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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
7,960
Total Invested
$44.2B
Average Investment
$8.1M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Passendo2021Seed$2.6MCopenhagen
Duetti2026Debt Financing$150.0MNew York
Perfectly2026Pre-SeedUndisclosedMountain View
Claim Health2026Seed$4.4MNew York
Benepass2026Series B$40.0MNew York
Credit Key2026Private Equity$90.0MVenice
Prox2025GrantUndisclosedSan Francisco
Raindrop2025Seed$15.0MSan Francisco
Reditus Space2025Seed$7.1MAtlanta
AccurKardia2025Seed$2.5MNew York

Complete List of Y Combinator Portfolio Companies (7,960)

Export
#CompanyStageAmountLocation
3726PassendoSeed$2.6MCopenhagen, Denmark
3727DuettiDebt Financing$150.0MNew York, United States
3728PerfectlyPre-SeedUndisclosedMountain View, United States
3729Claim HealthSeed$4.4MNew York, United States
3730BenepassSeries B$40.0MNew York, United States
3731Credit KeyPrivate Equity$90.0MVenice, United States
3732ProxGrantUndisclosedSan Francisco, United States
3733RaindropSeed$15.0MSan Francisco, United States
3734Reditus SpaceSeed$7.1MAtlanta, United States
3735AccurKardiaSeed$2.5MNew York, United States
Ad NetworkAd ServerAdvertisingEmail Marketing

Passendo is a Copenhagen, Denmark-based startup providing email marketing services.

Copenhagen, Denmark
December 2021
$2.6M
Seed

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechMusic

Duetti is a music financing platform that engages in buying catalog rights from independent musicians.

New York, United States
January 2026
$150.0M
Debt Financing

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)EmploymentInformation TechnologyRecruitingSoftwareStaffing Agency

Perfectly offers an AI recruiting system that captures hiring preferences, sources candidates, automates outreach, and screens applicants.

Mountain View, United States
January 2026
Pre-Seed

Founder Contacts

30,000+ verified contacts

Agentic AIArtificial Intelligence (AI)Health CareHospitalMedical

Claim Health is a AI revenue platform that is fully automated through AI billing for healthcare industry.

New York, United States
January 2026
$4.4M
Seed

Founder Contacts

30,000+ verified contacts

Employee BenefitsEnterprise SoftwareFinTechHuman Resources

Benepass is a benefits administration platform that helps companies manage and distribute employee perks and benefits.

New York, United States
January 2026
$40.0M
Series B

Founder Contacts

30,000+ verified contacts

E-CommerceFinancial ServicesPayments

Credit Key is a patented pay-over-time financing solution for e-commerce merchants.

Venice, United States
January 2026
$90.0M
Private Equity

Founder Contacts

30,000+ verified contacts

Generative AITechnical Support

Prox is an AI startup that builds multimodal agents to automate technical support for manufacturers.

San Francisco, United States
December 2025
Grant

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Business IntelligenceEnterprise Software

Raindrop is a provider of a monitoring platform for AI agents.

San Francisco, United States
December 2025
$15.0M
Seed

Founder Contacts

30,000+ verified contacts

Aerospace

Reditus Space specializes in microgravity manufacturing, offering reusable small-scale re-entry vehicles for space research and production.

Atlanta, United States
December 2025
$7.1M
Seed

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Health DiagnosticsInternet of ThingsMedical

AccurKardia is an ECG-led diagnostics software company.

New York, United States
December 2025
$2.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)IndustrialMachinery Manufacturing

Nox Metals is an AI-powered metals supplier empowering modern American manufacturing at scale.

Detroit, United States
December 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

Health CareHuman ResourcesMarketplaceRecruiting

Nomad Health is an online staffing marketplace that connects clinicians to healthcare jobs.

New York, United States
December 2025
$33.8M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Clinical TrialsGeneticsHealth Care

Lamar Health helps expensive medications get covered by insurance.

Palo Alto, United States
December 2024
Seed

Founder Contacts

30,000+ verified contacts

Health CarePharmaceutical

FastFarma operates as a digital pharmacy.

Quito, Ecuador
December 2021
$2.0M
Convertible Note

Founder Contacts

30,000+ verified contacts

AppsBlockchainContent CreatorsDeveloper PlatformGenerative AIWeb3

Fleek is an AI creator platform that enables users to create, manage, and monetize AI agents and virtual influencers across social channels.

New York, United States
December 2022
$25.0M
Series A

Founder Contacts

30,000+ verified contacts

E-CommerceFood and BeverageLogisticsSupply Chain ManagementSustainability

Building the future of grocery shopping in LatAm

Monterrey, Mexico
January 2022
Series A

Founder Contacts

30,000+ verified contacts

FitnessHealth CareMedicalWellness

Million Marker is a service for people to measure personal exposure to everyday environmental chemicals in their body

Berkeley, United States
January 2022
Equity Crowdfunding

Founder Contacts

30,000+ verified contacts

AppsCosmeticsDebit CardsE-CommerceInformation TechnologyMarket ResearchPersonal HealthSocial MediaSoftware

Clear is the #1 social skincare app available for free on iOS and Android - buy, track and share your skincare with Clear.

London, United Kingdom
December 2021
$840K
Pre-Seed

Founder Contacts

30,000+ verified contacts

E-CommerceSaaSSoftware

Swiftline is a SaaS company providing data driven tools to e-commerce businesses.

New York, United States
December 2021
$12.0M
Series A

Founder Contacts

30,000+ verified contacts

Human ResourcesInformation TechnologySoftware

Together Software provides corporate mentor ship management platform.

Toronto, Canada
December 2021
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

ComputerRestaurantsRetailSoftware

Elevate Research offers a platform that enables restaurants and retailers to survey customers.

Minnesota City, United States
December 2021
$15.0M
Series A

Founder Contacts

30,000+ verified contacts

Big DataBitcoinBlockchainCryptocurrencyDecentralized Finance (DeFi)Financial ServicesSecurity

Sky is a decentralized autonomous organization on the Ethereum blockchain.

Georgetown, United States
December 2021
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Enterprise SoftwareHospitalityHotelManufacturingRestaurantsSaaSSupply Chain ManagementSustainability

Copia is the next-generation technology platform for food waste management.

Laguna Beach, United States
December 2021
Seed

Founder Contacts

30,000+ verified contacts

CryptocurrencyFinanceFinancial ServicesFinTechMobile Apps

Structure financial is a global trading platform that aims to facilitate crypto-based investing and lending for mobile users.

Singapore, Singapore
December 2021
$20.0M
Seed

Founder Contacts

30,000+ verified contacts

B2BCRMInformation ServicesInformation TechnologyMarketingReal TimeSaaSSalesSoftware

Enable Us is the most versatile buyer-centric enablement platform built to make the buying experience more efficient, transparent & personal

San Francisco, United States
December 2021
$4.5M
Seed

Founder Contacts

30,000+ verified contacts

Showing 3726-3750 of 7,960 portfolio companies

Frequently Asked Questions About Y Combinator

How many companies has Y Combinator invested in?

Y Combinator has invested in 7,960 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 Software, Artificial Intelligence (AI), Health Care, Financial Services, Information Technology. The firm invests across 71 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Duetti received $150.0M in a Debt Financing round. Y Combinator's total known invested capital is $44.2B.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $8.1M across its portfolio of 7,960 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include Passendo, Duetti, Perfectly, Claim Health, Benepass. These companies were founded in 2020 or later.

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