MP Materials Corp. / DE (MP) Stock
1 member of Congress disclosed 1 trade in MP since 2022: 1 purchase and 0 sales, most recently Thomas Suozzi (purchase, May 5, 2022). 4 of the hedge funds AlphaScala tracks reported MP in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is D.E. Shaw's at $326.48M.
Which members of Congress traded MP Materials Corp. / DE (MP)?
Most recent: Thomas Suozzi (purchase, May 5, 2022); records start May 5, 2022.
| Politician | Trade date | Type | Amount |
|---|---|---|---|
| Tom Suozzi D-NY · House | 2022-05-05 | purchase | $15k – $50k |
From STOCK Act periodic transaction reports. House filings as of Nov 5, 2026.
See all MP political trades →Which hedge funds own MP?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| D.E. Shaw David Shaw | 5.83M | $326.48M | +85% |
| Marshall Wace | 1.74M | $97.18M | +1240% |
| Bridgewater Associates Ray Dalio | 446K | $25.00M | +313% |
| Citadel Ken Griffin | 122K | $6.85M | -52% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →MP price chart
Powered by TradingViewWhat does MP Materials Corp. / DE do?
MP Materials Corp. is an American rare-earth materials company that operates as the only fully integrated rare earth producer in the United States, spanning mining, processing, metallization, and magnet manufacturing. The company owns and operates the Mountain Pass Rare Earth Mine and Processing facility in California, the sole operational rare earth mine in the country, producing high-purity rare earth concentrate from high-grade ore through advanced flotation processes. It focuses on Neodymium-Praseodymium (NdPr) and other materials essential for high-strength permanent magnets used in electric vehicles, wind turbines, robotics, drones, defense, aerospace, and renewable energy applications. MP Materials Corp. conducts operations across two segments: Materials, centered on mining and initial processing at Mountain Pass, and Magnetics, which produces magnetic precursor products, metals, alloys, and finished magnets at its Independence facility in Fort Worth, Texas. These products support critical sectors including transportation, energy, and advanced motion technologies. Founded in 2017 and headquartered in Las Vegas, Nevada, MP Materials Corp. plays a pivotal role in the domestic rare earth supply chain.