IYM 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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| 1XABM26 | XAB MATERIALS JUN26 | 2026-04-30 | Added / first present |
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| SOLSTICE ADVANCED MATERIALS INC. | SOLSTICE ADVANCED MATERIALS INC. | 2026-01-31 | Added / first present |
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| 1XABH26 | XAB MATERIALS MAR26 | 2026-01-31 | Added / first present |
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| 1XABZ25 | XAB MATERIALS DEC25 | 2025-10-31 | Added / first present |
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| CARPENTER TECHNOLOGY CORPORATION | CARPENTER TECHNOLOGY CORPORATION | 2025-07-31 | Added / first present |
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| MUELLER INDUSTRIES, INC. | MUELLER INDUSTRIES, INC. | 2025-07-31 | Added / first present |
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| ANGLOGOLD ASHANTI PLC | ANGLOGOLD ASHANTI PLC | 2025-07-31 | Added / first present |
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| 1XABU25 | XAB MATERIALS SEP25 | 2025-07-31 | Added / first present |
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| 1XABM25 | XAB MATERIALS JUN25 | 2025-04-30 | Added / first present |
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| 1XABH25 | XAB MATERIALS MAR25 | 2025-01-31 | Added / first present |
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| 1XABZ24 | XAB MATERIALS DEC24 | 2024-10-31 | Added / first present |
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| 1XABU24 | XAB MATERIALS SEP24 | 2024-07-31 | Added / first present |
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| 1XABM24 | XAB MATERIALS JUN24 | 2024-04-30 | Added / first present |
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| IXDH4 | XAB MATERIALS MAR24 | 2024-01-31 | Added / first present |
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| RBC BEARINGS INCORPORATED | RBC BEARINGS INCORPORATED | 2023-07-31 | Added / first present |
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| IXDU3 | XAB MATERIALS SEP23 | 2023-07-31 | Added / first present |
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| LINDE PUBLIC LIMITED COMPANY | LINDE PUBLIC LIMITED COMPANY | 2023-04-30 | Added / first present |
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| IXDH3 | XAB MATERIALS MAR23 | 2023-01-31 | Added / first present |
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| IXDZ2 | XAB MATERIALS DEC22 | 2022-10-31 | Added / first present |
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| BlackRock Funds III: BlackRock Cash Funds: Institutional; SL Agency Shares | BlackRock Funds III: BlackRock Cash Funds: Institutional; SL Agency Shares | 2022-07-31 | Added / first present |
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| SSR MINING INC. | SSR MINING INC. | 2022-07-31 | Added / first present |
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| LINDE PUBLIC LIMITED COMPANY | LINDE PUBLIC LIMITED COMPANY | 2022-07-31 | Added / first present |
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| LyondellBasell Industries N.V. | LyondellBasell Industries N.V. | 2022-07-31 | Added / first present |
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| MP Materials Corp | MP Materials Corp | 2022-07-31 | Added / first present |
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| IXDU2 | XAB MATERIALS SEP22 | 2022-07-31 | Added / first present |
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| BlackRock Funds III | BlackRock Funds III | 2021-10-31 | Added / first present |
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| Fastenal Co | Fastenal Co | 2021-10-31 | Added / first present |
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| Avery Dennison Corp | Avery Dennison Corp | 2021-10-31 | Added / first present |
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| International Paper Co | International Paper Co | 2021-10-31 | Added / first present |
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| Hexcel Corp | Hexcel Corp | 2021-10-31 | Added / first present |
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| Olin Corp | Olin Corp | 2021-10-31 | Added / first present |
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| Southern Copper Corp | Southern Copper Corp | 2021-10-31 | Added / first present |
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| United States Steel Corp | United States Steel Corp | 2021-10-31 | Added / first present |
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| Cleveland-Cliffs Inc | Cleveland-Cliffs Inc | 2021-10-31 | Added / first present |
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| Timken Co/The | Timken Co/The | 2021-10-31 | Added / first present |
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| Univar Solutions Inc | Univar Solutions Inc | 2021-10-31 | Added / first present |
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| Sylvamo Corp | Sylvamo Corp | 2021-10-31 | Added / first present |
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| Avient Corp | Avient Corp | 2020-07-31 | Added / first present |
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| Arconic Corp | Arconic Corp | 2020-04-30 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
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| 1XABH26 | XAB MATERIALS MAR26 | 2026-04-30 | Removed / first absent |
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| 1XABZ25 | XAB MATERIALS DEC25 | 2026-01-31 | Removed / first absent |
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| 1XABU25 | XAB MATERIALS SEP25 | 2025-10-31 | Removed / first absent |
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| 1XABM25 | XAB MATERIALS JUN25 | 2025-07-31 | Removed / first absent |
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| 1XABH25 | XAB MATERIALS MAR25 | 2025-04-30 | Removed / first absent |
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| 1XABZ24 | XAB MATERIALS DEC24 | 2025-01-31 | Removed / first absent |
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| 1XABU24 | XAB MATERIALS SEP24 | 2024-10-31 | Removed / first absent |
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| 1XABM24 | XAB MATERIALS JUN24 | 2024-07-31 | Removed / first absent |
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| IXDH4 | XAB MATERIALS MAR24 | 2024-04-30 | Removed / first absent |
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| IXDU3 | XAB MATERIALS SEP23 | 2024-01-31 | Removed / first absent |
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| IXDH3 | XAB MATERIALS MAR23 | 2023-07-31 | Removed / first absent |
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| IXDZ2 | XAB MATERIALS DEC22 | 2023-01-31 | Removed / first absent |
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| SSR MINING INC. | SSR MINING INC. | 2024-07-31 | Removed / first absent |
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| LINDE PUBLIC LIMITED COMPANY | LINDE PUBLIC LIMITED COMPANY | 2023-04-30 | Removed / first absent |
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| IXDU2 | XAB MATERIALS SEP22 | 2022-10-31 | Removed / first absent |
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| BlackRock Funds III | BlackRock Funds III | 2022-01-31 | Removed / first absent |
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| United States Steel Corp | United States Steel Corp | 2025-07-31 | Removed / first absent |
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| Univar Solutions Inc | Univar Solutions Inc | 2023-10-31 | Removed / first absent |
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| Sylvamo Corp | Sylvamo Corp | 2022-07-31 | Removed / first absent |
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| Avient Corp | Avient Corp | 2020-10-31 | Removed / first absent |
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| Arconic Corp | Arconic Corp | 2020-10-31 | Removed / first absent |
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| Chicago Mercantile Exchange | Chicago Mercantile Exchange | 2022-07-31 | Removed / first absent |
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| BlackRock Funds III | BlackRock Funds III | 2021-04-30 | Removed / first absent |
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| Chemours Co/The | Chemours Co/The | 2025-07-31 | Removed / first absent |
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| DuPont de Nemours Inc | DuPont de Nemours Inc | 2021-10-31 | Removed / first absent |
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| DOW INC W/I | DOW INC W/I | 2024-07-31 | Removed / first absent |
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| Corteva Inc | Corteva Inc | 2021-10-31 | Removed / first absent |
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| PPG Industries Inc | PPG Industries Inc | 2021-10-31 | Removed / first absent |
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| Peabody Energy Corp | Peabody Energy Corp | 2020-10-31 | Removed / first absent |
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| RPM International Inc | RPM International Inc | 2021-10-31 | Removed / first absent |
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| Olin Corp | Olin Corp | 2020-10-31 | Removed / first absent |
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| WR Grace & Co | WR Grace & Co | 2021-10-31 | Removed / first absent |
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| Ingevity Corp | Ingevity Corp | 2021-10-31 | Removed / first absent |
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| Sensient Technologies Corp | Sensient Technologies Corp | 2020-10-31 | Removed / first absent |
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| HB Fuller Co | HB Fuller Co | 2020-10-31 | Removed / first absent |
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| PolyOne Corp | PolyOne Corp | 2020-07-31 | Removed / first absent |
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| Allegheny Technologies Inc | Allegheny Technologies Inc | 2020-10-31 | Removed / first absent |
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| Carpenter Technology Corp | Carpenter Technology Corp | 2020-10-31 | Removed / first absent |
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| Commercial Metals Co | Commercial Metals Co | 2021-10-31 | Removed / first absent |
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| United States Steel Corp | United States Steel Corp | 2020-10-31 | Removed / first absent |
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| Worthington Industries Inc | Worthington Industries Inc | 2020-10-31 | Removed / first absent |
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| Cabot Corp | Cabot Corp | 2020-10-31 | Removed / first absent |
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| Domtar Corp | Domtar Corp | 2020-10-31 | Removed / first absent |
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| Valvoline Inc | Valvoline Inc | 2024-10-31 | Removed / first absent |
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