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Y Combinator — Portfolio, Page 61

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

8,084
Companies
$48.3B
Total invested
$8.2M
Avg. check
64
Industries
Artificial Intelligence (AI) 8Software 8FinTech 6Financial Services 4Payments 3Machine Learning 3+58 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 1441–1464 of 8,084
Patientdesk.ai
April 2026

Patientdesk.ai is an AI-powered front desk platform aimed largely at dental clinics, automating patient interactions.

Artificial Intelligence (AI) · San FranciscoSeed
Lance
April 2026

Lance is an AI voice agent for hotels that automates guest calls, messages, bookings, and service requests via system integrations.

Artificial Intelligence (AI) · San FranciscoSeed
Ruth Health
April 2022

Ruth Health is a telehealth clinic and care hub for pregnant women.

Electronic Health Record (EHR) · Los Angeles$2.4M Seed
Command AI
April 2022

Command AI is a firm that offers simple, AI-powered user assistance to make applications easier to use.

Artificial Intelligence (AI) · San FranciscoSeries A
The Block
April 2026

The Block is the first and final word in digital assets.

Bitcoin · New York$10.0M Private Equity
Truss
April 2026

Truss is a financial technology company that moves money for construction businesses.

B2B · San FranciscoVenture - Series Unknown
Sizeless
April 2026

Sizeless develops platform to support machine learning teams with automatically running, testing, and optimizing their models.

Artificial Intelligence (AI) · San Francisco$500K Product Crowdfunding
Avoca
April 2026

Avoca uses AI agents to handle inbound and outbound interactions, including handling customer calls and managing leads.

Artificial Intelligence (AI) · New YorkSeries B
Bento Labs
April 2026

Bento Labs builds production infrastructure for AI agents to monitor what runs, improve what fails with compound learnings.

Agentic AI · San Francisco$500K Pre-Seed
Industrial Next
April 2025

Industrial Next develops the fundamental technologies for flexible and intelligent production automation.

Artificial Intelligence (AI) · San FranciscoSeries A
Mystic
April 2022

Mystic is a provider of infrastructure-as-a-service for data engineers and software developers.

Data Center · BathSeed
Mozart Data
April 2022

Mozart Data provides an out-of-the-box modern data stack. Easily consolidate and prepare data for analysis without any engineering.

Analytics · San Francisco$15.0M Series A
Elmo
April 2023

Elmo Remote is a state-of-the-art tool, enables to deliver vehicles directly to customers.

Customer Service · Tallinn$2.9M Seed
Prime Lightworks
April 2023

Prime Lightworks Inc. manufactures electric propulsion systems for space satellites.

Aerospace · Culver City$24K Equity Crowdfunding
Streamlined
April 2022

Transforming B2B payments for the modern era

FinTech · San Diego$3.0M Seed
Arrow
April 2022

Arrow enables a one-click purchasing experience making shopping online faster, safer, and easier.

E-Commerce · Singapore$4.8M Seed
Quiltt
April 2025

The unified API for open banking data and enrichment

Banking · Dallas$2.6M Seed
Fintoc
April 2024

Fintoc is an API that lets online businesses accept instant payments coming directly from the customer’s bank account.

Banking · SantiagoSeries A
Bobsled, Inc.
April 2023

Bobsled is the fastest way to share data to any cloud or platform.

Big Data · Los Angeles$17.0M Series A
Milio
April 2023

Instant B2B payments platform for global companies

B2B · San Francisco$2.0M Seed
Bumble
April 2026

Bumble is a social networking platform focused on making romance, friendship, and business connections.

Business Development · Austin$475.0M Post-IPO Debt
Tenyks
April 2024

Tenyks helps AI developers build reliable vision systems.

Artificial Intelligence (AI) · CambridgeNon-equity Assistance
QuestDB
April 2024

QuestDB is an open-source SQL database designed to process time-series data, faster.

Analytics · San FranciscoNon-equity Assistance
Thetanuts Finance
April 2023

Thetanuts Finance is a multi chain structured products protocol with automated strategies to generate income.

Blockchain · Williamsburg$17.0M Series A

Where Y Combinator invests

Artificial Intelligence (AI)8
Software8
FinTech6
Financial Services4
Payments3
Machine Learning3

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, FinTech, Financial Services, Payments. The firm invests across 64 different industry categories.

What is Y Combinator's largest investment?▸

Among tracked funding rounds, Bumble received $475.0M in a Post-IPO Debt round. Y Combinator's total known invested capital is $48.3B.

What is the average investment size for Y Combinator?▸

Y Combinator's average investment size is $8.2M across its portfolio of 8,084 companies.

What are Y Combinator's most recent investments?▸

Recent Y Combinator portfolio additions include Patientdesk.ai, Lance, Ruth Health, Command AI, The Block. 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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