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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
Paasa2024Pre-Seed$500KGurgaon
Cracked2024Pre-Seed$500KSan Francisco
Zeit AI2024Pre-Seed$500KSan Francisco
Asterisk2024Pre-Seed$500KSan Francisco
Dodo2024Pre-Seed$500KSan Francisco
Flyflow2024Pre-Seed$500KSan Francisco
Biocartesian2024Pre-Seed$500KSan Francisco
Poka Labs2024Pre-Seed$2.5MSan Francisco
Stempad2024Pre-Seed$500KSan Francisco
RetroFix AI2024Pre-Seed$500KSan Francisco

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

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#CompanyStageAmountLocation
2876PaasaPre-Seed$500KGurgaon, India
2877CrackedPre-Seed$500KSan Francisco, United States
2878Zeit AIPre-Seed$500KSan Francisco, United States
2879AsteriskPre-Seed$500KSan Francisco, United States
2880DodoPre-Seed$500KSan Francisco, United States
2881FlyflowPre-Seed$500KSan Francisco, United States
2882BiocartesianPre-Seed$500KSan Francisco, United States
2883Poka LabsPre-Seed$2.5MSan Francisco, United States
2884StempadPre-Seed$500KSan Francisco, United States
2885RetroFix AIPre-Seed$500KSan Francisco, United States
FinanceFinTechInformation Technology

Paasa is an IT Fintech firm offering investing platform with access to build wealth in US markets.

Gurgaon, India
September 2024
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Graphic DesignInformation Technology

Cracked provides AI-powered tools for creating motion graphics quickly with text prompts, streamlining animation workflows.

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

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Database

Zeit AI changes Excel files into a structured database that user can query using everyday language.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BSaaSSecurity

Asterisk is an AI tool that automatically detects security vulnerabilities in codebases, automating audits with near-zero false positives.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)SoftwareVeterinary

Dodo is a software development firm offering AI medical practices Employee services to vet clinics.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ConsultingDeveloper PlatformSoftware

Flyflow is a AI copilot that enables companies to find prospective customers using AI workflows.

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

Founder Contacts

30,000+ verified contacts

B2BBiotechnologyHealth Diagnostics

Biocartesian combines microscopy and chemistries to detect molecules in tissues, providing insights into disease biology and therapies.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ManufacturingSaaSSchedulingSoftware

Poka Labs is developing AI-driven production scheduling solutions for the chemical manufacturing industry.

San Francisco, United States
September 2024
$2.5M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Productivity ToolsSaaS

Stempad is a pen-and-paper tool for science, making writing and collaboration quick and easy.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)SaaSTax Consulting

RetroFix AI provides a web platform that helps to claim for tax rebates automatically for contractors.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cloud ComputingDeveloper Tools

Kura serves as a DevOps copilot, aiding software teams in the management of their cloud infrastructure.

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

Founder Contacts

30,000+ verified contacts

Information TechnologyLogisticsMachine LearningRoboticsSoftware

Ultra develops and deploys intelligent warehouse robots designed for task automation, particularly in e-commerce packaging environments.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Environmental ConsultingInsurance

Silurian developed foundational models to simulate Earth, focusing on weather as the starting point.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsSoftware

CodeViz uses an AI agent to create interactive maps of codebases, making it easier for engineers to understand and navigate.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)DatabaseInformation TechnologyRobotics

Sensei Robotics is a Engineering firm offering outsourcing and data collections to other robotics companies developing AI for robots.

San Francisco, 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

Developer APIsDeveloper ToolsGenerative AISaaS

Comfy Deploy is a SaaS company that offers production-ready APIs for generative AI applications.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Business DevelopmentOutsourcing

Callback automates invoice processing, PDF parsing, allowing customers to focus on their core business operations.

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

Founder Contacts

30,000+ verified contacts

Energy StorageEnterprise SoftwareOpen SourceSoftware

Ionworks is a Software Development firm offering simulation software used by battery and automotive companies.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsGenerative AI

Melty offers an open-source AI code editor that helps engineers write production-ready code and better understand coding.

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

Founder Contacts

30,000+ verified contacts

AccountingArtificial Intelligence (AI)Enterprise Resource Planning (ERP)Financial ServicesFinTech

The Unified AI-ERP & FP&A Platform

New York, United States
September 2024
$13.5M
Series A

Founder Contacts

30,000+ verified contacts

AutomotiveFitnessWellness

FluidLogic designs and manufactures active hydration systems and accessories to promote healthier living.

El Segundo, United States
September 2024
$15.0M
Series A

Founder Contacts

30,000+ verified contacts

Financial ServicesInsuranceMarketplace

Ledger Investing is an online marketplace powering interactions between investors and insurance carriers.

New York, United States
September 2024
$100.0M
Undisclosed

Founder Contacts

30,000+ verified contacts

AerospaceAgricultureAir TransportationAutonomous VehiclesManufacturingRoboticsSoftware

Pyka is a robotics company on a mission to build the most useful autonomous aircraft on Earth.

Alameda, United States
September 2024
$40.0M
Series B

Founder Contacts

30,000+ verified contacts

Showing 2876-2900 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, SaaS, Developer Tools, Information Technology. The firm invests across 47 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Ledger Investing received $100.0M in a Undisclosed 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 Paasa, Cracked, Zeit AI, Asterisk, Dodo. These companies were founded in 2020 or later.

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