UPW 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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| United States of America | United States of America | 2025-05-31 | Added / first present |
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| United States of America | United States of America | 2025-05-31 | Added / first present |
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| United States of America | United States of America | 2025-02-28 | Added / first present |
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| United States of America | United States of America | 2025-02-28 | Added / first present |
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| United States of America | United States of America | 2025-02-28 | Added / first present |
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| United States of America | United States of America | 2025-02-28 | Added / first present |
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| United States of America | United States of America | 2024-11-30 | Added / first present |
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| United States of America | United States of America | 2024-11-30 | Added / first present |
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| Vistra Corp. | Vistra Corp. | 2024-05-31 | Added / first present |
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| Constellation Energy Corp. | Constellation Energy Corp. | 2022-02-28 | Added / first present |
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| Clearway Energy, Inc. | Clearway Energy, Inc. | 2021-11-30 | Added / first present |
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| Clearway Energy, Inc. | Clearway Energy, Inc. | 2021-11-30 | Added / first present |
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| PG&E Corp. | PG&E Corp. | 2020-11-30 | Added / first present |
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| Essential Utilities, Inc. | Essential Utilities, Inc. | 2020-02-29 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
|---|
| United States of America | United States of America | 2025-08-31 | Removed / first absent |
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| United States of America | United States of America | 2025-08-31 | Removed / first absent |
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| United States of America | United States of America | 2025-05-31 | Removed / first absent |
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| United States of America | United States of America | 2025-05-31 | Removed / first absent |
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| United States of America | United States of America | 2025-05-31 | Removed / first absent |
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| United States of America | United States of America | 2025-08-31 | Removed / first absent |
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| United States of America | United States of America | 2025-02-28 | Removed / first absent |
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| United States of America | United States of America | 2025-02-28 | Removed / first absent |
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| Clearway Energy, Inc. | Clearway Energy, Inc. | 2023-05-31 | Removed / first absent |
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| Clearway Energy, Inc. | Clearway Energy, Inc. | 2023-05-31 | Removed / first absent |
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| Essential Utilities, Inc. | Essential Utilities, Inc. | 2023-05-31 | Removed / first absent |
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| UGI Corp. | UGI Corp. | 2023-05-31 | Removed / first absent |
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| Vistra Energy Corp. | Vistra Energy Corp. | 2023-05-31 | Removed / first absent |
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| Aqua America, Inc. | Aqua America, Inc. | 2020-02-29 | Removed / first absent |
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| IDACORP, Inc. | IDACORP, Inc. | 2023-05-31 | Removed / first absent |
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| MDU Resources Group, Inc. | MDU Resources Group, Inc. | 2022-05-31 | Removed / first absent |
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| Hawaiian Electric Industries, Inc. | Hawaiian Electric Industries, Inc. | 2023-05-31 | Removed / first absent |
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| National Fuel Gas Co. | National Fuel Gas Co. | 2023-05-31 | Removed / first absent |
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| Avangrid, Inc. | Avangrid, Inc. | 2023-05-31 | Removed / first absent |
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| ALLETE, Inc. | ALLETE, Inc. | 2023-05-31 | Removed / first absent |
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| New Jersey Resources Corp. | New Jersey Resources Corp. | 2023-05-31 | Removed / first absent |
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| Portland General Electric Co. | Portland General Electric Co. | 2023-05-31 | Removed / first absent |
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| South Jersey Industries, Inc. | South Jersey Industries, Inc. | 2020-11-30 | Removed / first absent |
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| El Paso Electric Co. | El Paso Electric Co. | 2020-08-31 | Removed / first absent |
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| NorthWestern Corp. | NorthWestern Corp. | 2023-05-31 | Removed / first absent |
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| Spire, Inc. | Spire, Inc. | 2023-05-31 | Removed / first absent |
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| Black Hills Corp. | Black Hills Corp. | 2023-05-31 | Removed / first absent |
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| Southwest Gas Holdings, Inc. | Southwest Gas Holdings, Inc. | 2023-05-31 | Removed / first absent |
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| Avista Corp. | Avista Corp. | 2023-05-31 | Removed / first absent |
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| PNM Resources, Inc. | PNM Resources, Inc. | 2023-05-31 | Removed / first absent |
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| ONE Gas, Inc. | ONE Gas, Inc. | 2023-05-31 | Removed / first absent |
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