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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
$41.0B
Average Investment
$7.2M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Barte2024Series A$8.0MSão Paulo
Ultrawatt2024Seed$2.2MLyon
Humaans2022Series AUndisclosedLondon
AllTheRooms2022Venture - Series Unknown$750KManhattan
Ladder2021Series D$100.0MPalo Alto
Zazos2021SeedUndisclosedSão Paulo
kapa.ai2024SeedUndisclosedDover
Boost2023Venture - Series UnknownUndisclosedNew York
Green Graphite Technologies2023Seed$1.5MMontreal
Spine AI2023SeedUndisclosedSan Francisco

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

Export
#CompanyStageAmountLocation
4101BarteSeries A$8.0MSão Paulo, Brazil
4102UltrawattSeed$2.2MLyon, France
4103HumaansSeries AUndisclosedLondon, United Kingdom
4104AllTheRoomsVenture - Series Unknown$750KManhattan, United States
4105LadderSeries D$100.0MPalo Alto, United States
4106ZazosSeedUndisclosedSão Paulo, Brazil
4107kapa.aiSeedUndisclosedDover, United States
4108BoostVenture - Series UnknownUndisclosedNew York, United States
4109Green Graphite TechnologiesSeed$1.5MMontreal, Canada
4110Spine AISeedUndisclosedSan Francisco, United States
Financial ServicesFinTechPayments

Barte is a B2B online payments platform that allows users to send and accept payments to automate payment procedures.

São Paulo, Brazil
October 2024
$8.0M
Series A

Founder Contacts

30,000+ verified contacts

ArchitectureConstruction

Ultrawatt is a mission-driven startup to improve urban architecture while making a beneficial social and environmental effect.

Lyon, France
October 2024
$2.2M
Seed

Founder Contacts

30,000+ verified contacts

Agentic AIArtificial Intelligence (AI)B2BHuman ResourcesInternetSoftware

Humaans provides an HRIS platform that helps businesses manage employee data, onboarding, workflows, and the complete employee lifecycle.

London, United Kingdom
October 2022
Series A

Founder Contacts

30,000+ verified contacts

Adventure TravelLeisureSearch EngineTourismTravel

AllTheRooms is a metasearch platform that helps in finding and finalizing hotel accommodations.

Manhattan, United States
October 2022
$750K
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechInsuranceInsurTechLife Insurance

Ladder is a digital life insurance company that offers flexible term coverage in minutes saving policyholders up to 40%.

Palo Alto, United States
October 2021
$100.0M
Series D

Founder Contacts

30,000+ verified contacts

B2BHuman ResourcesSaaSSoftware

Zazos unifies people processes in one place. Use built-in apps, customize them, or create your own with no-code.

São Paulo, Brazil
October 2021
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ChatbotSoftware

kapa.ai answers developer questions automatically from the technical resources to generate an LLM-powered chatbot.

Dover, United States
October 2024
Seed

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechInsuranceInsurTech

Boost’s API-driven infrastructure makes it easy for any company to increase customer value by offering embedded insurance.

New York, United States
October 2023
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

BatteryChemicalManufacturing

Green Graphite Technologies develops a cleaner process to purify graphites for electric vehicles.

Montreal, Canada
October 2023
$1.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)SaaSWeb Development

Spine AI helps companies build and maintain, reliable and effective AI copilots for their products.

San Francisco, United States
October 2023
Seed

Founder Contacts

30,000+ verified contacts

BlockchainGamingInfrastructureOnline GamesVideo GamesWeb3

Sequence is a blockchain infrastructure company that makes web3 easy, fun, and accessible for users and builders.

Toronto, Canada
October 2022
$40.0M
Series A

Founder Contacts

30,000+ verified contacts

CRMFinancial ServicesPayments

WeReno is an AI platform for construction, renovation, and property maintenance.

San Francisco, United States
October 2022
$2.3M
Pre-Seed

Founder Contacts

30,000+ verified contacts

AnalyticsBig DataCloud Data ServicesDatabaseEnterprise SoftwareReal TimeSoftware

SingleStore is a provider of a database for operational analytics and cloud-native applications.

San Francisco, United States
October 2022
Series F

Founder Contacts

30,000+ verified contacts

Auto InsuranceFinancial ServicesInsuranceInsurTech

Clearcover is a digital car insurance provider offering coverage for less money.

Chicago, United States
October 2025
$25.0M
Undisclosed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)BiotechnologyTherapeutics

1910 Genetics is a biotechnology company integrating AI, computation, and biological automation to improve drug development.

Boston, United States
October 2024
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

ConsultingCustomer ServiceLegal

Boundless Immigration simplifies immigration for individuals, families, and businesses with innovative software and legal guidance.

Seattle, United States
October 2024
Series C

Founder Contacts

30,000+ verified contacts

Agentic AIChatbotConsumer ReviewsMessagingSaaSSoftwareVirtual Assistant

Podium designs and develops an AI-powered lead generation and management platform that helps to interact and convert more leads.

Lehi, United States
October 2022
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

SaaS

MagicBell is the notification inbox for web and mobile apps.

San Francisco, United States
October 2021
Seed

Founder Contacts

30,000+ verified contacts

AerospaceAutonomous VehiclesManufacturing

Airhart Aeronautics creates semi-autonomous airplanes that make it easier for pilots to operate their own planes.

San Francisco, United States
October 2025
$4.6M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Consumer ElectronicsDigital MediaInformation TechnologySoftwareVideoVideo Streaming

Bitmovin is a multimedia technology company providing adaptive streaming video infrastructure for global digital media companies.

San Francisco, United States
October 2024
Debt Financing

Founder Contacts

30,000+ verified contacts

DentalHealth DiagnosticsMedical Device

Futura Labs is a digital dental lab modernizing clinics with tech-driven orthodontics and prosthetics across Latin America.

Mexico City, Mexico
October 2023
$7.0M
Series A

Founder Contacts

30,000+ verified contacts

Information Technology

Fibracast is the innovator of FibrePlate™, the next generation in MBR technology.

Hannon, Canada
October 2023
$32.2M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

AnalyticsMachine LearningPrivacySoftware

Privacy preserving analytics & machine learning

Paris, France
October 2023
Grant

Founder Contacts

30,000+ verified contacts

AppsInternet

Flox is an app to help friend groups meet each other.

New York, United States
October 2021
$1.2M
Seed

Founder Contacts

30,000+ verified contacts

ConstructionMarketplace

Oico is a B2B marketplace for construction materials in Brazil.

São Paulo, Brazil
October 2021
$5.5M
Seed

Founder Contacts

30,000+ verified contacts

Showing 4101-4125 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, Financial Services, Artificial Intelligence (AI), SaaS, FinTech. The firm invests across 61 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Ladder received $100.0M in a Series D round. Y Combinator's total known invested capital is $41.0B.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $7.2M across its portfolio of 7,960 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include Barte, Ultrawatt, Humaans, AllTheRooms, Ladder. These companies were founded in 2020 or later.

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