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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?

Chariot Defense

South San Francisco, California, United States

Chariot Defense is creating the advanced hardware and software framework to solve it.

National Security
Series AFeb 25, 2026
Amount Raised: $34,000,000
QuiverAI

San Francisco, California, United States

Quiver An AI research and product company building world-class models and tools for vector generation and editing.

AdvertisingE-Commerce
SeedFeb 25, 2026
Amount Raised: $8,300,000
Stripe

South San Francisco, California, United States

Stripe enables businesses to accept payments, manage billing, and embed financial services into digital platforms.

FinanceFinTechMobile PaymentsSaaS
Secondary MarketFeb 24, 2026
Heron Power

Scotts Valley, California, United States

Heron Power develops advanced power electronics and hardware solutions tailored for the modern electrical grid.

Electrical DistributionEnergyIndustrial Engineering
Series BFeb 18, 2026
Amount Raised: $140,000,000
World Labs

San Francisco, California, United States

World Labs develops AI models with spatial intelligence for 3D world perception and interaction.

3D TechnologyArtificial Intelligence (AI)Foundational AIGenerative AIInformation Technology
Series UnknownFeb 18, 2026
Amount Raised: $1,000,000,000
Temporal Technologies

Bellevue, Washington, United States

Temporal Technologies is an open-source platform that simplifies building and managing complex, long-running workflows and microservices.

Information TechnologyInternetOpen SourceSoftware
Series DFeb 17, 2026
Amount Raised: $300,000,000
Kavak

Mexico City, Distrito Federal, Mexico

KAVAK is an online platform that offers insight into buying and selling used cars.

AutomotiveE-CommerceE-Commerce PlatformsOnline Portals
Series FFeb 17, 2026
Amount Raised: $300,000,000
Braintrust

San Francisco, California, United States

Braintrust is an AI-native observability startup that helps teams measure, evaluate, and improve AI models and products.

Artificial Intelligence (AI)Data IntegrationData Management
Series BFeb 17, 2026
Amount Raised: $80,000,000
Talkiatry

New York, New York, United States

Talkiatry provides virtual mental healthcare services covered by insurance, connecting patients with licensed psychiatrists.

Health CareMedicalMental HealthmHealthWellness
Series DFeb 12, 2026
Amount Raised: $210,000,000
Meridian

San Francisco, California, United States

Meridian is a developer of an AI-powered platform that automates formula generation and data updates in spreadsheets to cut manual work.

Artificial Intelligence (AI)FinanceSoftware Engineering
SeedFeb 11, 2026
Amount Raised: $17,000,000

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