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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
7,916
Total Invested
$61.9B
Average Investment
$11.1M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Let’s Do This2022Series B$60.0MLondon
TrueAccord2022Venture - Series Unknown$49.1MLenexa
Ivella2022Seed$3.5MSanta Monica
Swif.ai2025Seed$1.5MSunnyvale
Nubit2024Seed$8.0MSanta Barbara
Expanse2026Pre-SeedUndisclosedSan Francisco
Scispot2026Series A$1.2MKitchener
Madrone2026Pre-SeedUndisclosedMountain View
Runtime2026Pre-SeedUndisclosedSan Francisco
Boost Robotics2025Pre-Seed$500KBoston

Complete List of Y Combinator Portfolio Companies (7,916)

Export
#CompanyStageAmountLocation
601Let’s Do ThisSeries B$60.0MLondon, United Kingdom
602TrueAccordVenture - Series Unknown$49.1MLenexa, United States
603IvellaSeed$3.5MSanta Monica, United States
604Swif.aiSeed$1.5MSunnyvale, United States
605NubitSeed$8.0MSanta Barbara, United States
606ExpansePre-SeedUndisclosedSan Francisco, United States
607ScispotSeries A$1.2MKitchener, Canada
608MadronePre-SeedUndisclosedMountain View, United States
609RuntimePre-SeedUndisclosedSan Francisco, United States
610Boost RoboticsPre-Seed$500KBoston, United States
E-CommerceEventsMarketplaceSports

Let’s Do This is an online marketplace that that features endurance events in a global scale.

London, United Kingdom
June 2022
$60.0M
Series B

Founder Contacts

30,000+ verified contacts

AnalyticsCRMDebt CollectionsFinanceFinancial ServicesFinTechInformation TechnologyMachine Learning

TrueAccord uses behavioral analytics, machine learning and an omni-channel digital approach to collections.

Lenexa, United States
June 2022
$49.1M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Financial ServicesFinTechSoftware

Banking and savings products designed for couples.

Santa Monica, United States
June 2022
$3.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ComplianceCyber SecurityEnterprise SoftwareInformation TechnologyIT ManagementSecurity

Swif.ai is a multi-OS device management and compliance automation platform designed for security-driven organizations.

Sunnyvale, United States
June 2025
$1.5M
Seed

Founder Contacts

30,000+ verified contacts

BitcoinBlockchainCryptocurrencyInformation TechnologySoftwareWeb3

Nubit is a financial firm that blockchain services and develops bitcoin boosting network for native assets, trading, and verification.

Santa Barbara, United States
June 2024
$8.0M
Seed

Founder Contacts

30,000+ verified contacts

AI InfrastructureDeveloper ToolsGPUSoftware

Expanse is a cluster optimization platform that improves GPU utilization by predicting resource fit and failure risk at job submission time.

San Francisco, United States
June 2026
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Business Process Automation (BPA)Cloud Data ServicesData ManagementManagement Information SystemsProductivity Tools

Scispot provides cloud-based lab software for biotech companies, enabling laboratory workflows and Information Management System.

Kitchener, Canada
June 2026
$1.2M
Series A

Founder Contacts

30,000+ verified contacts

Data CenterMachinery ManufacturingMechanical Engineering

Madrone is a is a hardware and mechanical engineering company that develops hyper efficient cooling systems for data centers.

Mountain View, United States
June 2026
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)DevOpsSoftware

Runtime is an AI infrastructure and developer firm providing sandboxes, observability, guardrails, and deployment tools for AI agents.

San Francisco, United States
June 2026
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)InfrastructureRobotics

Boost Robotics builds autonomous mobile robots that perform manual tasks in data centers.

Boston, United States
June 2025
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Data ManagementFinancial ServicesFinTechMarketing AutomationPaymentsSoftware

Simetrik is a no-code solution that offers the right balance between flexibility and robustness for the reconciliation process automation.

San Francisco, United States
June 2025
$30.0M
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Document ManagementSoftware

Collate creates and streamlines documentation for drug development, medical device, and diagnostic companies.

San Francisco, United States
June 2026
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologyManufacturing

The industrial data layer for robotics

San Francisco, United States
June 2026
$1.1M
Seed

Founder Contacts

30,000+ verified contacts

EmailSaaS

Upstream is a collaborative email client with channels and task-tracking, offering context and transparency for efficient team decisions.

Paris, France
June 2026
$500K
Pre-Seed

Founder Contacts

30,000+ verified contacts

Financial ServicesPaymentsTransaction Processing

Forage is a payments technology company that enables merchants to accept SNAP EBT and EBT Cash payments.

San Francisco, United States
June 2026
Series B

Founder Contacts

30,000+ verified contacts

B2BInternetSaaS

Arpio protects and eliminates downtime for AWS applications by making it easy to recover from any outage in just a few minutes.

Durham, United States
June 2026
$8.2M
Series A

Founder Contacts

30,000+ verified contacts

AutomotiveE-CommerceGraphic DesignInternetMarketingPrinting

Wrapmate is a technology-driven managed marketplace that is reimagining the buy-and-sell experience in the vehicle graphics industry.

Greenwood Village, United States
June 2026
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ConstructionGenerative AIHome RenovationPropTech

Handoff AI provides contractors with instant construction estimates and automates business operations using AI.

Miami, United States
June 2025
$5.8M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

CrowdfundingSaaS

BackerKit manages your post-crowdfunding mayhem so that you can deliver on time.

San Francisco, United States
June 2025
$3.0M
Equity Crowdfunding

Founder Contacts

30,000+ verified contacts

CommercialEnergyManufacturing

RegenEAU manufactures systems that recover heat from wastewater to reduce hot water energy use in multi-unit and commercial buildings.

Lévis, Canada
June 2025
$2.3M
Seed

Founder Contacts

30,000+ verified contacts

3D TechnologyBrand MarketingGenerative AIMedia and EntertainmentVideo Advertising

Vimmerse empowers creators and businesses to engage audiences like never before by animating their still visuals into eye-catching videos

San Jose, United States
June 2024
Seed

Founder Contacts

30,000+ verified contacts

Developer APIsHealth CareSoftware

Junction (formerly Vital) is an API for collecting health data that allows developers to build personalized healthcare applications.

San Francisco, United States
June 2022
$2.9M
Seed

Founder Contacts

30,000+ verified contacts

FertilityHealth CareHealth DiagnosticsHome Health CareLife ScienceMedicalMedical DevicePersonal HealthWellness

Syrona Health is a digital health solution for personalised gynaecology across life-stages starting from Endometriosis to Menopause.

London, United Kingdom
June 2022
$2.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Consumer SoftwareProductivity ToolsSocial CRM

Pally is an AI-native relationship intelligence app.

San Francisco, United States
June 2025
$1.1M
Pre-Seed

Founder Contacts

30,000+ verified contacts

Employee BenefitsFinancial ServicesFinTechSoftware

Level is a technology company that makes financial products for employers.

New York, United States
June 2023
Series B

Founder Contacts

30,000+ verified contacts

Showing 601-625 of 7,916 portfolio companies

Frequently Asked Questions About Y Combinator

How many companies has Y Combinator invested in?

Y Combinator has invested in 7,916 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), Financial Services, FinTech, Information Technology. The firm invests across 74 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Let’s Do This received $60.0M in a Series B round. Y Combinator's total known invested capital is $61.9B.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $11.1M across its portfolio of 7,916 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include Let’s Do This, TrueAccord, Ivella, Swif.ai, Nubit. These companies were founded in 2020 or later.

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