Facts
- HQ
- United States
- Sectors
- Venture Capital and Private Equity Principals
- Founded
- 2025
- Employees
- 3
Mariana Minerals Raises $310M Series B Led by Khosla Ventures, Bringing Total to ~$400M
Mariana Minerals, a San Francisco software-first critical minerals company, raised $310M in a Series B led by Khosla Ventures with broad participation, bringing its total funding to about $400M to expand operations and development.
Mariana Minerals Raises $310M Series B Led by Khosla Ventures to Scale AI-Driven Copper and Lithium Operations
Mariana Minerals raised $310 million in a Series B led by Khosla Ventures (with a16z and Breakthrough Energy Ventures among others) to scale its AI-driven vertically integrated copper and lithium mining and refining operations in the U.S., bringing total funding to about $400 million.
Mariana Minerals valued at $1.5 billion as CEO Turner Caldwell, backed by Khosla and a16z, pushes software-driven mining for critical metals
Mariana Minerals, a software-focused mining startup led by CEO Turner Caldwell, aims to remake mining for a metals-driven economy by targeting lithium, copper, aluminum and other critical minerals needed for electrification. The company is now valued at $1.5 billion and says its software backbone will generalize across many metals to reduce input costs and address supply-chain risks dominated by China.
