KoBold Metals
KoBold Metals is a Critical Minerals & Mining Tech company founded in 2018 and based in Berkeley, USA. It has raised $1B in total funding, most recently a Series C in 2025 at a $3.0B valuation.
Founded in 2018 and based in Berkeley, California, KoBold Metals applies AI and machine learning across vast geological, geophysical and geochemical datasets to find new deposits of critical minerals such as copper, lithium, cobalt and nickel. In January 2025 the company raised a $537M Series C led by Durable Capital Partners and T. Rowe Price at a roughly $2.96B valuation, bringing total funding to around $1B from investors including Andreessen Horowitz, Breakthrough Energy Ventures, Bill Gates, Jeff Bezos, Equinor and Mitsubishi. Its flagship Mingomba copper discovery in Zambia is being advanced toward production with output projected from the 2030s.
KoBold is the highest-profile attempt to use AI to crack the discovery bottleneck for the copper, lithium, cobalt and nickel that electrification depends on.
koboldmetals.com ↗·Critical Minerals & Mining Tech·USA·private 
