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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?

Fal

San Francisco, California, United States

Fal is a generative media platform that helps developers create applications using AI models.

Artificial Intelligence (AI)Developer PlatformInformation TechnologyMachine Learning
Series CJul 31, 2025
Amount Raised: $125,000,000
Tako

São Paulo, Sao Paulo, Brazil

Tako is an incredibly automated payroll and HR Software.

Human ResourcesSaaSSoftware
Series AJul 30, 2025
Amount Raised: $17,931,109
Flyhomes

Seattle, Washington, United States

Flyhomes provides a real estate brokerage platform that helps clients through the entire home buying process.

Financial ServicesFinTechPropTechReal EstateReal Estate Brokerage
Series DJul 30, 2025
Amount Raised: $15,000,000
North Pole Security

Brooklyn, New York, United States

North Pole Security provides endpoint protection for macOS. It ensures the security of computers and networks.

ComputerCyber Security
SeedJul 30, 2025
Amount Raised: $4,000,000
Salient

Cambridge, Massachusetts, United States

Salient combines novel ocean and land-surface data with AI and climate expertise to deliver the world’s most accurate S2S weather forecasts.

Software
Series AJul 29, 2025
Amount Raised: $60,000,000

Promptfoo finds & fixes LLM vulnerabilities before they are shipped to production.

Open Source
Series AJul 29, 2025
Amount Raised: $18,400,000
Ambience Healthcare

San Francisco, California, United States

Ambience Healthcare develops an AI operating system used for documentation, coding, and clinical workflows in healthcare organizations.

Artificial Intelligence (AI)Health CareInformation TechnologyMedical
Series CJul 29, 2025
Amount Raised: $243,000,000
Salient

San Francisco, California, United States

Salient is an AI-driven loan servicing platform built specifically for consumer finance and auto lending industries.

Artificial Intelligence (AI)AutomotiveFinanceFinancial ServicesInformation TechnologyInternet
Series AJul 28, 2025
Amount Raised: $60,000,000
Slingshot AI

Albany, New York, United States

Slingshot AI provides a cloud-based platform for easy training, deploying, and managing machine learning models.

Artificial Intelligence (AI)Cloud Data ServicesSoftwareWeb Development
Series AJul 22, 2025
Amount Raised: $53,000,000
Fortuna Health

New York, New York, United States

Fortuna streamlines Medicaid navigation for consumers, covering eligibility, enrollment, and renewal processes seamlessly.

Health CareInformation TechnologyNavigation
Series AJul 21, 2025
Amount Raised: $18,000,000