| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| RIO TINTO PLC | 9.5% | $21,855,664 | 19,004,925 | Rio Tinto plc | 13 Jun 2025 | |||
| Kopernik Global Investors, LLC | 6.6% | $15,880,781 | 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 | +$1,000,551 | $1.97 | 61 |
| 2025 Q2 | 26,533,771 | $32,737,998 | -$87,993 | $1.25 | 52 |
| 2025 Q1 | 26,552,868 | $30,211,680 | +$2,414,943 | $1.14 | 50 |
| 2024 Q4 | 24,364,583 | $25,580,535 | +$2,619,653 | $1.05 | 44 |
| 2024 Q3 | 21,820,695 | $26,242,425 | -$290,005 | $1.2 | 43 |
| 2024 Q2 | 23,621,853 | $26,991,391 | +$1,480,941 | $1.15 | 42 |
| 2024 Q1 | 22,324,583 | $34,113,965 | +$2,239,808 | $1.53 | 33 |
| 2023 Q4 | 20,801,604 | $27,493,129 | +$49,204 | $1.33 | 35 |
| 2023 Q3 | 21,135,915 | $28,895,752 | -$287,815 | $1.36 | 41 |
| 2023 Q2 | 21,319,532 | $32,811,001 | -$110,485 | $1.53 | 39 |
| 2023 Q1 | 21,387,351 | $38,920,173 | +$3,272,590 | $1.83 | 39 |
| 2022 Q4 | 19,510,957 | $34,721,140 | +$329,319 | $1.78 | 42 |
| 2022 Q3 | 19,328,995 | $24,483,115 | -$246,389 | $1.27 | 30 |
| 2022 Q2 | 19,500,486 | $26,758,412 | -$1,177,883 | $1.34 | 32 |
| 2022 Q1 | 19,867,808 | $46,867,353 | +$3,819,176 | $2.36 | 34 |
| 2021 Q4 | 18,274,162 | $28,877,194 | +$1,244,794 | $1.57 | 28 |
| 2021 Q3 | 17,498,840 | $26,051,631 | +$81,989 | $1.49 | 33 |
| 2021 Q2 | 17,370,384 | $34,482,843 | +$1,858,445 | $1.99 | 33 |
| 2021 Q1 | 16,495,365 | $20,619,661 | -$860,387 | $1.25 | 28 |
| 2020 Q4 | 17,181,049 | $21,184,845 | +$13,547,570 | $1.23 | 28 |
| 2020 Q3 | 5,837,964 | $7,089,688 | +$2,005,343 | $1.21 | 16 |
| 2020 Q2 | 4,229,229 | $3,676,346 | -$36,385 | $0.8718 | 15 |
| 2020 Q1 | 4,274,572 | $1,701,322 | -$111,018 | $0.3943 | 15 |
| 2019 Q4 | 4,409,730 | $3,633,145 | +$132,682 | $0.8249 | 17 |
| 2019 Q3 | 4,249,225 | $2,755,116 | +$406,904 | $0.64 | 15 |
| 2019 Q2 | 3,625,009 | $2,355,392 | +$1,990,968 | $0.649 | 13 |
| 2019 Q1 | 4,319,540 | $2,422,120 | +$56,361 | $0.5463 | 13 |
| 2018 Q4 | 491,424 | $221,447 | +$26,062 | $0.45 | 15 |
| 2018 Q3 | 408,894 | $277,013 | +$9,451 | $0.6782 | 14 |
| 2018 Q2 | 389,656 | $327,166 | -$141,798 | $0.8431 | 12 |
| 2018 Q1 | 520,064 | $452,069 | -$403,355 | $0.7904 | 14 |
| 2017 Q4 | 737,032 | $742,799 | -$485,221 | $1.01 | 15 |
| 2017 Q3 | 5,192,918 | $6,036,860 | +$88,115 | $1.16 | 18 |
| 2017 Q2 | 5,280,287 | $5,331,974 | -$231,533 | $1 | 15 |
| 2017 Q1 | 5,512,113 | $7,358,135 | +$593,476 | $1.31 | 12 |
| 2016 Q4 | 796,620 | $1,093,000 | +$538,510 | $1.38 | 12 |
| 2016 Q3 | 407,617 | $341,000 | -$661,081 | $0.8373 | 10 |
| 2016 Q2 | 1,377,086 | $1,218,000 | +$142,882 | $0.8515 | 9 |
| 2016 Q1 | 1,208,302 | $673,000 | -$137,189 | $0.5487 | 5 |
| 2015 Q4 | 1,709,716 | $488,000 | +$40,290 | $0.275 | 9 |
| 2015 Q3 | 1,532,191 | $458,000 | -$650,321 | $0.305 | 9 |
| 2015 Q2 | 3,147,469 | $1,382,000 | -$933,446 | $0.4328 | 15 |
| 2015 Q1 | 4,985,031 | $2,266,000 | -$181,940 | $0.4496 | 14 |
| 2014 Q4 | 5,635,386 | $3,302,593 | -$217,351 | $0.5857 | 16 |
| 2014 Q3 | 6,030,634 | $3,499,735 | +$2,892 | $0.5806 | 18 |
| 2014 Q2 | 6,029,158 | $4,639,088 | -$105,338 | $0.77 | 17 |
| 2014 Q1 | 6,160,582 | $5,947,891 | +$39,236 | $0.968 | 18 |