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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
Sensei Robotics2024Pre-Seed$500KSan Francisco
Proxis2024Pre-Seed$500KSan Francisco
Merse2024Pre-Seed$500KMiami
Kart AI2024Pre-Seed$500KSan Francisco
ideate.xyz2024Pre-Seed$500KSan Francisco
RiskAngle2024Pre-Seed$500KAtlanta
Opslane2024Pre-Seed$500KSan Francisco
Focus Buddy2024Pre-Seed$500KSan Francisco
Standard Data2024Pre-Seed$500KSan Francisco
Miru2024Pre-Seed$500KSan Francisco

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

Export
#CompanyStageAmountLocation
2851Sensei RoboticsPre-Seed$500KSan Francisco, United States
2852ProxisPre-Seed$500KSan Francisco, United States
2853MersePre-Seed$500KMiami, United States
2854Kart AIPre-Seed$500KSan Francisco, United States
2855ideate.xyzPre-Seed$500KSan Francisco, United States
2856RiskAnglePre-Seed$500KAtlanta, United States
2857OpslanePre-Seed$500KSan Francisco, United States
2858Focus BuddyPre-Seed$500KSan Francisco, United States
2859Standard DataPre-Seed$500KSan Francisco, United States
2860MiruPre-Seed$500KSan Francisco, United States
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)Cloud ComputingSoftware

Proxis is an AI based cloud computing platform designed for large language model distillation and serving.

San Francisco, 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)E-CommerceSaaSSales

Kart AI is an IT and Internet firm offering AI shopping assistant that can solve any query of the consumer related to the product.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Content MarketingSaaS

ideate.xyz provides individual AI design copilot that helps in content marketing with built-in AI designer.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BSaaS

RiskAngle speeds up underwriting decisions with AI that summarizes medical records and financial documents.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsDevOps

Opslane is an open tool that makes incident response easier by automating work and providing important details for engineers.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyInternet

Focus Buddy creates a supportive framework for productivity in remote work setups.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Data StorageSoftware

Standard Data is an AI-Driven data search software featuring data cleaning, data storage, and retrieval.

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

Founder Contacts

30,000+ verified contacts

Internet of ThingsRoboticsSoftware

Miru is a software development firm offering monitoring and troubleshooting autonomous vehicles, robots and drone.

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

Artificial Intelligence (AI)Consumer SoftwareMobile Apps

Vocal AI Assistant - Email and calendar handsfree

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)InfrastructureMetaverse

Felafax AI, YC-backed, is building BrowserOS—an open-source, privacy-first browser with local AI agents and Chrome-like features.

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

Founder Contacts

30,000+ verified contacts

Developer ToolsProductivity ToolsSoftware

Haystack Software automates the steps of software development allowing engineers to focus on key work.

San Francisco, United States
September 2024
$500K
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

FinTechSaaSSoftware

Formula Insight is a software development firm offering solutions for Institutional Investors to manage, track & query their models.

New York, 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)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

AnalyticsArtificial Intelligence (AI)Developer ToolsVirtual Assistant

MinusX provides an AI data scientist who integrates with Metabase to analyze business data.

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

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsMachine Learning

Moonglow helps machine learning researchers and data scientists in connecting local Jupyter notebooks to remote cloud compute.

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

Founder Contacts

30,000+ verified contacts

FinTechHuman ResourcesInformation Technology

Village Labs is an IT and Internet firm that is working to make businesses employee owned.

New York, 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

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

Showing 2851-2875 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, Information Technology, SaaS, Developer Tools. The firm invests across 35 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Sensei Robotics 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 Sensei Robotics, Proxis, Merse, Kart AI, ideate.xyz. These companies were founded in 2020 or later.

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