Andreessen Horowitz

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 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
• Jul 2025product
  a16z posted a LinkedIn listing for a podcast network lead at up to $424,000 annual salary. The role involves recruiting independent hosts to an a16z-aligned podcast platform and helping them grow and monetize audiences — part of the firm's broader push to build its own media distribution. businessinsider.com
• Apr 2025leadership
  a16z brought on Erik Torenberg as a general partner to lead media and network initiatives. Torenberg previously founded Turpentine, a tech podcast network. businessinsider.com
• May 2026investment
  a16z invested in OpenRouter's $113M Series B round. OpenRouter is a US-based AI company. en.wikipedia.org
• May 2026press
  a16z was reported to be the largest spender in the 2026 US elections. en.wikipedia.org
• Jan 2026fundraise
  a16z raised $15 billion across five new funds. en.wikipedia.org
• Mar 2026press
  The firm reported at least $90 billion in assets under management. en.wikipedia.org
• 2026investment
  a16z co-led Boltz's $28M seed round to advance frontier biomolecular AI, originally a research project out of MIT. linkedin.com
• 2026investment
  a16z participated in Ambience Healthcare's $243M Series C alongside Oak HC/FT, OpenAI, Kleiner Perkins, Optum Ventures, and Town Hall Ventures. Ambience builds AI documentation software for clinical workflows. linkedin.com

Notable investments

• XDOFundisclosedJun 2026crino.io
• CurrentSeries EJun 2026crino.io
• CursorundisclosedNov 2024gncrypto.news
• LMArenaundisclosed2024gncrypto.news
• Unconventional AISeed2024gncrypto.news
• OpenRouterSeries BMay 2026en.wikipedia.org
• Ambience HealthcareSeries C2026linkedin.com
• TennrSeries C2026linkedin.com
• BoltzSeed2026linkedin.com
• xAIGrowth2024en.wikipedia.org
• OpenAIGrowth2023cbinsights.com
• RevolutGrowth2024en.wikipedia.org

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
  Brief →
• 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
  Brief →
• Andrew Chen · General Partner
  Brief →
• Connie Chan · General Partner
• Sriram Krishnan · General Partner (on leave)
• Martin Casado · General Partner
• Anjney Midha · General Partner

Sources

• Andreessen Horowitz raises $15 billion, doubling down on AI and defense startups | Reuters
• Andreessen Horowitz - Wikipedia
• Why Andreessen Horowitz's massive funding round signals a shift in Silicon Valley's priorities - Los Angeles Times
• Andreessen Horowitz - 2026 Investor Profile, Portfolio, Team & Investment Trends - Tracxn
• Andreessen Horowitz Portfolio Investments, Funds, Exits - CB Insights
• https://www.linkedin.com/in/zakdoric/
• https://www.linkedin.com/in/daisydwolf/
• https://techstartups.com/2026/01/09/andreessen-horowitz-raises-15-billion-across-five-funds-for-tech-startups-in-its-largest-fundraise-ever-to-fuel-ai-boom/
• https://www.gncrypto.news/ru/news/andreessen-horowitz-lifts-ai-infrastructure-fund-to-3-billion/
• https://crino.io/investor-profile/FND22576-andreessen-horowitz/
• https://www.businessinsider.com/andreessen-horowitz-looking-to-hire-build-podcast-network-2025-7

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