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Y Combinator Portfolio Companies

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

Last updated: July 2026

Y Combinator Investment Overview

Portfolio Companies
7,960
Total Invested
$25.5B
Average Investment
$9.2M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
SigNoz2023Seed$5.4MSan Francisco
Nextdata2023Seed$12.0MSan Francisco
arnata2023Seed$6.5MSan Francisco
Hush2023Seed$2.0MDetroit
Rocket.Chat2023Series A$10.0MWilmington
Secoda2023Series A$14.1MToronto
PowerUs2023Series B$25.6MBerlin
TileDB2023Series B$34.0MCambridge
Superorder2023Series A$10.0MSan Francisco
Sourcepulse2023Pre-Seed$900KParis

Complete List of Y Combinator Portfolio Companies (7,960)

Export
#CompanyStageAmountLocation
3076SigNozSeed$5.4MSan Francisco, United States
3077NextdataSeed$12.0MSan Francisco, United States
3078arnataSeed$6.5MSan Francisco, United States
3079HushSeed$2.0MDetroit, United States
3080Rocket.ChatSeries A$10.0MWilmington, United States
3081SecodaSeries A$14.1MToronto, Canada
3082PowerUsSeries B$25.6MBerlin, Germany
3083TileDBSeries B$34.0MCambridge, United States
3084SuperorderSeries A$10.0MSan Francisco, United States
3085SourcepulsePre-Seed$900KParis, France
Cloud InfrastructureData VisualizationDeveloper PlatformDeveloper ToolsInformation TechnologyInternetSoftware

Open-source alternative to DataDog

San Francisco, United States
September 2023
$5.4M
Seed

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Information TechnologyInternet

Nextdata offers an operating system for decentralized data at scale on an AI platform.

San Francisco, United States
September 2023
$12.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)E-CommerceGenerative AILogisticsShippingSoftwareSupply Chain ManagementTransportation

bringing ai into logistics industry

San Francisco, United States
September 2023
$6.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cyber SecurityIdentity ManagementPrivacyRisk Management

Hush is the cyberprivacy service that reduces social engineering and phishing risks for companies and all levels of their employees.

Detroit, United States
September 2023
$2.0M
Seed

Founder Contacts

30,000+ verified contacts

Developer PlatformDeveloper ToolsEnterprise SoftwareMessagingSoftware

Rocket.Chat is a platform that improves internal and external communication within a controlled and secure environment.

Wilmington, United States
September 2023
$10.0M
Series A

Founder Contacts

30,000+ verified contacts

AnalyticsData IntegrationData StorageManagement Information SystemsSoftware

Secoda is a collaborative workspace that enables data teams to share metadata, queries, charts, and documentation.

Toronto, Canada
September 2023
$14.1M
Series A

Founder Contacts

30,000+ verified contacts

Human ResourcesMechanical EngineeringRecruiting

PowerUs is the ultimate career platform for skilled blue-collar (electricians, HVAC installers, ...)

Berlin, Germany
September 2023
$25.6M
Series B

Founder Contacts

30,000+ verified contacts

AnalyticsBig DataComputerData StorageSoftware

TileDB is foundational software designed by scientists for scientific discovery.

Cambridge, United States
September 2023
$34.0M
Series B

Founder Contacts

30,000+ verified contacts

Food DeliveryRestaurants

Superorder provides an all-in-one software platform.

San Francisco, United States
September 2023
$10.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsMachine LearningSoftwareSoftware Engineering

Your early warning system for software delivery

Paris, France
September 2023
$900K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Advertising

Picnic is a provider of advertising products for various KPIs.

London, United Kingdom
September 2023
$1.3M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information Technology

Duckbill provides personal assistant service.

Boston, United States
September 2023
$8.0M
Seed

Founder Contacts

30,000+ verified contacts

AnalyticsBusiness IntelligenceData VisualizationInformation TechnologySoftware

Business intelligence as code

Toronto, Canada
September 2023
$2.1M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)BeautyCosmeticsE-CommerceLifestyle

Proven Skincare is a skincare company that provides users with scientific, clean, and specifically effective products.

San Francisco, United States
September 2023
$12.2M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)FinTech

Hadrius automates the SEC compliance process with AI for financial companies.

San Francisco, United States
September 2023
$2.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Health CareSoftware

Glass Health empowers clinicians with a platform for AI-assisted diagnosis and clinical decision-making

San Francisco, United States
September 2023
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

AppsArtificial Intelligence (AI)E-LearningEducation

Ello is an app-based reading coach that works with real books.

San Francisco, United States
September 2023
$15.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BSaaS

Fragment bridges AI-human collaboration, aiding fintech ops in task management and enhancing automation with human oversight.

San Francisco, United States
September 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

SalesSales AutomationSoftware

Surface Labs is an AI based software that help firms in converting the lead to customers.

San Francisco, United States
September 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Business IntelligenceData IntegrationDeveloper APIs

DataShare is a tech company that offers data service APIs that helps to embed customer-facing business intelligence tools.

Austin, United States
September 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

FinTechHuman ResourcesInformation TechnologySoftware

Compensation & Headcount Planning, powered by AI

San Francisco, United States
September 2023
$4.8M
Seed

Founder Contacts

30,000+ verified contacts

Health CarePersonal DevelopmentPersonal Health

Simbie Health is a patient management platform that offers virtual post-discharge navigation and transitions of care management solutions.

Dover, United States
September 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

B2BData IntegrationSoftware

Roundtable is an AI tool that helps with survey data and detects bot and frauds to clean them.

New York, United States
September 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

AppsDeveloper APIsSoftware

Apoxy develops proxy platform for improving the security and usability of application programming interface and services.

San Francisco, United States
September 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

AppsArtificial Intelligence (AI)Mobile AppsSoftware

TrendUp automates influencer marketing with AI, helping brands collaborate with micro-influencers at scale.

Irvine, United States
September 2023
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Showing 3076-3100 of 7,960 portfolio companies

Frequently Asked Questions About Y Combinator

How many companies has Y Combinator invested in?

Y Combinator has invested in 7,960 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, Analytics, Developer Tools. The firm invests across 51 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, TileDB received $34.0M in a Series B round. Y Combinator's total known invested capital is $25.5B.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $9.2M across its portfolio of 7,960 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include SigNoz, Nextdata, arnata, Hush, Rocket.Chat. These companies were founded in 2020 or later.

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