts

BroadcastingCRMDigital MediaGamificationInternetSoftwareTechnical Support

LiveLike develops an audience engagement platform that transforms digital users into engaged fans.

New York, United States
February 2025
$50K
Series Unknown

Founder Contacts

30,000+ verified contacts

ComputerCyber SecurityInformation TechnologyMobile AppsNetwork SecuritySoftwareSoftware Engineering

Agency provides enterprise-level cybersecurity for individuals and growing businesses.

New York, United States
February 2025
Non Equity Assistance

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Generative AISoftware

SAMMY Labs is an AI that simulates user actions, creates content, and finds issues, updating automatically with product changes.

London, United Kingdom
February 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BSales

Ergo is AI that eliminates manual sales tasks, ensuring CRMs stay updated and deals move faster with smart automation.

San Francisco, United States
February 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Health CareMedicalTherapeutics

LunaJoy helps women access mental care through virtual therapy, counseling, and medication management services.

Tampa, United States
February 2025
Seed

Founder Contacts

30,000+ verified contacts

Generative AIProductivity ToolsSaaS

Auctor streamlines pre-development workflows for solution engineers, system integrators, and professional services teams.

San Francisco, United States
February 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Generative AIReal EstateSaaS

Henry is an AI copilot for commercial real estate brokers that integrates internal and external data to quickly generate deal decks.

New City, United States
February 2025
$4.3M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BEnterpriseSaaS

CTGT builds efficient, trustworthy AI, preventing errors and maximizing ROI with secure, reliable enterprise-grade solutions.

San Francisco, United States
February 2025
$7.2M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)BlockchainGaming

The Game Company is to revolutionizing the gaming industry by providing a Cloud-based platform that is accessible, inclusive and innovative.

Dubai, United Arab Emirates
February 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

AppsBabyInformation ServicesInformation TechnologyMobile AppsParentingSoftware

Riley is an all-in-one parenting platform that combines AI technology and expert insights to deliver proactive, on-demand support.

San Francisco, United States
February 2025
$3.1M
Seed

Founder Contacts

30,000+ verified contacts

BlockchainCryptocurrencyWeb3

Fluent Labs is a blockchain development company.

California City, United States
February 2025
$8.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BOpen Source

Lingo.dev automates localization by generating instant translations and creating pull requests with translations for UI code changes.

San Francisco, United States
February 2025
$4.2M
Seed

Founder Contacts

30,000+ verified contacts

Mobile AppsRide SharingTransportation

Fetii allows groups and businesses to move together, on-demand

Austin, United States
February 2025
$7.3M
Seed

Founder Contacts

30,000+ verified contacts

Showing 2476-2500 of 5,185 portfolio companies

Frequently Asked Questions About Y Combinator

How many companies has Y Combinator invested in?

Y Combinator has invested in 5,185 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Y Combinator invest in?

Y Combinator's top investment sectors include Artificial Intelligence (AI), Software, B2B, Health Care, Mobile Apps. The firm invests across 56 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Camber received $30.0M in a Series B round. Y Combinator's total known invested capital is $29.9B.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $10.5M across its portfolio of 5,185 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include Infiuss health, Uncommon Therapeutics, awen, FairPlay24, Ziina. These companies were founded in 2020 or later.

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