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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
$29.9B
Average Investment
$10.5M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
The Robot Learning Company2025Pre-Seed$500KSan Francisco
Zenobia Pay2025Pre-Seed$500KNew York
Risely AI2025Pre-Seed$500KSan Francisco
Stratify2025Pre-Seed$500KSan Francisco
Biobot Analytics2025Series A$13.4MCambridge
arketa2025Series A$15.0MNew York
Decentro2025Series B$3.5MSingapore
Infisical2025Series A$16.0MSan Francisco
Solidroad2025Seed$6.5MDublin
Toma2025Series A$17.0MSan Francisco

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

Export
#CompanyStageAmountLocation
2226The Robot Learning CompanyPre-Seed$500KSan Francisco, United States
2227Zenobia PayPre-Seed$500KNew York, United States
2228Risely AIPre-Seed$500KSan Francisco, United States
2229StratifyPre-Seed$500KSan Francisco, United States
2230Biobot AnalyticsSeries A$13.4MCambridge, United States
2231arketaSeries A$15.0MNew York, United States
2232DecentroSeries B$3.5MSingapore, Singapore
2233InfisicalSeries A$16.0MSan Francisco, United States
2234SolidroadSeed$6.5MDublin, Ireland
2235TomaSeries A$17.0MSan Francisco, United States
Artificial Intelligence (AI)RoboticsSoftware

The Robot Learning Company is an AI based software that develops Affordable robotic workers.

San Francisco, United States
June 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

BankingFinanceFinTechPayments

Zenobia Pay is a fintech company that enables businesses to accept bank transfers as payments by building pay-by-bank network.

New York, United States
June 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)EducationInformation Technology

Risely AI offers an AI-driven platform that supports, engages, and retains students in higher education.

San Francisco, United States
June 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Software

Stratify provides an AI-powered user research platform that automates recruitment, conducts interviews, and analyzes insights.

San Francisco, United States
June 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Big DataBiotechnologyHealth CareInformation ServicesWater

Biobot Analytics offers a wastewater data platform delivering population-level health insights.

Cambridge, United States
June 2025
$13.4M
Series A

Founder Contacts

30,000+ verified contacts

FitnessHealth CareSoftwareWellness

Modern booking software for wellness businesses

New York, United States
June 2025
$15.0M
Series A

Founder Contacts

30,000+ verified contacts

BankingDeveloper APIsFinancial ServicesFinTechPaymentsSoftware

Decentro is an API banking platform that provides modular APIs and SDKs for integrating financial products

Singapore, Singapore
June 2025
$3.5M
Series B

Founder Contacts

30,000+ verified contacts

Cloud SecurityNetwork SecuritySoftware

Infisical is an open-source secrets manager that secures and syncs app configs and credentials across teams with end-to-end encryption.

San Francisco, United States
June 2025
$16.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Human ResourcesQuality AssuranceTraining

Solidroad is an innovative AI-powered platform dedicated to revolutionizing hiring, onboarding, and training for enterprises.

Dublin, Ireland
June 2025
$6.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)AutomotiveCall CenterSoftware

Artificial Intelligence, SaaS, Voice, Automotive

San Francisco, United States
June 2025
$17.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)SoftwareWeb Development

Thread AI's goal is to make infrastructure simple for enterprises seeking to get the most from AI.

New York, United States
June 2025
$20.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)InfrastructureRobotics

Boost Robotics builds autonomous mobile robots that perform manual tasks in data centers.

Boston, United States
June 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Data ManagementFinancial ServicesFinTechMarketing AutomationPaymentsSoftware

Simetrik is a no-code solution that offers the right balance between flexibility and robustness for the reconciliation process automation.

San Francisco, United States
June 2025
$30.0M
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ConstructionGenerative AIHome RenovationPropTech

Handoff AI provides contractors with instant construction estimates and automates business operations using AI.

Miami, United States
June 2025
$5.8M
Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Big DataCloud ComputingData CenterDeveloper ToolsInfrastructureSoftware

Archil is a software company that specializes in instant access for cloud applications to store data.

San Francisco, United States
June 2025
$6.7M
Seed

Founder Contacts

30,000+ verified contacts

CommercialEnergyManufacturing

RegenEAU manufactures systems that recover heat from wastewater to reduce hot water energy use in multi-unit and commercial buildings.

Lévis, Canada
June 2025
$2.3M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Drone ManagementDronesManufacturingRobotics

Aerones is an innovative company that develops robotic technology for wind turbine blade maintenance services.

Denton, United States
June 2025
$62.3M
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyRobotics

Embodied AI Platform for Robotics (YC X25)

New York, United States
June 2025
Seed

Founder Contacts

30,000+ verified contacts

FashionMarketingProduct Design

Snitch is a men's fast fashion clothing brand that primarily sells its products online.

Bangalore, India
June 2025
$7.0M
Secondary Market

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyMachine Learning

Bagel Labs is an artificial intelligence research lab pioneering distributed training of frontier diffusion models on commodity hardware.

San Francisco, United States
June 2025
$5.5M
Seed

Founder Contacts

30,000+ verified contacts

GroceryMobile Apps

Stretch is reimagining grocery shopping, helping everyday families save money in an increasingly complex shopping landscape.

New York, United States
June 2025
$1.5M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BData Collection and LabelingInformation TechnologyMarket ResearchSoftware

Panels is a Software Development firm ofering AI based platform for market research.

San Francisco, United States
June 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cyber SecurityInformation TechnologySaaS

Unbound Security enables employees to securely utilize AI tools in their work while safeguarding company secrets.

San Francisco, United States
May 2025
$4.0M
Seed

Founder Contacts

30,000+ verified contacts

Developer ToolsEnergyRenewable Energy

Nira Energy builds products to provide transmission insights throughout the interconnection process.

Denver, United States
May 2025
Seed

Founder Contacts

30,000+ verified contacts

B2BEdTechMarketplaceSports

HOKALI is a B2B marketplace for buying after school activities in the US.

San Francisco, United States
May 2025
Seed

Founder Contacts

30,000+ verified contacts

Showing 2226-2250 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), Software, Information Technology, Robotics, FinTech. The firm invests across 57 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Aerones received $62.3M in a Series B round. Y Combinator's total known invested capital is $29.9B.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $10.5M across its portfolio of 5,185 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include The Robot Learning Company, Zenobia Pay, Risely AI, Stratify, Biobot Analytics. These companies were founded in 2020 or later.

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