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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
Nanjing Cesun Power2025Secondary Market$8.7MNanjing
Reducto2025Series B$75.0MSan Francisco
Nova Credit2025Series D$35.0MSan Francisco
Atomic2025Series UnknownUndisclosedSan Francisco
ClaimSorted2025Seed$13.3MNew York
iSono Health2025Series UnknownUndisclosedSan Francisco
FleetWorks Technology2025Series A$17.0MNyack
Prezent AI2025Series B$30.0MLos Altos
Pinpoint2025Seed$2.5MNew York
All Things Butter2025Series Unknown$2.7MLondon

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

Export
#CompanyStageAmountLocation
1826Nanjing Cesun PowerSecondary Market$8.7MNanjing, China
1827ReductoSeries B$75.0MSan Francisco, United States
1828Nova CreditSeries D$35.0MSan Francisco, United States
1829AtomicSeries UnknownUndisclosedSan Francisco, United States
1830ClaimSortedSeed$13.3MNew York, United States
1831iSono HealthSeries UnknownUndisclosedSan Francisco, United States
1832FleetWorks TechnologySeries A$17.0MNyack, United States
1833Prezent AISeries B$30.0MLos Altos, United States
1834PinpointSeed$2.5MNew York, United States
1835All Things ButterSeries Unknown$2.7MLondon, United Kingdom
EnergyPower Grid

Nanjing Cesun Power engages in the development of new energy power plants and inverter technologies.

Nanjing, China
October 2025
$8.7M
Secondary Market

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer APIsDocument ManagementGenerative AI

Reducto is an AI-driven API that specializes in converting unstructured documents like PDFs and images into structured data.

San Francisco, United States
October 2025
$75.0M
Series B

Founder Contacts

30,000+ verified contacts

CreditCredit BureauData IntegrationFinancial ServicesFinTech

Nova Credit is a credit infrastructure and analytics company that enables businesses to grow responsibly through alternative credit data.

San Francisco, United States
October 2025
$35.0M
Series D

Founder Contacts

30,000+ verified contacts

B2CFinancial ServicesFinTechPersonal Finance

Atomic is a platform that provides embedded investing and savings products for financial institutions and fintechs.

San Francisco, United States
October 2025
Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Financial ServicesInsuranceInsurTech

ClaimSorted is a insurtech company that develops an AI-powered claims management platform designed to act as a next-generation TPA.

New York, United States
October 2025
$13.3M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Health CareMedical Device

iSono Health develops an AI platform for accessible and personalized breast health monitoring

San Francisco, United States
October 2025
Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Freight ServiceLogistics

FleetWorks is a logistics management platform that uses AI to automate manual freight brokerage operations.

Nyack, United States
October 2025
$17.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyMachine LearningSoftware

An intelligent AI presentation software with all the tools, best-practice content, learning assets, to supercharge business communication.

Los Altos, United States
October 2025
$30.0M
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)CommunitiesSocialSocial Network

Pinpoint is the AI Social Operating System for consumer brands.

New York, United States
October 2025
$2.5M
Seed

Founder Contacts

30,000+ verified contacts

Food and BeverageManufacturing

All Things Butter is a food manufacturing company that specializes in providing organic butter.

London, United Kingdom
October 2025
$2.7M
Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer APIsDeveloper PlatformInformation TechnologySaaSSoftware

Kernel is a developer platform that provides Crazy Fast Browser Infrastructure for AI agents to use the internet.

San Francisco, United States
October 2025
$16.0M
Series A

Founder Contacts

30,000+ verified contacts

AerospaceAir TransportationCommercial

Odys Aviation is an aircraft startup making hybrid-electric vertical takeoff and landing (VTOL) aircraft for regional mobility.

Long Beach, United States
October 2025
$26.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ComplianceLegalSoftware

Vulcan builds AI tools that map U.S. laws and regulations, helping users draft, review, and stay compliant with legal documents.

San Francisco, United States
October 2025
$10.9M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyInternetSoftware Engineering

Datacurve specializes in high-volume data production and aims to redefine AI capabilities through premium training data for coding tasks

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

Founder Contacts

30,000+ verified contacts

Content CreatorsContent MarketingDigital EntertainmentGamingOnline Games

Rusk Media is a digital entertainment company that makes video content and social-gaming experiences aimed at young adult audiences.

New Delhi, India
October 2025
$11.6M
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Assistive TechnologyInternet

Grass is an online community that offers reward for people who provide unused internet for AI developers and enthusiasts.

Dublin, Ireland
October 2025
$10.0M
Convertible Note

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)AudioGenerative AIMachine Learning

David AI supplies audio datasets and associated services for speech, multilingual, and conversational AI applications.

San Francisco, United States
October 2025
$50.0M
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)E-CommerceMarketplacePhoto EditingPhotographyPhoto SharingSaaSSoftware

Snappr delivers high-ROI visual content for brands through its creator network, workflow automation tools and AI imaging solutions

San Francisco, United States
October 2025
$28.0M
Series B

Founder Contacts

30,000+ verified contacts

Financial ServicesIdentity ManagementMobile AppsTrading Platform

AiPrise provides a compliance platform to verify businesses and individuals globally.

Santa Clara, United States
October 2025
$12.5M
Series A

Founder Contacts

30,000+ verified contacts

AerospaceProduct DesignSpace Travel

Stoke Space develops fully reusable Nova rockets for orbital space mobility.

Kent, United States
October 2025
$860.0M
Series D

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information Technology

Relace AI platform generates custom made LLMs to create better models.

San Francisco, United States
October 2025
$23.0M
Series A

Founder Contacts

30,000+ verified contacts

Agentic AIArtificial Intelligence (AI)FinanceGenerative AIInternet of ThingsRisk ManagementRobotic Process Automation (RPA)Sales AutomationSales EnablementSupply Chain Management

MoBagel empowers enterprises with an Agentic AI Builder for Business Intelligence reporting, forecasting and workflow automation at scale.

Santa Clara, United States
October 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

BiotechnologyPharmaceuticalTherapeutics

Kernalbio creates mRNA therapies that instruct specific cells on how to make their own medicine.

Cambridge, United States
October 2025
$48.0M
Grant

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)InsuranceInsurTechMachine LearningSoftware

FurtherAI provides AI assistants for insurers, automating workflows like submission intake, policy comparisons, and underwriting processes.

San Francisco, United States
October 2025
$25.0M
Series A

Founder Contacts

30,000+ verified contacts

BiotechnologyGeneticsMedicalPharmaceuticalTherapeutics

Perlara, PBC is precision drug discovery that leaves no mutation behind.

San Francisco, United States
October 2025
$1.7M
Grant

Founder Contacts

30,000+ verified contacts

Showing 1826-1850 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, Financial Services, Information Technology, Generative AI. The firm invests across 66 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Stoke Space received $860.0M in a Series D 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 Nanjing Cesun Power, Reducto, Nova Credit, Atomic, ClaimSorted. These companies were founded in 2020 or later.

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