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Andreessen Horowitz Portfolio Companies

Prominent venture capital firm focused on early-stage and growth-stage technology investments.

Last updated: July 2026

Andreessen Horowitz Investment Overview

Portfolio Companies
1,225
Total Invested
$94.6B
Average Investment
$95.5M

Andreessen Horowitz's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Devoted Health2026Series F$366.0MWaltham
Talos2026Series B$45.0MNew York
CX22026GrantUndisclosedEl Segundo
Nautilus Biotechnology2026Grant$1.6MSan Carlos
Concourse2026Series A$12.0MNew York
Dentio2026Pre-Seed$2.3MStockholm
Northwood Space2026Series B$100.0MTorrance
Standard Nuclear2026Series A$140.0MOak Ridge
Inferact2026Seed$150.0MSan Francisco
BioAge Labs2026Post Ipo Equity$115.0MRichmond

Complete List of Andreessen Horowitz Portfolio Companies (1,225)

Export
#CompanyStageAmountLocation
676Devoted HealthSeries F$366.0MWaltham, United States
677TalosSeries B$45.0MNew York, United States
678CX2GrantUndisclosedEl Segundo, United States
679Nautilus BiotechnologyGrant$1.6MSan Carlos, United States
680ConcourseSeries A$12.0MNew York, United States
681DentioPre-Seed$2.3MStockholm, Sweden
682Northwood SpaceSeries B$100.0MTorrance, United States
683Standard NuclearSeries A$140.0MOak Ridge, United States
684InferactSeed$150.0MSan Francisco, United States
685BioAge LabsPost Ipo Equity$115.0MRichmond, United States
Elder CareElderlyHealth Care

Devoted Health is a healthcare company serving seniors and giving them a health care plan with personal guides and world-class technology.

Waltham, United States
January 2026
$366.0M
Series F

Founder Contacts

30,000+ verified contacts

CryptocurrencyFinancial ServicesFinTechTrading Platform

Talos is an end-to-end crypto trading platform that provides digital asset trading technology for lenders, brokers, and investors.

New York, United States
January 2026
$45.0M
Series B

Founder Contacts

30,000+ verified contacts

ManufacturingMechanical Engineering

CX2 Focused on achieving spectrum control for electromagnetic warfare for the U.S. and its allies.

El Segundo, United States
January 2026
Grant

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CareLife SciencePharmaceutical

Nautilus Biotechnology is a life sciences company that develops a platform for analyzing and quantifying the human proteome.

San Carlos, United States
January 2026
$1.6M
Grant

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)B2BGenerative AISoftware

Concourse is an AI agent platform that helps corporate finance teams by automating financial analysis, reporting, and data workflows.

New York, United States
January 2026
$12.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)DentalSoftware

Dentio is an AI-powered administrative assistant created especially for dentists.

Stockholm, Sweden
January 2026
$2.3M
Pre-Seed

Founder Contacts

30,000+ verified contacts

AerospaceHardwareSatellite Communication

Northwood Space designs ground infrastructure for spacecraft communication and data handling with deployable systems for connectivity.

Torrance, United States
January 2026
$100.0M
Series B

Founder Contacts

30,000+ verified contacts

EnergyEnergy EfficiencyNuclear

Standard Nuclear manufactures advanced nuclear fuel for next-generation reactors and high-temperature applications.

Oak Ridge, United States
January 2026
$140.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologySoftware

Inferact mission is to accelerate AI progress by making inference cheaper and faster.

San Francisco, United States
January 2026
$150.0M
Seed

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyLife ScienceTherapeutics

BioAge Labs is a clinical-stage biotechnology company that develops therapeutics to treat obesity and metabolic diseases.

Richmond, United States
January 2026
$115.0M
Post Ipo Equity

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)InsurTechMobile AppsSoftware

XBuild offers an AI-powered platform for construction tasks like estimation, supplementation, and instant financing.

San Francisco, United States
January 2026
$19.0M
Series A

Founder Contacts

30,000+ verified contacts

ChildrenHealth CareMobile AppsWomen's

Pomelo Care is a health technology company that develops evidence-based healthcare solutions for women and children.

New York, United States
January 2026
$92.0M
Series C

Founder Contacts

30,000+ verified contacts

3D TechnologyAerospaceArtificial Intelligence (AI)AutomotiveFilm ProductionMachine LearningVideo Games

AI-native infrastructure powering spatial AI era

Sunnyvale, United States
January 2026
Seed

Founder Contacts

30,000+ verified contacts

AnalyticsArtificial Intelligence (AI)Data Management

Protege is the AI training data platform enabling seamless and compliant data exchange.

New City, United States
January 2026
$30.0M
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Foundational AIGenerative AIInformation TechnologyMachine Learning

XAI is an artificial intelligence startup that develops AI solutions and tools to enhance reasoning and search capabilities.

Palo Alto, United States
January 2026
$20.0B
Series E

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information ServicesMachine LearningProduct Research

Arena provides an online platform for evaluating and comparing AI models using real-world prompts and human feedback.

San Francisco, United States
January 2026
$150.0M
Series A

Founder Contacts

30,000+ verified contacts

Content CreatorsMedia and EntertainmentNewsPublishingSubscription Service

Substack is a subscription-based newsletter publishing platform for independent writers.

San Francisco, United States
January 2026
Secondary Market

Founder Contacts

30,000+ verified contacts

AerospaceArtificial Intelligence (AI)Machinery ManufacturingManufacturingSupply Chain Management

Hadrian builds AI-powered automated factories that manufacture precision parts for defense, aerospace, and space industries.

Hawthorne, United States
December 2025
$131.3M
Private Equity

Founder Contacts

30,000+ verified contacts

BankingFinancial ServicesFinTech

Mercury provides online banking solutions for startups and technology-focused businesses.

San Francisco, United States
December 2025
Series C

Founder Contacts

30,000+ verified contacts

Financial ServicesHealth CareMarketplacePaymentsWellness

Truemed operates an HSA and FSA marketplace enabling eligible individuals to purchase evidence-based lifestyle health interventions with.

Austin, United States
December 2025
$34.0M
Series A

Founder Contacts

30,000+ verified contacts

B2BE-CommerceFashionMarketplace

A B2B Marketplace for Wholesale Second Hand Fashion

San Francisco, United States
December 2025
Series B

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyTherapeutics

CAMP4 Therapeutics is a biotechnology company that uses RNA to restore healthy gene expression.

Cambridge, United States
December 2025
$30.0M
Post Ipo Equity

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Cyber SecurityNetwork SecurityRisk ManagementSecuritySoftware

Adaptive Security provides training and phishing simulations to help organizations strengthen human defenses against evolving cyber threats.

New York, United States
December 2025
$81.0M
Series B

Founder Contacts

30,000+ verified contacts

mHealthSoftwareTelehealth

Leona simplifies communication by automatically organizing patient chats, allowing healthcare providers to manage their time effectively.

Mexico City, Mexico
December 2025
$14.0M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)AudioAudio Recording and ProductionContentMusicSoftware

Mirelo AI offers AI-driven tools that generate custom sound effects and music to match video content through upload or API integration.

Tübingen, Germany
December 2025
$41.0M
Seed

Founder Contacts

30,000+ verified contacts

Showing 676-700 of 1,225 portfolio companies

Frequently Asked Questions About Andreessen Horowitz

How many companies has Andreessen Horowitz invested in?

Andreessen Horowitz has invested in 1,225 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Andreessen Horowitz invest in?

Andreessen Horowitz's top investment sectors include Artificial Intelligence (AI), Software, Health Care, Financial Services, Biotechnology. The firm invests across 63 different industry categories.

What is Andreessen Horowitz's largest investment?

Among tracked funding rounds, xAI received $20.0B in a Series E round. Andreessen Horowitz's total known invested capital is $94.6B.

What is the average investment size for Andreessen Horowitz?

Andreessen Horowitz's average investment size is $95.5M across its portfolio of 1,225 companies.

What are Andreessen Horowitz's most recent investments?

Recent Andreessen Horowitz portfolio additions include Devoted Health, Talos, CX2, Nautilus Biotechnology, Concourse. These companies were founded in 2020 or later.

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