Mariana Minerals
Mariana Minerals is a minerals company focused on supplying critical minerals essential for modern energy, AI, and defense technologies. The company operates as a software-first, vertically integrated project developer and operator, providing various metals such as copper, lithium, and nickel to businesses in relevant industries. Their mission emphasizes the importance of these resources in supporting technological advancements.
Headcount
Website visitors
Workforce
Headcount by location
- United States100%
Split by department
- Engineering & R&D59%
- Operations15%
- Human Resources5.9%
- Finance & Administration4.1%
- Other16%
Seniority distribution
- Less than 5 years92%
- 5 to 10 years5.1%
- 10 to 20 years2.8%
- 30 years and more0.6%
Funding
Raised to date
- 10 Aug 2026Series B$310.0MAndreessen Horowitz, Bhp, Breakthrough Energy, Earthshot Ventures, General Innovation Capital Partners, Iqt, Khosla Ventures, Mitsubishi Corporation, StepStone Group, Washington Harbour Partners LP
- 21 Jul 2025Series A$85.0MAndreessen Horowitz, Breakthrough Energy, Khosla Ventures
One earlier round, with its terms and sources.
Investors
Andreessen HorowitzAndreessen Horowitz is a venture capital firm that invests in technology startups across various sectors including healthcare, fintech, and consumer products. The firm provides capital and strategic support to entrepreneurs, helping them navigate1,489United States
Khosla VenturesKhosla Ventures is a venture capital firm based in Menlo Park, California, specializing in early-stage investments across various sectors including technology and healthcare. The firm provides capital and strategic support to startups, helping them742United States
Mitsubishi CorporationMitsubishi Corporation is a global integrated trading and investment firm headquartered in Tokyo, Japan. It operates through ten business groups covering energy, mineral resources, infrastructure, food, and consumer services, providing trading350Japan
IqtIn-Q-Tel is a not-for-profit organization that invests in technology startups to enhance national security and economic prosperity. It partners with U.S. government agencies to identify and leverage innovative solutions, providing critical insights307United States
Revenue
EBITDA
Revenue source: Modeled estimate
Recent news
- Dyno Nobel announces autonomous blasting solution.
- Mariana Minerals raises $310 million Series B led by Khosla Ventures to accelerate critical minerals production.
8 more articles, with their sources and categories.
People
How the team has changed month by month — joiners, leavers and where the hiring is going
Connections
Who at your firm already knows someone here, and how warm the path is
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