
Andreessen Horowitz (a16z)
Multi-stageGrowthCrypto
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)



