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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
Aside2025Pre-Seed$500KSan Francisco
Null Labs2025Pre-Seed$500KSan Francisco
Kalpa Labs2025Pre-Seed$500KSan Francisco
Spatial AI2025Pre-Seed$500KPalo Alto
Piggy Robotics2025Pre-Seed$500KSouthampton
EquipmentShare2025Debt FinancingUndisclosedColumbia
Cortex AI2025Seed$6.0MSan Francisco
Clicks2025Pre-SeedUndisclosedSan Francisco
AtlasGrid AI2025Pre-Seed$500KMountain View
Sylvian2025Pre-Seed$500KSan Francisco

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

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#CompanyStageAmountLocation
3576AsidePre-Seed$500KSan Francisco, United States
3577Null LabsPre-Seed$500KSan Francisco, United States
3578Kalpa LabsPre-Seed$500KSan Francisco, United States
3579Spatial AIPre-Seed$500KPalo Alto, United States
3580Piggy RoboticsPre-Seed$500KSouthampton, United Kingdom
3581EquipmentShareDebt FinancingUndisclosedColumbia, United States
3582Cortex AISeed$6.0MSan Francisco, United States
3583ClicksPre-SeedUndisclosedSan Francisco, United States
3584AtlasGrid AIPre-Seed$500KMountain View, United States
3585SylvianPre-Seed$500KSan Francisco, United States
Artificial Intelligence (AI)B2BInformation TechnologyMachine LearningNatural Language ProcessingReal TimeSaaSSoftwareSpeech Recognition

Aside provides an AI platform that helps sales teams with live call prompts, note-taking, and real-time insights.

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

Founder Contacts

30,000+ verified contacts

AerospaceArtificial Intelligence (AI)Information TechnologyMachine LearningRobotics

Null Labs offers a platform that generates physics-based simulation datasets to train autonomous system models.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)SoftwareSpeech Recognition

Kalpa Labs is building generalist speech models that unlock in-context learning & strong instruction.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Machine LearningRobotics

Spatial AI is an Ai driven company that offers data infrastructure robots.

Palo Alto, United States
December 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)RoboticsSmart Home

Piggy Robotics is a robotics company that builds humanoid robots using artificial muscles in order to mass-produce the robots.

Southampton, United Kingdom
December 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

ConstructionFleet ManagementRentalSaaSService IndustrySoftware

EquipmentShare provides solutions to construction companies and equipment rental businesses through the use of technology.

Columbia, United States
December 2025
Debt Financing

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ManufacturingMechanical EngineeringRobotics

Cortex AI is engaged in robotics engineering, which develops models that power general-purpose robots.

San Francisco, United States
December 2025
$6.0M
Seed

Founder Contacts

30,000+ verified contacts

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

Clicks is an AI platform that automates back-office tasks like CRM updates, report generation, and data entry for businesses.

San Francisco, United States
December 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Information TechnologySoftware

AtlasGrid AI is an Artficial Intelligence firm that builds visual graph of mobile app UI and displays analytics directly. on your screens.

Mountain View, United States
December 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BInformation Technology

Sylvian provides a platform for generating expert data, evaluating, and improving specialized AI agents.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer APIsDeveloper ToolsDevOps

Specific is an AI driven DevOps company that offers users a platform to build and deploy backend without codes.

Stockholm, Sweden
December 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BComplianceCyber SecurityInformation TechnologySecuritySoftware

LogosGuard is an platform that turns AI policies into executable controls and continuously monitors systems for compliance and risk.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cyber SecurityInformation TechnologyMachine LearningOpen SourcePrivacySecurity

Velum Labs provides a firewall that redacts sensitive information in data and documents.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)CRMInformation Technology

Item is an AI CRM that automatically captures customer context from connected tools and runs workflows through AI assistants.

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

Founder Contacts

30,000+ verified contacts

AccountingArtificial Intelligence (AI)BankingFinanceFinancial ServicesPaymentsProperty ManagementPropTechReal EstateSaaS

Goldbridge offers banking software that manages FDIC-insured accounts and property-level ledgers for real estate operators.

Chicago, United States
December 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BHealth CareIntellectual PropertyLegalLegal TechSaaS

Patent Watch is an AI based platform automating patent infringement detection, analysis, and claim chart generation.

Delaware, United States
December 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Information TechnologyMachine Learning

Nucleo offers an AI-powered tool for analyzing body composition and segmenting tumors from medical images.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)EducationE-LearningLanguage LearningMobile Apps

Parrot Learning is a language app that uses short-form videos and exercises to teach Spanish in quick and easy-to-follow sessions.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Health CareHealth InsuranceInsuranceInsurTech

Angle Health provides a technology-enabled health insurance platform to simplify employer-sponsored healthcare benefits.

San Francisco, United States
December 2025
$134.0M
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsEnterprise SoftwareInformation Technology

Deeptrace develops AI SRE agents that detect, investigate, and resolve production incidents.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ConsumerInformation TechnologymacOSSoftware

Nessie Labs offers an AI knowledge base application that converts scattered AI conversations into an organized and searchable memory.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BCRMDeveloper ToolsSoftware

Rovr is a software company that develops AI-based developers tool for streamlined collaboration and automated CRM operations.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologySoftware

Mayflower offers a software plugin for immigration screening, legal compliance, and document verification.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)BankingComplianceFinancial ServicesFinTech

Kobalt Labs provides an AI copilot for risk and compliance teams at financial institutions.

New York, United States
December 2025
$11.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Business Process Automation (BPA)HardwareHealth CareInformation TechnologyLogisticsReal TimeWeb Apps

Norra offers an AI platform for nursing facilities that automates equipment management, compliance, and workflow management.

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

Founder Contacts

30,000+ verified contacts

Showing 3576-3600 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), Information Technology, Software, B2B, Machine Learning. The firm invests across 55 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Angle Health received $134.0M in a Series B 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 Aside, Null Labs, Kalpa Labs, Spatial AI, Piggy Robotics. These companies were founded in 2020 or later.

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