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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
$44.2B
Average Investment
$8.1M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Spect2021Seed$3.5MPalo Alto
GuruHotel2022SeedUndisclosedMountain View
FrankieOne2022Series A$15.3MMelbourne
LeO2021Seed$5.0MNew York
Relevium Medical2024GrantUndisclosedGalway
besimple AI2025SeedUndisclosedRedwood City
Getcho2024SeedUndisclosedSan Francisco
Alto Pharmacy2024Convertible NoteUndisclosedSan Francisco
Aether2022Seed$500KSão Paulo
Synvivia2021GrantUndisclosedBerkeley

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

Export
#CompanyStageAmountLocation
3851SpectSeed$3.5MPalo Alto, United States
3852GuruHotelSeedUndisclosedMountain View, United States
3853FrankieOneSeries A$15.3MMelbourne, Australia
3854LeOSeed$5.0MNew York, United States
3855Relevium MedicalGrantUndisclosedGalway, Ireland
3856besimple AISeedUndisclosedRedwood City, United States
3857GetchoSeedUndisclosedSan Francisco, United States
3858Alto PharmacyConvertible NoteUndisclosedSan Francisco, United States
3859AetherSeed$500KSão Paulo, Brazil
3860SynviviaGrantUndisclosedBerkeley, United States
Artificial Intelligence (AI)Health CareHealth DiagnosticsMedical

Spect is a data science company and the leading provider of end-to-end eye disease screening solutions.

Palo Alto, United States
November 2021
$3.5M
Seed

Founder Contacts

30,000+ verified contacts

E-CommercePaymentsTravel

DTC platform for Hotels

Mountain View, United States
November 2022
Seed

Founder Contacts

30,000+ verified contacts

Developer APIsFinTechFraud DetectionIdentity ManagementSaaS

KYC, KYB, AML and fraud orchestration platform. 350+ data sources, one API. Book a demo at frankieone.com/book-a-demo

Melbourne, Australia
November 2022
$15.3M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)InsuranceInsurTechLead GenerationSaaSSoftwareVirtual Assistant

LeO is a personal AI sales assistant platform for insurance agents.

New York, United States
November 2021
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

BiotechnologyPharmaceutical

Relevium Medical is a biopharmaceutical company offering medicines for osteoarthritis.

Galway, Ireland
November 2024
Grant

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Data ManagementSoftware

besimple AI is a software company that provides AI-based data annotation infrastructure designed for model training.

Redwood City, United States
November 2025
Seed

Founder Contacts

30,000+ verified contacts

Delivery ServiceFood DeliveryLast Mile TransportationLogisticsSame Day DeliverySoftware

Getcho is a last-mile delivery platform. We connect retailers with last-mile fleets, making sure orders are delivered.

San Francisco, United States
November 2024
Seed

Founder Contacts

30,000+ verified contacts

ConsumerHealth CareMedicalPharmaceuticalSoftware

Alto is a digital pharmacy that makes the prescription experience easier.

San Francisco, United States
November 2024
Convertible Note

Founder Contacts

30,000+ verified contacts

Aether AI is the undisputed AI bot solution serving businesses and consumers.

São Paulo, Brazil
November 2022
$500K
Seed

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyClinical TrialsLife Science

Synvivia creates organisms that can be controlled with small molecules.

Berkeley, United States
November 2021
Grant

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

Artificial Intelligence (AI)Information TechnologyLife ScienceProduct ResearchSoftware

Ndea develops frontier AI systems combining deep learning with program synthesis for AGI.

San Francisco, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BIndustrial AutomationInternet

Reprompt is the control panel for production AI systems.

South San Francisco, United States
January 2026
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Agentic AIArtificial Intelligence (AI)Electronic Health Record (EHR)Mental HealthSoftware

mdhub is the operating system and AI workforce for behavioral health, automating care and operations.

San Francisco, United States
January 2026
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BFinancial ExchangesSoftwareSupply Chain Management

CommodityAI provides AI-powered tools for commodity trading, inventory management, supply chain automation, and operational reporting.

San Francisco, United States
January 2026
Venture - Series Unknown

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

B2BProfessional NetworkingSales

PartnerHQ is a marketplace for B2B businesses to buy warm intros.

San Francisco, United States
January 2026
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyInternet

Sieve provides an API that automates data extraction and cleaning with AI and human validation.

New York, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

B2BInformation TechnologySaaSSoftware Engineering

OrgOrg provides internal SaaS tools for organizational productivity suite for the companies

Los Altos, United States
January 2026
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)

Arcane is a company that developing an artificial intelligence-powered platform for storytelling and role-playing games.

New York, United States
January 2026
Venture - Series Unknown

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

Health CareHealth DiagnosticsMedical

Codes Health specializes in automated collection of medical records, gathering data from exchanges, providers, and patients.

New York, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

BlockchainCryptocurrencyInformation TechnologySmart ContractsSoftware

t3rn is Modular Interoperability Layer

Lisbon, Portugal
November 2022
$6.5M
Private Equity

Founder Contacts

30,000+ verified contacts

AppsMobile AppsPet

Camlist is a mobile app that allows user to buy and sell anything related to pets, pet services, and pet accessories.

London, United Kingdom
November 2021
$1.3M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechProduct DesignService Industry

Hubla is a platform that helps creators to manage payment and administration by creating their own paid community.

São Paulo, Brazil
November 2021
Series A

Founder Contacts

30,000+ verified contacts

Showing 3851-3875 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), Software, B2B, SaaS, Information Technology. The firm invests across 55 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, FrankieOne received $15.3M in a Series A round. Y Combinator's total known invested capital is $44.2B.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $8.1M across its portfolio of 7,960 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include Spect, GuruHotel, FrankieOne, LeO, Relevium Medical. These companies were founded in 2020 or later.

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