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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
Freestyle2025SeedUndisclosedSan Francisco
B-finder2025Seed$104KPoznan
Circular2025Debt FinancingUndisclosedSingapore
Carma2025SeedUndisclosedSan Francisco
Stardex2025Seed$2.1MNew York
Ontra Mobility2025SeedUndisclosedNew York
Tower2025Pre-Seed$500KToronto
Moby Analytics2025Pre-SeedUndisclosedParis
Velvet2025Pre-Seed$500KSan Francisco
Drillbit2025SeedUndisclosedAustin

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

Export
#CompanyStageAmountLocation
3876FreestyleSeedUndisclosedSan Francisco, United States
3877B-finderSeed$104KPoznan, Poland
3878CircularDebt FinancingUndisclosedSingapore, Singapore
3879CarmaSeedUndisclosedSan Francisco, United States
3880StardexSeed$2.1MNew York, United States
3881Ontra MobilitySeedUndisclosedNew York, United States
3882TowerPre-Seed$500KToronto, Canada
3883Moby AnalyticsPre-SeedUndisclosedParis, France
3884VelvetPre-Seed$500KSan Francisco, United States
3885DrillbitSeedUndisclosedAustin, United States
AppsEnterprise SoftwareSoftware Engineering

Freestyle is a software development company which builds full stack applications with exceptional infrastructure using typescript.

San Francisco, United States
January 2025
Seed

Founder Contacts

30,000+ verified contacts

Information TechnologyProfessional ServicesSaaSService IndustrySoftware

SaaS, B2B, B2G, environmental monitoring, wind power, VaaS, automation, sensors

Poznan, Poland
January 2025
$104K
Seed

Founder Contacts

30,000+ verified contacts

E-CommerceElectronicsSubscription Service

Circular provides smart electronic devices to the consumers on subscription basis and focusing on affordability.

Singapore, Singapore
January 2025
Debt Financing

Founder Contacts

30,000+ verified contacts

Automotive

Same-Day Auto Repair for Commercial Fleets.

San Francisco, United States
January 2025
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)RecruitingSaaS

AI native ATS & CRM for recruiting firms

New York, United States
January 2025
$2.1M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyTransportation

Ontra provides urban areas and transit agencies with the tools to enhance ridership.

New York, United States
January 2025
Seed

Founder Contacts

30,000+ verified contacts

Commercial Real EstateLegal Tech

End-to-end due diligence management platform for legal, real estate, and PE

Toronto, Canada
January 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Software

Moby Analytics is the AI-first analytics platform for auditors to automate tasks and uncover insights. without coding skills.

Paris, France
January 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

AdvertisingArtificial Intelligence (AI)Media and Entertainment

Velvet builds AI-powered video editing platform that creates cinematic AI videos and social media advertisements.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)CRMSaaSSoftware

Drillbit is an AI back office support CRM platform that provides business management solutions.

Austin, United States
January 2025
Seed

Founder Contacts

30,000+ verified contacts

EnergyFuelNuclear

Maritime Fusion specializes in the development and construction of high-temperature superconducting fusion reactors.

San Francisco, United States
November 2025
$4.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Enterprise SoftwareSaaSSoftwareUsability Testing

Momentic is an AI-powered testing software that helps developers automate end-to-end testing of web applications.

San Francisco, United States
November 2025
$15.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Industrial AutomationInformation TechnologyMachine LearningSoftware

Cerrion is an AI software company that develops computer vision technology to generate production insights.

Zürich, Switzerland
November 2025
$18.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BFinancial ServicesFinTechMachine Learning

Model ML provides AI tools that automate tedious tasks in finance, enabling firms to process deals and models more efficiently.

New York, United States
November 2025
$75.0M
Series A

Founder Contacts

30,000+ verified contacts

E-CommerceFashionInternet

Thread operates as an online personal styling platform designed to help men find clothes.

London, United Kingdom
November 2021
Series B

Founder Contacts

30,000+ verified contacts

AppsBlockchainSoftware

Cedalio provides the building blocks for application builders that want to get the benefits of decentralized technology.

San Francisco, United States
January 2024
Seed

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Human ResourcesMachine LearningSaaS

Turn Employees Feedback into Real Actions using smart action lists, nudges & byte size learnings

San Francisco, United States
January 2024
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

BlockchainDeveloper ToolsEthereumInternetWeb3

#1 Blockchain Infrastructure Platform. Learn, Build, and Scale Onchain.

Miami, United States
January 2024
Secondary Market

Founder Contacts

30,000+ verified contacts

FinanceFinTechInternet

trebu use a data-sharing network to combat fraud and default.

Mexico City, Mexico
January 2024
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BDigital MarketingMarketing AutomationSaaSSales Automation

Automating prospecting & outbound marketing for enterprises.

San Francisco, United States
January 2024
$4.3M
Seed

Founder Contacts

30,000+ verified contacts

Animal FeedFood Processing

Ten Lives produces high-protein, ecological cat food.

San Francisco, United States
January 2024
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Credit CardsFinanceFinTechPayments

Gauss is a mobile application that assists people in building wealth while paying down credit card debt.

New York, United States
January 2024
Seed

Founder Contacts

30,000+ verified contacts

Information TechnologyMachinery ManufacturingWood Processing

Cutr provides wooden parts online in minutes.

Amsterdam, The Netherlands
January 2024
Seed

Founder Contacts

30,000+ verified contacts

E-CommerceFood and BeverageFood DeliveryFood ProcessingHealth Care

Mosaic Foods provides Delicious meals cooked with care, frozen, and delivered it to your door.

Brooklyn, United States
November 2021
$6.0M
Seed

Founder Contacts

30,000+ verified contacts

BlockchainInformation Technology

ORIGYN develops sophisticated biometric digital certificates legitimacy, identity, and ownership of valuable assets.

Neuchâtel, Switzerland
November 2021
$20.0M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Showing 3876-3900 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 Artificial Intelligence (AI), SaaS, Software, Information Technology, E-Commerce. The firm invests across 50 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Model ML received $75.0M in a Series A 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 Freestyle, B-finder, Circular, Carma, Stardex. These companies were founded in 2020 or later.

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