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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
Codes Health2024Pre-Seed$500KNew York
AI Sell2024Pre-Seed$500KSan Francisco
Plume2024Pre-Seed$500KSan Francisco
Melty2024Pre-Seed$500KSan Francisco
Saphira AI2024Pre-Seed$500KSan Francisco
AutoPallet Robotics2024Pre-Seed$500KSan Francisco
Flyflow2024Pre-Seed$500KSan Francisco
Ply Health2024Pre-Seed$500KSan Francisco
Promi2024Pre-Seed$500KSan Francisco
OrgOrg2024Pre-Seed$500KLos Altos

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

Export
#CompanyStageAmountLocation
2801Codes HealthPre-Seed$500KNew York, United States
2802AI SellPre-Seed$500KSan Francisco, United States
2803PlumePre-Seed$500KSan Francisco, United States
2804MeltyPre-Seed$500KSan Francisco, United States
2805Saphira AIPre-Seed$500KSan Francisco, United States
2806AutoPallet RoboticsPre-Seed$500KSan Francisco, United States
2807FlyflowPre-Seed$500KSan Francisco, United States
2808Ply HealthPre-Seed$500KSan Francisco, United States
2809PromiPre-Seed$500KSan Francisco, United States
2810OrgOrgPre-Seed$500KLos Altos, United States
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)E-CommerceMachine LearningSaaSSoftware Engineering

AI Sell is an artificial intelligence-driven software that assists eCommerce businesses in enhancing their sales performance.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Home RenovationRenewable Energy

Plume makes it easy to improve home energy efficiency by assessing home, suggesting upgrades, and finding trusted contractors.

San Francisco, 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

Artificial Intelligence (AI)ComplianceHardwareSaaSSoftware

Saphira AI is an artificial intelligence company that offers a software for hardware products to get and maintain safety certification.

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

Founder Contacts

30,000+ verified contacts

Machine LearningRoboticsWarehouse Automation

AutoPallet Robotics automates case picking in warehouses with swarms of agile mobile robots using existing infrastructure.

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

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

E-CommerceMachine LearningSaaS

Promi revolutionizes e-commerce pricing by implementing dynamic, personalized discounts, maximizing customer engagement and satisfaction.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyTransportation

Ontra provides urban areas and transit agencies with the tools to enhance ridership.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BFinanceFinTechSaaS

TradeFlow uses AI to automate financial securities settlement, streamlining back-office tasks and reducing reliance on manual processes.

New York, 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

Artificial Intelligence (AI)Data ManagementTraining

Sepal AI provides data development, fine-tuning, and inference for optimized model output.

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

Founder Contacts

30,000+ verified contacts

Developer ToolsRoboticsSaaSSoftware

Autumn Labs is a platform for manufacturing observability and operations

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

Founder Contacts

30,000+ verified contacts

ElectronicsManufacturingSemiconductorSoftware

DeepSim develops electronic design automation technology.

Mountain View, United States
September 2024
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

AppsArtificial Intelligence (AI)ContentSoftware

Capitol AI uses AI to create compelling narratives from data, aiding research, analysis, and content creation.

New York, Honduras
September 2024
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)InsuranceLegal

Olive empowers lawyers to gain deeper insights into their clients' medical records by leveraging the power of AI technology.

San Francisco, 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

Stack Auth is an open-source platform for authentication and user managemen built for developers.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Machine LearningVideo

Aviary makes large video collections searchable and understandable, mimicking human video comprehension.

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)Health CareHealth Diagnostics

Kairo Health builds AI agents that help deliver patient care at a fraction of the cost.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsSaaS

Outerport lets you understand your complex documents faster with chain-of-memory reasoning.

San Francisco, United States
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

Showing 2801-2825 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), SaaS, Software, Machine Learning, Information Technology. The firm invests across 43 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Codes Health received $500K in a Pre-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 Codes Health, AI Sell, Plume, Melty, Saphira AI. These companies were founded in 2020 or later.

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