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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
Seed Global Health2024Grant$6.3MBoston
Starling Medical2024Undisclosed$8.9MHouston
AltiusHub2024Seed$2.2MHyderabad
Mosaic Manufacturing2024Undisclosed$20.6MToronto
point.me2024Series B$15.0MNew York
Multiscale AI2024Series A$11.1MAtlanta
Redcliffe Labs2024Series C$42.0MNoida
Shimmer2024Seed$25KSan Francisco
Momo Medical2024Series Unknown$8.9MDelft
Guardian RF2024Seed$2.5MWashington

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

Export
#CompanyStageAmountLocation
2901Seed Global HealthGrant$6.3MBoston, United States
2902Starling MedicalUndisclosed$8.9MHouston, United States
2903AltiusHubSeed$2.2MHyderabad, India
2904Mosaic ManufacturingUndisclosed$20.6MToronto, Canada
2905point.meSeries B$15.0MNew York, United States
2906Multiscale AISeries A$11.1MAtlanta, United States
2907Redcliffe LabsSeries C$42.0MNoida, India
2908ShimmerSeed$25KSan Francisco, United States
2909Momo MedicalSeries Unknown$8.9MDelft, The Netherlands
2910Guardian RFSeed$2.5MWashington, United States
EducationHealth CareMedicalNon Profit

Seed Global Health strengthens health education and delivery in places facing a dire shortage of health professionals.

Boston, United States
September 2024
$6.3M
Grant

Founder Contacts

30,000+ verified contacts

Health CareHealth DiagnosticsMedical Device

Starling develops predictive technology to identify chronic illnesses earlier.

Houston, United States
September 2024
$8.9M
Undisclosed

Founder Contacts

30,000+ verified contacts

Life SciencePharmaceuticalSoftware

AltiusHub is an application for serialization, tracking and tracing the compliance, and warehousing for pharmaceutic and defense industries.

Hyderabad, India
September 2024
$2.2M
Seed

Founder Contacts

30,000+ verified contacts

3D PrintingManufacturingRoboticsSupply Chain Management

Mosaic is building the tools to make manufacturing more sustainable and resilient.

Toronto, Canada
September 2024
$20.6M
Undisclosed

Founder Contacts

30,000+ verified contacts

ConsultingInformation ServicesLoyalty ProgramsSubscription ServiceTravel

Point.me is a travel engagement platform that connects consumers to loyalty programs with the reward flights for their points.

New York, United States
September 2024
$15.0M
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyMachine Learning

Simplify and advance materials innovation for every product company

Atlanta, United States
September 2024
$11.1M
Series A

Founder Contacts

30,000+ verified contacts

Emergency MedicineHealth CareHealth DiagnosticsLife ScienceMedical

Redcliffe is a diagnostics service provider that offers radiology and pathology services.

Noida, India
September 2024
$42.0M
Series C

Founder Contacts

30,000+ verified contacts

Health CareMedicalPersonal HealthWellness

Shimmer provides a platform for 1:1 remote ADHD coaching

San Francisco, United States
September 2024
$25K
Seed

Founder Contacts

30,000+ verified contacts

Health CareHospitalMedical DeviceSensor

Momo Medical develops an IoT-equipped bed sensor that helps nurses track their elderly patients.

Delft, The Netherlands
September 2024
$8.9M
Series Unknown

Founder Contacts

30,000+ verified contacts

DronesIntrusion DetectionManufacturingNational SecuritySecurity

Guardian RF is a defense and security manufacturing startup that provides drone detection technology to US defense and national security.

Washington, United States
September 2024
$2.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)InfrastructureSaaS

Drymerge is a developing software to let people automate tasks using plain English.

San Francisco, United States
September 2024
$2.2M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Legal TechSaaSSoftware

Lexter is a SaaS platform that helps legal teams automate documents' analysis and revision using AI.

São Paulo, Brazil
September 2024
Non Equity Assistance

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)GamingSoftwareVirtual Reality

Campfire is an operator of an online platform intended to help remote teams to have fun virtually in socials.

Toronto, Canada
September 2024
$4.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Generative AIInformation TechnologyInternetProduct SearchSearch EngineSemantic Search

Trieve is the modern API for search, recommendations, and RAG at scale

San Francisco, United States
September 2024
$3.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsInformation TechnologySaaS

Maitai is a reliable and self-improving enterprise AI, ready to enhance the business efficiency.

San Francisco, United States
September 2024
Seed

Founder Contacts

30,000+ verified contacts

Health CareSaaSSoftware

Latent develops medical language models to reduce healthcare operational costs.

San Francisco, United States
September 2024
$13.0M
Seed

Founder Contacts

30,000+ verified contacts

Developer ToolsOpen Source

Odigos delivers complete observability across modern distributed systems—reaching what traditional agents cannot.

Tel Aviv, Israel
September 2024
$13.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BMarketing

Luthor automates your end-to-end content strategy. Scale up content delivery — effortlessly.

San Francisco, United States
September 2024
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)BankingCredit CardsFinancial ServicesFinTech

Every uses AI technology to provide all back office services at one place that includes banking, payroll, bookkeeping, and taxes.

San Francisco, United States
September 2024
$22.5M
Series A

Founder Contacts

30,000+ verified contacts

FinanceFinancial ServicesFinTechLegalNon Profit

Upsolve helps low-income individuals to file for bankruptcy for free.

Brooklyn, United States
September 2024
$4.2M
Grant

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cloud Data ServicesHealth CareMachine LearningMedical

Segmed is a RWE governance platform that provides clinical data and medical imaging for platform solutions.

Palo Alto, United States
September 2024
$10.4M
Series A

Founder Contacts

30,000+ verified contacts

Developer ToolsInformation TechnologySoftware

Mintlify is an AI platform for creating, updating, and managing documentation with search, context-aware drafting, and security features.

San Francisco, United States
September 2024
$18.5M
Series A

Founder Contacts

30,000+ verified contacts

Health CareMedical DeviceWomen's

Ananya Health develops a medical device for treating cervical pre-cancer.

San Francisco, United States
September 2024
$2.3M
Grant

Founder Contacts

30,000+ verified contacts

Dietary SupplementsHealth CarePersonal HealthWellness

Gainful is a personalized sports nutrition company that offers subscriptions to its Hydration line of electrolyte drink mixes.

San Francisco, United States
September 2024
Series B

Founder Contacts

30,000+ verified contacts

BlockchainCryptocurrencyDeveloper PlatformFinTechSoftware

Quai Network develops a decentralized cryptocurrency blockchain with stablecoin capabilities.

Zug, Switzerland
August 2024
$5.0M
Series Unknown

Founder Contacts

30,000+ verified contacts

Showing 2901-2925 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 Health Care, Artificial Intelligence (AI), Software, Medical, Information Technology. The firm invests across 56 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Redcliffe Labs received $42.0M in a Series C 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 Seed Global Health, Starling Medical, AltiusHub, Mosaic Manufacturing, point.me. These companies were founded in 2020 or later.

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