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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
Dollyglot2025Pre-Seed$500KSan Francisco
Closure2025Seed$7.0MNew York
Harbera2025Pre-Seed$500KSan Francisco
nunu.ai2025Seed$6.0MSan Francisco
Orchids2025Pre-Seed$500KSan Francisco
Outlit2025Pre-Seed$500KSan Francisco
Delineate2025Pre-Seed$500KBoston
TensorPool2025Pre-Seed$500KSan Francisco
Maive2025Pre-Seed$500KSan Francisco
TripleZip2025Pre-Seed$500KNew York

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

Export
#CompanyStageAmountLocation
2376DollyglotPre-Seed$500KSan Francisco, United States
2377ClosureSeed$7.0MNew York, United States
2378HarberaPre-Seed$500KSan Francisco, United States
2379nunu.aiSeed$6.0MSan Francisco, United States
2380OrchidsPre-Seed$500KSan Francisco, United States
2381OutlitPre-Seed$500KSan Francisco, United States
2382DelineatePre-Seed$500KBoston, United States
2383TensorPoolPre-Seed$500KSan Francisco, United States
2384MaivePre-Seed$500KSan Francisco, United States
2385TripleZipPre-Seed$500KNew York, United States
Generative AIInformation TechnologyVideo

Dollyglot is like Character.ai, but with real-time video avatars that transforms a photo and a voice into a lifelike friend.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cyber SecuritySoftware

Closure enables police, prosecutors, attorneys, and investigators to swiftly uncover the truth.

New York, United States
March 2025
$7.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Health CareSoftware

Harbera is a AI software for healthcare industry to monitors and proactively helps admin teams re-credential doctors.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)GamingInternet

nunu.ai is the frontier of artificial intelligence in gaming by creating the first multi-modal AI agents designed to test and play any game.

San Francisco, United States
March 2025
$6.0M
Seed

Founder Contacts

30,000+ verified contacts

AppsArtificial Intelligence (AI)Information TechnologySoftware

Orchids is an AI app builder for web, mobile, and agents using existing AI subscriptions.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BSoftware

Outlit powers AI-driven deal-making, accelerating enterprise sales with automated pricing, reviews, and execution.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)BiotechnologySaaS

Delineate offers evidence-based insights derived from research publications, patents, and databases to inform important business decisions.

Boston, United States
March 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Cloud ComputingDeveloper ToolsInformation TechnologySaaS

TensorPool makes ML model training effortless - just describe your job, and TensorPool handle GPU orchestration and execution.

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

Founder Contacts

30,000+ verified contacts

AerospaceArtificial Intelligence (AI)Compliance

Maive streamlines the aerospace compliance documentation required on the manufacturing shop floor.

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

Founder Contacts

30,000+ verified contacts

AccountingArtificial Intelligence (AI)Commercial Real Estate

TripleZip automates complex accounting tasks for Commercial Real Estate firms, cutting admin costs and lowering legal risk.

New York, United States
March 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsGenerative AI

a0.dev enables mobile developers to efficiently create high-quality applications by generating customized React Native projects.

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

Founder Contacts

30,000+ verified contacts

Commercial Real EstateReal EstateReal Estate Brokerage

Admyral Technologies offers a lead generation tool that enables commercial real estate brokers to find property owners contact details.

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

Founder Contacts

30,000+ verified contacts

Cloud ComputingDeveloper ToolsGenerative AISoftware

Pig is a software development company that develops API for automating Windows desktops with AI.

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

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)B2B

Weave resloves engineering tasks by merging large language models with targeted machine learning.

Oakland, United States
March 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BHealth CareRobotics

Cenote is a AI software that automates the back office for medical practices by storing patient records.

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

Founder Contacts

30,000+ verified contacts

EducationMedia and EntertainmentSaaSVideo

Miyagi Labs is an educational content creating platform that allows users to interact with professors.

New York, United States
March 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BBig DataData Collection and Labeling

Research lab investigating the boundaries of AI capabilities. Serving every frontier AI lab.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Health CareWellness

Vocality Health is a Voice AI platform for medical language translation, enhancing communication in healthcare.

March 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Developer ToolsInfrastructureOpen Source

Subtrace empowers developers to effortlessly monitor all production requests with just one command

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

Founder Contacts

30,000+ verified contacts

AerospaceEnergySoftware

Nuclear Software serves as a continuous integration platform tailored for engineering simulations within complex industries.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Generative AIProduct Design

emojis.com empowers small businesses with an AI graphic designer to create their brand identity without high costs.

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

Founder Contacts

30,000+ verified contacts

Generative AIInformation TechnologyNatural Language Processing

Open source Enterprise Search & AI agents

San Francisco, United States
March 2025
$10.0M
Seed

Founder Contacts

30,000+ verified contacts

Health CareSaaSSoftware

YouShift provides healthier, happier healthcare teams through intelligent scheduling.

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

Founder Contacts

30,000+ verified contacts

HardwareManufacturingSemiconductor

Inversion Semiconductor is engaged in the development of an advanced lithography platform for next-generation semiconductor applications.

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

Founder Contacts

30,000+ verified contacts

ConstructionGenerative AISoftware

Permitify is an AI tool that helps review building plans and ensures they follow building codes.

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

Founder Contacts

30,000+ verified contacts

Showing 2376-2400 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), Software, Generative AI, Information Technology, Health Care. The firm invests across 37 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Onyx received $10.0M in a Seed 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 Dollyglot, Closure, Harbera, nunu.ai, Orchids. These companies were founded in 2020 or later.

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