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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
5,185
Total Invested
$33.2B
Average Investment
$11.7M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Latys2023Venture - Series UnknownUndisclosedMontreal
ProjectX2026Pre-Seed$500KSan Francisco
Sequen2026Series A$16.0MBrooklyn
WeSort.AI2026Seed$11.5MWürzburg
Understood Care2026Seed$5.0MNew York
TravoAI2026SeedUndisclosed
VeryAI2026Seed$10.0M
Rove2026Seed$4.0MNew York
Malama Health2026Seed$6.9MStanford
Axiom2026Series A$200.0MSan Francisco

Complete List of Y Combinator Portfolio Companies (5,185)

Export
#CompanyStageAmountLocation
1451LatysVenture - Series UnknownUndisclosedMontreal, Canada
1452ProjectXPre-Seed$500KSan Francisco, United States
1453SequenSeries A$16.0MBrooklyn, United States
1454WeSort.AISeed$11.5MWürzburg, Germany
1455Understood CareSeed$5.0MNew York, United States
1456TravoAISeedUndisclosed
1457VeryAISeed$10.0M
1458RoveSeed$4.0MNew York, United States
1459Malama HealthSeed$6.9MStanford, United States
1460AxiomSeries A$200.0MSan Francisco, United States
Communications InfrastructureInfrastructureWireless

Latys uses antennas to enable full-duplex communications that are protocol and modulation-agnostic.

Montreal, Canada
October 2023
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Cloud ComputingOperating SystemsPaaS

ProjectX is reimagining the future of computing with the first it's kind web-based compute platform "Infinity".

San Francisco, United States
March 2026
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Information ServicesInformation TechnologySoftware

Sequen is an AI-native Behavior Design Engine and reinforcement-learning-driven platform that powers adaptive in-session search.

Brooklyn, United States
March 2026
$16.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)RecyclingSoftware

AI and Sensor based waste sorting

Würzburg, Germany
March 2026
$11.5M
Seed

Founder Contacts

30,000+ verified contacts

Health Care

Understood Care is a virtual patient advocacy platform specifically for individuals with Medicare.

New York, United States
March 2026
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

TravoAI provides an online learning tool that uses artificial intelligence to assist students with schoolwork.

March 2026
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)BlockchainInformation Technology

VeryAI develops a privacy-preserving identity verification platform using palm-scan biometrics on the Solana blockchain.

March 2026
$10.0M
Seed

Founder Contacts

30,000+ verified contacts

Credit CardsFinancial Services

The first travel credit card for Gen Z.

New York, United States
March 2026
$4.0M
Seed

Founder Contacts

30,000+ verified contacts

Health CareHome Health CareMedicalSoftwareWomen's

Malama offers holistic support through community-based doulas, covering various services like pregnancy care and postpartum recovery.

Stanford, United States
March 2026
$6.9M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologySoftware

Axiom is an AI technology company that builds next-generation AI mathematicians.

San Francisco, United States
March 2026
$200.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)CRMSoftware

Juicebox provides an AI platform for talent sourcing, recruiting, and engagement.

San Francisco, United States
March 2026
$80.0M
Series B

Founder Contacts

30,000+ verified contacts

Cloud ComputingDeveloper ToolsSoftwareSoftware Engineering

Depot is a build acceleration and developer productivity platform that speeds up container builds and GitHub Actions runners by up to 40x.

Beaverton, United States
March 2026
$10.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cyber SecurityDeveloper APIsEnterprise SoftwareMachine LearningNetwork Security

Escape - API discovery and API security platform that leverages generative AI to discover and secure all exposed APIs.

Paris, France
March 2026
$17.9M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)EmailSoftware

AgentMail provides an API-first email platform that enables AI agents to send, receive, and manage emails with automation and analytics.

San Francisco, United States
March 2026
$6.0M
Seed

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyHealth CareLife ScienceTherapeutics

Forum Markets developing novel drugs for treating distinct inflammatory diseases.

Menlo Park, United States
March 2026
$10.0M
Post Ipo Debt

Founder Contacts

30,000+ verified contacts

BiotechnologyMedicalNeuroscience

Science is a clinical-stage medical technology company that develops neuroengineering systems to address neurological and sensory disorders.

Alameda, United States
March 2026
$230.0M
Series C

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Business Process Automation (BPA)ComplianceInformation TechnologyWeb Apps

Denki offers an AI platform that automates audit planning, control testing, and compliance documentation.

San Francisco, United States
March 2026
$4.1M
Seed

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Information Technology

Diligence Squared offers an AI platform that turns expert interviews and research data into investment insights.

San Francisco, United States
March 2026
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Enterprise SoftwareProcurementSaaS

Lio support teams in organizing operational data and managing business workflows through customizable digital registers.

San Francisco, United States
March 2026
$30.0M
Series A

Founder Contacts

30,000+ verified contacts

BankingCredit CardsFinancial ServicesFinTechPayments

Ualá is a fintech company that provides a digital banking application that allows users to manage their finances.

Buenos Aires, Argentina
March 2026
$195.0M
Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Industrial AutomationInformation Technology

Diligent helps fintechs and banks to automate and strengthen risk and compliance operations with Large Language Models

Berlin, Germany
March 2026
$2.4M
Seed

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnology

ParcelBio is a company that creating a programmable method for safely and precisely delivering mRNA to many cell types in the body.

San Francisco, United States
March 2026
$13.2M
Series Unknown

Founder Contacts

30,000+ verified contacts

Communications InfrastructureData IntegrationInformation Technology

Enlightra develops photonics technology that helps in extreme-bandwidth data transmission.

Lausanne, Switzerland
March 2026
Grant

Founder Contacts

30,000+ verified contacts

DronesIndustrial AutomationRobotics

Lucid builds robots for labor-intensive tasks.

Charlotte, United States
March 2026
$745K
Series Unknown

Founder Contacts

30,000+ verified contacts

Commercial LendingFinanceFinancial ServicesFinTechLending

RenoFi is a financial technology company that focuses on providing renovation-focused lending solutions and related services.

Philadelphia, United States
March 2026
$22.0M
Series B

Founder Contacts

30,000+ verified contacts

Showing 1451-1475 of 5,185 portfolio companies

Frequently Asked Questions About Y Combinator

How many companies has Y Combinator invested in?

Y Combinator has invested in 5,185 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), Information Technology, Software, Health Care, Financial Services. The firm invests across 48 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Science received $230.0M in a Series C round. Y Combinator's total known invested capital is $33.2B.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $11.7M across its portfolio of 5,185 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include Latys, ProjectX, Sequen, WeSort.AI, Understood Care. These companies were founded in 2020 or later.

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