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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
MoBagel2025UndisclosedUndisclosedSanta Clara
Peer AI2025Undisclosed$12.1MSan Francisco
Supabase2025Series E$143.1MSan Francisco
Pangolin2025Seed$4.7MSan Francisco
Flai2025Seed$4.5MSan Francisco
Oneleet2025Series A$33.0MAmsterdam
Metreecs2025Seed$3.2MSan Francisco
SF Tensor2025Pre-Seed$500KSan Francisco
Ansa Biotechnologies2025Series B$46.4MEmeryville
Lilac2025Seed$2.5MSan Francisco

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

Export
#CompanyStageAmountLocation
1851MoBagelUndisclosedUndisclosedSanta Clara, United States
1852Peer AIUndisclosed$12.1MSan Francisco, United States
1853SupabaseSeries E$143.1MSan Francisco, United States
1854PangolinSeed$4.7MSan Francisco, United States
1855FlaiSeed$4.5MSan Francisco, United States
1856OneleetSeries A$33.0MAmsterdam, The Netherlands
1857MetreecsSeed$3.2MSan Francisco, United States
1858SF TensorPre-Seed$500KSan Francisco, United States
1859Ansa BiotechnologiesSeries B$46.4MEmeryville, United States
1860LilacSeed$2.5MSan Francisco, United States
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

Artificial Intelligence (AI)Life ScienceSoftware

Peer offers AI solutions for medical writing, enhancing precision and speed in the life sciences sector.

San Francisco, United States
October 2025
$12.1M
Undisclosed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)DatabaseDeveloper ToolsInformation ServicesInformation TechnologySoftware

Supabase offers an open source backend platform for app development built around a managed PostgreSQL database and tools.

San Francisco, United States
October 2025
$143.1M
Series E

Founder Contacts

30,000+ verified contacts

DevOpsInformation TechnologyNetwork SecurityOpen SourceSoftware

Pangolin provides an open-source gateway for secure access to internal applications with user-based permissions.

San Francisco, United States
October 2025
$4.7M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)AutomotiveSaaSSoftwareVirtual Assistant

Flai is an AI-powered virtual assistant platform designed for enhancing dealership operations and customer engagement.

San Francisco, United States
October 2025
$4.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ComplianceCyber SecurityEnterprise SoftwarePenetration TestingSaaS

Oneleet offers a cybersecurity platform for automated security and compliance.

Amsterdam, The Netherlands
October 2025
$33.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Machine LearningRetail Technology

Metreecs helps retailers plan and allocate products efficiently with AI forecasting, driving sales and reducing waste.

San Francisco, United States
October 2025
$3.2M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cloud ComputingMachine LearningSoftware

The San Francisco Tensor Company is reinventing the software and infrastructure stack for modern AI and HPC.

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

Founder Contacts

30,000+ verified contacts

BiotechnologyLife ScienceTherapeutics

Ansa Biotechnologies develops a novel DNA synthesis technology based on enzymes.

Emeryville, United States
October 2025
$46.4M
Series B

Founder Contacts

30,000+ verified contacts

Cloud ComputingGPUInfrastructureIT InfrastructureMachine LearningSoftware

Lilac is a Software Development firm providing an enterprise GPU cloud.

San Francisco, United States
October 2025
$2.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Blockchain

Talus Network is an innovative blockchain platform that aims to decentralize artificial intelligence.

Los Angeles, United States
September 2025
$10.0M
Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsSoftware

Actual AI analyzes productivity and engagement data to automate performance reviews for software teams.

Seattle, United States
September 2025
$3.2M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsInformation TechnologySaaSSoftware

Mohi provides a platform that analyzes and clarifies complex AI agent workflows to help optimize and troubleshoot autonomous processes.

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

Founder Contacts

30,000+ verified contacts

AnalyticsDeveloper PlatformDeveloper ToolsOpen SourceSoftware Engineering

PostHog is an open source platform that helps build successful products by providing tools to evaluate feature impact and customer value.

San Francisco, United States
September 2025
$75.0M
Series E

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BGenerative AIHuman ResourcesRecruiting

Alex AI is an autonomous recruiter that automates candidate screening and interviewing processes.

San Francisco, United States
September 2025
$17.0M
Series A

Founder Contacts

30,000+ verified contacts

AccountingArtificial Intelligence (AI)EnterpriseFinancePaymentsSoftware

Zalos creates AI tools that automate finance tasks, handle invoices, manage payments, and integrate with accounting systems.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ComplianceGovTechInformation TechnologyReal Estate Investment

Deckard Technologies provides software solutions for monitoring and ensuring compliance in short-term rental (STR) markets.

San Diego, United States
September 2025
$3.9M
Debt Financing

Founder Contacts

30,000+ verified contacts

B2BBillingSaaSSoftware

Alguna is a modern pricing, quoting and billing platform.

San Francisco, United States
September 2025
$4.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Food and BeverageInformation Technology

Burnt is building an AI Watchtower for the supply chain industry, starting with the food supply chain

San Francisco, United States
September 2025
$3.8M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)FinanceFinancial ServicesFinTech

Selfin is an AI powered bank that unifies users financial accounts and uses AI to optimize and automate money management.

London, United Kingdom
September 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

CryptocurrencyFinancial ServicesFinTechNon-Fungible Token (NFT)Prediction Markets

High risk index funds for stocks, crypto, NFTs, prediction markets, art, and more.

New York, United States
September 2025
$26.8M
Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsEnterpriseGenerative AIMachine LearningSoftware

Jarmin offers machine-learning engineering services to help companies build and deploy AI/ML systems.

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

Founder Contacts

30,000+ verified contacts

FinTech

Gullak.Money aims to create an all-inclusive ecosystem of saving which is accessible to all.

Bengaluru, India
September 2025
$7.5M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BDeveloper ToolsEnterprise SoftwareSaaSSoftware

Building the platform for companies to ship AI agents fast

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

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

Showing 1851-1875 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, Developer Tools, Information Technology, SaaS. The firm invests across 53 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Supabase received $143.1M in a Series E 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 MoBagel, Peer AI, Supabase, Pangolin, Flai. These companies were founded in 2020 or later.

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