| SEGRA CAPITAL MANAGEMENT, LLC | 11,429,008 | $53,830,628 | 31.38% |
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| Lloyd Harbor Capital Management, LLC | 6,381,917 | $30,058,829 | 15.68% |
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| L1 Capital Pty Ltd | 16,621,563 | $103,884,769 | 12.50% |
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| Azarias Capital Management, L.P. | 2,535,573 | $11,942,549 | 9.98% |
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| Old West Investment Management, LLC | 3,773,618 | $17,773,740 | 9.30% |
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| Alpha Wave Global, LP | 2,981,821 | $14,044,377 | 9.20% |
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| TANAKA CAPITAL MANAGEMENT INC | 555,729 | $2,617 | 7.08% |
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| Mountain Lake Investment Management LLC | 1,633,000 | $7,691,430 | 4.80% |
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| Praetorian PR LLC | 1,105,000 | $5,204,550 | 3.19% |
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| MMCAP International Inc. SPC | 1,830,785 | $8,622,997 | 2.84% |
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| Clear Sky Advisers, LLC | 1,475,000 | $6,947,250 | 2.22% |
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| Tejara Capital Ltd | 933,794 | $4,404,441 | 2.17% |
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| Goehring & Rozencwajg Associates, LLC | 1,076,877 | $5,072,091 | 1.46% |
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| Raffles Associates | 225,000 | $1,059,750 | 1.42% |
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| Mountaineer Partners Management, LLC | 492,931 | $2,321,705 | 1.28% |
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| DUDLEY & SHANLEY, INC. | 1,235,500 | $5,836,193 | 1.05% |
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| Lingotto Investment Management LLP | 2,958,763 | $13,965,361 | 0.90% |
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| TITAN GLOBAL CAPITAL MANAGEMENT USA LLC | 1,340,542 | $6,313,952 | 0.76% |
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| Manatuck Hill Partners, LLC | 200,000 | $1,250,000 | 0.59% |
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| PCJ Investment Counsel Ltd. | 254,190 | $1,199,047 | 0.51% |
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