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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
Portalform2023Pre-Seed$500KSan Francisco
KoalaOps2023Pre-Seed$500KTel Aviv-yafo
UpTrain2023Pre-Seed$2.2MSan Francisco
Paperplane2023Seed$3.0MNew York
Serial2023Pre-Seed$500KSan Francisco
Satsuma2023Seed$5.0MSan Francisco
BlueX Trade2023Series A$2.7MSan Francisco
Finta2023Seed$2.0MSan Francisco
Journey Clinical2023Venture - Series Unknown$4.3MNew York
NuMind2023Seed$3.0MCambridge

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

Export
#CompanyStageAmountLocation
3376PortalformPre-Seed$500KSan Francisco, United States
3377KoalaOpsPre-Seed$500KTel Aviv-yafo, Israel
3378UpTrainPre-Seed$2.2MSan Francisco, United States
3379PaperplaneSeed$3.0MNew York, United States
3380SerialPre-Seed$500KSan Francisco, United States
3381SatsumaSeed$5.0MSan Francisco, United States
3382BlueX TradeSeries A$2.7MSan Francisco, United States
3383FintaSeed$2.0MSan Francisco, United States
3384Journey ClinicalVenture - Series Unknown$4.3MNew York, United States
3385NuMindSeed$3.0MCambridge, United States
DatabaseInformation TechnologySaaS

Portalform syncs data from third-party APIs into production databases to build SaaS integrations.

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

Founder Contacts

30,000+ verified contacts

DevOpsInformation TechnologySaaSSoftware

KoalaOps is a platform for building microservices on Kubernetes.

Tel Aviv-yafo, Israel
April 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsMachine LearningOpen Source

UpTrain develops an open-source toolkit to observe and refine AI applications.

San Francisco, United States
April 2023
$2.2M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Big DataCreditCredit BureauFinTechNatural Language ProcessingRisk ManagementSoftware

Modern credit risk management software for builders', plumber, and timber merchants.

New York, United States
April 2023
$3.0M
Seed

Founder Contacts

30,000+ verified contacts

Software

Serial is software to help root cause manufacturing issues in seconds.

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

Founder Contacts

30,000+ verified contacts

BlockchainDeveloper APIsDeveloper PlatformProductivity ToolsWeb3

Satsuma is a reliable blockchain indexing service for web3 engineering teams.

San Francisco, United States
April 2023
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

FinTechFreight ServiceShippingSupply Chain Management

BlueX is the trusted trade finance network amplifying safer and easier global trade.

San Francisco, United States
April 2023
$2.7M
Series A

Founder Contacts

30,000+ verified contacts

AccountingFinanceFinancial ServicesSaaSSoftware

Finta is the simplest way for startups to manage taxes, bookkeeping, and track financial metrics - all in one platform.

San Francisco, United States
April 2023
$2.0M
Seed

Founder Contacts

30,000+ verified contacts

Health CareMedical

Journey Clinical is a platform that provides services to member psychotherapy practices which are independently owned and operated.

New York, United States
March 2023
$4.3M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Machine LearningSaaS

NuMind is a SAAS company that offers data scientists, analysts and software engineers AI tools to create custom NLP models.

Cambridge, United States
March 2023
$3.0M
Seed

Founder Contacts

30,000+ verified contacts

Career PlanningE-LearningEdTechEducationInformation TechnologySoftware

Careerist is an ed-fintech platform that trains job seekers for tech careers, finances them and automates their job hunting

Miami, United States
March 2023
$8.0M
Series A

Founder Contacts

30,000+ verified contacts

InternetSoftware

Easiest way to turn real estate leads into quality appointments.

San Jose, United States
March 2023
$1.0M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyManagement Information Systems

Axios HQ is AI-powered communication software that helps organizations in management information systems.

Arlington, United States
March 2023
$20.0M
Series A

Founder Contacts

30,000+ verified contacts

E-CommerceE-Commerce PlatformsRetailRetail TechnologySoftware

Frontend as a Service for Composable Commerce

San Francisco, United States
March 2023
$20.0M
Series A

Founder Contacts

30,000+ verified contacts

Health CaremHealthOutpatient CareRehabilitationTelehealth

Kivo Health is a telehealth lung care company that provides rehab for chronic lung disease.

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

Founder Contacts

30,000+ verified contacts

Health CarePersonal HealthWellness

AI-powered digital therapeutics for mind-body conditions, starting with IBS.

Melbourne, Australia
March 2023
$12.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Machine LearningOpen SourceSaaSWeb Apps

Mindee offers a tailor-made artificial intelligence solution that transforms documents into usable data.

Paris, France
March 2023
$7.0M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Building MaintenanceProperty ManagementReal EstateRental Property

Latchel provides a property management software that helps streamline maintenance and work orders.

San Francisco, United States
March 2023
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer APIsGenerative AIHealth CareSaaS

Opkit is a Y Combinator-backed startup building AI phone calls for the healthcare industry.

New York, United States
March 2023
$1.0M
Seed

Founder Contacts

30,000+ verified contacts

Developer APIsInformation TechnologyProductivity ToolsTest and MeasurementUsability Testing

Speedscale allows users to stress test cloud services with real-world scenarios.

Atlanta, United States
March 2023
$9.0M
Pre-Seed

Founder Contacts

30,000+ verified contacts

BankingFinancial ServicesFinTechLendingPayments

Fazz enables businesses to send and receive payments, grow their capital, and get funding.

Singapore, Singapore
March 2023
$5.3M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

AppsService IndustrySoftwareTelecommunications

Devyce creates a VoIP operating system that offers communication system with flexibility, scalability, and dependability.

London, United Kingdom
February 2023
$4.2M
Seed

Founder Contacts

30,000+ verified contacts

CateringFood and BeverageFood DeliveryInformation TechnologySoftware

Zerocater builds corporate catering and cafeteria solutions employees love as they transition to the hybrid workplace.

San Francisco, United States
February 2023
$15.0M
Series C

Founder Contacts

30,000+ verified contacts

3D TechnologyInternetMobileSoftware

PreVu3D® is a Montreal based startup company that is reimagining the way we experience physical spaces.

Montréal, Canada
February 2023
$10.0M
Series A

Founder Contacts

30,000+ verified contacts

Electrical DistributionEnergyFleet ManagementMachine LearningMiningRenewable EnergySaaSSoftwareSolarWind Energy

BluWave-ai is a SaaS-based grid energy optimization platform for more sustainable, reliable, and affordable energy decisions.

Ottawa, Canada
February 2023
$7.1M
Series A

Founder Contacts

30,000+ verified contacts

Showing 3376-3400 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, SaaS, Information Technology, Artificial Intelligence (AI), Machine Learning. The firm invests across 70 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Axios HQ received $20.0M 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 Portalform, KoalaOps, UpTrain, Paperplane, Serial. These companies were founded in 2020 or later.

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