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Top 10 Metals, Minerals and Mining capital raises and investors in the U.S. - june 1st to 30th, 2026. Several interesting transactions closed in the Metals, Minerals and Mining sector over the past month. If you would like more info or would like to discuss the capital raising market for your company, please contact me. * Surge Battery Metals, exploration stage company that engages in the acquisition, exploration and development of mineral properties carried out in Canada and USA, received $36 million of development capital from SAF Group. * USA Rare Earth, vertically integrated, domestic rare earth magnet supply chain that supports the state of energy, mobility, and national security in the United States, received $1.6 billion of development capital from investors. Merger/Acquisition * Arizona Sonoran Copper Company, mineral exploration company, was acquired by HudBay Minerals for CAD 2 billion. * Casper Stolle Quarry & Contracting Company, mining quarry based in Dupo, Illinois, was acquired by Breedon Group, a subsidiary of Breedon Midco, for $120 million. Later Stage VC * Lilac, lithium extraction technology that absorbs lithium from brine resources, raised $34.37 million of Series D venture funding from investors, putting the company's pre-money valuation at $763.63 million. Early Stage VC * Principal Mineral, strategic metals, high-performance alloys, and advanced materials that strengthen critical mineral supply chains, raised $280 million through a combination of debt and Series A venture funding in a deal led by Overmatch Ventures and The New Industrial Corporation, putting the company's pre-money valuation at $463.40 million. * Cuprum Metals, copper extraction technology that enhances the recovery of copper from mineral deposits, raised $19.4 million through a combination of Series A-1 and Series A-2 venture funding in a deal led by The Lundin Group, putting the company's pre-money valuation at $68 million. Seed Round * Altillion, mineral extraction technology that recovers critical minerals from brine resources, raised $5 million of seed funding in a deal led by Flathead Forge and Energy Innovation Capital. * MaverickX, bio-chemical platform that supports the production and processing of critical minerals and energy resources through biological technologies, raised $7.5 million of Seed-III funding from Chord Energy, Olive Tree Capital, and other investors, putting the company's pre-money valuation at $101 million. * Red Metals, domestic copper refining and production company that shortens the refined supply chain within the United States, raised $59 million of Series A venture funding in a deal led by Lightspeed Venture Partners. #castleplacement #capitalraising #privateequity #venturecapital #investment #metalsmineralsandmining #metals #minerals #mining Tina vital. Managing director. Please contact me if you have any questions or would like to discuss your capital raise: (C)(917) 432-8474 Send Castle Placement, LLC a message: Sources: Information on this page was derived from a variety of sources including Bloomberg, Company Websites, Crunchbase, PitchBook and other news outlets. Castle Placement(R) 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.

Red Metals plans North Charleston copper refining and rod manufacturing plant. 10/06/2026 Red Metals has advanced plans for what it expects to be the first new U.S. copper refining facility in more than 50 years. The company says the project is backed by a $70 million investment and will be built in North Charleston, South Carolina. The announcement was made on June 3, 2026. Red Metals said the launch coincided with a successful $10 million seed funding round. The round was led by Gigascale Capital, with participation from Future Ventures, MCJ, and JB Straubel, founder of Redwood Materials and co-founder of Tesla. The project also received economic development incentives from both the State of South Carolina and Charleston County. North Charleston facility for high-conductivity copper rod. The planned site is at 4500 Leeds Avenue, covering a 42,000-square-foot facility. Red Metals intends to produce high-conductivity copper rod, used in electrical wiring, power transmission infrastructure, cables, and other industrial applications. The company expects commercial operations to begin in the fourth quarter of 2026. The company described an integrated refining and manufacturing approach that converts domestic copper feedstocks directly into finished copper rod through a continuous operation. It says this design avoids multiple conventional processing stages and removes several intermediate refining steps. Red Metals expects the model to reduce energy use and carbon emissions while improving production efficiency. Red Metals estimated the project will create approximately 45 skilled jobs. The roles include engineers, operators, and production personnel. The company did not provide additional staffing details beyond the job estimate. Integrated process aimed at reducing intermediate refining steps. Red Metals said its integrated process differs from conventional copper refining operations that require multiple processing stages. The company's plan is to run a continuous operation that produces finished copper rod from domestic feedstocks. Red Metals also linked the approach to lower energy requirements and reduced operational costs. The company attributed its strategy to proprietary refining technology intended to streamline production. Red Metals said the technology is designed to address obstacles that have discouraged domestic investment for decades. It also stated the technology aligns with demand for lower-emission industrial processes. Domestic supply chain focus for wire and magnet wire inputs. CEO and founder Jackson Switzer said Red Metals aims to build a next-generation domestic supply chain delivering finished copper products to American manufacturers. The company said its technical team includes professionals with experience at Redwood Materials, Boeing, Albemarle, and BASF. It said their combined expertise covers metals processing, refining technologies, industrial manufacturing, and advanced materials development. The company said its South Carolina output is intended as an input for wire and magnet wire manufacturing. It listed applications for those components including electric motors, transformers, renewable energy installations, electric vehicles, and modern power transmission networks. Red Metals stated that access to refined copper products is expected to become increasingly important as demand expands across those technologies. Copper refining constraints in the United States and overseas dependence. Red Metals' project was framed against long-standing challenges in building U.S. copper refining infrastructure. The company cited substantial capital requirements alongside strict environmental regulations and permitting requirements for copper refining facilities. Industry records referenced by Red Metals indicate the last approved U.S. copper smelter project dates to 1971, though it was never constructed. The company said only two operational copper smelters remain in the United States: Rio Tinto's Kennecott operation in Utah and Freeport-McMoRan's Miami smelter in Arizona. It added that the country remains dependent on overseas refining capacity despite generating significant quantities of copper-bearing materials domestically. Copper critical mineral designation amid record demand conditions. Red Metals said the project comes as global copper demand reaches unprecedented levels. It stated copper prices remain near historic highs as consumption accelerates across artificial intelligence infrastructure, hyperscale data centers, power grid modernization, electric vehicle production, renewable energy systems, and defense technologies. The company also cited U.S. supply figures of about 1.5 million metric tons of recoverable copper annually. It said a large portion is exported for refining before returning as finished products. Red Metals noted that the U.S. Geological Survey designated copper as a Critical Mineral in November 2025. Red Metals said the United States accounts for about 3% of global refined copper production while most refining capacity is concentrated in Asia. It described this reliance on foreign processing capacity as a strategic vulnerability tied to national security, economic competitiveness, and industrial resilience. Other U.S. copper developments including Florence Copper. Red Metals said industry coverage of its announcement has been limited so far, with attention confined largely to official government statements, company announcements, and social media discussions. It also described its business model as different from existing U.S. copper recycling operations focused on scrap and secondary materials. The company contrasted its plan with facilities such as Ames Copper Group in North Carolina that process copper scrap and secondary materials. Red Metals said it intends to refine primary copper feedstocks into high-conductivity copper rod rather than operate within the scrap-processing segment. Red Metals also pointed to broader investment trends in the U.S. copper sector, including Florence Copper's completion of construction of its commercial production facility and first cathode production. It stated Florence Copper focuses on mining and cathode output while Red Metals targets downstream refining and manufacturing through copper rod production.