FUTY 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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| Hallador Energy Co | Hallador Energy Co | 2026-01-31 | Added / first present |
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| MDU Resources Group Inc | MDU Resources Group Inc | 2025-01-31 | Added / first present |
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| Talen Energy Corp | Talen Energy Corp | 2025-01-31 | Added / first present |
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| Oklo Inc | Oklo Inc | 2024-10-31 | Added / first present |
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| Genie Energy Ltd | Genie Energy Ltd | 2024-01-31 | Added / first present |
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| Artesian Resources Corp | Artesian Resources Corp | 2023-01-31 | Added / first present |
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| Montauk Renewables Inc | Montauk Renewables Inc | 2022-07-31 | Added / first present |
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| Altus Power Inc | Altus Power Inc | 2022-07-31 | Added / first present |
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| Constellation Energy Corp | Constellation Energy Corp | 2022-04-30 | Added / first present |
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| Northwest Natural Holding Co | Northwest Natural Holding Co | 2021-07-31 | Added / first present |
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| PG&E Corp | PG&E Corp | 2020-10-31 | Added / first present |
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| Cadiz Inc | Cadiz Inc | 2020-07-31 | Added / first present |
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| Sunnova Energy International Inc | Sunnova Energy International Inc | 2020-07-31 | Added / first present |
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| Essential Utilities Inc | Essential Utilities Inc | 2020-04-30 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
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| Genie Energy Ltd | Genie Energy Ltd | 2025-04-30 | Removed / first absent |
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| Artesian Resources Corp | Artesian Resources Corp | 2024-07-31 | Removed / first absent |
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| Montauk Renewables Inc | Montauk Renewables Inc | 2025-07-31 | Removed / first absent |
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| Altus Power Inc | Altus Power Inc | 2025-04-30 | Removed / first absent |
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| Cadiz Inc | Cadiz Inc | 2022-01-31 | Removed / first absent |
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| Sunnova Energy International Inc | Sunnova Energy International Inc | 2025-04-30 | Removed / first absent |
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| Aqua America Inc | Aqua America Inc | 2020-04-30 | Removed / first absent |
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| MDU Resources Group Inc | MDU Resources Group Inc | 2022-04-30 | Removed / first absent |
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| York Water Co/The | York Water Co/The | 2025-10-31 | Removed / first absent |
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| Pattern Energy Group Inc | Pattern Energy Group Inc | 2020-04-30 | Removed / first absent |
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| ALLETE Inc | ALLETE Inc | 2026-01-31 | Removed / first absent |
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| TerraForm Power Inc | TerraForm Power Inc | 2020-07-31 | Removed / first absent |
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| South Jersey Industries Inc | South Jersey Industries Inc | 2023-04-30 | Removed / first absent |
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| El Paso Electric Co | El Paso Electric Co | 2020-07-31 | Removed / first absent |
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| Northwest Natural Holding Co | Northwest Natural Holding Co | 2021-07-31 | Removed / first absent |
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| Star Group LP | Star Group LP | 2024-07-31 | Removed / first absent |
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