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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
7,916
Total Invested
$61.9B
Average Investment
$11.1M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Coinrule2021Seed$2.1MLondon
Phiar Technologies2021Series A$12.0MRedwood City
Mintos2024Debt Financing$2.2MRiga
PoloTab2024SeedUndisclosedMexico City
Vespper2024Pre-Seed$500KSan Francisco
LedgerUp2024Venture - Series Unknown$500KSan Francisco
Quetzal Labs2024Pre-Seed$500KOakland
Terrace2024Seed$4.7MSan Francisco
Prequel2023Seed$5.2MNew York
Brainboard2021Pre-Seed$1.2MSan Francisco

Complete List of Y Combinator Portfolio Companies (7,916)

Export
#CompanyStageAmountLocation
101CoinruleSeed$2.1MLondon, United Kingdom
102Phiar TechnologiesSeries A$12.0MRedwood City, United States
103MintosDebt Financing$2.2MRiga, Latvia
104PoloTabSeedUndisclosedMexico City, Mexico
105VespperPre-Seed$500KSan Francisco, United States
106LedgerUpVenture - Series Unknown$500KSan Francisco, United States
107Quetzal LabsPre-Seed$500KOakland, United States
108TerraceSeed$4.7MSan Francisco, United States
109PrequelSeed$5.2MNew York, United States
110BrainboardPre-Seed$1.2MSan Francisco, United States
B2CBlockchainCryptocurrencyDecentralized Finance (DeFi)FinTechStock ExchangesTrading Platform

Coinrule is a fintech firm that specializes in the automation of cryptocurrencies, decentralized finance, exchange-traded funds, and stocks.

London, United Kingdom
September 2021
$2.1M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Augmented RealityAutomotiveComputer VisionMachine LearningNavigationSoftware

Phiar's Ultra-lightweight Spatial AI Engine enables vehicles to perceive its surroundings, and powers our first use case in AR Navigation.

Redwood City, United States
September 2021
$12.0M
Series A

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechWealth Management

Europe's leading investment platform for earning regular passive income, authorized under MiFID with multiple industry awards.

Riga, Latvia
September 2024
$2.2M
Debt Financing

Founder Contacts

30,000+ verified contacts

B2BFinTechHospitalityPaymentsPoint of SaleRestaurantsSaaSSoftware

PoloTab is a software company that develops POS and management solutions for LatAm restaurants and Coffee Shops.

Mexico City, Mexico
September 2024
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BBiotechnologyComplianceGenerative AIHealth CareLife ScienceMedical DevicePharmaceutical

Vespper is the first MCP for docx documents

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

Founder Contacts

30,000+ verified contacts

AccountingArtificial Intelligence (AI)FinTechGenerative AI

LedgerUp is an AI bookkeeper who understands business and is as accessible as sending an email.

San Francisco, United States
September 2024
$500K
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)SaaSSoftwareSoftware Engineering

Quetzal Labs is an LLM-driven suite for instant software and content translation, handling all internationalization needs.

Oakland, United States
September 2024
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

BlockchainCryptocurrencyFinancial ServicesInfrastructureTrading Platform

Terrace is an all-in-one trading terminal, broker, and portfolio management system for crypto

San Francisco, United States
September 2024
$4.7M
Seed

Founder Contacts

30,000+ verified contacts

Enterprise SoftwareWarehouse AutomationWeb Apps

Data infrastructure company

New York, United States
September 2023
$5.2M
Seed

Founder Contacts

30,000+ verified contacts

Cloud InfrastructureCloud ManagementInformation TechnologySoftware

Brainboard is a software company that provides engineers with end-to-end tools for managing and visually designing Cloud infrastructures.

San Francisco, United States
September 2021
$1.2M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Education

Mentorcam gives people access to renowned experts and public figures for 1-on-1 mentorship and advice.

Los Angeles, United States
September 2021
$2.7M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Food and BeverageInformation Technology

Burnt is building an AI Watchtower for the supply chain industry, starting with the food supply chain

San Francisco, United States
September 2025
$3.8M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)MedicalTherapeuticsWellness

Ply Health helps behavioral health providers see more patients by getting them in a network with insurance companies.

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

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechTrading Platform

Bayesline delivers highly customizable and blazing fast analytics to asset managers and asset owners.

New York, United States
September 2024
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Audio

Merse is a comic book reader and AI creation tool featuring audio effects.

Miami, United States
September 2024
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ConsultingInformation TechnologySoftware

Merlin AI develops a AI-powered construction management software that helps with optimized operations.

Irvine, United States
September 2024
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyInternet

Superfilter is an IT internet firm offering AI that manages email.

Dover, United States
September 2024
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

AppsArtificial Intelligence (AI)Digital EntertainmentVideo

Storia AI creating a creative assistant to facilitate quick and enjoyable video production.

Millbrae, United States
September 2024
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

CADGenerative AIMechanical Design

Camfer builds AI mechanical engineer that helps humans design, test, and improve 3D models on CAD platforms.

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

Founder Contacts

30,000+ verified contacts

ComputerDatabaseSoftware

Invaria is a logging and observability platform that automatically adds actionable logs to entire codebase.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ConsumerInformation TechnologyMedia and Entertainment

Overlap is an IT and Internet firm offering a solution to find informative content inside long form content like Youtube.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Data IntegrationData Management

Building cmux, the open source terminal built for coding agents.

Los Angeles, United States
September 2024
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsSoftware

Random Labs develops a local open-source software engine, promoting collaboration and accessibility for all in tech.

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

Founder Contacts

30,000+ verified contacts

Consumer SoftwareMobile AppsSoftware Engineering

et al. is a mobile application that brings together newsletters, research papers, podcasts, and more in one place.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Generative AIMedia and Entertainment

DreamRP empowers creators to engage fans through ethical AI, turning characters into chatbots for interactive storytelling.

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

Founder Contacts

30,000+ verified contacts

Showing 101-125 of 7,916 portfolio companies

Frequently Asked Questions About Y Combinator

How many companies has Y Combinator invested in?

Y Combinator has invested in 7,916 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, FinTech, Information Technology, Generative AI. The firm invests across 60 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Phiar Technologies received $12.0M in a Series A round. Y Combinator's total known invested capital is $61.9B.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $11.1M across its portfolio of 7,916 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include Coinrule, Phiar Technologies, Mintos, PoloTab, Vespper. These companies were founded in 2020 or later.

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