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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
Venta2025Pre-Seed$2.0MMunich
GrowthBook2025Series A$22.6MAnaheim
Planisphere2025Pre-Seed$600KSan Francisco
Cekura AI2025Seed$2.4MSan Francisco
Nottelabs2025Pre-Seed$2.5MSan Francisco
Flott HQ2025SeedUndisclosedSan Francisco
Rocketable2025Seed$6.5MSan Francisco
Interfere2025Seed$5.1MNew York
Sagekit2025Pre-Seed$500KSan Francisco
Pally2025Pre-Seed$1.1MSan Francisco

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

Export
#CompanyStageAmountLocation
2126VentaPre-Seed$2.0MMunich, Germany
2127GrowthBookSeries A$22.6MAnaheim, United States
2128PlanispherePre-Seed$600KSan Francisco, United States
2129Cekura AISeed$2.4MSan Francisco, United States
2130NottelabsPre-Seed$2.5MSan Francisco, United States
2131Flott HQSeedUndisclosedSan Francisco, United States
2132RocketableSeed$6.5MSan Francisco, United States
2133InterfereSeed$5.1MNew York, United States
2134SagekitPre-Seed$500KSan Francisco, United States
2135PallyPre-Seed$1.1MSan Francisco, United States
B2BLead GenerationSaaSSales AutomationSales EnablementSoftware

Venta is an AI-worker for highly targeted outreach in Germany

Munich, Germany
July 2025
$2.0M
Pre-Seed

Founder Contacts

30,000+ verified contacts

A/B TestingB2BDeveloper ToolsSoftwareTest and Measurement

GrowthBook is an open source feature flagging and experimentation platform

Anaheim, United States
July 2025
$22.6M
Series A

Founder Contacts

30,000+ verified contacts

Commercial Real EstateEnterprise SoftwarePropTechReal Estate Investment

Automate the acquisitions workflow for real-estate private-equity funds

San Francisco, United States
July 2025
$600K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BDeveloper ToolsSaaS

Cekura AI is an AI based Software Development firm offering Developer Tool to observe and test AI voice agents.

San Francisco, United States
July 2025
$2.4M
Seed

Founder Contacts

30,000+ verified contacts

Information TechnologyOpen SourceSoftware

Building internet infrastructure for web agents

San Francisco, United States
July 2025
$2.5M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)LogisticsTransportation

Flott HQ is a AI powerede fleet management company that allows logistic companies to manage operations.

San Francisco, United States
July 2025
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)SoftwareSoftware Engineering

Rocketable is a software holding company that acquires existing software products and operates them using AI agents.

San Francisco, United States
July 2025
$6.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsProduct DesignSoftware

The self-healing layer of the internet

New York, United States
July 2025
$5.1M
Seed

Founder Contacts

30,000+ verified contacts

Software

Meet Sage - your automation engineer

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Consumer SoftwareProductivity ToolsSocial CRM

Pally is an AI-native relationship intelligence app.

San Francisco, United States
June 2025
$1.1M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Machine LearningRoboticsSoftware

Avawatz specializes in autonomous robotic teaming solutions using machine learning and physics-based algorithmic technologies.

Addison, United States
June 2025
$741K
Seed

Founder Contacts

30,000+ verified contacts

Developer PlatformDeveloper ToolsInternetSaaSWeb AppsWeb BrowsersWeb Development

Same is a SaaS company that offers a software platform for non-coders to build real products, websites and apps online.

San Francisco, United States
June 2025
$13.6M
Series Unknown

Founder Contacts

30,000+ verified contacts

AgTechFood and BeverageNutritionOrganic Food

Eggoz is a consumer egg brand offering fresh, antibiotic-free eggs through a tech-driven, farmer-first supply chain model.

Gurgaon, India
June 2025
$20.0M
Series C

Founder Contacts

30,000+ verified contacts

AerospaceDrone ManagementDronesSoftwareTransportation

Skyways designs and manufactures long-range autonomous unmanned cargo aircraft systems for logistics and operational efficiency.

Austin, United States
June 2025
$5.0M
Debt Financing

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechProductivity ToolsSmall and Medium BusinessesWealth Management

Kapital is a financial institution offering bank accounts, investments, and credit products for individuals.

Mexico City, Mexico
June 2025
$100.0M
Series C

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)IndustrialIndustrial AutomationIndustrial ManufacturingMachine LearningMachinery ManufacturingManufacturing

Atomic Industries is a computational manufacturing company building an AI-powered tool and die maker.

Warren, United States
June 2025
$25.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Health CareHealth InsuranceMedicalSaaS

Avelis Health uses AI that eliminates medical bills and fights insurance denials.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information ServicesMachine Learning

LanceDB is a developer friendly, open source database for multi-modal AI.

San Francisco, United States
June 2025
$30.0M
Series A

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CarePharmaceuticalTherapeutics

48Hour Discovery is involved in peptide-based drug discovery services.

Edmonton, Canada
June 2025
$837K
Debt Financing

Founder Contacts

30,000+ verified contacts

Human ResourcesInformation TechnologySaaS

Haystack is an employee experience platform that connects the company's communication, knowledge, and people to a single platform.

Los Angeles, United States
June 2025
Private Equity

Founder Contacts

30,000+ verified contacts

Developer ToolsSecuritySoftware

Better Auth provides tools for developers to simplify how developers manage user authentication.

San Francisco, United States
June 2025
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

Data IntegrationDeveloper APIsInternet of ThingsReal EstateSmart Building

Mapped automates the discovery, extraction, and normalization of data from building systems, sensors, devices, and vendor APIs.

El Segundo, United States
June 2025
$2.5M
Series A

Founder Contacts

30,000+ verified contacts

BlockchainCryptocurrencyDecentralized Finance (DeFi)Web3

Stackup helps businesses manage their crypto assets.

Culver City, United States
June 2025
$4.2M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BFinTechHuman Resources

Warp is an employee management platform that runs itself, designed for ambitious companies.

New York, United States
June 2025
$18.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Health CareMedicalSoftware

Tennr is a healthcare AI startup that provides an automation platform for medical documents.

New York, United States
June 2025
$101.0M
Series C

Founder Contacts

30,000+ verified contacts

Showing 2126-2150 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, SaaS, Developer Tools, B2B. The firm invests across 64 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Tennr received $101.0M in a Series C 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 Venta, GrowthBook, Planisphere, Cekura AI, Nottelabs. These companies were founded in 2020 or later.

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