XME 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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| Dakota Gold Corp | Dakota Gold Corp | 2026-03-31 | Added / first present |
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| Hycroft Mining Holding Corp | Hycroft Mining Holding Corp | 2026-03-31 | Added / first present |
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| Lightbridge Corp | Lightbridge Corp | 2025-12-31 | Added / first present |
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| Idaho Strategic Resources Inc | Idaho Strategic Resources Inc | 2025-12-31 | Added / first present |
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| American Battery Technology Co | American Battery Technology Co | 2025-12-31 | Added / first present |
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| United States Antimony Corp | United States Antimony Corp | 2025-09-30 | Added / first present |
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| Ur-Energy Inc | Ur-Energy Inc | 2025-09-30 | Added / first present |
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| Ramaco Resources Inc | Ramaco Resources Inc | 2025-09-30 | Added / first present |
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| USA Rare Earth Inc | USA Rare Earth Inc | 2025-09-30 | Added / first present |
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| Core Natural Resources Inc | Core Natural Resources Inc | 2025-03-31 | Added / first present |
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| Compass Minerals International Inc | Compass Minerals International Inc | 2024-12-31 | Added / first present |
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| Ivanhoe Electric Inc / US | Ivanhoe Electric Inc / US | 2024-09-30 | Added / first present |
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| Warrior Met Coal Inc | Warrior Met Coal Inc | 2024-06-30 | Added / first present |
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| Centrus Energy Corp | Centrus Energy Corp | 2024-06-30 | Added / first present |
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| Gatos Silver Inc | Gatos Silver Inc | 2024-06-30 | Added / first present |
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| McEwen Mining Inc | McEwen Mining Inc | 2024-06-30 | Added / first present |
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| Ramaco Resources Inc | Ramaco Resources Inc | 2023-12-31 | Added / first present |
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| Worthington Steel Inc | Worthington Steel Inc | 2023-12-31 | Added / first present |
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| Olympic Steel Inc | Olympic Steel Inc | 2023-03-31 | Added / first present |
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| 5E Advanced Materials Inc | 5E Advanced Materials Inc | 2022-09-30 | Added / first present |
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| Enviva Inc | Enviva Inc | 2022-06-30 | Added / first present |
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| Ryerson Holding Corp | Ryerson Holding Corp | 2022-03-31 | Added / first present |
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| Piedmont Lithium Inc | Piedmont Lithium Inc | 2022-03-31 | Added / first present |
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| Haynes International Inc | Haynes International Inc | 2021-12-31 | Added / first present |
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| Gatos Silver Inc | Gatos Silver Inc | 2021-12-31 | Added / first present |
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| Alpha Metallurgical Resources Inc | Alpha Metallurgical Resources Inc | 2021-09-30 | Added / first present |
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| Peabody Energy Corp | Peabody Energy Corp | 2021-06-30 | Added / first present |
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| CONSOL Energy Inc | CONSOL Energy Inc | 2021-06-30 | Added / first present |
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| TimkenSteel Corp | TimkenSteel Corp | 2021-06-30 | Added / first present |
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| McEwen Mining Inc | McEwen Mining Inc | 2021-06-30 | Added / first present |
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| MP Materials Corp | MP Materials Corp | 2021-06-30 | Added / first present |
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| State Street Global Advisors | State Street Global Advisors | 2021-03-31 | Added / first present |
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| SunCoke Energy Inc | SunCoke Energy Inc | 2021-03-31 | Added / first present |
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| Uranium Energy Corp | Uranium Energy Corp | 2021-03-31 | Added / first present |
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| Century Aluminum Co | Century Aluminum Co | 2020-09-30 | Added / first present |
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| Arconic Corp | Arconic Corp | 2020-06-30 | Added / first present |
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| Arch Resources Inc | Arch Resources Inc | 2020-06-30 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
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| Gatos Silver Inc | Gatos Silver Inc | 2025-03-31 | Removed / first absent |
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| Ramaco Resources Inc | Ramaco Resources Inc | 2025-03-31 | Removed / first absent |
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| Olympic Steel Inc | Olympic Steel Inc | 2025-06-30 | Removed / first absent |
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| 5E Advanced Materials Inc | 5E Advanced Materials Inc | 2023-03-31 | Removed / first absent |
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| Enviva Inc | Enviva Inc | 2023-06-30 | Removed / first absent |
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| Piedmont Lithium Inc | Piedmont Lithium Inc | 2024-03-31 | Removed / first absent |
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| Haynes International Inc | Haynes International Inc | 2024-12-31 | Removed / first absent |
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| Gatos Silver Inc | Gatos Silver Inc | 2022-03-31 | Removed / first absent |
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| CONSOL Energy Inc | CONSOL Energy Inc | 2025-03-31 | Removed / first absent |
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| McEwen Mining Inc | McEwen Mining Inc | 2022-03-31 | Removed / first absent |
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| Arconic Corp | Arconic Corp | 2023-09-30 | Removed / first absent |
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| Arch Resources Inc | Arch Resources Inc | 2025-03-31 | Removed / first absent |
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| State Street Global Advisors | State Street Global Advisors | 2020-12-31 | Removed / first absent |
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| Peabody Energy Corp | Peabody Energy Corp | 2020-06-30 | Removed / first absent |
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| State Street Global Advisors | State Street Global Advisors | 2024-09-30 | Removed / first absent |
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| Allegheny Technologies Inc | Allegheny Technologies Inc | 2025-06-30 | Removed / first absent |
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| Carpenter Technology Corp | Carpenter Technology Corp | 2025-09-30 | Removed / first absent |
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| United States Steel Corp | United States Steel Corp | 2025-06-30 | Removed / first absent |
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| Compass Minerals International | Compass Minerals International | 2024-09-30 | Removed / first absent |
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| Worthington Industries Inc | Worthington Industries Inc | 2023-12-31 | Removed / first absent |
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| Warrior Met Coal Inc | Warrior Met Coal Inc | 2021-09-30 | Removed / first absent |
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| Arch Coal Inc | Arch Coal Inc | 2020-06-30 | Removed / first absent |
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| CONSOL Energy Inc | CONSOL Energy Inc | 2020-06-30 | Removed / first absent |
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| Schnitzer Steel Industries Inc | Schnitzer Steel Industries Inc | 2025-09-30 | Removed / first absent |
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| SunCoke Energy Inc | SunCoke Energy Inc | 2020-06-30 | Removed / first absent |
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| Haynes International Inc | Haynes International Inc | 2020-06-30 | Removed / first absent |
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| AK Steel Holding Corp | AK Steel Holding Corp | 2020-03-31 | Removed / first absent |
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| McEwen Mining Inc | McEwen Mining Inc | 2020-06-30 | Removed / first absent |
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