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Andreessen Horowitz (a16z)

Multi-stageGrowthCrypto
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Investment focus

a16z backs bold founders building transformative technology companies across AI, bio, crypto, fintech, enterprise, and "American dynamism" sectors — operating with the conviction that software and emerging technologies will reshape every major industry. The firm pairs capital with a large operational platform (marketing, recruiting, legal, BD) to support companies from seed through growth stage.

Founded2009
HQMenlo Park, California
RegionUS · SF Bay
StagesSeed · Series A · Series B · Growth · Late Stage
Check size$750K–$1M (accelerator); multi-million to hundreds of millions for series rounds

Sectors

AICryptoBioEnterpriseConsumer

Notable portfolio

AirbnbStripeCoinbaseGitHubFigmaRobloxFacebookSlack

Recent activity (2025–26)

  • OpenRouter ($113M Series B, May 2026)
  • Stipple Bio ($100M, April 2026)
  • $15B in new funds raised (January 2026)

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