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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
5,185
Total Invested
$25.5B
Average Investment
$9.2M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
MentalHappy2024Series Unknown$500KSan Francisco
Roe AI2024Seed$3.0MSan Francisco
Charge Robotics2024Series Unknown$17.0MOakland
Koywe2024Seed$5.0MSantiago
Unravel Carbon2024SeedUndisclosedSingapore
FioClub2024Seed$1.5MMeguro
Contextual AI2024Series A$80.0MMountain View
InspectMind2024Seed$1.6MSan Francisco
Spring Health2024Series E$100.0MNew York
ProSights2024Seed$2.2MNew York

Complete List of Y Combinator Portfolio Companies (5,185)

Export
#CompanyStageAmountLocation
2951MentalHappySeries Unknown$500KSan Francisco, United States
2952Roe AISeed$3.0MSan Francisco, United States
2953Charge RoboticsSeries Unknown$17.0MOakland, United States
2954KoyweSeed$5.0MSantiago, Chile
2955Unravel CarbonSeedUndisclosedSingapore, Singapore
2956FioClubSeed$1.5MMeguro, Japan
2957Contextual AISeries A$80.0MMountain View, United States
2958InspectMindSeed$1.6MSan Francisco, United States
2959Spring HealthSeries E$100.0MNew York, United States
2960ProSightsSeed$2.2MNew York, United States
Health CareMental HealthWellness

MentalHappy is the social network designed to help people of all races, genders and economic statuses find positive peer support

San Francisco, United States
August 2024
$500K
Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Data ManagementSoftware

Roe AI is an AI-native data platform for unstructured data stored in blob storage and CRMs.

San Francisco, United States
August 2024
$3.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)ConstructionRoboticsSolarSustainability

Charge Robotics is a robotics company that offers robots for labor-intensive solar construction automaition.

Oakland, United States
August 2024
$17.0M
Series Unknown

Founder Contacts

30,000+ verified contacts

BillingBlockchainCryptocurrencyFinTechPayments

Koywe provides payment APIs and SDKs so that any company can start leveraging crypto to offer remittances, wallets, and investment services.

Santiago, Chile
August 2024
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

ConsultingEnvironmental ConsultingInformation ServicesInformation TechnologySoftware

Unravel Carbon is a enterprise software for companies to track and reduce their carbon emissions.

Singapore, Singapore
August 2024
Seed

Founder Contacts

30,000+ verified contacts

AnimationDigital EntertainmentGraphic Design

FioClub is a production company that designs and produces character IP and anime for entertainment purposes.

Meguro, Japan
August 2024
$1.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Foundational AIGenerative AISoftware

Contextual AI specializes in customizable generative AI applications with RAG 2.0 technology for the banking and media industries.

Mountain View, United States
August 2024
$80.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BPropTech

AI-powered QA/QC for construction projects. Catch issues before they hit the field.

San Francisco, United States
August 2024
$1.6M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Health CareMental HealthmHealthWellness

Spring Health provides mental health solution for employers and health plans.

New York, United States
July 2024
$100.0M
Series E

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Generative AISoftware

ProSights is an AI-native workflow automation and search platform for financial institutions.

New York, United States
July 2024
$2.2M
Seed

Founder Contacts

30,000+ verified contacts

Advanced MaterialsAgricultureBeautyBiotechnologyChemical

Lygos is a Specialty Chemical Company

Berkeley, United States
July 2024
$1.8M
Grant

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)CRMEnterpriseMachine LearningSaaSSalesSoftware

Sybill analyzes verbal and non-verbal cues to generate meeting summaries, crafting deal notes and CRM updates using AI models.

Mountain View, United States
July 2024
$11.0M
Series A

Founder Contacts

30,000+ verified contacts

FinTechTourismTravel

Triply.co is a traveling platform that provides tourism and adventures traveling for the incredible experiences.

Nairobi, Kenya
July 2024
Grant

Founder Contacts

30,000+ verified contacts

FinTechHealth CareHealth Insurance

Hive Health provides HMO plans for SMEs, helping employees and their families access healthcare through a network of hospitals and doctors.

Singapore, Singapore
July 2024
$6.5M
Seed

Founder Contacts

30,000+ verified contacts

EdTechE-LearningFinanceFinancial ServicesSubscription ServiceWomen's

Female Invest is a edtech platform empowering women through subscription-based learning and community.

Copenhagen, Denmark
July 2024
$11.1M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Generative AIMobile Apps

Bee is a personal AI wearable that captures your daily interactions and summarizes them into actionable insights and reminders.

San Francisco, United States
July 2024
$5.5M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)FinTechInsuranceInsurTechRisk Management

Cowbell provides cyber insurance for small and medium-sized businesses, as well as upmarket businesses using AI-driven risk assessment.

Pleasanton, United States
July 2024
$60.0M
Series C

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)BlockchainCryptocurrency

Namcon offers blockchain infrastructure services that rely on numerous computers.

Chicago, United States
July 2024
$6.0M
Series A

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Customer ServiceMachine LearningNatural Language Processing

A Streaming Generative AI Platform that continuously finds meaning and recommended action in unstructured conversation data.

New York, United States
July 2024
Convertible Note

Founder Contacts

30,000+ verified contacts

Agentic AIArtificial Intelligence (AI)Data Center AutomationSoftware

Reworkd is an AI-driven automation platform that allows for the automation of business processing workflows to achieve outcomes.

San Francisco, United States
July 2024
$2.8M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)BatteryData CenterPropTechSolar

Paces provides software and services to accelerate power and infrastructure developments.

Brooklyn, United States
July 2024
$11.0M
Series A

Founder Contacts

30,000+ verified contacts

Lead GenerationSaaSSearch Engine

Resquared offers a SaaS application that works as a marketing automation platform for selling to local businesses.

San Francisco, United States
July 2024
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Financial ServicesFinTechSales

powder is building generative AI agents that automate laborious tasks to save time.

Los Altos, United States
July 2024
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

Information Technology

Pintel.AI is a a platform designed for sales development.

Noida, India
July 2024
$991K
Seed

Founder Contacts

30,000+ verified contacts

FertilityGeneticsHealth CarePersonal Health

Legacy provides a service for at-home sperm testing and cryopreservation, allowing individuals to take control of their fertility health.

New York, United States
July 2024
$7.5M
Series Unknown

Founder Contacts

30,000+ verified contacts

Showing 2951-2975 of 5,185 portfolio companies

Frequently Asked Questions About Y Combinator

How many companies has Y Combinator invested in?

Y Combinator has invested in 5,185 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, Health Care, Generative AI. The firm invests across 62 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Spring Health received $100.0M in a Series E 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 5,185 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include MentalHappy, Roe AI, Charge Robotics, Koywe, Unravel Carbon. These companies were founded in 2020 or later.

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Y Combinator Portfolio: 5,185 Companies & Co-Investors (2026) — Page 119 | VCBacked