MP Materials Corp. / DE

MP Materials Corp. operates the Mountain Pass Rare Earth Mine and Processing facility in San Bernardino County, California, the only major rare earth mining and processing operation in the United States. The company extracts and processes rare earth elements, which are critical materials used in permanent magnets, electronics, renewable energy systems, and defense applications. Mountain Pass has been a significant domestic source of rare earth production, supporting supply chain resilience for rare earth-dependent industries.

The company operates through two business segments. The Materials segment encompasses mining and processing activities at the Mountain Pass facility, where the company extracts rare earth ore and produces separated rare earth materials. The Magnetics segment manufactures magnetic precursor products derived from rare earth elements, extending the company's value chain into finished magnetic components.

MP Materials was incorporated in Delaware and founded in 2017, with headquarters in Las Vegas, Nevada. The company is listed on the New York Stock Exchange under the ticker MP, with a market capitalization of approximately $10.4 billion. As a metal mining operation with domestic production capacity, the company serves customers across technology, manufacturing, and defense sectors requiring rare earth materials and related products.