Andreessen Horowitz
Stage-agnostic mega-firm organized into dedicated vertical funds — AI, crypto, bio, fintech, defense and American Dynamism.
Founded in 2009 by Marc Andreessen and Ben Horowitz, a16z scaled the services-heavy venture model — large in-house teams for talent, marketing and policy — into one of the largest firms in the industry, managing roughly $90B as of January 2026. It invests from seed through growth via dedicated vertical funds spanning AI, crypto, bio/health, fintech, games and defense.
a16z.com ↗·
Menlo Park, United States·est. 2009·North America·$90B AUM