Top 10 Metals, Minerals and Mining Capital Raises and Investors in the U.S. – January 1st to March 31st, 2026

Several interesting transactions closed in the Metals, Minerals and Mining sector over the past quarter. If you would like more info or would like to discuss the capital raising market for your company, please contact me.

PE Growth/Expansion

1. Torngat Metals, rare earth products for electric vehicle motors, motors of all types, wind turbines, consumer electronics and industrial robots, received $43.48 million of development capital from investors.
2. US Strategic Metals, metal products that serve the renewable energy industries, received development capital from Appian Capital Advisory.

Merger/Acquisition

3. Hybrid Hydrogen, helium exploration assets based in Michigan, was acquired by Pulsar Helium for $80,000.
4. Lundin Mining US, underground nickel and copper mining and milling operations based in the USA, was acquired by Talon Metals for $127 million.

Later Stage VC

5. Boston Metal, global metal technology that commercializes molten oxide electrolysis for high-volume steel production, raised Series 1 venture funding from Energy Impact Partners.
6. Noveon, sintered rare earth permanent magnets that serve the renewable power, medical, industrial automation, electric infrastructure and other industries, raised $215 million of Series C venture funding in a deal led by One Investment Management, putting the company’s pre-money valuation at $590 million.

Early Stage VC

7. Lithios, Advanced Lithium Extraction (ALE) technology that captures and releases lithium from complex mixtures for an electric future using electrochemistry, raised $500,000 of venture funding.
8. SuperCritical, technologies for extracting critical metals and nuclear fuel from seawater, raised $3.05 million of venture funding from American Ventures.

Seed Round

9. Atana, data and technology systems that support the exploration and development of critical minerals and industrial gases, raised $27.5 million of seed funding from Borusan Ventures, Earthshot Ventures and Carnrite Ventures, putting the company’s pre-money valuation at $42.00 million.
10. CellMo Materials Innovation, metal foam materials for industrial and manufacturing applications in energy and thermal management sectors, raised $5.72 million of Seed-4 funding from investors, putting the company’s pre-money valuation at $18.69 million.

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Tina Vital

Managing Director

Please contact me if you have any questions or would like to discuss your capital raise:

Email: tvital@castleplacement.com

(C) (917) 432-8474

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Sources: Information on this page was derived from a variety of sources including Bloomberg, Company Websites, Crunchbase, PitchBook and other news outlets. Castle Placement® does not warrant or guarantee this information, nor makes any representations as to the accuracy of the information. For more Risks, see CPGO Risks and Disclaimers.