Generalist VC, Menlo Park

Andreessen Horowitz

Venture capital firm · Menlo Park · Founded July 2009

Quick read

Andreessen Horowitz (a16z), a generalist venture capital firm, was founded in 2009 and is headquartered in Menlo Park, California. As of March 2026, it manages at least $90 billion in assets across stage-agnostic funds spanning AI, crypto, bio/health, fintech, defense, and consumer tech. In January 2026, it closed over $15 billion across five new funds — the largest single fundraise in its history — doubling down on AI infrastructure and national-interest investing.

Key facts

Founded
July 2009
Founders
Marc Andreessen, Ben Horowitz
Employees
789
Sectors
generalist, ai, crypto, fintech, healthcare, consumer, enterprise
Website
a16z.com

Investment thesis

a16z backs bold entrepreneurs building technology companies at any stage — seed through late-stage — across AI, crypto, fintech, bio/health, defense, and consumer, with a stated conviction that American technology leadership must prevail globally. The firm operates an extensive platform model (recruiting, marketing, technical services) to support portfolio companies beyond capital.

Recent activity

  • Jan 2026fundraise
    a16z announced a raise of over $15 billion across six new funds — one of the largest capital raises in venture history, representing 18% of all venture dollars raised in the US in 2025. The lineup includes a $700M fourth bio and healthcare fund and $3 billion for other venture strategies. Ben Horowitz framed the goal as 'ensuring that America wins the next 100 years of technology.' latimes.com
  • May 2026press
    The New York Times reported that a16z and its co-founders have funneled more than $115 million in disclosed federal contributions to midterm and 2026 election efforts, with a focus on AI regulation and crypto. On Nov. 6, 2024, the firm alone pumped over $23 million into crypto-industry super PACs. The firm declined to comment. nytimes.com
  • May 2026leadership
    Ben Horowitz confirmed to Japanese Prime Minister Sanae Takaichi during a May 14 meeting in Tokyo that a16z will open a Tokyo office before the end of summer 2026, with a focus on technology and defense-sector startups in Japan. 1023jack.com
  • Jul 2026investment
    a16z led a $20M seed round for AI infrastructure startup Runta. tracxn.com
  • Jul 2026investment
    a16z participated in Travis Kalanick's robotics company raising $1.7 billion, alongside Uber, Fifth Wall, and Bain Capital. tracxn.com
  • Jul 2026investment
    a16z participated in Neon's $13M funding round alongside Krafton and Renegade Partners. Neon provides eCommerce infrastructure for game publishers. tracxn.com
  • Jan 2026product
    a16z published 'Big Ideas 2026,' a multi-part series covering predictions across its Infrastructure, Growth, Bio + Health, Speedrun, Apps, American Dynamism, and Crypto teams, concluding with a special announcement and invitation to readers. a16z.com
  • May 2026investment
    Salient closed a $60M Series A led by a16z. Eric Thomas and the a16z team backed the round. linkedin.com
  • Jan 2026fundraise
    a16z closed its largest-ever fundraise: more than $15 billion across five new funds. The breakdown includes $6.75B for late-stage growth, $1.7B for AI infrastructure, $1.176B for American Dynamism (defense, housing, supply chains), $1.7B for apps, and $700M for bio and health. The firm said the raise represented over 18% of all U.S. venture capital deployed in 2025. techstartups.com
  • Jan 2026fundraise
    a16z expanded its AI infrastructure fund to $3 billion by adding $1.7 billion to the vehicle it launched in 2024. The fund targets developer-facing AI software: coding tools, foundation models, and cybersecurity platforms. Managing partner Raghu Raghuram, former VMware CEO, is leading the strategy. gncrypto.news
  • Jun 2026investment
    a16z led a $70 million round into XDOF. crino.io
  • Jun 2026investment
    a16z participated as a second investor in Current's $80 million Series E at a $1.5 billion valuation. crino.io

Notable investments

Key people

Named individuals at the firm. We don't expose direct email or phone — use their LinkedIn for outreach.

  • Marc Andreessen · Co-founder & General Partner
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  • Chris Dixon · General Partner (crypto)
  • Alex Rampell · General Partner
  • Seema Amble · Partner
  • Guido Appenzeller · Partner
  • Gokul Rajaram · Partner
  • Marco Mascorro · Partner
  • Ben Horowitz · Co-founder
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  • Andrew Chen · General Partner
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  • Connie Chan · General Partner
  • Sriram Krishnan · General Partner (on leave)
  • Martin Casado · General Partner
  • Anjney Midha · General Partner

Sources

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Frequently asked

What is Andreessen Horowitz?+

Andreessen Horowitz (a16z), a generalist venture capital firm, was founded in 2009 and is headquartered in Menlo Park, California. As of March 2026, it manages at least $90 billion in assets across stage-agnostic funds spanning AI, crypto, bio/health, fintech, defense, and consumer tech.

Where is Andreessen Horowitz headquartered?+

Andreessen Horowitz is headquartered in Menlo Park, United States.

When was Andreessen Horowitz founded?+

Andreessen Horowitz was founded in July 2009 by Marc Andreessen, Ben Horowitz.

What sectors does Andreessen Horowitz invest in?+

Andreessen Horowitz focuses on generalist, ai, crypto, fintech, healthcare, consumer, enterprise. They primarily invest in these sectors.

How do I prepare for a meeting with Andreessen Horowitz?+

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Generated by briefthecall.com from public web sources. Last updated August 5, 2026. Each claim is linked to its source above.

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