Metal Mining - Latest Activist Disclosures

This table shows recent activist investor (Schedule 13D) filings made in this industry. Any investor or hedge fund that makes an investment with the intention of influencing management is considered an activist investor and must file a 13D.

Date Form Target Company Investor Shares Ownership
(Percent)
Ownership Change
(Percent)
2026-04-22 13D/A CA:NOU / Nouveau Monde Graphite Inc. Canada Growth Fund Inc. 39,682,538 22.00 0.00
2026-04-20 13D/A CA:ITH / International Tower Hill Mines Ltd. Paulson & Co. Inc. 104,486,703 39.90 1,072.95
2026-04-13 13D/A CA:NOU / Nouveau Monde Graphite Inc. Canada Growth Fund Inc. 39,682,538 22.00 0.00
2026-04-07 13D/A CA:NDM / Northern Dynasty Minerals Ltd. Kopernik Global Investors, LLC 83,628,221 14.00 332.29
2026-04-06 13D/A CA:NOU / Nouveau Monde Graphite Inc. Canada Growth Fund Inc. 39,682,538 22.00 0.00
2026-04-01 13D/A CA:WRN / Western Copper and Gold Corporation Rio Tinto Plc 19,004,925 8.42
2026-03-30 13D/A AR:LAC / Lithium Americas Corp. - Depositary Receipt (Common Stock) General Motors Holdings LLC 0 0.00
2026-03-30 13D/A CA:NOU / Nouveau Monde Graphite Inc. Canada Growth Fund Inc. 39,682,538 22.00
2026-03-26 13D/A GROY.WS / Gold Royalty Corp. - Equity Warrant Tether Holdings Ltd 30,300,000 13.50
2026-03-26 13D/A CA:MTA / Metalla Royalty & Streaming Ltd. Tether Holdings Ltd 9,266,571 10.00
2026-03-24 13D/A CA:USA / Americas Gold and Silver Corporation Sprott Eric 40,053,940 12.40
2026-03-13 13D/A REEMF / Rare Element Resources Ltd. Blue James N 460,889,576 71.40
2026-02-09 13D/A GROY / Gold Royalty Corp. Tether Holdings Ltd 29,237,531 13.10 11.94
2026-01-15 13D/A GROY / Gold Royalty Corp. Tether Holdings Ltd 26,117,792 11.70 14.73
2026-01-13 13D/A MP / MP Materials Corp. Litinsky James H. 13,022,362 7.30 -11.80
2026-01-13 13D/A PBM / Psyence Biomedical Ltd. KAOS Capital Ltd. 313,876 4.91 0.00
2025-12-12 13D LBSR / Liberty Star Uranium & Metals Corp. Patricia Madaris 4,876,487 0.05
2025-12-11 13D/A LBSR / Liberty Star Uranium & Metals Corp. O'heeron Pete 146,709,838 79.00
2025-12-10 13D PBM / Psyence Biomedical Ltd. KAOS Capital Ltd. 313,876 16.77
2025-12-05 13D/A HYMC / Hycroft Mining Holding Corporation Amc Entertainment Holdings, Inc. 1,064,861 1.30 -77.56
2025-12-01 13D/A GROY / Gold Royalty Corp. Tether Holdings Ltd 22,763,593 13.10 12.85
2025-11-18 13D/A GROY / Gold Royalty Corp. Tether Holdings Ltd 20,170,713 11.60 12.11
2025-11-07 13D/A HYMC / Hycroft Mining Holding Corporation Amc Entertainment Holdings, Inc. 4,745,685 5.70 -89.86
2025-11-06 13D/A SLVM / Sylvamo Corporation ACR Group Paper Holdings JR LP 6,312,454 15.64
2025-11-03 13D/A GROY / Gold Royalty Corp. Tether Holdings Ltd 17,991,198 10.50 30.29
2025-10-30 13D CTGO / Contango Silver & Gold Inc. Kenneth R. Peak Marital Trust 668,302 4.40 -15.20
2025-10-24 13D GROY / Gold Royalty Corp. Tether Holdings Ltd 13,809,085 8.10
2025-10-22 13D MGN / Megan Holdings Limited Hoo Wei Sern 10,845,000 66.70
2025-06-23 13D/A TMC / TMC the metals company Inc. First Manhattan Co 17,619,789 4.90 -23.36
2025-06-23 13D/A PZG / Paramount Gold Nevada Corp. Seabridge Gold Inc 3,638,413 4.89 52.56
2025-05-27 13D/A TMC / TMC the metals company Inc. Allseas Group S.A. 60,196,934 16.60 8.40
2025-05-13 13D TMC / TMC the metals company Inc. First Manhattan Co 22,991,050 6.50 -4.06
2025-05-12 13D/A PBM / Psyence Biomedical Ltd. Psyence Group Inc. 0 0.00
2025-04-17 13D/A AUST / Austin Gold Corp. Higgs Dennis Lyle 3,929,001 27.90
2025-04-16 13D/A AUST / Austin Gold Corp. Higgs Darcy Alan 2,526,667 18.50
2025-04-08 13D COPR / Idaho Copper Corporation International Energy & Mineral Resources Investment (Hong Kong) Co Ltd 121,468,700 48.60
2025-03-25 13D/A PBM / Psyence Biomedical Ltd. Psyence Group Inc. 678,722 14.99 -86.43
2025-03-19 13D/A MP / MP Materials Corp. Litinsky James H. 14,765,033 9.00 -9.72
2025-01-22 13D/A B / Barrick Mining Corporation Irenic Capital Management LP 2,572,142 5.10 0.00
2024-12-09 13D/A BEAG / Bold Eagle Acquisition Corp. Eagle Equity Partners IV, LLC 5,518,000 17.62
2024-12-04 13D/A MP / MP Materials Corp. Litinsky James H. 16,354,203 10.02 -13.66
2024-11-14 13D DRD / DRDGOLD Limited - Depositary Receipt (Common Stock) Van Eck Associates Corp 66,867,050 7.73
2024-10-30 13D BEAG / Bold Eagle Acquisition Corp. Eagle Equity Partners IV, LLC 7,537,500 23.17
2024-10-22 13D/A DYNR / DynaResource, Inc. Golden Post Rail, LLC 5,096,775 19.90 1.46
2024-10-02 13D/A GDRZF / Gold Reserve Ltd. Camac Fund, LP 18,527,103 16.40 3.93
2024-09-16 13D/A AUMN / Golden Minerals Company Sentient Global Resources Fund IV, L.P. 682,958 4.54 -43.66
2024-09-09 13D/A AUMN / Golden Minerals Company Sentient Global Resources Fund IV, L.P. 1,212,294 8.06 -97.10
2024-09-06 13D/A GDRZF / Gold Reserve Ltd. Steelhead Partners Llc 10,099,924 8.90 0.00
2024-07-11 13D/A GDRZF / Gold Reserve Ltd. Greywolf Capital Management LP 29,086,828 25.80 4.30
2024-07-01 13D/A DYNR / DynaResource, Inc. Golden Post Rail, LLC 5,023,394 19.99 70.47