COPJ 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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| Los Andes Copper Ltd | Los Andes Copper Ltd | 2025-12-31 | Added / first present |
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| Atex Resources Inc | Atex Resources Inc | 2025-12-31 | Added / first present |
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| King Copper Discovery Corp | King Copper Discovery Corp | 2025-12-31 | Added / first present |
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| Amarc Resources Ltd | Amarc Resources Ltd | 2025-12-31 | Added / first present |
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| Gunnison Copper Corp | Gunnison Copper Corp | 2025-12-31 | Added / first present |
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| Gladiator Metals Corp | Gladiator Metals Corp | 2025-12-31 | Added / first present |
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| Kodiak Copper Corp | Kodiak Copper Corp | 2025-12-31 | Added / first present |
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| Sterling Metals Corp | Sterling Metals Corp | 2025-12-31 | Added / first present |
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| State Street Institutional Treasury Plus Money Market Fund | State Street Institutional Treasury Plus Money Market Fund | 2025-09-30 | Added / first present |
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| Hercules Metals Corp | Hercules Metals Corp | 2025-06-30 | Added / first present |
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| Osisko Metals Inc | Osisko Metals Inc | 2025-06-30 | Added / first present |
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| Blue Moon Metals Inc | Blue Moon Metals Inc | 2025-06-30 | Added / first present |
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| Fitzroy Minerals Inc | Fitzroy Minerals Inc | 2025-06-30 | Added / first present |
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| State Street Institutional Treasury Plus Money Market Fund | State Street Institutional Treasury Plus Money Market Fund | 2024-12-31 | Added / first present |
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| Aldebaran Resources Inc | Aldebaran Resources Inc | 2024-12-31 | Added / first present |
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| Midnight Sun Mining Corp | Midnight Sun Mining Corp | 2024-12-31 | Added / first present |
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| Koryx Copper Inc | Koryx Copper Inc | 2024-12-31 | Added / first present |
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| Sierra Metals Inc | Sierra Metals Inc | 2024-06-30 | Added / first present |
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| Imperial Metals Corp | Imperial Metals Corp | 2024-06-30 | Added / first present |
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| Marimaca Copper Corp | Marimaca Copper Corp | 2024-06-30 | Added / first present |
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| Regulus Resources Inc | Regulus Resources Inc | 2024-06-30 | Added / first present |
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| Faraday Copper Corp | Faraday Copper Corp | 2024-06-30 | Added / first present |
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| Copper Fox Metals Inc | Copper Fox Metals Inc | 2024-06-30 | Added / first present |
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| Asiamet Resources Ltd | Asiamet Resources Ltd | 2024-06-30 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
|---|
| State Street Institutional Treasury Plus Money Market Fund | State Street Institutional Treasury Plus Money Market Fund | 2025-06-30 | Removed / first absent |
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| Sierra Metals Inc | Sierra Metals Inc | 2025-06-30 | Removed / first absent |
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| Copper Fox Metals Inc | Copper Fox Metals Inc | 2025-06-30 | Removed / first absent |
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| Asiamet Resources Ltd | Asiamet Resources Ltd | 2025-03-31 | Removed / first absent |
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| Ishares Msci India Etf | Ishares Msci India Etf | 2024-06-30 | Removed / first absent |
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| Cia De Minas Buenaventura Saa | Cia De Minas Buenaventura Saa | 2024-06-30 | Removed / first absent |
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| Hudbay Minerals Inc | Hudbay Minerals Inc | 2024-06-30 | Removed / first absent |
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| Northern Dynasty Minerals Ltd | Northern Dynasty Minerals Ltd | 2025-06-30 | Removed / first absent |
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| State Street Institutional Treasury Plus Money Market Fund | State Street Institutional Treasury Plus Money Market Fund | 2024-09-30 | Removed / first absent |
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| China Gold International Resources Corp Ltd | China Gold International Resources Corp Ltd | 2024-06-30 | Removed / first absent |
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| Foran Mining Corp | Foran Mining Corp | 2024-12-31 | Removed / first absent |
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| Capstone Copper Corp | Capstone Copper Corp | 2024-06-30 | Removed / first absent |
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| Ngex Minerals Ltd | Ngex Minerals Ltd | 2025-12-31 | Removed / first absent |
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| Filo Corp | Filo Corp | 2024-09-30 | Removed / first absent |
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| Metals Acquisition Ltd | Metals Acquisition Ltd | 2025-09-30 | Removed / first absent |
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| Los Andes Copper Ltd | Los Andes Copper Ltd | 2024-12-31 | Removed / first absent |
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| Entree Resources Ltd | Entree Resources Ltd | 2025-12-31 | Removed / first absent |
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