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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
6,839
Total Invested
$43.6B
Average Investment
$11.4M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Reworkd2024SeedUndisclosedSan Francisco
Paces2024Series AUndisclosedBrooklyn
Frame AI (acquired by HubSpot)2024Convertible NoteUndisclosedNew York
Matterport2021Post-IPO EquityUndisclosedSunnyvale
Lombard2024SeedUndisclosedSydney
Sunstone Therapies2024Venture - Series UnknownUndisclosedRockville
Prodigal2021Series AUndisclosedMountain View
Nobell Foods2021Series BUndisclosedSan Francisco
Treble.ai2022Series AUndisclosedSeattle
Valora2021Series AUndisclosedSan Francisco

Complete List of Y Combinator Portfolio Companies (6,839)

Export
#CompanyStageAmountLocation
251ReworkdSeedUndisclosedSan Francisco, United States
252PacesSeries AUndisclosedBrooklyn, United States
253Frame AI (acquired by HubSpot)Convertible NoteUndisclosedNew York, United States
254MatterportPost-IPO EquityUndisclosedSunnyvale, United States
255LombardSeedUndisclosedSydney, Australia
256Sunstone TherapiesVenture - Series UnknownUndisclosedRockville, United States
257ProdigalSeries AUndisclosedMountain View, United States
258Nobell FoodsSeries BUndisclosedSan Francisco, United States
259Treble.aiSeries AUndisclosedSeattle, United States
260ValoraSeries AUndisclosedSan Francisco, United States
Agentic AIArtificial Intelligence (AI)Data Center AutomationSoftware

Reworkd is an AI-driven automation platform that allows for the automation of business processing workflows to achieve outcomes.

San Francisco, United States
July 2024
Seed

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)BatteryData CenterPropTechSolar

Agentic AI for Power Projects and AI Infrastructure

Brooklyn, United States
July 2024
Series A

Founder Contacts

19,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Customer ServiceMachine LearningNatural Language Processing

A Streaming Generative AI Platform that continuously finds meaning and recommended action in unstructured conversation data.

New York, United States
July 2024
Convertible Note

Founder Contacts

19,000+ verified contacts

3D TechnologyCloud ComputingConstructionData VisualizationGeospatialPropTechVirtual Reality

Matterport digitizes spaces into accurate, immersive 3D digital twins with its all-in-one platform.

Sunnyvale, United States
July 2021
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

BitcoinBlockchainDecentralized Finance (DeFi)FinanceInformation TechnologyInternet

Lombard unlock Bitcoin's potential as a dynamic financial tool

Sydney, Australia
July 2024
Seed

Founder Contacts

19,000+ verified contacts

Health CareMedicalTherapeutics

Sunstone Therapies focuses on the research and commercial delivery of psychedelic therapies for cancer patients.

Rockville, United States
July 2024
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Consumer LendingFinanceMachine LearningNatural Language ProcessingSaaSSoftware

Agentic AI platform purpose-built for consumer finance, and trained on half a billion interactions across loan servicing and collections.

Mountain View, United States
July 2021
Series A

Founder Contacts

19,000+ verified contacts

Food and BeverageFood ProcessingNutrition

Nobell Foods uses plants to create innovative animal-based food substitutes.

San Francisco, United States
July 2021
Series B

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Marketing AutomationSaaSSoftware

Treble.ai is a software company that links businesses with mobile-first users worldwide.

Seattle, United States
July 2022
Series A

Founder Contacts

19,000+ verified contacts

BlockchainFinancial ServicesFinTechMobile PaymentsWeb3

Valora is a mobile wallet that allows you to send, save, and spend crypto as easily as sending a text

San Francisco, United States
July 2021
Series A

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedicalTherapeutics

Atom Bioworks is a developer of a pattern-recognition enabled sensing and therapeutics platform designed to help in medical.

Cary, United States
July 2022
Grant

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyHealth Care

Seed develops clinically-studied probiotics to impact human and planetary health.

Venice, United States
July 2022
Undisclosed

Founder Contacts

19,000+ verified contacts

Health CareMedicalVeterinary

One Health Company specializes in transforming canine cancer care through AI-driven precision medicine.

Palo Alto, United States
July 2022
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Air TransportationDeveloper APIsReservationsSaaSSoftwareTravel

Building software to remove friction in air travel

Bellevue, United States
July 2022
Series A

Founder Contacts

19,000+ verified contacts

AccountingArtificial Intelligence (AI)B2BFinancial ServicesSoftware

Document and spreadsheet automation for accountants

Austin, United States
July 2022
Pre-Seed

Founder Contacts

19,000+ verified contacts

CRMHuman ResourcesMarketplaceRecruitingSoftware

Dover provides an integrated hiring platform that connects organizations with fractional recruiters through a marketplace.

San Francisco, United States
July 2021
Series A

Founder Contacts

19,000+ verified contacts

BlockchainFinTechTransaction Processing

Sunscreen is a cryptography company that translates frontier Fully Homomorphic Encryption (FHE) research into production-ready tooling.

San Francisco, United States
July 2022
Seed

Founder Contacts

19,000+ verified contacts

E-CommerceFinanceFinancial ServicesFinTech

Slope is a B2B financial platform that offers a variety of payment alternatives while being paid immediately.

San Francisco, United States
July 2024
Debt Financing

Founder Contacts

19,000+ verified contacts

CryptocurrencyFinancial ServicesSoftware

Shipyard Software is building a fleet of exchanges and DeFi tools to suit every crypto trader.

San Francisco, United States
July 2021
Seed

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)SoftwareTicketing

Ticket Wallet is an AI based listing platform for buying and selling event tickets.

Brooklyn, United States
July 2025
Seed

Founder Contacts

19,000+ verified contacts

EducationE-LearningEnterprise Applications

We are replacing Git with real-time code collaboration in the cloud

Stockholm, Sweden
July 2021
Seed

Founder Contacts

19,000+ verified contacts

BioinformaticsBiotechnologyHealth CareLife ScienceSoftware

Automating data analysis for life science researchers

San Francisco, United States
July 2025
Pre-Seed

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Information TechnologySoftwareVideo

Moon Valley provides AI video tools for cinematic motion, camera, and scene control.

Toronto, Canada
July 2025
Series A

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Financial ServicesMachine LearningSoftware

REVER is a financial service company that develops technologies designed to create a new category in the e-commerce space.

Barcelona, Spain
July 2023
Non-equity Assistance

Founder Contacts

19,000+ verified contacts

AppsHealth CareTherapeutics

Oto builds digital therapy mobile applications for tinnitus support.

London, United Kingdom
July 2022
Seed

Founder Contacts

19,000+ verified contacts

Showing 251-275 of 6,839 portfolio companies

Frequently Asked Questions About Y Combinator

How many companies has Y Combinator invested in?

Y Combinator has invested in 6,839 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), Health Care, Financial Services, Machine Learning. The firm invests across 61 different industry categories.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $11.4M across its portfolio of 6,839 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include Reworkd, Paces, Frame AI (acquired by HubSpot), Matterport, Lombard. These companies were founded in 2020 or later.

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