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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
Mytos2023Series A$19.0MLondon
Trackstar2023Seed$2.6MNew York
Vimcal2023Seed$4.5MSan Francisco
Defog2023Seed$2.2MSan Francisco
Osium AI2023Seed$2.6MParis
Hapi App2023Seed$1.6MDelaware City
CREATESAFE2023Seed$4.6MLos Angeles
dealcloser Inc.2023Venture - Series Unknown$3.1MEdmonton
Magic2023Venture - Series UnknownUndisclosedSan Francisco
Cyble2023Series B$6.2MCupertino

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

Export
#CompanyStageAmountLocation
3026MytosSeries A$19.0MLondon, United Kingdom
3027TrackstarSeed$2.6MNew York, United States
3028VimcalSeed$4.5MSan Francisco, United States
3029DefogSeed$2.2MSan Francisco, United States
3030Osium AISeed$2.6MParis, France
3031Hapi AppSeed$1.6MDelaware City, United States
3032CREATESAFESeed$4.6MLos Angeles, United States
3033dealcloser Inc.Venture - Series Unknown$3.1MEdmonton, Canada
3034MagicVenture - Series UnknownUndisclosedSan Francisco, United States
3035CybleSeries B$6.2MCupertino, United States
BiotechnologyHardwareManufacturing

Mytos is building a fully-automated cell manufacture platform for Pharma

London, United Kingdom
November 2023
$19.0M
Series A

Founder Contacts

30,000+ verified contacts

Data IntegrationDeveloper APIsLogisticsSoftware

Trackstar is an API for warehouse management systems that integrates and maintains data across various WMSs.

New York, United States
November 2023
$2.6M
Seed

Founder Contacts

30,000+ verified contacts

AppsArtificial Intelligence (AI)iOS

Vimcal is a calendar app that serves as an exective assistant.

San Francisco, United States
November 2023
$4.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsInformation TechnologyMachine Learning

Defog is a natural language data query platform that allows users to ask free-form data questions through large language models.

San Francisco, United States
November 2023
$2.2M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ChemicalSoftware

Osium AI revolutionize materials development cycles through AI-driven methodologies.

Paris, France
November 2023
$2.6M
Seed

Founder Contacts

30,000+ verified contacts

FinTechStock ExchangesTrading Platform

Hapi is a stock trading app with zero commission and no minimums focused in Latam.

Delaware City, United States
November 2023
$1.6M
Seed

Founder Contacts

30,000+ verified contacts

MusicProject Management

CREATESAFE is a platform for creators to create, manage, and grow their music business.

Los Angeles, United States
November 2023
$4.6M
Seed

Founder Contacts

30,000+ verified contacts

Information TechnologyLegalSoftware

Dealcloser is a transaction management hub for legal professionals.

Edmonton, Canada
November 2023
$3.1M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

AppsArtificial Intelligence (AI)B2BCustomer ServiceMessagingMobileOutsourcingTask ManagementVirtual Assistant

Personal and executive assistant service

San Francisco, United States
November 2023
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cloud SecurityCyber SecurityRisk ManagementSoftware

Cyble is a leading AI-powered threat intelligence company offering comprehensive coverage of adversaries, exposure, weaknesses, and targets.

Cupertino, United States
November 2023
$6.2M
Series B

Founder Contacts

30,000+ verified contacts

Software

The leading open-source AI code assistant

San Francisco, United States
November 2023
$5.1M
Seed

Founder Contacts

30,000+ verified contacts

AppsDeveloper APIsHealth CareInternetSoftware

Morf Health is a health tech platform that helps digital healthcare companies to collect patient information.

San Francisco, United States
November 2023
$3.0M
Seed

Founder Contacts

30,000+ verified contacts

B2BProductivity ToolsSoftware

Join Zoom meetings in one click

Sacramento, United States
November 2023
$2.1M
Seed

Founder Contacts

30,000+ verified contacts

E-CommerceFashionShoppingTelecommunications

Ole is an online shopping application for clothes.

Tel Aviv, Israel
November 2023
$1.5M
Seed

Founder Contacts

30,000+ verified contacts

Cloud ComputingGraphic DesignSoftware

The world's first lag-free, collaborative video editor in the cloud.

Boston, United States
November 2023
$7.1M
Seed

Founder Contacts

30,000+ verified contacts

BlockchainCryptocurrencyFinancial ServicesFinTech

Kresko is building is an open platform for synthetic stocks, commodities, and crypto.

Ontario, United States
November 2023
$1.8M
Seed

Founder Contacts

30,000+ verified contacts

BeautyE-CommercePersonalizationSubscription Service

Scentbird enables its users to choose and get supply of sample designer fragrances on a monthly basis before buying them.

New York, United States
November 2023
$820K
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsSaaS

Open source observability & analytics for LLM apps

Berlin, Germany
November 2023
$4.0M
Seed

Founder Contacts

30,000+ verified contacts

Project ManagementSolar

Workflow software for solar & energy contractors

San Francisco, United States
November 2023
$4.0M
Seed

Founder Contacts

30,000+ verified contacts

GovTechMarket ResearchSaaSSales Automation

Govly is building a market network for government contracting, like AngelList for government procurement.

Denver, United States
November 2023
$9.5M
Series A

Founder Contacts

30,000+ verified contacts

Content CreatorsE-CommerceInformation TechnologyInternetPeer to PeerSocial Media

Beacons offers a platform for content creators to monetize their audience through different tools and services.

San Francisco, United States
November 2023
$23.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsSoftware

Sweep is an AI coding assistant for JetBrains

San Francisco, United States
November 2023
$2.0M
Seed

Founder Contacts

30,000+ verified contacts

BiotechnologyGeneticsHealth DiagnosticsMedical

Probably Genetic helps rare genetic disease patients.

San Francisco, United States
November 2023
$10.7M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Computer VisionMachine LearningSecuritySensor

Ambient.ai provides a security platform that applies AI to existing camera infrastructure to sensor and prevent incidents.

San Jose, United States
October 2023
$20.0M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Cloud ComputingOperating SystemsPaaS

ProjectX is reimagining the future of computing with the first it's kind web-based compute platform "Infinity".

San Francisco, United States
March 2026
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Showing 3026-3050 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, Artificial Intelligence (AI), Apps, Developer Tools, Information Technology. The firm invests across 61 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Beacons received $23.0M in a Series A 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 Mytos, Trackstar, Vimcal, Defog, Osium AI. These companies were founded in 2020 or later.

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