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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
$33.2B
Average Investment
$11.7M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Affect2025Series B$26.0MNew York
AmplifAI2025Series B$33.7MPlano
Cardless2025Series C$60.0MSan Francisco
Uplane2025Pre-Seed$500KDover
Zavo2025Seed$3.8MLondon
Adaptyv Biosystems2025Seed$8.0MLausanne
Perseus Defense2025Seed$6.0MSan Francisco
Numeral2025Series B$35.0MSan Francisco
Finary2025Series B$29.5MParis
Kodex2025Series A$21.2MBoston

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

Export
#CompanyStageAmountLocation
1876AffectSeries B$26.0MNew York, United States
1877AmplifAISeries B$33.7MPlano, United States
1878CardlessSeries C$60.0MSan Francisco, United States
1879UplanePre-Seed$500KDover, United States
1880ZavoSeed$3.8MLondon, United Kingdom
1881Adaptyv BiosystemsSeed$8.0MLausanne, Switzerland
1882Perseus DefenseSeed$6.0MSan Francisco, United States
1883NumeralSeries B$35.0MSan Francisco, United States
1884FinarySeries B$29.5MParis, France
1885KodexSeries A$21.2MBoston, United States
Addiction TreatmentFitnessHealth CareWellness

Affect uses mobile technology to revolutionize stimulant addiction recovery.

New York, United States
September 2025
$26.0M
Series B

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Software

Applying science to make teams better.

Plano, United States
September 2025
$33.7M
Series B

Founder Contacts

30,000+ verified contacts

Credit CardsFinanceFinTech

Cardless operates the leading platform for consumer brands to launch credit card products.

San Francisco, United States
September 2025
$60.0M
Series C

Founder Contacts

30,000+ verified contacts

AdvertisingAnalyticsArtificial Intelligence (AI)B2BMarketingSaaSSoftware

Uplane is an AI-powered marketing platform that automates ad creation, campaign management, and performance tracking.

Dover, United States
September 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BFinancial ServicesFinTechPaymentsRestaurants

AI Point of Sale for Restaurants

London, United Kingdom
September 2025
$3.8M
Seed

Founder Contacts

30,000+ verified contacts

BiotechnologyInformation TechnologyLife Science

Adaptyv Biosystems developing a protein engineering platform using cell-free synthetic biology and nanofluidics.

Lausanne, Switzerland
September 2025
$8.0M
Seed

Founder Contacts

30,000+ verified contacts

DronesHardwareManufacturingNational SecurityRobotics

Perseus Defense produces counter-drone systems for the Department of Defense and homeland security.

San Francisco, United States
September 2025
$6.0M
Seed

Founder Contacts

30,000+ verified contacts

ComplianceFinancial ServicesFinTechInformation TechnologySoftware

Numeral provides a platform that automates the sales tax process for e-commerce and SaaS businesses.

San Francisco, United States
September 2025
$35.0M
Series B

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechPersonal FinanceWealth Management

Finary is a platform that allows everybody to track and manage their wealth online.

Paris, France
September 2025
$29.5M
Series B

Founder Contacts

30,000+ verified contacts

Document ManagementInformation TechnologySaaS

Kodex is a workflow management web platform that manages relationships, workflows, and secure file transfer with government agencies.

Boston, United States
September 2025
$21.2M
Series A

Founder Contacts

30,000+ verified contacts

Internet of ThingsMachinery ManufacturingSatellite CommunicationWireless

Hubble Network is a developer of a satellite-powered Bluetooth network that enables devices to connect regardless of cellular reception.

Las Vegas, United States
September 2025
$70.0M
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cloud Data ServicesFinancial ServicesFinTech

Aleph is a financial software company that provides AI-native financial planning and analysis tools and data management infrastructure.

New York, United States
September 2025
$29.2M
Series B

Founder Contacts

30,000+ verified contacts

Cloud ComputingDeveloper ToolsSoftware

The fastest way to run your GitHub Actions. Trusted by Veed, Clerk, Ashby and 600+ others.

San Francisco, United States
September 2025
$10.0M
Series A

Founder Contacts

30,000+ verified contacts

IndustrialManufacturingRobotic Process Automation (RPA)Robotics

Forge Robotics is an intelligent automation that operates like a human but scales like a machine.

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

Founder Contacts

30,000+ verified contacts

ChemicalManufacturingRecycling

GreenMantra Technologies develops a proprietary catalytic process to economically produce commercial quality waxes.

Brantford, Canada
September 2025
$10.0M
Debt Financing

Founder Contacts

30,000+ verified contacts

BiotechnologyPackaging ServicesReal TimeSustainability

Freshr Technologies develops active packaging solutions to prolong the shelf life of fresh fish.

Dartmouth, Canada
September 2025
$169K
Grant

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information ServicesInformation TechnologyProject Management

Invisible Technologies provides systems and human expertise for developing, training, and deploying artificial intelligence.

San Francisco, United States
September 2025
$100.0M
Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Commercial Lending

F2 AI offers an AI platform specifically designed for private markets, including private finance, private equity, and commercial banking.

New York, United States
September 2025
$10.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ComplianceFinTechFraud DetectionQuality Assurance

Rulebase offers an AI-driven platform designed to automate quality assurance and compliance monitoring across customer interactions.

Dover, United States
September 2025
$2.1M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ComplianceHuman Resources

DianaHR offers AI-powered HR tools that streamline onboarding, attendance, payroll, and employee management for small businesses.

San Francisco, United States
September 2025
$3.7M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BEnterprise SoftwareIntellectual PropertySaaS

MarqVision provides an AI-powered managed service platform to help brands remove counterfeits from online marketplaces.

Los Angeles, United States
September 2025
$48.0M
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Health CareMedical

Penguin AI uses AI to analyze health records and support care decisions, improving patient outcomes.

Palo Alto, United States
September 2025
$25.0M
Series A

Founder Contacts

30,000+ verified contacts

Health CarePersonal HealthWellnessWomen's

Diana Health offers personalized women's healthcare services in maternity, gynecology, menopause, mental health, and wellness.

New York, United States
September 2025
$55.0M
Series C

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BCustomer ServiceSoftwareTechnical Support

The AI agent that resolves complex support tickets, effortlessly

San Francisco, United States
September 2025
$18.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer PlatformInformation TechnologyMachine LearningSoftware

Institutional Intelligence for Private Equity

New York, United States
September 2025
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

Showing 1876-1900 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, FinTech, Information Technology, B2B. The firm invests across 58 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Invisible Technologies received $100.0M in a Series Unknown round. Y Combinator's total known invested capital is $33.2B.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $11.7M across its portfolio of 5,185 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include Affect, AmplifAI, Cardless, Uplane, Zavo. These companies were founded in 2020 or later.

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