Mariana Minerals
A new kind of mining company
Houston, United States · Founded 2024 · $395.0M raised
- Headquarters
- Houston, Texas
- Employees
- 51–200
- Founded
- 2024
- Business Model
- B2B
- Website
- marianaminerals.com
- Total Funding
- $395.0M
- Last Round
- $310.0M Series BAug 2026
- Rounds
- 3
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying critical minerals — including lithium, copper, and nickel — for modern energy, AI, and defense technologies. The company builds an integrated software platform spanning the entire mine lifecycle, from capital project delivery to operations and chemical refining, replacing fragmented workflows with real-time coordination, telemetry-driven control, and AI-optimized decision-making. Headquartered in Houston with offices in San Francisco, Mariana has three US sites under development and aims to bring 10 mineral projects into production in 10 years. Backed by Andreessen Horowitz, the company raised $85M in Series A funding.
Summary
Mariana Minerals is an Artificial Intelligence company based in Houston, United States, founded in 2024. It has raised $395.0M in total across 3 rounds, most recently a $310.0M Series B round in Aug 2026. Investors include Khosla Ventures, Andreessen Horowitz and Breakthrough Energy Ventures.
Tech & App Stack
22 technologies & apps tracked
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Funding History
Aug 2026
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Funding: Seed through Series B. Amounts, valuations, and investors where available.
Investors
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