YQQQ 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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| TREASURY BILL | TREASURY BILL | 2026-04-30 | Added / first present |
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| QQQ 6 P600 | N/A | 2026-04-30 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2026-01-31 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2026-01-31 | Added / first present |
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| QQQ 1 P612 | N/A | 2026-01-31 | Added / first present |
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| QQQ 3 P625 | N/A | 2026-01-31 | Added / first present |
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| QQQ 3 C790 | N/A | 2026-01-31 | Added / first present |
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| QQQ 1 P586 | N/A | 2026-01-31 | Added / first present |
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| QQQ 1 P597 | N/A | 2026-01-31 | Added / first present |
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| QQQ 1 P610 | N/A | 2026-01-31 | Added / first present |
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| QQQ 2 P612 | N/A | 2026-01-31 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2025-10-31 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2025-10-31 | Added / first present |
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| QQQ 11 P605 | N/A | 2025-10-31 | Added / first present |
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| QQQ 11 C750 | N/A | 2025-10-31 | Added / first present |
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| QQQ 10 P613 | N/A | 2025-10-31 | Added / first present |
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| QQQ 10 P623 | N/A | 2025-10-31 | Added / first present |
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| QQQ 11 P615 | N/A | 2025-10-31 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2025-07-31 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2025-07-31 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2025-07-31 | Added / first present |
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| QQQ 9 P550 | N/A | 2025-07-31 | Added / first present |
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| QQQ 9 C720 | N/A | 2025-07-31 | Added / first present |
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| QQQ 8 P555 | N/A | 2025-07-31 | Added / first present |
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| QQQ 8 P550 | N/A | 2025-07-31 | Added / first present |
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| QQQ 8 P554 | N/A | 2025-07-31 | Added / first present |
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| QQQ 8 P561 | N/A | 2025-07-31 | Added / first present |
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| US TREASURY N/B | US TREASURY N/B | 2025-04-30 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2025-04-30 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-04-30 | Added / first present |
|---|
| QQQ 5 P475 | N/A | 2025-04-30 | Added / first present |
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| QQQ 5 C615 | N/A | 2025-04-30 | Added / first present |
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| QQQ 5 P444 | N/A | 2025-04-30 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
|---|
| QQQ 1 P612 | N/A | 2026-04-30 | Removed / first absent |
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| QQQ 3 P625 | N/A | 2026-04-30 | Removed / first absent |
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| QQQ 3 C790 | N/A | 2026-04-30 | Removed / first absent |
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| QQQ 1 P586 | N/A | 2026-04-30 | Removed / first absent |
|---|
| QQQ 1 P597 | N/A | 2026-04-30 | Removed / first absent |
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| QQQ 1 P610 | N/A | 2026-04-30 | Removed / first absent |
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| QQQ 2 P612 | N/A | 2026-04-30 | Removed / first absent |
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| TREASURY BILL | TREASURY BILL | 2026-04-30 | Removed / first absent |
|---|
| QQQ 11 P605 | N/A | 2026-01-31 | Removed / first absent |
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| QQQ 11 C750 | N/A | 2026-01-31 | Removed / first absent |
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| QQQ 10 P613 | N/A | 2026-01-31 | Removed / first absent |
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| QQQ 10 P623 | N/A | 2026-01-31 | Removed / first absent |
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| QQQ 11 P615 | N/A | 2026-01-31 | Removed / first absent |
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| TREASURY BILL | TREASURY BILL | 2026-04-30 | Removed / first absent |
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| TREASURY BILL | TREASURY BILL | 2026-01-31 | Removed / first absent |
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| QQQ 9 P550 | N/A | 2025-10-31 | Removed / first absent |
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| QQQ 9 C720 | N/A | 2025-10-31 | Removed / first absent |
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| QQQ 8 P555 | N/A | 2025-10-31 | Removed / first absent |
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| QQQ 8 P550 | N/A | 2025-10-31 | Removed / first absent |
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| QQQ 8 P554 | N/A | 2025-10-31 | Removed / first absent |
|---|
| QQQ 8 P561 | N/A | 2025-10-31 | Removed / first absent |
|---|
| US TREASURY N/B | US TREASURY N/B | 2025-10-31 | Removed / first absent |
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| TREASURY BILL | TREASURY BILL | 2025-07-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-10-31 | Removed / first absent |
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| QQQ 5 P475 | N/A | 2025-07-31 | Removed / first absent |
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| QQQ 5 C615 | N/A | 2025-07-31 | Removed / first absent |
|---|
| QQQ 5 P444 | N/A | 2025-07-31 | Removed / first absent |
|---|
| US TREASURY N/B | US TREASURY N/B | 2025-04-30 | Removed / first absent |
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| US TREASURY N/B | US TREASURY N/B | 2025-07-31 | Removed / first absent |
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| US TREASURY N/B | US TREASURY N/B | 2026-01-31 | Removed / first absent |
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| TREASURY BILL | TREASURY BILL | 2025-07-31 | Removed / first absent |
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| TREASURY BILL | TREASURY BILL | 2025-04-30 | Removed / first absent |
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| TREASURY BILL | TREASURY BILL | 2025-04-30 | Removed / first absent |
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| QQQ 3 P520 | N/A | 2025-04-30 | Removed / first absent |
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| QQQ 3 C675 | N/A | 2025-04-30 | Removed / first absent |
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| QQQ 1 P518 | N/A | 2025-04-30 | Removed / first absent |
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