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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
vly.ai2024SeedUndisclosedSan Francisco
Rankai2024SeedUndisclosedSan Francisco
Airbyte2021Series BUndisclosedSan Francisco
Multis2021Series AUndisclosedSan Francisco
Switchboard2021Seed$175KBurnaby
Culture Biosciences2025Series CUndisclosedSan Francisco
Miniswap2025SeedUndisclosedSan Francisco
BuildZoom2021Series BUndisclosedSan Francisco
Draft2021Venture - Series Unknown$18.9MToronto
Pirros2025Series A$15.0MLos Angeles

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

Export
#CompanyStageAmountLocation
3701vly.aiSeedUndisclosedSan Francisco, United States
3702RankaiSeedUndisclosedSan Francisco, United States
3703AirbyteSeries BUndisclosedSan Francisco, United States
3704MultisSeries AUndisclosedSan Francisco, United States
3705SwitchboardSeed$175KBurnaby, Canada
3706Culture BiosciencesSeries CUndisclosedSan Francisco, United States
3707MiniswapSeedUndisclosedSan Francisco, United States
3708BuildZoomSeries BUndisclosedSan Francisco, United States
3709DraftVenture - Series Unknown$18.9MToronto, Canada
3710PirrosSeries A$15.0MLos Angeles, United States
Software

vly.ai creates custom full-stack software without writing code and describes one's software in plain english.

San Francisco, United States
December 2024
Seed

Founder Contacts

30,000+ verified contacts

SEO

Rankai runs SEO automatically, starting with applying code fixes automatically to your site.

San Francisco, United States
December 2024
Seed

Founder Contacts

30,000+ verified contacts

AnalyticsData IntegrationGenerative AIOpen SourceProductivity Tools

Airbyte is an open-source data integration engine that helps to sync data from applications to warehouses.

San Francisco, United States
December 2021
Series B

Founder Contacts

30,000+ verified contacts

BlockchainConsultingCryptocurrencyFinancial ServicesFinTechInternetSoftwareVenture CapitalWeb3

Multis is a crypto treasury management tool designed for web3 organizations.

San Francisco, United States
December 2021
Series A

Founder Contacts

30,000+ verified contacts

Fleet ManagementSoftwareTransportation

Switchboard provides technology for commercial motor vehicle fleets across North America.

Burnaby, Canada
December 2021
$175K
Seed

Founder Contacts

30,000+ verified contacts

BiotechnologyCloud Data ServicesIndustrial AutomationRobotics

Culture Biosciences provides automated systems for bioprocess development that help optimize biological products and processes.

San Francisco, United States
December 2025
Series C

Founder Contacts

30,000+ verified contacts

ConsumerGamingMarketplaceOnline PortalsToys

Miniswap offers a marketplace for tabletop wargaming miniatures.

San Francisco, United States
December 2025
Seed

Founder Contacts

30,000+ verified contacts

ConstructionHome ImprovementHome RenovationSmart BuildingSmart Home

Buildzoom is a construction project consultancy that provides building renovation services using data and analysis processes.

San Francisco, United States
December 2021
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Digital MarketingMarketingMarketing AutomationSEO

Draft is a marketing company that provides content marketing, social media content, SEO, and content writing services.

Toronto, Canada
December 2021
$18.9M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

ArchitectureCivil EngineeringConstructionReal Estate

Pirros is a detail management system for architects and engineers.

Los Angeles, United States
December 2025
$15.0M
Series A

Founder Contacts

30,000+ verified contacts

GamingInformation TechnologyInternetMarketplaceSoftware

High-quality PC games in the browser

San Francisco, United States
December 2025
$3.8M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)SoftwareWeb Development

NavierAI develops artificial intelligence software that accelerates engineering simulations and design workflows.

San Francisco, United States
December 2025
$5.6M
Seed

Founder Contacts

30,000+ verified contacts

BankingCredit CardsFinancial ServicesFinTechPayments

Jeeves is a global finance platform that saves businesses time & money by simplifying their financial operations.

Miami, United States
December 2025
Debt Financing

Founder Contacts

30,000+ verified contacts

FamilyFilm ProductionPodcastVideo on Demand

Artifact helps capture important memories with ease by creating personal podcasts with the people of customers choice.

San Francisco, United States
December 2022
Seed

Founder Contacts

30,000+ verified contacts

CryptocurrencyMusic

Enabling fans to support musicians through NFTs

San Francisco, United States
December 2022
$3.5M
Seed

Founder Contacts

30,000+ verified contacts

E-CommerceFurnitureHome DecorInterior DesignSubscription Service

Pabio is a rent-to-own furniture company that offers personalized interior design services.

Bern, Switzerland
December 2021
$2.2M
Seed

Founder Contacts

30,000+ verified contacts

AnalyticsCloud ComputingCloud InfrastructureCloud ManagementData VisualizationSaaSSoftware

Cloudthread is a cloud cost observability platform to eliminate cloud waste, track savings, engage engineers, and activate Cloud FinOps

San Francisco, United States
December 2021
Seed

Founder Contacts

30,000+ verified contacts

ComplianceDocument ManagementFinTechLegal TechSaaS

Frictionless compliance.

Buenos Aires, Argentina
December 2022
$2.6M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)FitnessHealth CareWearablesWellness

Bellabeat creates beautiful, innovative products that help women easily track their overall health and wellness.

San Francisco, United States
December 2021
Secondary Market

Founder Contacts

30,000+ verified contacts

Developer ToolsInformation TechnologyInternetProductivity ToolsSoftware

Codex is a devtool that enables just in time documentation for deep collaboration.

Toronto, Canada
December 2021
$5.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)CRMFreelanceGraphic DesignInformation TechnologyWeb Design

Superside is an always-on design company that delivers great design at scale to Enterprise teams.

Palo Alto, United States
December 2021
Series A

Founder Contacts

30,000+ verified contacts

Health CareHealth InsuranceHome Health CarePharmaceuticalTherapeutics

Ophelia offers medication and support for quitting opioids.

New York, United States
December 2021
Series B

Founder Contacts

30,000+ verified contacts

3D TechnologyAugmented RealitySoftwareTraining

Scope AR develops augmented reality solutions.

San Francisco, United States
December 2022
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

BitcoinConsumer LendingCryptocurrencyDecentralized Finance (DeFi)LendingWeb3

Finterest operates a web3 and decentralized finance financial platform.

Eastpointe, United States
December 2022
$1.5M
Seed

Founder Contacts

30,000+ verified contacts

Big DataBlockchainCloud ComputingFinancial ServicesFinTechSoftware

Providing usage transparency in the market data industry.

Chicago, United States
December 2021
$2.3M
Seed

Founder Contacts

30,000+ verified contacts

Showing 3701-3725 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, FinTech, Artificial Intelligence (AI), Cryptocurrency, Financial Services. The firm invests across 82 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Draft received $18.9M in a Venture - Series Unknown 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 vly.ai, Rankai, Airbyte, Multis, Switchboard. These companies were founded in 2020 or later.

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