a16z Launches $1.1B "Machine Age" Fund for AI Hardware, Capping a Three-Stage Infrastructure Bet

Andreessen Horowitz has raised $1.1 billion for its "Machine Age" fund, targeting semiconductors, memory, data centers, and robotics. The fund follows a $1.25 billion AI infrastructure vehicle in 2024 and a $15 billion raise in January 2026, tracing a deliberate shift toward AI's physical layer. The firm called AI advancement a "social and national imperative."