a16z
Marc Andreessen, Ben Horowitz (general partners); registered investment adviser
Full-stack AI ownership plus crypto and American Dynamism (defense/space). Has deployed $10B+ across the AI value chain — the single most active major VC in AI. Edge is access to nearly every frontier-model and AI-infra round at scale.
Size$90B
TypeVC
Top holdingOpenAI
Positions
Key positions
OpenAI
Frontier-model stake; last private round ~$852B post-money (~$122B raise, Mar 2026)
Anthropic
Stake in the now-most-valuable private AI lab (~$965B Series H, May 2026)
SpaceX (xAI)
Elon Musk frontier-model bet
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QAI analysis
Our take
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