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Andreessen Horowitz

North America, California, United States, Menlo Park

Description

Andreessen Horowitz (a16z) is a prominent venture capital firm established in 2009 by technology luminaries Marc Andreessen and Ben Horowitz. Headquartered in Menlo Park, California, a16z quickly distinguished itself from traditional VC firms with its "software is eating the world" thesis, focusing on disruptive technologies across various sectors. The firm operates as a stage-agnostic investor, deploying capital from seed to growth stages, and has become a significant force in the global technology ecosystem.

A defining characteristic of a16z's approach is its "VC as a service" model, providing extensive operational support to its portfolio companies through a dedicated team of operating partners specializing in areas like talent, marketing, and business development. This hands-on strategy aims to help founders build enduring companies beyond just capital injection. The firm manages substantial assets, with over $35 billion in assets under management across its diverse range of funds, including dedicated vehicles for crypto, bio+health, fintech, and games.

a16z has built an impressive portfolio of companies that have reshaped industries, including early investments in giants like Facebook, Twitter, Airbnb, and Coinbase. More recently, their portfolio includes leading companies such as Stripe, Figma, and Roblox. The firm continues to raise significant capital, demonstrating its commitment to new frontiers; for instance, in 2023, they announced the close of $7.2 billion across three new funds targeting growth, early-stage, and seed investments, underscoring their broad investment mandate. Their influence extends beyond funding, as they are also prolific content creators, sharing insights through podcasts and articles that shape industry discourse.

Andreessen Horowitz's stage-agnostic strategy means their initial check sizes vary considerably. For seed-stage companies, they typically invest from $500,000, providing crucial early capital to nascent ventures. At the other end of the spectrum, for growth-stage companies, their first checks can extend up to $150,000,000 or more, often leading significant funding rounds for more mature private companies seeking to scale rapidly. This wide range reflects their commitment to supporting companies throughout their entire lifecycle.

Investor Profile

Andreessen Horowitz has backed more than 1,653 startups, with 133 new investments in the last 12 months alone. The firm has led 728 rounds, about 44% of its total and boasts 226 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Series A, Seed, Series B rounds (top funding stages).
  • Majority of deals are located in United States, Canada, United Kingdom.
  • Strong thematic focus on Software, Information Technology, Artificial Intelligence (AI).
  • Led 60 rounds in the past year.
  • Typical check size: $500K – $150M.

Stage Focus

  • Series A (26%)
  • Seed (24%)
  • Series B (19%)
  • Series C (11%)
  • Series D (6%)
  • Series Unknown (5%)
  • Series E (3%)
  • Pre Seed (1%)
  • Series F (1%)
  • Initial Coin Offering (1%)

Country Focus

  • United States (90%)
  • Canada (2%)
  • United Kingdom (1%)
  • Colombia (1%)
  • Brazil (1%)
  • Germany (1%)

Industry Focus

  • Software
  • Information Technology
  • Artificial Intelligence (Ai)
  • Enterprise Software
  • Saas
  • Fintech
  • Analytics
  • Financial Services
  • Health Care
  • Internet
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does Andreessen Horowitz frequently co-invest with?

Sequoia Capital
North America, California, United States, Menlo Park
Co-Investments: 95
Kleiner Perkins
North America, California, United States, Menlo Park
Co-Investments: 60
General Catalyst
North America, Massachusetts, United States, Cambridge
Co-Investments: 92
Google Ventures
North America, California, United States, Mountain View
Co-Investments: 84
New Enterprise Associates
North America, California, United States, Menlo Park
Co-Investments: 63
Y Combinator
North America, California, United States, Mountain View
Co-Investments: 102
SV Angel
North America, California, United States, San Francisco
Co-Investments: 153
Greylock
North America, California, United States, Menlo Park
Co-Investments: 62
Founders Fund
North America, California, United States, San Francisco
Co-Investments: 62
Khosla Ventures
North America, California, United States, Menlo Park
Co-Investments: 60

Which angels does Andreessen Horowitz often collaborate with?

Balaji Srinivasan
Asia, Central Region, Singapore, Singapore
Shared Deals: 13
GR
North America, California, United States, San Francisco
Shared Deals: 13
DF
North America, California, United States, Penngrove
Shared Deals: 12
PB
North America, California, United States, Mountain View
Shared Deals: 13
AO
North America, California, United States, San Francisco
Shared Deals: 15
NR
North America, California, United States, San Francisco
Shared Deals: 26
MO
North America, California, United States, Beverly Hills
Shared Deals: 16
ML
North America, California, United States, San Francisco
Shared Deals: 15
AK
North America, California, United States, Los Angeles
Shared Deals: 11
EG
North America, California, United States, San Francisco
Shared Deals: 38

What are some of recent deals done by Andreessen Horowitz?

Decagon

San Francisco, California, United States

Decagon provides a conversational AI platform for automating customer support across multiple channels.

Artificial Intelligence (AI)Generative AIMachine LearningSoftware
Series DJan 28, 2026
Amount Raised: $250,000,000
Concourse

New York, New York, United States

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

Artificial Intelligence (AI)B2BGenerative AISoftware
Series AJan 27, 2026
Amount Raised: $12,000,000
Dentio

Stockholm, Stockholms Lan, Sweden

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

Artificial Intelligence (AI)DentalSoftware
Pre SeedJan 27, 2026
Amount Raised: $2,300,000
Northwood Space

Torrance, California, United States

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

AerospaceHardwareSatellite Communication
Series BJan 27, 2026
Amount Raised: $100,000,000
Standard Nuclear

Oak Ridge, Tennessee, United States

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

EnergyEnergy EfficiencyNuclear
Series AJan 26, 2026
Amount Raised: $140,000,000
Inferact

San Francisco, California, United States

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

Artificial Intelligence (AI)Information TechnologySoftware
SeedJan 22, 2026
Amount Raised: $150,000,000
XBuild

San Francisco, California, United States

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

Artificial Intelligence (AI)InsurTechMobile AppsSoftware
Series AJan 20, 2026
Amount Raised: $19,000,000
Stoïk

Paris, Ile-de-France, France

Stoïk is a cyber insurtech company that help businesses manage their exposure to cyber risks.

Cloud SecurityCyber SecurityInsuranceInsurTech
Series CJan 20, 2026
Amount Raised: $23,297,289
Hadrian

Hawthorne, California, United States

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

AerospaceArtificial Intelligence (AI)Machinery ManufacturingManufacturingSupply Chain Management
Series UnknownJan 9, 2026
Amount Raised: $131,307,594
Pomelo Care

New York, New York, United States

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

ChildrenHealth CareMobile AppsWomen's
Series CJan 8, 2026
Amount Raised: $92,000,000

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