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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?

Revolut

London, England, United Kingdom

Revolut is a financial technology company that offers banking services, money transfers, foreign exchange, and spending analytics.

BankingFinancial ServicesFinTechMobile Payments
Secondary MarketNov 24, 2025
Stuut

New York, New York, United States

Stuut provides an AI platform that automates accounts receivable work for companies.

Artificial Intelligence (AI)Financial ServicesFinTechSoftware
Series ANov 20, 2025
Amount Raised: $29,500,000
Method Security

New York, New York, United States

Method Security develops autonomous cyber defenses.

SaaSSecurity
Series ANov 19, 2025
Amount Raised: $21,500,000
Luma AI

Palo Alto, California, United States

Luma AI develops tools that let users generate photorealistic images and videos from text, image, or video prompts.

Artificial Intelligence (AI)Generative AIVideoVideo Editing
Series CNov 19, 2025
Amount Raised: $900,000,000
Function Health

Austin, Texas, United States

Function Health is a health platform offering lab tests to help individuals monitor their health.

Health CareHealth DiagnosticsMedicalPersonal Health
Series BNov 19, 2025
Amount Raised: $298,000,000
Doppel

Covina, California, United States

Doppel is an AI-native security platform that helps organizations defend against social engineering risks and digital impersonation.

Artificial Intelligence (AI)Cyber SecurityRisk Management
Series CNov 19, 2025
Amount Raised: $70,000,000
Sphere

San Francisco, California, United States

Sphere is an AI-powered cross border compliance platform

Artificial Intelligence (AI)FinanceTax Preparation
Series ANov 18, 2025
Amount Raised: $21,000,000
Exowatt

Miami, Florida, United States

Powering AI with 24-hour Dispatchable Solar

Artificial Intelligence (AI)Data CenterEnergyEnergy StorageRenewable Energy
Series ANov 13, 2025
Amount Raised: $50,000,000
Anysphere

San Francisco, California, United States

Anysphere is an applied research lab focused on automating coding through innovative AI solutions.

Artificial Intelligence (AI)Developer ToolsGenerative AIMachine LearningSoftware Engineering
Series DNov 13, 2025
Amount Raised: $2,300,000,000
Genki Robotics

Tokyo, Tokyo, Japan

Genki Robotics is a humanoid robotics that offers to aid practical applications of physical AI.

Artificial Intelligence (AI)Information TechnologyRobotics
SeedNov 13, 2025