A start-up focused on mining and artificial intelligence, backed by high-profile investors including Bill Gates and Jeff Bezos, has successfully raised $537 million in its most recent funding effort. Based in Berkeley, KoBold Metals aims to play a significant role in securing the essential minerals required for the global transition towards renewable energy.
In their series C funding round, KoBold was valued at approximately $2.96 billion. This round was co-led by existing supporter T Rowe Price, along with Durable Capital Partners. Other notable investors, such as Gates’ Breakthrough Energy Ventures and venture capital firm Andreessen Horowitz, also contributed, alongside new investors from private equity group StepStone.
To date, KoBold has raised about $1 billion and is attempting to establish itself among Western mining firms to compete with Chinese companies for key metals like copper, lithium, and nickel. These metals are vital for various applications, including electric vehicle batteries and defense manufacturing, prompting Western nations to search for alternatives to Chinese-dominated supply chains.
As part of efforts to enhance mineral accessibility, the U.S. is funding the revival of the Lobito railway line, which will help in transporting critical minerals across Africa, linking the Democratic Republic of Congo, Zambia, and Angola. In February, KoBold announced the discovery of a significant copper deposit in Zambia, known as the Mingomba site, projected to produce at least 300,000 tonnes annually starting in the 2030s.
Kurt House, the co-founder and CEO of KoBold, stated that around 40 percent of the fresh capital would go towards developing current projects into operational mines, with most of the investment focused on the Zambian copper endeavor. The firm employs AI to sift through historical and scientific data to locate unexplored mineral resources and intends to expand into new regions, including Finland and Botswana. House expressed excitement about potential lithium mining opportunities in Canada.
Despite changing political landscapes, House voiced optimism about the considerable bipartisan support in the U.S. for improved access to critical minerals, emphasizing its importance for national security. He mentioned ongoing dialogues with future officials who are enthusiastic about KoBold’s objectives.
In its plans for growth, KoBold is looking to recruit aggressively, adding data scientists with technology backgrounds and geoscientists to help assess mineral deposits. House indicated that the company could go public in the next three to five years.
Industry partners like BHP and Rio Tinto have shown interest in working with KoBold, with David George from Andreessen Horowitz noting the strong demand for KoBold’s innovative methods. Carmichael Roberts from Breakthrough Energy Ventures commented on how KoBold’s AI-focused approach to mineral exploration can pave the way for a more secure, affordable, and environmentally friendly energy future.

