USA Rare Earth

USA Rare Earth, Inc. is an American mining, materials-processing, and advanced-manufacturing company focused on building an integrated supply chain for rare-earth elements and permanent magnets. The company’s strategy extends from resource development and mining through mineral separation, rare-earth metal and alloy production, and the manufacture of permanent magnets. This approach is commonly described as a “mine-to-magnet” model and is intended to reduce reliance on concentrated overseas supply chains. The company was founded in 2019 by Pini Althaus. Its initial focus was the acquisition and development of domestic United States rare-earth resources, including projects intended to provide feedstock for downstream processing and manufacturing. USA Rare Earth has emphasized both light and heavy rare-earth elements, with particular attention to magnet-related materials such as neodymium, praseodymium, dysprosium, and terbium. These elements are used in high-performance permanent magnets that support defense systems, electric vehicles, wind turbines, industrial equipment, consumer electronics, robotics, and other advanced-manufacturing applications. A central part of the company’s development program has been the movement from raw material production into separation, metallization, alloying, and magnet fabrication. By early 2025, USA Rare Earth reported producing high-purity dysprosium oxide from ore associated with its Round Top project and had opened an Innovations Lab in Stillwater, Oklahoma. In January 2025, the laboratory produced its first batch of sintered neodymium-iron-boron magnets. These milestones were intended to demonstrate capabilities beyond mining and to establish a technical base for larger-scale commercial production. The company expanded its international footprint in 2025 through a proposed acquisition of Less Common Metals, a United Kingdom producer of rare-earth metals and alloys. The transaction was announced at a value of $100 million in cash plus 6.74 million shares of USA Rare Earth common stock. Less Common Metals would add metal and alloy capabilities to the broader supply-chain strategy and provide a production presence outside the United States. USA Rare Earth has also pursued capital formation to fund its manufacturing and operating plans. In 2025, it secured $75 million through a private investment in public equity transaction. Reference material further describes a January 2026 Trump Administration debt-and-equity investment totaling $1.6 billion, associated with a 10% government stake and intended to support domestic rare-earth mining and production. This arrangement, if completed as described, would represent a significant expansion of public-sector involvement in the company and in United States critical-minerals policy. In April 2026, USA Rare Earth announced an agreement to acquire Serra Verde Group for $2.8 billion. Serra Verde’s principal asset is the Pela Ema mine in Goiás, Brazil, described as a scaled producer of all four magnetic rare-earth elements outside Asia: neodymium, praseodymium, dysprosium, and terbium. The proposed transaction combines cash and equity consideration, with legacy Serra Verde investors retaining a 34% stake in the combined company and receiving an additional $300 million in cash. Pela Ema’s ionic-clay geology differs from the rhyolite deposits associated with USA Rare Earth’s North American projects. Because ionic-clay deposits can generally be mined near the surface without the same degree of blasting, crushing, and milling, the Brazilian asset could diversify the company’s resource base and improve access to certain heavy rare-earth elements. USA Rare Earth’s positioning rests on supply-chain security, vertical integration, and strategic materials independence. Its prospective customers and end markets include defense contractors, automotive and electric-vehicle manufacturers, renewable-energy companies, electronics producers, and industrial technology businesses. The company remains a developing platform rather than a mature global consumer brand: its identity is primarily institutional and industrial, and its progress depends on technical scale-up, permitting, project execution, financing, integration of acquisitions, and the economics of rare-earth processing and magnet production.

USA Rare Earth was established in 2019 by Pini Althaus as an American rare-earth resources and manufacturing company. From its early development, the company pursued a vertically integrated “mine-to-magnet” concept rather than limiting its activities to the extraction of mineral-bearing material. The intended chain includes resource development, mining, separation of rare-earth elements, production of rare-earth metals and alloys, and fabrication of permanent magnets. The company’s activities are linked to the strategic importance of rare-earth elements in defense, electrified transportation, renewable energy, electronics, robotics, and advanced manufacturing. Heavy rare-earth elements, including dysprosium and terbium, are particularly important in some high-temperature and high-performance magnet applications. USA Rare Earth has therefore sought to develop capabilities that cover both the resource and processing sides of the industry. A major part of its United States development program has involved the Round Top resource. By early 2025, the company reported the production of high-purity dysprosium oxide from Round Top ore. This was significant because it indicated progress in converting mined or recovered material into a separated, higher-value rare-earth product. The company also opened an Innovations Lab in Stillwater, Oklahoma, to support product development and magnet prototyping. In January 2025, the laboratory produced its first sintered neodymium-iron-boron magnets, providing an early demonstration of downstream manufacturing capability. USA Rare Earth then broadened its geographic and technical scope. In September 2025, it announced a binding agreement to acquire Less Common Metals, a United Kingdom company specializing in rare-earth metals and alloys. The announced consideration consisted of $100 million in cash and 6.74 million shares of USA Rare Earth common stock. The proposed acquisition would strengthen the metal and alloy stage of the supply chain and give the company a significant non-U.S. operating platform. Capital raising has been another important part of the company’s development. In 2025, USA Rare Earth obtained $75 million through a private investment in public equity transaction. The funds were described as supporting magnet manufacturing and general operations. Reference material also records a January 2026 announcement by the Trump Administration of a $1.6 billion debt-and-equity investment and an associated 10% stake. The reported investment reflects the geopolitical importance of domestic rare-earth production and the role of government policy in developing critical-minerals supply chains. On April 20, 2026, USA Rare Earth announced terms for the proposed acquisition of Serra Verde Group for $2.8 billion. Serra Verde’s Pela Ema mine in Goiás, Brazil, was described as the only scaled producer outside Asia of all four magnetic rare-earth elements: neodymium, praseodymium, dysprosium, and terbium. Under the announced structure, the transaction would use both cash and equity. Existing Serra Verde investors would retain a 34% interest in the combined entity and receive a further $300 million in cash. Pela Ema would add a geological profile different from USA Rare Earth’s North American projects. The Brazilian operation is associated with ionic-clay deposits containing light and heavy rare-earth elements. Such deposits can generally be mined close to the surface and may not require the blasting, crushing, and milling associated with harder host rocks. By contrast, the company’s North American projects include rhyolite formations that can be more energy-intensive to mine. The proposed combination was presented as a way to join Serra Verde’s operating resource with USA Rare Earth’s planned processing, separation, metallization, and magnet-making capabilities. USA Rare Earth’s evolution has therefore been from a domestic resource-development venture into a broader critical-materials platform with mining, processing, manufacturing, and international acquisition ambitions. Its future performance depends on completing announced transactions, obtaining and maintaining required approvals, scaling production reliably, securing financing, and competing in a market where supply concentration, government policy, commodity prices, environmental requirements, and technology demand all materially affect commercial outcomes.

• 2026

  U.S. government investment announced

  [1]USA Rare Earthen.wikipedia.org

  Reference material describes a $1.6 billion debt-and-equity investment by the Trump Administration associated with a 10% stake in the company.

• 2026

  Serra Verde acquisition announced

  [1]USA Rare Earthen.wikipedia.org

  USA Rare Earth announced a proposed $2.8 billion acquisition of Serra Verde Group and its Pela Ema mine in Brazil.

• 2025

  Dysprosium oxide production milestone

  [1]USA Rare Earthen.wikipedia.org

  The company reported producing high-purity dysprosium oxide from Round Top ore.

• 2025

  Stillwater Innovations Lab opens

  [1]USA Rare Earthen.wikipedia.org

  USA Rare Earth opened an Innovations Lab in Stillwater, Oklahoma, for prototype and magnet-development work.

• 2025

  First sintered NdFeB magnets produced

  [1]USA Rare Earthen.wikipedia.org

  The company produced its first batch of sintered neodymium-iron-boron permanent magnets at the Stillwater laboratory.

• 2025

  Less Common Metals acquisition announced

  [1]USA Rare Earthen.wikipedia.org

  USA Rare Earth announced a binding agreement to acquire the United Kingdom rare-earth metals and alloys producer.

• 2019

  Company founded

  [1]USA Rare Earthen.wikipedia.org

  USA Rare Earth was founded by Pini Althaus to pursue domestic rare-earth resources and an integrated mine-to-magnet business model.

A strategic-materials company seeking to integrate rare-earth mining, separation, metal and alloy production, and permanent-magnet manufacturing across North American and international assets.

• Processed rare-earth materials

  Rare-earth oxides

  USA Rare Earth develops separated and processed rare-earth oxide products, including high-purity dysprosium oxide reported from Round Top ore. These materials are intermediate products that can be used in the production of rare-earth metals, alloys, and high-performance permanent magnets. Heavy rare-earth oxides are strategically important because they can improve magnet performance in demanding temperature and operating environments.

• Specialty metals

  Rare-earth metals and alloys

  The company’s mine-to-magnet strategy includes converting separated rare-earth compounds into metals and alloys suitable for downstream manufacturing. This capability is being developed internally and supported by the proposed acquisition of Less Common Metals, a United Kingdom producer of rare-earth metals and alloys. Such products can serve as feedstock for magnet manufacturing and other specialized industrial applications.

• Permanent magnets · 2025

  Sintered NdFeB permanent magnets

  USA Rare Earth is developing sintered neodymium-iron-boron magnets for applications requiring high magnetic strength and compact size. The company reported its first laboratory-produced batch in January 2025 at its Stillwater Innovations Lab. Intended end markets include defense equipment, electric vehicles, renewable-energy systems, electronics, robotics, and advanced industrial machinery.

• Mineral resources

  Round Top rare-earth resources

  Round Top is a core part of USA Rare Earth’s North American resource and processing program. The project is associated with rhyolite-hosted mineralization and is intended to provide feedstock for separation and downstream production. The company has reported progress in recovering high-purity dysprosium oxide from Round Top material, linking the resource to its broader strategy for heavy rare-earth supply.

• Rare-earth mining asset

  Pela Ema mine

  Pela Ema, the principal asset of Serra Verde Group in Goiás, Brazil, is the subject of USA Rare Earth’s proposed acquisition of Serra Verde. The mine is described as a scaled producer of neodymium, praseodymium, dysprosium, and terbium outside Asia. Its ionic-clay geology could complement USA Rare Earth’s harder-rock North American projects and broaden access to both light and heavy magnetic rare-earth elements.

• 2026

  Proposed acquisition of Serra Verde GroupM&A

  Background

  USA Rare Earth sought to expand its resource base and obtain access to an operating Brazilian asset containing all four magnetic rare-earth elements.

  Action taken

  The company announced a proposed $2.8 billion cash-and-equity acquisition of Serra Verde Group. Legacy Serra Verde investors would retain 34% of the combined entity and receive an additional $300 million in cash.

  Aftermath

  The proposed combination would link Pela Ema’s ionic-clay resource with USA Rare Earth’s planned separation, metallization, alloy, and magnet-making capabilities.

  Announced transaction value. $2.8 billion; existing Serra Verde investors to retain 34% and receive $300 million in additional cash (April 20, 2026 announcement)

  Source

• 2026

  Reported U.S. government investmentStrategy

  Background

  The investment was described as supporting domestic mining and production of rare-earth elements and strengthening United States supply-chain security.

  Action taken

  The Trump Administration announced a reported $1.6 billion debt-and-equity investment associated with a 10% stake in USA Rare Earth.

  Aftermath

  The announcement positioned the company as a major potential recipient of U.S. public-sector support for critical-minerals and magnet manufacturing capacity.

  Announced debt-and-equity investment. $1.6 billion associated with a 10% stake (January 2026 announcement)

  Source

• 2026

  Planned CEO transitionOther

  Background

  The leadership change was announced while the company was pursuing major financing, manufacturing expansion, and acquisitions.

  Action taken

  USA Rare Earth announced that Barbara Humpton would retire as chief executive officer effective October 1, 2026.

  Aftermath

  A successor and the longer-term leadership implications were not specified in the available reference material.

  Source

• 2025

  First sintered NdFeB magnet batchProduct launch

  Background

  USA Rare Earth sought to demonstrate that it could progress beyond mining and processing into downstream permanent-magnet production.

  Action taken

  The company produced its first batch of sintered neodymium-iron-boron magnets at its Stillwater Innovations Lab.

  Aftermath

  The result provided an early technical milestone for the company’s planned commercial magnet-manufacturing activities.

  Source

• 2025

  Proposed acquisition of Less Common MetalsM&A

  Background

  USA Rare Earth needed metal and alloy capabilities to connect separated rare-earth materials with permanent-magnet manufacturing.

  Action taken

  The company announced a binding agreement to acquire the United Kingdom producer for $100 million in cash plus 6.74 million shares of USA Rare Earth common stock.

  Aftermath

  The proposed transaction would add an established rare-earth metals and alloys operation to the company’s international supply-chain platform.

  Announced consideration. $100 million in cash plus 6.74 million USA Rare Earth shares (September 2025 announcement)

  Source

• 2019

  Adoption of a mine-to-magnet strategyStrategy

  Background

  The company was established amid concern about concentrated global supply of rare-earth materials and permanent magnets.

  Action taken

  USA Rare Earth pursued a vertically integrated model spanning resource development, mining, separation, metal and alloy production, and magnet manufacturing.

  Aftermath

  The strategy became the organizing principle for the company’s resource projects, laboratory work, manufacturing plans, and acquisitions.

  Source

1. 1USA Rare Earthen.wikipedia.org