| Kopernik Global Investors, LLC | 2,572,186 | $104,302,142 | 12.11% |
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| DUDLEY & SHANLEY, INC. | 1,448,120 | $58,721,266 | 11.10% |
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| Moerus Capital Management LLC | 797,854 | $32,352,980 | 10.68% |
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| MAD RIVER INVESTORS | 189,971 | $7,703,341 | 5.45% |
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| SPROTT INC. | 799,533 | $37,398,648 | 3.37% |
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| Euro Pacific Asset Management, LLC | 330,489 | $13,400 | 3.14% |
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| Natixis Investment Managers International | 819,890 | $33,246,539 | 2.57% |
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| HORIZON KINETICS ASSET MANAGEMENT LLC | 3,170,058 | $128,545,863 | 2.55% |
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| First Eagle Investment Management, LLC | 20,998,263 | $851,479,717 | 2.20% |
|---|
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 4,534,828 | $183,887 | 2.08% |
|---|
| Canoe Financial LP | 1,788,471 | $72,579,022 | 2.03% |
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| Knoll Capital Management, LLC | 47,500 | $1,926,125 | 2.00% |
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| Marketfield Asset Management LLC | 54,688 | $2,217,598 | 1.88% |
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| BEDDOW CAPITAL MANAGEMENT INC | 93,388 | $3,787 | 1.85% |
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| Stack Financial Management, Inc | 374,816 | $15,198,789 | 1.77% |
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| VAN ECK ASSOCIATES CORP | 18,665,034 | $756,880 | 1.66% |
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| GUARDIAN CAPITAL LP | 1,077,936 | $43,946,623 | 1.64% |
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| PRING TURNER CAPITAL GROUP INC | 47,393 | $1,921,786 | 1.61% |
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| Robinson Value Management, Ltd. | 49,729 | $2,016,511 | 1.50% |
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| EagleClaw Capital Managment, LLC | 159,617 | $6,472,469 | 1.47% |
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