COPX additions & removals
Changes are observation-bounded: an addition is the first retained official snapshot containing a security after an earlier absence; a removal is its first retained absence. Baseline holdings receive no invented addition date.
Additions
| Ticker | Issuer | Observed date | Change |
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| Ivanhoe Electric Inc | Ivanhoe Electric Inc | 2026-01-31 | Added / first present |
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| Collective Mining Ltd | Collective Mining Ltd | 2026-01-31 | Added / first present |
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| Wanguo Gold Group Ltd | Wanguo Gold Group Ltd | 2026-01-31 | Added / first present |
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| NGEx Minerals Ltd | NGEx Minerals Ltd | 2025-10-31 | Added / first present |
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| N/A | N/A | 2025-10-31 | Added / first present |
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| Luca Mining Corp | Luca Mining Corp | 2025-07-31 | Added / first present |
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| Northern Dynasty Minerals Ltd. | Northern Dynasty Minerals Ltd. | 2025-04-30 | Added / first present |
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| METALS ACQUISITION LIMITED | METALS ACQUISITION LIMITED | 2024-07-31 | Added / first present |
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| BNYREPOS | BNY | 2024-07-31 | Added / first present |
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| KGHM POLSKA MIEDZ SPOLKA AKCYJNA | KGHM POLSKA MIEDZ SPOLKA AKCYJNA | 2024-04-30 | Added / first present |
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| Filo Corp | Filo Corp | 2023-07-31 | Added / first present |
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| Foran Mining Corp | Foran Mining Corp | 2023-04-30 | Added / first present |
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| NGEx Minerals Ltd | NGEx Minerals Ltd | 2023-04-30 | Added / first present |
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| Nexa Resources S.A. | Nexa Resources S.A. | 2023-01-31 | Added / first present |
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| CAPSTONE COPPER CORP | CAPSTONE COPPER CORP | 2022-04-30 | Added / first present |
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| Filo Mining Corp | Filo Mining Corp | 2022-04-30 | Added / first present |
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| GLENCORE PLC | GLENCORE PLC | 2022-01-31 | Added / first present |
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| Solaris Resources Inc | Solaris Resources Inc | 2021-10-31 | Added / first present |
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| REPO | BNP Paribas Securities Corp Repo | 2021-10-31 | Added / first present |
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| COPPER MOUNTAIN MINING CORPORATION | COPPER MOUNTAIN MINING CORPORATION | 2021-04-30 | Added / first present |
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| Sierra Metals Inc. | Sierra Metals Inc. | 2021-04-30 | Added / first present |
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| Fidelity Money Market Government Portfolio | Fidelity Money Market Government Portfolio | 2021-01-31 | Added / first present |
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| CAPSTONE MINING CORP. | CAPSTONE MINING CORP. | 2020-10-31 | Added / first present |
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| CHINA GOLD INTERNATIONAL RESOURCES CORP. LTD. | CHINA GOLD INTERNATIONAL RESOURCES CORP. LTD. | 2020-10-31 | Added / first present |
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| TURQUOISE HILL RESOURCES LTD. | TURQUOISE HILL RESOURCES LTD. | 2020-10-31 | Added / first present |
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| Taseko Mines Limited | Taseko Mines Limited | 2020-10-31 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
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| METALS ACQUISITION LIMITED | METALS ACQUISITION LIMITED | 2025-10-31 | Removed / first absent |
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| Filo Corp | Filo Corp | 2025-01-31 | Removed / first absent |
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| Foran Mining Corp | Foran Mining Corp | 2026-04-30 | Removed / first absent |
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| NGEx Minerals Ltd | NGEx Minerals Ltd | 2025-10-31 | Removed / first absent |
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| Nexa Resources S.A. | Nexa Resources S.A. | 2024-01-31 | Removed / first absent |
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| Filo Mining Corp | Filo Mining Corp | 2023-07-31 | Removed / first absent |
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| REPO | BNP Paribas Securities Corp Repo | 2022-10-31 | Removed / first absent |
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| COPPER MOUNTAIN MINING CORPORATION | COPPER MOUNTAIN MINING CORPORATION | 2023-07-31 | Removed / first absent |
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| Sierra Metals Inc. | Sierra Metals Inc. | 2022-04-30 | Removed / first absent |
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| Fidelity Money Market Government Portfolio | Fidelity Money Market Government Portfolio | 2023-07-31 | Removed / first absent |
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| CAPSTONE MINING CORP. | CAPSTONE MINING CORP. | 2022-04-30 | Removed / first absent |
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| TURQUOISE HILL RESOURCES LTD. | TURQUOISE HILL RESOURCES LTD. | 2023-01-31 | Removed / first absent |
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| VEDANTA LIMITED | VEDANTA LIMITED | 2022-01-31 | Removed / first absent |
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| TURQUOISE HILL RESOURCES LTD. | TURQUOISE HILL RESOURCES LTD. | 2020-10-31 | Removed / first absent |
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| ALTIUS MINERALS CORPORATION | ALTIUS MINERALS CORPORATION | 2025-10-31 | Removed / first absent |
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| Northern Dynasty Minerals Ltd. | Northern Dynasty Minerals Ltd. | 2023-07-31 | Removed / first absent |
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| CAPSTONE MINING CORP. | CAPSTONE MINING CORP. | 2020-01-31 | Removed / first absent |
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