QQQH 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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| NDX 4 P23600 | N/A | 2026-03-31 | Added / first present |
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| NDX 4 C25600 | N/A | 2026-03-31 | Added / first present |
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| NDX 4 P22000 | N/A | 2026-03-31 | Added / first present |
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| WMT | Walmart Inc | 2026-03-31 | Added / first present |
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| NDX 1 P24100 | N/A | 2025-12-31 | Added / first present |
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| NDX 1 P22500 | N/A | 2025-12-31 | Added / first present |
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| NDX 1 C26100 | N/A | 2025-12-31 | Added / first present |
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| ALNY | Alnylam Pharmaceuticals Inc | 2025-12-31 | Added / first present |
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| FER | Ferrovial SE | 2025-12-31 | Added / first present |
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| INSM | Insmed Inc | 2025-12-31 | Added / first present |
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| MPWR | Monolithic Power Systems Inc | 2025-12-31 | Added / first present |
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| STX | Seagate Technology Holdings PL | 2025-12-31 | Added / first present |
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| WDC | Western Digital Corp | 2025-12-31 | Added / first present |
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| NDX 12 P24600 | N/A | 2025-11-30 | Added / first present |
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| NDX 12 P23025 | N/A | 2025-11-30 | Added / first present |
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| NDX 12 C26600 | N/A | 2025-11-30 | Added / first present |
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| SOLS | Solstice Advanced Materials In | 2025-11-30 | Added / first present |
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| NDX 9 P22125 | N/A | 2025-08-31 | Added / first present |
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| NDX 9 P20725 | N/A | 2025-08-31 | Added / first present |
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| NDX 9 C23800 | N/A | 2025-08-31 | Added / first present |
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| TRI | Thomson Reuters Corp | 2025-08-31 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
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| NDX 1 P24100 | N/A | 2026-03-31 | Removed / first absent |
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| NDX 1 P22500 | N/A | 2026-03-31 | Removed / first absent |
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| NDX 1 C26100 | N/A | 2026-03-31 | Removed / first absent |
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| NDX 12 P24600 | N/A | 2025-12-31 | Removed / first absent |
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| NDX 12 P23025 | N/A | 2025-12-31 | Removed / first absent |
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| NDX 12 C26600 | N/A | 2025-12-31 | Removed / first absent |
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| NDX 9 P22125 | N/A | 2025-11-30 | Removed / first absent |
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| NDX 9 P20725 | N/A | 2025-11-30 | Removed / first absent |
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| NDX 9 C23800 | N/A | 2025-11-30 | Removed / first absent |
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| ANSS | ANSYS Inc | 2025-08-31 | Removed / first absent |
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| NDX 6 P18400 | N/A | 2025-08-31 | Removed / first absent |
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| NDX 6 P17250 | N/A | 2025-08-31 | Removed / first absent |
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| NDX 6 C20025 | N/A | 2025-08-31 | Removed / first absent |
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| AZN | AstraZeneca PLC | 2026-03-31 | Removed / first absent |
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| BIIB | Biogen Inc | 2025-12-31 | Removed / first absent |
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| CDW | CDW Corp/DE | 2025-12-31 | Removed / first absent |
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| GFS | GLOBALFOUNDRIES Inc | 2025-12-31 | Removed / first absent |
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| LULU | Lululemon Athletica Inc | 2025-12-31 | Removed / first absent |
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| ON | ON Semiconductor Corp | 2025-12-31 | Removed / first absent |
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| TTD | Trade Desk Inc/The | 2025-12-31 | Removed / first absent |
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