| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| RIO TINTO PLC | 9.5% | $21.7M | 19M | Rio Tinto plc | Jun 13, 2025 | |||
| Kopernik Global Investors, LLC | 6.6% | $14.2M | 13.1M | Kopernik Global Investors, LLC | Dec 31, 2024 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Change | Price | Investors |
|---|---|---|---|---|---|
| 2025 Q3 | 27M | $53.4M | +$1M | $1.97 | 59 |
| 2025 Q2 | 26.5M | $32.7M | +$885K | $1.25 | 52 |
| 2025 Q1 | 26.6M | $30.2M | +$2.41M | $1.14 | 50 |
| 2024 Q4 | 24.4M | $25.6M | +$2.62M | $1.05 | 44 |
| 2024 Q3 | 21.8M | $26.2M | -$292K | $1.20 | 42 |
| 2024 Q2 | 23.6M | $27M | +$1.48M | $1.15 | 41 |
| 2024 Q1 | 22.3M | $34.1M | +$2.55M | $1.53 | 32 |
| 2023 Q4 | 20.8M | $27.5M | -$79.6K | $1.33 | 33 |
| 2023 Q3 | 21.1M | $28.9M | -$288K | $1.37 | 39 |
| 2023 Q2 | 21.3M | $32.8M | -$115K | $1.53 | 37 |
| 2023 Q1 | 21.4M | $38.9M | +$3.27M | $1.83 | 37 |
| 2022 Q4 | 19.5M | $34.7M | +$311K | $1.78 | 40 |
| 2022 Q3 | 19.3M | $24.5M | -$278K | $1.27 | 26 |
| 2022 Q2 | 19.5M | $26.7M | -$895K | $1.34 | 29 |
| 2022 Q1 | 19.9M | $46.9M | +$3.82M | $2.36 | 31 |
| 2021 Q4 | 18.3M | $28.9M | +$1.24M | $1.57 | 27 |
| 2021 Q3 | 17.5M | $26M | +$96.8K | $1.49 | 32 |
| 2021 Q2 | 17.4M | $34.5M | +$1.86M | $2.00 | 33 |
| 2021 Q1 | 16.5M | $20.6M | -$855K | $1.25 | 28 |
| 2020 Q4 | 17.2M | $21.2M | +$13.5M | $1.23 | 25 |
| 2020 Q3 | 5.83M | $7.08M | +$2M | $1.21 | 13 |
| 2020 Q2 | 4.22M | $3.67M | -$40.1K | $0.87 | 13 |
| 2020 Q1 | 4.27M | $1.7M | -$111K | $0.40 | 14 |
| 2019 Q4 | 4.41M | $3.63M | +$135K | $0.82 | 16 |
| 2019 Q3 | 800 | $1K | -$1K | $1.25 | 1 |
| 2019 Q2 | 3.62M | $2.35M | +$1.99M | $0.65 | 12 |
| 2019 Q1 | 4.31M | $2.42M | +$56.4K | $0.54 | 12 |
| 2018 Q4 | 483K | $217K | +$26K | $0.45 | 13 |
| 2018 Q3 | 404K | $274K | +$9.45K | $0.68 | 13 |
| 2018 Q2 | 385K | $323K | +$47.2K | $0.84 | 11 |
| 2018 Q1 | 330K | $259K | -$405K | $0.79 | 11 |
| 2017 Q4 | 732K | $738K | -$485K | $1.01 | 14 |
| 2017 Q3 | 5.19M | $6.03M | +$86.5K | $1.16 | 15 |
| 2017 Q2 | 5M | $5M | -$29.5K | $1.00 | 12 |
| 2017 Q1 | 5.32M | $7.03M | +$593K | $1.31 | 10 |
| 2016 Q4 | 785K | $1.08M | +$539K | $1.38 | 11 |
| 2016 Q3 | 408K | $341K | -$662K | $0.84 | 10 |
| 2016 Q2 | 1.19M | $1.02M | +$142K | $0.85 | 7 |
| 2016 Q1 | 1.02M | $546K | -$3.19K | $0.55 | 4 |
| 2015 Q4 | 10K | $2K | -$69K | $0.20 | 2 |
| 2015 Q3 | 1.35M | $389K | -$650K | $0.30 | 8 |
| 2015 Q2 | 2.94M | $1.28M | -$811K | $0.43 | 12 |
| 2015 Q1 | 4.76M | $2.14M | -$306K | $0.45 | 12 |
| 2014 Q4 | 5.64M | $3.3M | -$217K | $0.59 | 16 |
| 2014 Q3 | 6.03M | $3.5M | +$2.89K | $0.58 | 18 |
| 2014 Q2 | 6.03M | $4.64M | -$105K | $0.77 | 17 |
| 2014 Q1 | 6.16M | $5.95M | +$39.2K | $0.97 | 18 |