Skip to main content
Back to Investors

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
Luminate Medical2026Series A$21.0MGalway
Autonomous Technologies Group2026Pre-Seed$15.0MNew York
Chamber2026Pre-Seed$500KSan Francisco
Fintool2026Series Unknown$6.7MSan Francisco
Nabis2026Debt Financing$5.0MSan Francisco
Array Labs2026Series A$20.0MPalo Alto
Momentus2026Post Ipo Equity$5.0MSanta Clara
Unusual AI2026Seed$3.6MSan Francisco
Artifact2026SeedUndisclosedAtlanta
FutureClinic2026SeedUndisclosedSan Francisco

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

Export
#CompanyStageAmountLocation
1576Luminate MedicalSeries A$21.0MGalway, Ireland
1577Autonomous Technologies GroupPre-Seed$15.0MNew York, United States
1578ChamberPre-Seed$500KSan Francisco, United States
1579FintoolSeries Unknown$6.7MSan Francisco, United States
1580NabisDebt Financing$5.0MSan Francisco, United States
1581Array LabsSeries A$20.0MPalo Alto, United States
1582MomentusPost Ipo Equity$5.0MSanta Clara, United States
1583Unusual AISeed$3.6MSan Francisco, United States
1584ArtifactSeedUndisclosedAtlanta, United States
1585FutureClinicSeedUndisclosedSan Francisco, United States
BiotechnologyHealth CareMedicalMedical Device

Luminate Medical develops a medical device designed to prevent hair loss during chemotherapy.

Galway, Ireland
January 2026
$21.0M
Series A

Founder Contacts

30,000+ verified contacts

AdviceArtificial Intelligence (AI)Finance

Autonomous is an AI-powered fintech company that helps users manage investments and financial decisions independently.

New York, United States
January 2026
$15.0M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Agentic AIAI InfrastructureArtificial Intelligence (AI)Enterprise Software

AI Infrastructure on Autopilot

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

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)FinanceSaaSSearch Engine

Fintool is a AI platform that offers a financial copilot tool for institutional investors.

San Francisco, United States
January 2026
$6.7M
Series Unknown

Founder Contacts

30,000+ verified contacts

CannabisLogisticsMarketplace

Nabis is the #1 licensed cannabis wholesale marketplace.

San Francisco, United States
January 2026
$5.0M
Debt Financing

Founder Contacts

30,000+ verified contacts

AerospaceGeospatialManufacturing

Array Labs designs and operates space-based radar systems and delivers 3D Earth imagery and geospatial data services.

Palo Alto, United States
January 2026
$20.0M
Series A

Founder Contacts

30,000+ verified contacts

AerospaceSpace TravelTransportation

Momentus is a commercial space company providing satellite buses, in-space transportation, hosted payloads, and in-orbit services.

Santa Clara, United States
January 2026
$5.0M
Post Ipo Equity

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyInternet

Unusual AI is an IT and Internet firm offering AI that personalise website according to visitors for more conversions.

San Francisco, United States
January 2026
$3.6M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Electronic Design Automation (EDA)Software

Artifact provides AI solutions for electrical design, engineering calculations, multi-fidelity system design, and material bill generation.

Atlanta, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Health CareInformation Technology

FutureClinic is an AI platform that helps doctors or hospitals to open their own digital health clinics.

San Francisco, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer PlatformSoftware

OpenFoundry is a software development firm that provide platform to developer community for open source AI.

San Francisco, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

Consumer GoodsManufacturingSupply Chain Management

Terra provides platform to track and remove uncertainties while developing, manufacturing, and shipping products overseas.

New York, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

B2BDeveloper ToolsRoboticsSoftware

Cerulion is a Robotics Engineering firm that manufactures and provide operating system for robots.

San Francisco, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

BiotechnologyMineralMining

1849 Bio creates microbes for affordable metal extraction from low-grade copper and gold ores.

San Francisco, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

B2BCyber SecurityGenerative AISaaS

Mindfort AI is an Autonomous AI Security Agent platform that perform continuous penetration testing of your attack surface at massive scale.

San Francisco, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer APIsGenerative AI

dmodel allows firms to see how AI thinks and change its responses, boosting customer service without complete retraining.

San Francisco, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

B2BFinTechLending

Finsou builds software to make lending more accessible through outsourced licensing and automated loan management systems.

San Francisco, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

Health CareSaaSWellness

Haplotype is a startup that improves human health over time by dramatically improving the security, accessibility, and sophistication.

Orinda, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Data ManagementEnterprise SoftwareFinancial ServicesFinTech

GoldenBasis is a B2B fintech company that aims to help self-clearing firms receive account transfers with AI.

San Francisco, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

Machinery ManufacturingManufacturingRobotics

Bucket Robotics manufactures automated defect detection systems which help in the quality control processes.

Pittsburgh, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

BioinformaticsBiotechnology

Ligo Biosciences develops deep-learning models for enzyme design to reduce the cost of chemical manufacturing.

San Francisco, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Photo EditingPhotography

Digitalcarbon converts images and videos into photorealistic 3D environments.

San Francisco, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

Content CreatorsMedia and EntertainmentNewsPublishingSubscription Service

Substack is a subscription-based newsletter publishing platform for independent writers.

San Francisco, United States
January 2026
Secondary Market

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechInsuranceInsurTechLife Insurance

Amplify is a platform offering life insurance products, allowing customers to invest and access tax-free savings through their policies.

San Francisco, United States
December 2025
$6.2M
Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BGenerative AI

Mercura streamlines sales quotations for HVAC, electrical, and plumbing distributors, saving time and increasing revenue.

Munich, Germany
December 2025
$2.1M
Seed

Founder Contacts

30,000+ verified contacts

Showing 1576-1600 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), B2B, Biotechnology, Health Care, SaaS. The firm invests across 53 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Luminate Medical received $21.0M in a Series A 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 Luminate Medical, Autonomous Technologies Group, Chamber, Fintool, Nabis. These companies were founded in 2020 or later.

Explore Other Top Investors

Discover portfolio companies of other leading venture capital firms and investors.

View All Investors