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Y Combinator — Portfolio, Page 199

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

8,084
Companies
$55.2B
Total invested
$9.9M
Avg. check
48
Industries
Artificial Intelligence (AI) 15Software 12SaaS 5Machine Learning 5Developer Tools 5Information Technology 4+42 more
Founder contacts

Verified emails & LinkedIn for founders across this portfolio.

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Verified contacts, updated monthly
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Portfolio companies

Showing 4753–4776 of 8,084
Flai
October 2025

Flai is an AI-powered virtual assistant platform designed for enhancing dealership operations and customer engagement.

Artificial Intelligence (AI) · San Francisco$4.5M Seed
Pangolin
October 2025

Pangolin provides an open-source gateway for secure access to internal applications with user-based permissions.

DevOps · San Francisco$4.7M Seed
Oneleet
October 2025

Oneleet offers a cybersecurity platform for automated security and compliance.

Artificial Intelligence (AI) · Amsterdam$33.0M Series A
Metreecs
October 2025

Metreecs helps retailers plan and allocate products efficiently with AI forecasting, driving sales and reducing waste.

Artificial Intelligence (AI) · San Francisco$3.2M Seed
SF Tensor
October 2025

The San Francisco Tensor Company is reinventing the software and infrastructure stack for modern AI and HPC.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Ansa Biotechnologies
October 2025

Ansa Biotechnologies develops a novel DNA synthesis technology based on enzymes.

Biotechnology · Emeryville$46.4M Series B
Lilac
October 2025

Lilac is a Software Development firm providing an enterprise GPU cloud.

Cloud Computing · San Francisco$2.5M Seed
Talus Network
September 2025

Talus Network is an innovative blockchain platform that aims to decentralize artificial intelligence.

Artificial Intelligence (AI) · Los Angeles$10.0M Series Unknown
Alex AI
September 2025

Alex AI is an autonomous recruiter that automates candidate screening and interviewing processes.

Artificial Intelligence (AI) · San Francisco$17.0M Series A
Actual AI
September 2025

Actual AI analyzes productivity and engagement data to automate performance reviews for software teams.

Artificial Intelligence (AI) · Seattle$3.2M Seed
Mohi
September 2025

Mohi provides a platform that analyzes and clarifies complex AI agent workflows to help optimize and troubleshoot autonomous processes.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
PostHog
September 2025

PostHog is an open source platform that helps build successful products by providing tools to evaluate feature impact and customer value.

Analytics · San Francisco$75.0M Series E
Zalos
September 2025

Zalos creates AI tools that automate finance tasks, handle invoices, manage payments, and integrate with accounting systems.

Accounting · San Francisco$500K Pre-Seed
Deckard Technologies
September 2025

Deckard Technologies provides software solutions for monitoring and ensuring compliance in short-term rental (STR) markets.

Artificial Intelligence (AI) · San Diego$3.9M Debt Financing
Alguna
September 2025

Alguna is a modern pricing, quoting and billing platform.

B2B · San Francisco$4.0M Seed
Burnt
September 2025

Burnt is building an AI Watchtower for the supply chain industry, starting with the food supply chain

Artificial Intelligence (AI) · San Francisco$3.8M Seed
Selfin
September 2025

Selfin is an AI powered bank that unifies users financial accounts and uses AI to optimize and automate money management.

Artificial Intelligence (AI) · London$500K Pre-Seed
Arcten
September 2025

Building the platform for companies to ship AI agents fast

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Quantbase
September 2025

High risk index funds for stocks, crypto, NFTs, prediction markets, art, and more.

Cryptocurrency · New York$26.8M Series Unknown
Jarmin
September 2025

Jarmin offers machine-learning engineering services to help companies build and deploy AI/ML systems.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Gullak.Money
September 2025

Gullak.Money aims to create an all-inclusive ecosystem of saving which is accessible to all.

FinTech · Bengaluru$7.5M Series A
Affect
September 2025

Affect uses mobile technology to revolutionize stimulant addiction recovery.

Addiction Treatment · New York$26.0M Series B
AmplifAI
September 2025

Applying science to make teams better.

Analytics · Plano$33.7M Series B
Greptile
September 2025

Greptile is an AI code reviewer that automatically reviews pull requests with full codebase context.

Enterprise Software · San Francisco$25.0M Series A

Where Y Combinator invests

Artificial Intelligence (AI)15
Software12
SaaS5
Machine Learning5
Developer Tools5
Information Technology4

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), Software, SaaS, Machine Learning, Developer Tools. The firm invests across 48 different industry categories.

What is Y Combinator's largest investment?▸

Among tracked funding rounds, PostHog received $75.0M in a Series E round. Y Combinator's total known invested capital is $55.2B.

What is the average investment size for Y Combinator?▸

Y Combinator's average investment size is $9.9M across its portfolio of 8,084 companies.

What are Y Combinator's most recent investments?▸

Recent Y Combinator portfolio additions include Flai, Pangolin, Oneleet, Metreecs, SF Tensor. These companies were founded in 2020 or later.

Reach the founders behind these 8,084 companies
Verified emails and LinkedIn profiles, updated monthly.
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