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Y Combinator — Portfolio, Page 193

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

8,084
Companies
$49.0B
Total invested
$8.4M
Avg. check
54
Industries
Artificial Intelligence (AI) 18Information Technology 8Software 8FinTech 3Machine Learning 3Analytics 3+48 more
Founder contacts

Verified emails & LinkedIn for founders across this portfolio.

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Portfolio companies

Showing 4609–4632 of 8,084
Kobalt Labs
December 2025

Kobalt Labs provides an AI copilot for risk and compliance teams at financial institutions.

Artificial Intelligence (AI) · New York$11.0M Series A
OpenBuilder
December 2025

OpenBuilder is the vibe coding platform that helps non-technical builders take their ideas to production.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Velum Labs
December 2025

Velum Labs provides a firewall that redacts sensitive information in data and documents.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Lakonia Technologies
December 2025

Lakonia Technologies develops an AI platform that transcribes and analyzes tactical communications for defense and emergency teams.

Analytics · San Francisco$500K Pre-Seed
Nessie Labs
December 2025

Nessie Labs offers an AI knowledge base application that converts scattered AI conversations into an organized and searchable memory.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Lunavo Technologies
December 2025

Lunavo Technologies offers an AI automation platform that streamlines logistics operations by automating tasks and analyzing real-time data.

Analytics · Pullach Im Isartal$500K Pre-Seed
Mixy
December 2025

Mixy is the developer of a mobile music application that allows users to blend vocals and beats from their music libraries.

Artificial Intelligence (AI) · Dover$500K Pre-Seed
Koyal
December 2025

Koyal is an artificial intelligence platform that transforms audio into visually compelling and personalized videos.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Reshape Systems
December 2025

Reshape Systems designs AI-powered software solutions to automate, streamline and optimize production processes for manufacturers

Artificial Intelligence (AI) · Prilly$187K Grant
Archal Labs
December 2025

Infrastructure, Dev Tools, AI

—$500K Pre-Seed
NOX METALS
December 2025

Nox Metals is an AI-powered metals supplier empowering modern American manufacturing at scale.

Industrial · DetroitUndisclosed
Reditus Space
December 2025

Reditus Space specializes in microgravity manufacturing, offering reusable small-scale re-entry vehicles for space research and production.

Aerospace · Atlanta$7.1M Seed
The Hog
December 2025

The Hog provides an AI platform that tracks market trends and competitor activity to create sales and marketing plans.

Analytics$500K Pre-Seed
Rithmik Solutions
December 2025

Rithmik is a mining technology company.

Artificial Intelligence (AI) · MontrealSeries A
Raindrop
December 2025

Raindrop is a provider of a monitoring platform for AI agents.

Artificial Intelligence (AI) · San Francisco$15.0M Seed
Erad
November 2025

Working capital for SMEs

FinTech · Riyadh$125.0M Debt Financing
besimple AI
November 2025

besimple AI is a software company that provides AI-based data annotation infrastructure designed for model training.

Artificial Intelligence (AI) · Redwood City$3.0M Seed
Fifth Door
November 2025

Fifth Door is a next-generation game platform that enables you to bring your game online in just minutes.

Casual Games · San Francisco$20.0M Seed
Coval
November 2025

Coval is a simulation and evaluation platform for AI agents, enabling engineers to deploy reliable assistants across chat and modalities.

Artificial Intelligence (AI) · San FranciscoSeed
Morphle Labs
November 2025

Morphle Labs is a deep-tech healthcare automation company that develops robotic and imaging systems for cancer diagnostics.

Artificial Intelligence (AI) · Bangalore$5.0M Series A
Model ML
November 2025

Model ML provides AI tools that automate tedious tasks in finance, enabling firms to process deals and models more efficiently.

Artificial Intelligence (AI) · New York$75.0M Series A
Maritime Fusion
November 2025

Maritime Fusion specializes in the development and construction of high-temperature superconducting fusion reactors.

Energy · San Francisco$4.5M Seed
Cerrion
November 2025

Cerrion is an AI software company that develops computer vision technology to generate production insights.

Artificial Intelligence (AI) · Zürich$18.0M Series A
Bluma
November 2025

Bluma is an AI-native platform that automatically creates viral short-form ads for your business using our library of templates.

Advertising · San Francisco$500K Pre-Seed

Where Y Combinator invests

Artificial Intelligence (AI)18
Information Technology8
Software8
FinTech3
Machine Learning3
Analytics3

About Y Combinator's portfolio

How many companies has Y Combinator invested in?▸

Y Combinator has invested in 8,084 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), Information Technology, Software, FinTech, Machine Learning. The firm invests across 54 different industry categories.

What is Y Combinator's largest investment?▸

Among tracked funding rounds, Erad received $125.0M in a Debt Financing round. Y Combinator's total known invested capital is $49.0B.

What is the average investment size for Y Combinator?▸

Y Combinator's average investment size is $8.4M across its portfolio of 8,084 companies.

What are Y Combinator's most recent investments?▸

Recent Y Combinator portfolio additions include Kobalt Labs, OpenBuilder, Velum Labs, Lakonia Technologies, Nessie Labs. These companies were founded in 2020 or later.

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