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Y Combinator — Portfolio, Page 57

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

8,084
Companies
$56.8B
Total invested
$9.7M
Avg. check
66
Industries
Software 10Artificial Intelligence (AI) 7Information Technology 4E-Commerce 4Health Care 4Biotechnology 3+60 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 1345–1368 of 8,084
Armory
May 2022

Armory is an enterprise software company commercializing the open-source continuous delivery platform, Spinnaker.

Cloud Computing · San MateoVenture - Series Unknown
Relay Commerce
May 2022

Relay Commerce is an e-commerce enablement platform offering personalized messaging, social commerce, and customer retention solutions.

E-Commerce · New York$20.0M Debt Financing
Lovage
May 2022

Lovage helps barbers and stylists turn open appointment slots into booked clients.

B2B · LehiSeed
Pillar
May 2022

Pillar is an all-in-one creator store & media kit that powers the world's biggest creator businesses

Content Creators · San Francisco$200K Seed
Engage Bio
May 2022

Engage Bio develops non-viral DNA medicines for genetic and therapeutic applications.

Biotechnology · San CarlosSeed
SoBanHang (Finan Pte. Ltd.)
May 2026

SoBanHang evolutionizes the way small business owners manage operations and gain financial inclusion at their fingertips.

Apps · Singapore$3.8M Seed
Happl
May 2026

Happl is your personalised benefits and engagement platform for global teams.

B2B · London$5.0M Series A
Gusto Collective
May 2022

Asia’s leading Brand Technology holding company, where tech-powered storytelling and cutting-edge martech solutions converge

Brand Marketing · Hong Kong$11.0M Seed
Lightly
May 2022

Lightly is a data curation company for machine learning that helps companies build better models through better data.

Artificial Intelligence (AI) · Zürich$3.0M Seed
Pops
May 2026

Pops is an AI-powered social gaming platform that instantly transforms text descriptions into interactive, shareable mini-games.

Artificial Intelligence (AI) · New York$500K Pre-Seed
ESAI
May 2025

ESAI is the viral storytelling platform for Gen Z college applicants and young professionals.

Artificial Intelligence (AI) · New York$250K Angel
Seated
May 2024

Earn rewards for Reservations, Takeout & Delivery

Food Delivery · New YorkConvertible Note
Catena Biosciences
May 2024

Catena Biosciences is a biotechnology company that offers protein conjugation, building biologic structures, and medical research.

Biotechnology · Berkeley$2.4M Seed
Tough Commerce
May 2023

Tough Commerce builds white-label order management and e-commerce tools for construction suppliers.

Apps · TorontoSeed
Meru Health
May 2022

Meru Health is an online mental healthcare company that teaches people the skills needed to create long-lasting healthy lifestyle habits.

Health Care · San MateoGrant
Osmind
May 2022

Osmind is the premier technology platform for breakthough mental health treatment and research.

Health Care · San FranciscoSeries B
Beam
May 2022

Beam is the infrastructure provider for the fastest growing AI products for companies who need performance, control, and reliability.

AI Infrastructure · New YorkSeed
LEAH Labs
May 2022

LEAH Labs provides Car T cells for curing B-cell lymphoma cancer in dogs .

Biotechnology · Rochester$100K Grant
Kalinda
April 2026

Kalinda is an AI platform that automates the extraction and summarization of claimant medical record data.

Artificial Intelligence (AI) · San Francisco$500K Seed
Portal Space Systems
April 2026

Portal Space Systems develops spacecraft propulsion and mobility technologies for rapid space maneuverability.

Information Services · Bothell$50.0M Series A
Mastra
April 2026

Mastra is a Typescript framework to build AI agents

Artificial Intelligence (AI) · San FranciscoSeries A
Plume
April 2026

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

Artificial Intelligence (AI) · San Francisco$500K Seed
Luminai
April 2026

Luminai automates workflows by taking any multi-click process and making it one click.

Business Process Automation (BPA) · San FranciscoSeries B
MejorCDT
April 2025

MejorCDT is an investment platform for Latin America that aims to make investing safe and simple.

Finance · BogotáSeed

Where Y Combinator invests

Software10
Artificial Intelligence (AI)7
Information Technology4
E-Commerce4
Health Care4
Biotechnology3

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, E-Commerce, Health Care. The firm invests across 66 different industry categories.

What is Y Combinator's largest investment?▸

Among tracked funding rounds, Portal Space Systems received $50.0M in a Series A round. Y Combinator's total known invested capital is $56.8B.

What is the average investment size for Y Combinator?▸

Y Combinator's average investment size is $9.7M across its portfolio of 8,084 companies.

What are Y Combinator's most recent investments?▸

Recent Y Combinator portfolio additions include Armory, Relay Commerce, Lovage, Pillar, Engage Bio. These companies were founded in 2020 or later.

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