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Y Combinator — Portfolio, Page 159

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

8,084
Companies
$56.4B
Total invested
$9.6M
Avg. check
63
Industries
Software 11Artificial Intelligence (AI) 6Information Technology 4Health Care 3FinTech 3Internet 3+57 more
Founder contacts

Verified emails & LinkedIn for founders across this portfolio.

jane@on●●●●●●●.com
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Verified contacts, updated monthly
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Portfolio companies

Showing 3793–3816 of 8,084
Ishiki Labs
December 2025

Building the future of multimodal AI

San Francisco$500K Pre-Seed
Lemon Slice
December 2025

Lemonslice provides translation and localization services for businesses to adapt content across multiple languages and markets.

Communications Infrastructure · San Francisco$10.5M Seed
Gen1E Lifesciences
December 2025

GEn1E is a clinical-stage multi-target AI platform. They develop novel, next-gen, immunomodulators for rare & inflammatory diseases.

Artificial Intelligence (AI) · Palo Alto$5.5M Venture - Series Unknown
Caribou
December 2024

Caribou helps companies expand globally by monitoring their entities to fix international tax & legal issues as they happen.

Financial Services · San FranciscoSeed
Skio
December 2021

Skio ($105M cash exit, $32M ARR, $8M seed) is subscription management software for brands on Shopify.

Advertising · New YorkSeed
spotLESS Materials
December 2021

spotLESS Materials is a cleantech platform.

Advanced Materials · State College$900K Seed
Klir
January 2026

Klir is the Operational Data Hub for water utilities, replacing fragmented systems and siloed data with one connected view of operations.

Data Management · Reno$7.5M Debt Financing
Artie
January 2026

Artie is a technology platform that provides real-time data replication and streaming services to synchronize data across systems.

Analytics · San Francisco$12.0M Series A
Cambio
January 2026

Cambio is an AI-native commercial real estate operations platform that transforms raw building data into actionable insights.

Agentic AI · New York$18.0M Series A
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
Bitstack
December 2025

Bitstack is a crypto-native neobank that is bringing a better way to manage all things money, with better money.

Bitcoin · Paris$15.0M Series A
PermitFlow
December 2025

PermitFlow is a construction permitting software that simplifies the permit preparation and submission process.

Artificial Intelligence (AI) · New York$54.0M Series B
Transmutex
January 2025

Transmutex will reduce stockpile of nuclear waste by 99% while producing profitable carbon-free energy.

Energy · Vernier$4.3M Grant
Redbird
January 2025

Redbird is an AI-powered workflow automation platform for business teams. Automate analytics, ops and reporting work with conversational AI.

Agentic AI · New YorkSeed
Public
December 2024

Public is a fintech brokerage firm that offers commission-free trading for a variety of asset classes.

Cryptocurrency · New York$105.0M Series D
Spherecast
December 2024

Spherecast is Software Development firm supporting multi channel E commerce businesses by Solving out of stock and overstock problems.

Consulting · San FranciscoPre-Seed
Bluedot
January 2024

Bluedot is a software company that develops applications for fleet management solutions and payment platforms for EV charging stations.

Automotive · Palo AltoSeed
NudgeLabs
January 2022

NudgeLabs provides expertise in psychology, healthcare, and technology with a laser focus on developing customer-focused experiences.

Biometrics · Stockholm$1.0M Pre-Seed
GMetri
December 2021

GMetri is an XR platform for businesses to create, track, and deploy solutions for Virtual, Mixed, and Augmented Reality.

Augmented Reality · Lewes$600K Seed
Sixfold Bioscience
December 2021

Sixfold Bioscience develops and researches on biotechnology advances for RNA therapies.

Biotechnology · LondonGrant
Circa
December 2021

Circa enables sales and marketing teams to collaborate at in-person and virtual events.

Advertising · Santa FePre-Seed
Unbabel
December 2023

Unbabel is an IT company that helps businesses deliver multilingual customers thrive across cultures and geographies through AI.

Artificial Intelligence (AI) · Lisbon$21.0M Venture - Series Unknown
Metriport
December 2022

Metriport is an open-source platform that makes it easy for healthcare organizations to access and exchange medical data for their patients.

Developer Tools · San FranciscoSeed
Flower Company
December 2021

Flower Company is a cannabis wholesale membership club.

Cannabis · ArcataSeries A

Where Y Combinator invests

Software11
Artificial Intelligence (AI)6
Information Technology4
Health Care3
FinTech3
Internet3

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 Software, Artificial Intelligence (AI), Information Technology, Health Care, FinTech. The firm invests across 63 different industry categories.

What is Y Combinator's largest investment?▸

Among tracked funding rounds, Public received $105.0M in a Series D round. Y Combinator's total known invested capital is $56.4B.

What is the average investment size for Y Combinator?▸

Y Combinator's average investment size is $9.6M across its portfolio of 8,084 companies.

What are Y Combinator's most recent investments?▸

Recent Y Combinator portfolio additions include Ishiki Labs, Lemon Slice, Gen1E Lifesciences, Caribou, Skio. These companies were founded in 2020 or later.

Reach the founders behind these 8,084 companies
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