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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
Great Question2025Series A$13.0MOakland
Seismic2025Venture - Series Unknown$10.0MNew York
Omnidock2024SeedUndisclosedBerlin
Cycle Momentum2024Grant$800KMontréal
GitStart2024Venture - Series UnknownUndisclosedSan Francisco
Cash Flow Portal2021SeedUndisclosedSeattle
Vizzly Technology2022Pre-SeedUndisclosedLondon
LÜK Network2022Undisclosed$4.3MLos Angeles
Haven2022Series A$8.0MMadison
zudo.work2022Pre-Seed$500KSan Francisco

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

Export
#CompanyStageAmountLocation
4026Great QuestionSeries A$13.0MOakland, United States
4027SeismicVenture - Series Unknown$10.0MNew York, United States
4028OmnidockSeedUndisclosedBerlin, Germany
4029Cycle MomentumGrant$800KMontréal, Canada
4030GitStartVenture - Series UnknownUndisclosedSan Francisco, United States
4031Cash Flow PortalSeedUndisclosedSeattle, United States
4032Vizzly TechnologyPre-SeedUndisclosedLondon, United Kingdom
4033LÜK NetworkUndisclosed$4.3MLos Angeles, United States
4034HavenSeries A$8.0MMadison, United States
4035zudo.workPre-Seed$500KSan Francisco, United States
Information ServicesInformation TechnologyUX Design

Great Question is a customer research platform designed to automate research tasks and gain consumer insights.

Oakland, United States
November 2025
$13.0M
Series A

Founder Contacts

30,000+ verified contacts

BlockchainDeveloper ToolsWeb3

Seismic is a blockchain that uses stablecoins to deliver financial services with better rates than traditional fintech platforms.

New York, United States
November 2025
$10.0M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

E-CommerceManufacturingMarketplace

Omnidock eliminates the need for multiple marketplace agreements expanding reach across marketplaces without added hassle.

Berlin, Germany
November 2024
Seed

Founder Contacts

30,000+ verified contacts

Advanced MaterialsCleanTechElectric VehicleGreen BuildingGreenTechRenewable EnergySmart BuildingSmart CitiesSmart HomeWater

Cycle Momentum offers acceleration and open innovation programs dedicated to the clean technology ecosystem.

Montréal, Canada
November 2024
$800K
Grant

Founder Contacts

30,000+ verified contacts

Enterprise SoftwareMobile AppsSoftwareSoftware EngineeringWeb Development

GitStart develops an online freelancer hiring platform to help businesses pass on their backlog work.

San Francisco, United States
November 2024
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Commercial Real EstateProperty ManagementReal Estate InvestmentSoftware

Cash Flow Portal is a real-estate syndication software that accelerates capital raising.

Seattle, United States
November 2021
Seed

Founder Contacts

30,000+ verified contacts

AnalyticsBusiness IntelligencePredictive AnalyticsSaaS

Vizzly Technology is an online analytics platform that provides embeddable dashboards for SaaS companies that users can customize.

London, United Kingdom
November 2022
Pre-Seed

Founder Contacts

30,000+ verified contacts

FinTechInternetMarketplace

LÜK Network is a fintech-enabled B2B marketplace for the advertising industry.

Los Angeles, United States
November 2022
$4.3M
Undisclosed

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechLendingReal Estate

Haven is a technology and marketplace platform that unlocks homeowner engagement for mortgage servicers.

Madison, United States
November 2022
$8.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)AutomotiveCall CenterCustomer ServiceEnterprise SoftwareHome and GardenInsuranceSoftware

Zudo.work provides AI agents that automate warranty customer calls, coverage verification, and technician dispatch.

San Francisco, United States
January 2022
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

HeatingVentilationand Air Conditioning (HVAC)Renewable EnergySoftware

Onsite Pro (by Greenwork) is enabling the construction work that's tackling the climate crisis

San Francisco, United States
November 2021
$2.3M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Communications InfrastructureInformation TechnologyManagement ConsultingManagement Information SystemsMessagingProductivity ToolsReal TimeSaaSSoftwareVirtual Workforce

When I Work is an employee scheduling and time tracking platform designed for shift-based teams.

Minneapolis, United States
November 2021
$200.0M
Private Equity

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Computer VisionRetail Technology

Focal Systems is a retail automation platform that automates and optimizes retail through the use of deep learning computer vision.

San Francisco, United States
November 2021
$25.9M
Series B

Founder Contacts

30,000+ verified contacts

Cyber SecurityInsurTechRisk Management

Telivy helps SMBs holistically assess, mitigate and transfer cyber risk.

San Francisco, United States
November 2021
$2.5M
Seed

Founder Contacts

30,000+ verified contacts

Food and BeverageRestaurantsRobotics

Great, affordable meals made by robots.

San Mateo, United States
November 2021
$3.0M
Seed

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CarePharmaceutical

Circumvent is a biotech company

Portland, United States
November 2021
$3.7M
Grant

Founder Contacts

30,000+ verified contacts

Food and BeverageFood ProcessingOrganic Food

Juicy marbles make thick juicy and marbled plant based steaks.

Dover, United States
November 2021
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Document ManagementInformation TechnologySoftware

Magic Patterns aids software teams in prototyping with AI, offering design tools and export options to React and Figma.

San Francisco, United States
November 2025
$6.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)FinTechHealth CareMedicalSoftware

Decoda Health reimagines how practices manage conversations with patients about payments in a respectful and explainable way.

San Francisco, United States
November 2025
$4.5M
Seed

Founder Contacts

30,000+ verified contacts

AdvertisingArtificial Intelligence (AI)MarketingSEO

Relixir is AI Generative Engine Optimization (GEO) assistant that maps, monitors and improves AI search rankings.

San Francisco, United States
November 2025
$2.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)BillingHealth Care

LunaBill builds billing automation software with AI Voice Agents to handle insurance calls for healthcare billing teams.

San Francisco, United States
November 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

AppsAudioInformation Technology

Audiences is a client-cloud-native application that provides 1st-party audiences to advertising and marketing their brands.

London, United Kingdom
November 2025
$2.8M
Seed

Founder Contacts

30,000+ verified contacts

Health CareHospitalMedical

Mount Sinai Health System delivers integrated medical care, research, and medical education through its network.

New York, United States
November 2024
$7.0M
Grant

Founder Contacts

30,000+ verified contacts

AutomotiveAutonomous VehiclesLogisticsSoftwareTransportation

Embark develops self-driving truck technology designed for freight and logistic services.

San Francisco, United States
November 2021
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

BlockchainCryptocurrencyFinancial Services

Saddle Finance is an automated market maker (AMM) optimized for pegged value crypto assets.

San Francisco, United States
November 2021
$7.5M
Series A

Founder Contacts

30,000+ verified contacts

Showing 4026-4050 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), Information Technology, Health Care, FinTech. The firm invests across 78 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, When I Work received $200.0M in a Private Equity 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 Great Question, Seismic, Omnidock, Cycle Momentum, GitStart. These companies were founded in 2020 or later.

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