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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
Pledge Health2023Seed$1.0MSeattle
Neptyne2023SeedUndisclosedBrooklyn
Syncly2023Seed$2.6MBoston
ChrysaLabs2023Series A$11.2MMontréal
SID2023Pre-Seed$500KSan Francisco
Optery2023Seed$2.7MClayton
Webb Protocol2023Seed$7.0MMiami
Rubbrband2023SeedUndisclosedSan Francisco
Sitenna2023Seed$3.0MBirmingham
Bend2023Seed$2.5MNew York

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

Export
#CompanyStageAmountLocation
3226Pledge HealthSeed$1.0MSeattle, United States
3227NeptyneSeedUndisclosedBrooklyn, United States
3228SynclySeed$2.6MBoston, United States
3229ChrysaLabsSeries A$11.2MMontréal, Canada
3230SIDPre-Seed$500KSan Francisco, United States
3231OpterySeed$2.7MClayton, United States
3232Webb ProtocolSeed$7.0MMiami, United States
3233RubbrbandSeedUndisclosedSan Francisco, United States
3234SitennaSeed$3.0MBirmingham, United Kingdom
3235BendSeed$2.5MNew York, United States
BillingHealth CareInformation TechnologySoftware

Pledge Health is an automated patient A/R management platform that gets clinics paid upfront.

Seattle, United States
May 2023
$1.0M
Seed

Founder Contacts

30,000+ verified contacts

Data VisualizationInformation Technology

Neptyne is a developer of spreadsheet programmable tools.

Brooklyn, United States
May 2023
Seed

Founder Contacts

30,000+ verified contacts

AnalyticsB2BCustomer ServiceData Collection and LabelingInformation TechnologyInternetSaaSSoftware

Syncly is a San Francisco-based AI SaaS company founded by a serial entrepreneur who successfully exited their last AI company in 2019.

Boston, United States
May 2023
$2.6M
Seed

Founder Contacts

30,000+ verified contacts

AgricultureBiotechnologyInformation Technology

ChrysaLabs develops a real-time, portable and accurate soil fertility assessment technology for precision agriculture

Montréal, Canada
May 2023
$11.2M
Series A

Founder Contacts

30,000+ verified contacts

Data IntegrationData ManagementData StorageDatabaseGenerative AIInformation TechnologyInfrastructureInternetNatural Language ProcessingSoftware

SID is an artificial intelligence company that offers personal data infrastructure for AI companies to access data easily.

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

Founder Contacts

30,000+ verified contacts

Cyber SecurityIdentity ManagementPrivacySecuritySoftware

Optery is an opt-out software that removes your home address, phone number, email, and other private information from the Internet.

Clayton, United States
May 2023
$2.7M
Seed

Founder Contacts

30,000+ verified contacts

BlockchainCryptocurrencySoftware

Webb Protocol is a multi-chain privacy technology that allows assets to be transferred across blockchain protocols.

Miami, United States
May 2023
$7.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsGenerative AIMachine LearningSoftware

Rubbrband provides AI Image generation with maximum control

San Francisco, United States
May 2023
Seed

Founder Contacts

30,000+ verified contacts

Communications InfrastructureSoftwareTelecommunications

Sitenna provides software that helps telecom companies find new locations to put up towers and antennae.

Birmingham, United Kingdom
May 2023
$3.0M
Seed

Founder Contacts

30,000+ verified contacts

FinTechSustainability

Bend improves spending data accuracy by estimating emissions for precise reporting on scope 3 goods and services.

New York, United States
May 2023
$2.5M
Seed

Founder Contacts

30,000+ verified contacts

Asset ManagementComputerDocument ManagementInformation and Communications Technology (ICT)Information ServicesInformation TechnologySaaSSoftware

The Most-Loved IT Documentation Platform

Fort Collins, United States
May 2023
$5.0M
Series A

Founder Contacts

30,000+ verified contacts

AppsArtificial Intelligence (AI)Information Technology

Voice to Flowsheet for Nurses

San Francisco, United States
May 2023
$2.7M
Pre-Seed

Founder Contacts

30,000+ verified contacts

FinTechPersonal Finance

Next generation personal finance platform

San Francisco, United States
May 2023
$2.6M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Computer VisionMedical

Scanbase provides an API that allows medical companies to analyze photographs of rapid diagnostic tests and immediately return results.

Los Angeles, United States
May 2023
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)EnergyEnergy EfficiencyMachine LearningSensorSoftwareWater

PowerX is a technology startup that creates a line of precision sensors that gather data about a home's electricity, gas, and water usage.

Queens, United States
May 2023
$4.0M
Seed

Founder Contacts

30,000+ verified contacts

Information TechnologySaaSSoftware

Omnistrate is a control-plane-as-a-service that transforms the user's docker image into a multi-cloud SaaS service.

Redwood City, United States
April 2023
$4.3M
Series A

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechSoftware

Axoni is a real-time data replication technology company serving the world's largest financial institutions.

New York, United States
April 2023
$20.0M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)LogisticsSoftwareSupply Chain Management

CarbonChain is a software company that allows to track and report supply chain emissions.

London, United Kingdom
April 2023
$10.0M
Series A

Founder Contacts

30,000+ verified contacts

E-CommerceSoftwareSubscription Service

Rinsed is a provider of easy-to-use customer relationship management software for the car wash industry.

New York, United States
April 2023
$20.0M
Series B

Founder Contacts

30,000+ verified contacts

CommunitiesSocial MediaTelecommunications

Community is an app that solves communication and engagement problems.

Santa Monica, United States
April 2023
$25.0M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Data VisualizationDatabaseSoftware

Outerbase is an interface to view, edit, and modify data and generate visual dashboards without having to write a single line of SQL.

San Francisco, United States
April 2023
Seed

Founder Contacts

30,000+ verified contacts

Graphic DesignLife ScienceSoftware

BioRender develops a science visualization platform for the pharmaceutical and life sciences industries.

Toronto, Canada
April 2023
$15.3M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)InternetPublishingSoftware

Groundlight provides facile English language instructions and few lines of code that allow developer to interpret photos programmatically.

Seattle, United States
April 2023
$10.0M
Seed

Founder Contacts

30,000+ verified contacts

AccountingArtificial Intelligence (AI)FinTechInformation TechnologySoftware

Trullion is an AI-powered accounting platform that automates financial workflows for accounting and audit teams.

New York, United States
April 2023
$15.0M
Series B

Founder Contacts

30,000+ verified contacts

ComputerOnline GamesPC GamesVirtual Reality

Blacktop Hoops is a multiplayer virtual reality sports game inspired by the society of streetball.

Berkeley, United States
April 2023
$5.1M
Seed

Founder Contacts

30,000+ verified contacts

Showing 3226-3250 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, Information Technology, Artificial Intelligence (AI), FinTech, Internet. The firm invests across 60 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Community received $25.0M 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 Pledge Health, Neptyne, Syncly, ChrysaLabs, SID. These companies were founded in 2020 or later.

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