Mariana Minerals Raises $310 Million Series B Led by Khosla Ventures to Accelerate Critical Minerals Production

Source: PRNewswire· August 3, 2026
Mariana Minerals Raises $310 Million Series B Led by Khosla Ventures to Accelerate Critical Minerals Production

The round funds the expansion of its portfolio of critical minerals projects and further deployment of its software platform, MarianaOS. SAN FRANCISCO, Aug. 3, 2026 /PRNewswire/ -- Mariana Minerals ("Mariana"), a software-first, vertically integrated critical…

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