Bullish
Mariana Minerals Secures $310M Series B at $1.5B Valuation
2026-08-03 22:40:48
Software mining startup Mariana Minerals closes $310M Series B led by Khosla Ventures, reaching $1.5B valuation with a16z and Breakthrough Energy participation.
Woofun AI reports that Mariana Minerals has finalized a $310 million Series B financing round, valuing the company at $1.5 billion. Khosla Ventures led the transaction, with additional participation from Andreessen Horowitz, Breakthrough Energy Ventures, Greenoaks, BHP Ventures, and Mitsubishi Corporation.
Founded in 2024 by Turner Caldwell, the San Francisco-based firm aims to modernize mining through software. It currently operates Copper One in Utah, targeting 50,000 tons of annual refined copper, and Lithium One in Texas, with commercial production slated for 2027.
WOOFUN AI
Impact Assessment · Quick Read
The substantial funding round validates growing institutional interest in software-enabled resource extraction. With major tech and energy investors involved, Mariana may accelerate its operational timeline for both copper and lithium assets. This capital injection could influence broader narratives around critical mineral supply chains and tech-mining convergence.
Generated by WOOFUN AI · For reference only, not investment advice
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