Investor / VCSilicon Valley / Bay Area
Andreessen Horowitz
Investor / VC · VC
· MENLO PARK, CA
$100B+ AUM. Co-founded by Marc Andreessen & Ben Horowitz 2009. Invests seed to growth across AI, bio, consumer, crypto, enterprise, fintech, games, infrastructure, American Dynamism. HQ Menlo Park CA. [2026-06-04, operator-stated: a16z has transitioned toward a PE/crossover model — invests in BOTH private and public companies (registered investment advisor; public-market positions held via the a16z Perennial sub-arm). Public holdings are core a16z activity, not a separate non-venture sidecar.]
Founded
2009
Region
Silicon Valley / Bay Area
Portfolio
- Flock Safety
- Digital Asset Holdings
- Endra
- Stitch
- Airbnb
- Lyft
- Figma
- Roblox
- Instacart
- Slack
- Nicira Networks
- GitHub
- Transferwise
- PagerDuty
- Okta
- Samsara
- Skype
- Nautilus Biotechnology
- Telepatia
- Convey
- PatientPing
- Omada Health
- Hadrian
- Northwood Space
- Standard Nuclear
- Erebor Bank
- Rune Technologies
- Radiant
- Coinbase
- Anduril Industries
- Moment
- Stilta
- Catena Labs
- Socket
- Mercury
- Exa
- OpenRouter
- Town
- Lassie
- Special
- ZeroDrift
- Genesis Molecular AI
- Oculus
- Prosper AI
- Mirendil
- Smart Bricks
- Probably
- Ornn
- Probook
- Ollin
- Telepatía AI
- Pearl Health
- Vendelux
- ElevenLabs
- Scribe Therapeutics
- CurifyLabs
- ARC Token / Circle
- Westmag
People