| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| RIO TINTO PLC | 9.5% | $21,665,614 | 19,004,925 | Rio Tinto plc | 13 Jun 2025 | |||
| Kopernik Global Investors, LLC | 6.6% | $14,174,581 | 13,124,612 | Kopernik Global Investors, LLC | 31 Dec 2024 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price | Investors |
|---|---|---|---|---|---|
| 2025 Q3 | 27,015,963 | $53,463,599 | +$1,000,545 | $1.97 | 61 |
| 2025 Q2 | 26,533,771 | $32,737,998 | +$885,328 | $1.25 | 52 |
| 2025 Q1 | 26,552,868 | $30,211,680 | +$2,414,949 | $1.14 | 50 |
| 2024 Q4 | 24,364,583 | $25,580,715 | +$2,619,571 | $1.05 | 44 |
| 2024 Q3 | 21,797,095 | $26,214,105 | -$292,430 | $1.20 | 42 |
| 2024 Q2 | 23,600,253 | $26,966,551 | +$1,480,989 | $1.15 | 41 |
| 2024 Q1 | 22,302,983 | $34,089,125 | +$2,553,501 | $1.53 | 32 |
| 2023 Q4 | 20,786,769 | $27,473,416 | -$79,586 | $1.33 | 33 |
| 2023 Q3 | 21,118,380 | $28,871,837 | -$287,822 | $1.36 | 39 |
| 2023 Q2 | 21,301,997 | $32,784,161 | -$115,080 | $1.53 | 37 |
| 2023 Q1 | 21,372,816 | $38,893,716 | +$3,269,657 | $1.83 | 37 |
| 2022 Q4 | 19,498,022 | $34,698,136 | +$310,520 | $1.78 | 40 |
| 2022 Q3 | 19,303,495 | $24,451,270 | -$277,612 | $1.27 | 26 |
| 2022 Q2 | 19,488,086 | $26,741,067 | -$895,205 | $1.34 | 29 |
| 2022 Q1 | 19,862,078 | $46,853,000 | +$3,818,150 | $2.36 | 31 |
| 2021 Q4 | 18,270,162 | $28,871,000 | +$1,244,846 | $1.57 | 27 |
| 2021 Q3 | 17,494,840 | $26,045,734 | +$96,762 | $1.49 | 32 |
| 2021 Q2 | 17,357,634 | $34,458,200 | +$1,858,386 | $2.00 | 33 |
| 2021 Q1 | 16,477,615 | $20,597,916 | -$855,389 | $1.25 | 28 |
| 2020 Q4 | 17,158,887 | $21,158,177 | +$13,537,904 | $1.23 | 25 |
| 2020 Q3 | 5,827,377 | $7,077,086 | +$2,004,357 | $1.21 | 13 |
| 2020 Q2 | 4,219,804 | $3,667,769 | -$40,050 | $0.8718 | 13 |
| 2020 Q1 | 4,271,572 | $1,700,175 | -$111,011 | $0.3958 | 14 |
| 2019 Q4 | 4,406,730 | $3,630,693 | +$134,952 | $0.8249 | 16 |
| 2019 Q3 | 800 | $1,000 | -$1,000 | $1.25 | 1 |
| 2019 Q2 | 3,618,009 | $2,350,956 | +$1,990,970 | $0.6514 | 12 |
| 2019 Q1 | 4,312,540 | $2,418,296 | +$56,368 | $0.5446 | 12 |
| 2018 Q4 | 482,901 | $217,370 | +$26,015 | $0.4500 | 13 |
| 2018 Q3 | 403,894 | $273,648 | +$9,451 | $0.6790 | 13 |
| 2018 Q2 | 384,656 | $322,944 | +$47,201 | $0.8418 | 11 |
| 2018 Q1 | 329,554 | $259,116 | -$405,354 | $0.7867 | 11 |
| 2017 Q4 | 732,032 | $737,766 | -$485,235 | $1.01 | 14 |
| 2017 Q3 | 5,187,218 | $6,030,256 | +$86,498 | $1.16 | 15 |
| 2017 Q2 | 5,000,777 | $4,996,000 | -$29,472 | $1.00 | 12 |
| 2017 Q1 | 5,324,603 | $7,034,000 | +$593,481 | $1.31 | 10 |
| 2016 Q4 | 785,420 | $1,083,000 | +$538,516 | $1.38 | 11 |
| 2016 Q3 | 407,617 | $341,000 | -$661,603 | $0.8373 | 10 |
| 2016 Q2 | 1,192,976 | $1,015,000 | +$141,878 | $0.8498 | 7 |
| 2016 Q1 | 1,024,792 | $546,000 | -$3,189 | $0.5479 | 4 |
| 2015 Q4 | 10,000 | $2,000 | -$68,999 | $0.2000 | 2 |
| 2015 Q3 | 1,348,681 | $389,000 | -$650,215 | $0.3025 | 8 |
| 2015 Q2 | 2,944,138 | $1,275,000 | -$811,456 | $0.4328 | 12 |
| 2015 Q1 | 4,756,132 | $2,137,000 | -$306,479 | $0.4496 | 12 |
| 2014 Q4 | 5,635,386 | $3,302,593 | -$217,350 | $0.5857 | 16 |
| 2014 Q3 | 6,030,634 | $3,499,735 | +$2,894 | $0.5807 | 18 |
| 2014 Q2 | 6,029,158 | $4,639,088 | -$105,335 | $0.7700 | 17 |
| 2014 Q1 | 6,160,582 | $5,947,891 | +$39,239 | $0.9681 | 18 |