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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
$44.2B
Average Investment
$8.1M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Rift2025Seed$3.5MDraveil
Clado2025Seed$2.0MSan Francisco
Bluma2025Pre-SeedUndisclosedSan Francisco
Tailor2025Series A$15.0MTokyo
Pibit2025Series A$7.0MPalo Alto
Nextmv2022Series AUndisclosedPhiladelphia
Vitau2021SeedUndisclosedMonterrey
Arpeggio Bio2025Venture - Series Unknown$20.0MBoulder
Poly2025Seed$8.0MSan Francisco
Quindar2025Series A$18.0MWashington

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

Export
#CompanyStageAmountLocation
3951RiftSeed$3.5MDraveil, France
3952CladoSeed$2.0MSan Francisco, United States
3953BlumaPre-SeedUndisclosedSan Francisco, United States
3954TailorSeries A$15.0MTokyo, Japan
3955PibitSeries A$7.0MPalo Alto, United States
3956NextmvSeries AUndisclosedPhiladelphia, United States
3957VitauSeedUndisclosedMonterrey, Mexico
3958Arpeggio BioVenture - Series Unknown$20.0MBoulder, United States
3959PolySeed$8.0MSan Francisco, United States
3960QuindarSeries A$18.0MWashington, United States
DronesReal TimeSecurity

Rift specializes in building drone network for real-time aerial intelligence, which aims to protect borders, territories and infrastructure.

Draveil, France
November 2025
$3.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BRecruitingSaaS

Clado is a company that provides artificial intelligence solutions for business applications.

San Francisco, United States
November 2025
$2.0M
Seed

Founder Contacts

30,000+ verified contacts

AdvertisingArtificial Intelligence (AI)MarketingSocial MediaSoftwareVideo

Bluma is an AI-native platform that automatically creates viral short-form ads for your business using our library of templates.

San Francisco, United States
November 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

ConsultingInformation TechnologySoftware

Tailor is a no-code headless ERP platform helping retail businesses unify tools, marketplaces, and teams on one system.

Tokyo, Japan
November 2025
$15.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Commercial InsuranceInsuranceInsurTechSoftware

Enhance Underwriting Decisions with Accurate Loss Run Insights

Palo Alto, United States
November 2025
$7.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer PlatformLogisticsSoftwareSupply Chain Management

A DecisionOps platform that accelerates optimization AI teams with tools for deployment, testing, and collaboration on decision models.

Philadelphia, United States
November 2022
Series A

Founder Contacts

30,000+ verified contacts

Health Care

Vitau is a subscription model pharmacy for patients with chronic diseases.

Monterrey, Mexico
November 2021
Seed

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CareMachine LearningPharmaceuticalTherapeutics

Arpeggio builds technology to watch and learn how drugs work.

Boulder, United States
November 2025
$20.0M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cloud StorageData Storage

Poly is an artificial intelligence company that offers a platform for personal cloud storage.

San Francisco, United States
November 2025
$8.0M
Seed

Founder Contacts

30,000+ verified contacts

Cloud InfrastructureSaaSSatellite Communication

Quindar offers a one-stop shop in the cloud for spacecraft analysis and operations.

Washington, United States
November 2025
$18.0M
Series A

Founder Contacts

30,000+ verified contacts

Information TechnologyMedicalSoftware

Ember Copilot is a Software Development firm offering a tool to reduces medical claim denials.

San Francisco, United States
November 2025
$4.3M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Business Process Automation (BPA)PharmaceuticalSoftware

SynthioLabs is a Software Development firm offering AI based automation tools for optimized pharmaceutical operations.

San Francisco, United States
November 2025
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Information Technology

Siftwell uses the power of AI to amplify your company’s data-driven decisions, helping clients achieve great victories of their own.

Charlotte, United States
November 2025
$3.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsRobotic Process Automation (RPA)

Automat offers robotic process automation for Chrome using GPT4 and computer vision.

San Francisco, United States
November 2025
$15.5M
Series A

Founder Contacts

30,000+ verified contacts

AutomotiveAutonomous VehiclesE-Commerce

Carvana is an e-commerce platform that buys and sells used cars.

Tempe, United States
November 2025
$99.0M
Post-IPO Debt

Founder Contacts

30,000+ verified contacts

ConsumerMobile AppsPoint of SaleSmall and Medium Businesses

SQUIRE is a barbershop business management system that includes tools for booking, scheduling, payment processing, and marketing management.

New York, United States
November 2024
Debt Financing

Founder Contacts

30,000+ verified contacts

BitcoinFinancial ServicesSoftwareWeb Development

Bitfinity Network creates a blockchain platform that allows users to generate, stake, and swap tokens on Ethereum-compatible platform.

Tórtola, Spain
November 2024
$5.0M
Initial Coin Offering

Founder Contacts

30,000+ verified contacts

Asset ManagementBlockchainWeb Apps

Noble XYZ is an asset issuance appchain that seeks to communicate and exchange assets directly with each other by blockchain communication.

Toronto, Canada
November 2024
$15.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Computer VisionDeveloper Tools

Roboflow is a developer tool for building computer vision models faster and more accurately.

Remote, United States
November 2024
$40.0M
Series B

Founder Contacts

30,000+ verified contacts

Advertising PlatformsArtificial Intelligence (AI)Content CreatorsSoftware

Agentio is an AI-native advertising platform that automates the end-to-end process for creator advertising.

Brooklyn, United States
November 2025
$40.0M
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Health CarePharmaceutical

Cellbyte is an AI based firm that offers safety and security standards for pharma companies to provide life-changing treatments to patients.

München, Germany
November 2025
$2.8M
Seed

Founder Contacts

30,000+ verified contacts

Cyber SecurityEnterprise SoftwarePrivacySaaS

Feroot Security platform protects the client-side javascript code of web applications against client-side attacks and compliance violations.

Toronto, Canada
November 2025
$14.0M
Series A

Founder Contacts

30,000+ verified contacts

Cloud Computing

See cloud costs & FinOps best practices before deployment with Infracost: Shift FinOps left.

San Diego, United States
November 2025
$15.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)FinanceTax Preparation

Sphere is an AI-powered cross border compliance platform

San Francisco, United States
November 2025
$21.0M
Series A

Founder Contacts

30,000+ verified contacts

Retail AI Startup. We develop Embedded Visual deep-learning AI for Mobile & Edge Devices.

Berlin, Germany
November 2024
$12.7M
Series A

Founder Contacts

30,000+ verified contacts

Showing 3951-3975 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 Artificial Intelligence (AI), Software, SaaS, Information Technology, Health Care. The firm invests across 56 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Carvana received $99.0M in a Post-IPO Debt round. Y Combinator's total known invested capital is $44.2B.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $8.1M across its portfolio of 7,960 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include Rift, Clado, Bluma, Tailor, Pibit. These companies were founded in 2020 or later.

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