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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
$25.5B
Average Investment
$9.2M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Common Paper2023Venture - Series Unknown$500KPhiladelphia
Viddy2023Pre-Seed$500KNew York
Magicflow2023Pre-Seed$500KSan Francisco
Linum2023Seed$500KSan Francisco
Cardinal2023Pre-Seed$500KAustin
Interlock2023Pre-Seed$500KSan Francisco
Fairway Health2023Pre-Seed$500KNew York
Gluetrail2023Pre-Seed$500KSan Francisco
LinkGrep2023Pre-Seed$500KSan Francisco
Cloudchipr2023Pre-Seed$500KWilmington

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

Export
#CompanyStageAmountLocation
3301Common PaperVenture - Series Unknown$500KPhiladelphia, United States
3302ViddyPre-Seed$500KNew York, United States
3303MagicflowPre-Seed$500KSan Francisco, United States
3304LinumSeed$500KSan Francisco, United States
3305CardinalPre-Seed$500KAustin, United States
3306InterlockPre-Seed$500KSan Francisco, United States
3307Fairway HealthPre-Seed$500KNew York, United States
3308GluetrailPre-Seed$500KSan Francisco, United States
3309LinkGrepPre-Seed$500KSan Francisco, United States
3310CloudchiprPre-Seed$500KWilmington, United States
Information TechnologyLegal TechSoftware

Common Paper develops contract collaboration software to improve the process of commercial contracting.

Philadelphia, United States
April 2023
$500K
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

E-Commerce PlatformsSoftware

Viddy enables e-commerce brands to increase conversion rates and engagement by adding shoppable and interactive video experiences.

New York, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsMachine Learning

Magicflow is a no-code, drag-and-drop tool for building AI workflows.

San Francisco, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

AnimationSoftwareVideo

Linum is a creative platform which allows everyone to make animated videos.

San Francisco, United States
April 2023
$500K
Seed

Founder Contacts

30,000+ verified contacts

Software

Cardinal is the system of record for product teams, allowing them to develop the correct items and fulfil data-driven goals.

Austin, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Lead GenerationReal TimeSaaSSearch Engine

Interlock is still in stealth mode.

San Francisco, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Health CareInformation Technology

Fairway Health provides AI-powered solutions for health insurers to manage the prior authorization process.

New York, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

AnalyticsB2BInformation TechnologyPredictive Analytics

Gluetrail is a revenue intelligence platform that provides revenue planning for B2B companies.

San Francisco, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologySoftware

LinkGrep is an AI browser copilot that makes the browser team friendly.

San Francisco, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

AnalyticsSaaS

Cloudchipr is a cloud cost management and analytics platform.

Wilmington, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Health CareSchedulingSoftware

Untether Labs is a scheduling software that offers workforce management solutions for healthcare industries.

San Francisco, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

B2BSalesSoftware

Fabius analyzes customer calls with AI to help sales leaders improve their reps' performance.

San Francisco, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

B2BDeveloper ToolsInfrastructureSoftwareWeb Development

Cakework enables you to create serverless long-running tasks without the need for infrastructure management.

Seattle, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Data ManagementData VisualizationInfrastructure

Turntable develops a data discovery and visualization platform to create and manage data pipelines.

New York, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

MarketingMarketplace

1stCollab is a network that connects brands and creators.

San Francisco, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

ConstructionInformation ServicesInternet

Hammr is a platform for the construction industry that provides time tracking, payroll, benefits, and compliance.

San Francisco, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Developer ToolsInformation TechnologySaaSSoftware

IcePanel is a SaaS tool for tech teams to collaborate on their software architecture design.

Vancouver, Canada
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

CRMMarketingPoint of Sale

FlexWash Technologies is a car wash operating system that provides POS, CRM, SMS marketing, and proactive maintenance services.

Temecula, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

E-LearningEdTechTraining

GoodCourse is the mobile-first micro-learning platform, making e-learning accessible for non-desk workers and other remote audiences.

London, United Kingdom
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

CryptocurrencyFinancial ServicesFinTechInformation Technology

Littio offers financial systems for emerging economies.

San Francisco, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Property ManagementReal EstateTelecommunications

Haven is the AI Agent platform for property management.

New York, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)FinTechNatural Language ProcessingSoftware

AI-Based Candidate Identification for the C-Suite

San Francisco, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

B2BDocument ManagementFile SharingInformation TechnologyProductivity ToolsSoftware

Document collection made easy, organized, and secure

New York, United States
April 2023
$3.5M
Seed

Founder Contacts

30,000+ verified contacts

Developer APIsFinTechInformation Technology

Mercoa is a bill pay and accounts payable API for B2B fintech.

San Francisco, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Cloud InfrastructureMachine LearningSoftware

pyq is a lightweight, low-code ML solution that can help quickly and cheaply bring your machine learning to production.

San Francisco, United States
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Showing 3301-3325 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 Software, Information Technology, Artificial Intelligence (AI), B2B, Developer Tools. The firm invests across 45 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Pigeon received $3.5M in a Seed round. Y Combinator's total known invested capital is $25.5B.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $9.2M across its portfolio of 7,960 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include Common Paper, Viddy, Magicflow, Linum, Cardinal. These companies were founded in 2020 or later.

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