There is a long list of 742 institutional holders of MP within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of MP by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-MP table below, the initial column indicates the name of each top institutional holder of MP, with a link to that fund's top holdings. The next columns indicate the amount of MP stock held by each of the institutional holders of MP, followed by the MP position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.
| Holder | Amount | Position Size ($ in 1000's) | As of |
|---|---|---|---|
 UBS Group AG | $1,798,247 | 12/31/2025 | |
| Call | 33,925,880 | $1,713,935 | 12/31/2025 |
| MP | 1,668,892 | $84,312 | 12/31/2025 |
 Hancock Prospecting Pty Ltd | 14,861,212 | $750,788 | 12/31/2025 |
| MP | 14,861,212 | $750,788 | 12/31/2025 |
| Vanguard Group Inc. | 14,479,787 | $731,519 | 12/31/2025 |
| MP | 14,479,787 | $731,519 | 12/31/2025 |
| BlackRock Inc. | 13,476,867 | $680,851 | 12/31/2025 |
| MP | 13,476,867 | $680,851 | 12/31/2025 |
| Susquehanna International Group LLP | $422,234 | 12/31/2025 | |
| Call | 8,628,600 | $435,917 | 12/31/2025 |
| Put | 1,992,200 | $100,646 | 12/31/2025 |
| MP | 1,721,355 | $86,963 | 12/31/2025 |
| State Street Corp | 6,597,885 | $333,325 | 12/31/2025 |
| MP | 6,597,885 | $333,325 | 12/31/2025 |
| Invesco Ltd. | $178,220 | 12/31/2025 | |
| MP | 3,437,707 | $173,673 | 12/31/2025 |
| Call | 90,000 | $4,547 | 12/31/2025 |
| Morgan Stanley | 3,177,806 | $160,543 | 12/31/2025 |
| MP | 3,177,806 | $160,543 | 12/31/2025 |
| Cooperman Leon G | 3,000,000 | $151,560 | 12/31/2025 |
| MP | 3,000,000 | $151,560 | 12/31/2025 |
| Van ECK Associates Corp | 2,834,914 | $143,220 | 12/31/2025 |
| MP | 2,834,914 | $143,220 | 12/31/2025 |
| Reaves W H & Co. Inc. | 2,609,526 | $131,833 | 12/31/2025 |
| MP | 2,609,526 | $131,833 | 12/31/2025 |
| Geode Capital Management LLC | 2,544,743 | $128,587 | 12/31/2025 |
| MP | 2,544,743 | $128,587 | 12/31/2025 |
| Bank of America Corp DE | 2,174,540 | $109,858 | 12/31/2025 |
| MP | 2,174,540 | $109,858 | 12/31/2025 |
| JPMorgan Chase & Co. | $107,199 | 12/31/2025 | |
| MP | 2,545,709 | $128,609 | 12/31/2025 |
| Put | 600,000 | $30,312 | 12/31/2025 |
| Call | 176,200 | $8,902 | 12/31/2025 |
| Dimensional Fund Advisors LP | 1,908,676 | $96,425 | 12/31/2025 |
| MP | 1,908,676 | $96,425 | 12/31/2025 |
| Caption Management LLC | $90,956 | 12/31/2025 | |
| Call | 1,994,500 | $100,762 | 12/31/2025 |
| Put | 321,000 | $16,217 | 12/31/2025 |
| MP | 126,900 | $6,411 | 12/31/2025 |
| Hsbc Holdings PLC | $88,205 | 12/31/2025 | |
| Call | 1,717,000 | $86,829 | 12/31/2025 |
| MP | 172,729 | $8,734 | 12/31/2025 |
| Put | 145,500 | $7,358 | 12/31/2025 |
| Price T Rowe Associates Inc. MD | 1,742,675 | $88,042 | 12/31/2025 |
| MP | 1,742,675 | $88,042 | 12/31/2025 |
| Norges Bank | 1,633,636 | $82,531 | 12/31/2025 |
| MP | 1,633,636 | $82,531 | 12/31/2025 |
| Voloridge Investment Management LLC | 1,605,494 | $81,110 | 12/31/2025 |
| MP | 1,605,494 | $81,110 | 12/31/2025 |
| FMR LLC | 1,387,296 | $70,086 | 12/31/2025 |
| MP | 1,387,296 | $70,086 | 12/31/2025 |
| Barclays PLC | $69,373 | 12/31/2025 | |
| Call | 822,500 | $41,553 | 12/31/2025 |
| MP | 550,673 | $27,820 | 12/31/2025 |
| Citigroup Inc. | $65,825 | 12/31/2025 | |
| MP | 950,958 | $48,042 | 12/31/2025 |
| Call | 352,000 | $17,783 | 12/31/2025 |
| Bank of New York Mellon Corp | 1,202,112 | $60,731 | 12/31/2025 |
| MP | 1,202,112 | $60,731 | 12/31/2025 |
| Northern Trust Corp | 1,061,094 | $53,606 | 12/31/2025 |
| MP | 1,061,094 | $53,606 | 12/31/2025 |
| Capital Fund Management S.A. | $42,620 | 12/31/2025 | |
| MP | 714,530 | $36,098 | 12/31/2025 |
| Call | 258,600 | $13,064 | 12/31/2025 |
| Put | 129,500 | $6,542 | 12/31/2025 |
| D. E. Shaw & Co. Inc. | $40,939 | 12/31/2025 | |
| Call | 1,129,200 | $57,047 | 12/31/2025 |
| Put | 921,100 | $46,534 | 12/31/2025 |
| MP | 602,251 | $30,426 | 12/31/2025 |
| Charles Schwab Investment Management Inc. | 790,321 | $39,927 | 12/31/2025 |
| MP | 790,321 | $39,927 | 12/31/2025 |
| Voya Investment Management LLC | 778,719 | $39,341 | 12/31/2025 |
| MP | 778,719 | $39,341 | 12/31/2025 |
| Bank of Montreal Can | $38,390 | 12/31/2025 | |
| MP | 770,601 | $38,931 | 12/31/2025 |
| Put | 30,700 | $1,551 | 12/31/2025 |
| Call | 20,000 | $1,010 | 12/31/2025 |
| Driehaus Capital Management LLC | 759,478 | $38,369 | 12/31/2025 |
| MP | 759,478 | $38,369 | 12/31/2025 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 728,745 | $36,817 | 12/31/2025 |
| MP | 728,745 | $36,817 | 12/31/2025 |
| Baillie Gifford & Co. | 717,292 | $36,238 | 12/31/2025 |
| MP | 717,292 | $36,238 | 12/31/2025 |
| Principal Financial Group Inc. | 694,074 | $35,065 | 12/31/2025 |
| MP | 694,074 | $35,065 | 12/31/2025 |
| Wells Fargo & Company MN | $33,212 | 12/31/2025 | |
| MP | 551,803 | $27,877 | 12/31/2025 |
| Call | 284,000 | $14,348 | 12/31/2025 |
| Put | 178,400 | $9,013 | 12/31/2025 |
| Group One Trading L.P. | $33,057 | 12/31/2025 | |
| Call | 1,285,100 | $64,923 | 12/31/2025 |
| Put | 730,000 | $36,880 | 12/31/2025 |
| MP | 99,245 | $5,014 | 12/31/2025 |
| Raymond James Financial Inc. | 595,735 | $30,097 | 12/31/2025 |
| MP | 595,735 | $30,097 | 12/31/2025 |
| UBS Asset Management Americas Inc. | 557,608 | $28,170 | 12/31/2025 |
| MP | 557,608 | $28,170 | 12/31/2025 |
| Rokos Capital Management LLP | 550,206 | $27,783 | 12/31/2025 |
| MP | 550,206 | $27,783 | 12/31/2025 |
| Simplex Trading LLC | $25,786 | 12/31/2025 | |
| Call | 943,600 | $47,671 | 12/31/2025 |
| Put | 433,200 | $21,885 | 12/31/2025 |
| First Trust Advisors LP | 509,445 | $25,737 | 12/31/2025 |
| MP | 509,445 | $25,737 | 12/31/2025 |
| Millennium Management LLC | $25,330 | 12/31/2025 | |
| MP | 542,372 | $27,401 | 12/31/2025 |
| Put | 144,300 | $7,290 | 12/31/2025 |
| Call | 103,300 | $5,219 | 12/31/2025 |
| BNP Paribas Arbitrage SA | 499,280 | $25,224 | 12/31/2025 |
| MP | 499,280 | $25,224 | 12/31/2025 |
| Citadel Advisors LLC | $24,826 | 12/31/2025 | |
| Call | 3,717,200 | $187,793 | 12/31/2025 |
| Put | 3,225,800 | $162,967 | 12/31/2025 |
| Jump Financial LLC | 488,340 | $24,671 | 12/31/2025 |
| MP | 488,340 | $24,671 | 12/31/2025 |
| Goldman Sachs Group Inc. | 480,920 | $24,296 | 12/31/2025 |
| MP | 480,920 | $24,296 | 12/31/2025 |
| Man Group plc | $24,144 | 12/31/2025 | |
| MP | 477,919 | $24,144 | 12/31/2025 |
| Put | 68,300 | $3,451 | 12/31/2025 |
| Call | 68,300 | $3,451 | 12/31/2025 |
| Connor Clark & Lunn Investment Management Ltd. | 427,677 | $21,606 | 12/31/2025 |
| MP | 427,677 | $21,606 | 12/31/2025 |
| Royal Bank of Canada | $19,507 | 12/31/2025 | |
| MP | 337,837 | $17,067 | 12/31/2025 |
| Call | 48,300 | $2,440 | 12/31/2025 |
| Two Sigma Advisers LP | 378,300 | $19,112 | 12/31/2025 |
| MP | 378,300 | $19,112 | 12/31/2025 |
See Details: Top 10 Hedge Funds Holding MP
Also See: MP Insider Buying
Also See: MP Holdings Changes
