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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
Surface Labs2023Pre-Seed$500KSan Francisco
Inlet2023Pre-Seed$500KSan Francisco
Metalware2023Seed$3.0MSan Francisco
VetRec2023Pre-Seed$500KSeattle
CandorIQ2023Seed$4.8MSan Francisco
EasyCode2023Pre-Seed$1.3MToronto
Cleancard2023Pre-Seed$5.0MLondon
Agave2023Seed$2.9MSan Francisco
Tavus2023Series A$18.0MSan Francisco
Weekday2023Seed$2.2MSan Francisco

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

Export
#CompanyStageAmountLocation
3151Surface LabsPre-Seed$500KSan Francisco, United States
3152InletPre-Seed$500KSan Francisco, United States
3153MetalwareSeed$3.0MSan Francisco, United States
3154VetRecPre-Seed$500KSeattle, United States
3155CandorIQSeed$4.8MSan Francisco, United States
3156EasyCodePre-Seed$1.3MToronto, Canada
3157CleancardPre-Seed$5.0MLondon, United Kingdom
3158AgaveSeed$2.9MSan Francisco, United States
3159TavusSeries A$18.0MSan Francisco, United States
3160WeekdaySeed$2.2MSan Francisco, United States
SalesSales AutomationSoftware

Surface Labs is an AI based software that help firms in converting the lead to customers.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Data IntegrationDeveloper ToolsEnterprise Software

Inlet provides operations work based development platform that helps to create efficient automation for your business.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BDeveloper ToolsHardwareSaaSSoftware

Metalware develops advanced firmware security solutions for critical infrastructure.

San Francisco, United States
September 2023
$3.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)SoftwareVeterinary

VetRec is an AI based clinical notes taking software for for veterinarians.

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

Founder Contacts

30,000+ verified contacts

FinTechHuman ResourcesInformation TechnologySoftware

Compensation & Headcount Planning, powered by AI

San Francisco, United States
September 2023
$4.8M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyInternetSoftware

EasyCode is a GPT-4 powered AI that understands developer context.

Toronto, Canada
September 2023
$1.3M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Health CareHealth Diagnostics

We are combining synthetic biology and artificial intelligence to make cancer screening as easy as a pregnancy test.

London, United Kingdom
September 2023
$5.0M
Pre-Seed

Founder Contacts

30,000+ verified contacts

B2BConstructionDeveloper APIsSaaSSoftware

Agave provides a unified API for data access across various construction software platforms.

San Francisco, United States
August 2023
$2.9M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer PlatformGenerative AISoftwareVideo

Tavus provides foundational video models for digital twins, as an API.

San Francisco, United States
August 2023
$18.0M
Series A

Founder Contacts

30,000+ verified contacts

Human ResourcesInformation TechnologyRecruiting

Weekday provides hiring solutions for startups.

San Francisco, United States
August 2023
$2.2M
Seed

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyHealth CareLife Science

ExcepGen is solving fundamental underlying problems in drug discovery to create a new generation of therapeutics.

San Francisco, United States
August 2023
$4.0M
Seed

Founder Contacts

30,000+ verified contacts

Machine LearningSoftwareSoftware Engineering

Build data apps with AI

San Francisco, United States
August 2023
$500K
Seed

Founder Contacts

30,000+ verified contacts

AppsMedicalSchedulingTherapeutics

Shasta Health is a physical therapy center that offers patient acquisition, billing, care plans, and other care facilities.

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

Founder Contacts

30,000+ verified contacts

Cloud ComputingCloud InfrastructureCloud ManagementDeveloper ToolsDevOps

Massdriver is an internal development platform that empowers engineers to deploy production-ready infrastructure.

Los Angeles, United States
August 2023
$8.0M
Angel

Founder Contacts

30,000+ verified contacts

AerospaceRobotics

HEO Robotics provides Space Situational Awareness (SSA) and asteroid prospecting services using nanosatellites deployed in high Earth orbit.

Sydney, Australia
August 2023
$7.7M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)FinanceFinancial Services

Arkifi is an artificial intelligence company that develops AI-powered financial analyst tools.

Palo Alto, United States
August 2023
$9.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Customer ServiceLocal BusinessSmall and Medium BusinessesSoftware

Turning missed calls into bookings for small businesses

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

Founder Contacts

30,000+ verified contacts

Developer ToolsOpen SourceSoftware

Highlight is an open-source and full-stack monitoring platform.

San Francisco, United States
August 2023
$8.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)E-CommerceE-Commerce PlatformsManufacturingService IndustrySoftwareSupply Chain Management

Your e-commerce brand's product quality control department.

New York, United States
August 2023
$1.7M
Seed

Founder Contacts

30,000+ verified contacts

Cloud ComputingCloud InfrastructureCloud ManagementDevOpsSaaSSoftware

Full-stack AI observability platform to detect and fix the issue automatically

San Francisco, United States
August 2023
$6.5M
Seed

Founder Contacts

30,000+ verified contacts

Developer PlatformDeveloper ToolsInformation TechnologyProductivity ToolsSaaSSoftware

Manage incidents directly in Slack. Trusted by leading companies like Canva, Ford, Grammarly, Flickr, and more.

San Francisco, United States
August 2023
$12.0M
Series A

Founder Contacts

30,000+ verified contacts

Health CareMental HealthMobile AppsPersonal HealthTherapeutics

Daybreak Health specializes in providing online counseling services, especially for teens, helping to stabilize their mental fitness.

San Francisco, United States
August 2023
$13.0M
Series B

Founder Contacts

30,000+ verified contacts

DatabaseMachine LearningOpen SourcePredictive AnalyticsSoftware

MindsDB is an open-source platform that enables developers to integrate machine learning into applications.

Berkeley, United States
August 2023
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)E-LearningEdTechEducationSaaS

Studdy is an AI-based tutoring platform that assists students in learning various subjects in the school curriculum.

San Francisco, United States
August 2023
$2.3M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Data Collection and LabelingInformation TechnologyProductivity Tools

Datasaur develops productive tools that design for data labelling needs.

Sunnyvale, United States
August 2023
$4.0M
Seed

Founder Contacts

30,000+ verified contacts

Showing 3151-3175 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), Developer Tools, SaaS, Information Technology. The firm invests across 59 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Tavus received $18.0M 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 Surface Labs, Inlet, Metalware, VetRec, CandorIQ. These companies were founded in 2020 or later.

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