XOMO 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 |
|---|
| TREASURY BILL | TREASURY BILL | 2026-04-30 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2026-01-31 | Added / first present |
|---|
| XOM 3 C120 | N/A | 2026-01-31 | Added / first present |
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| XOM 1 C137 | N/A | 2026-01-31 | Added / first present |
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| XOM 1 C136 | N/A | 2026-01-31 | Added / first present |
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| XOM 1 C138 | N/A | 2026-01-31 | Added / first present |
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| XOM 1 C134 | N/A | 2026-01-31 | Added / first present |
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| XOM 1 C135 | N/A | 2026-01-31 | Added / first present |
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| TREASURY BILL | TREASURY BILL | 2025-10-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-10-31 | Added / first present |
|---|
| XOM 12 C115 | N/A | 2025-10-31 | Added / first present |
|---|
| XOM 10 C119 | N/A | 2025-10-31 | Added / first present |
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| XOM 10 C120 | N/A | 2025-10-31 | Added / first present |
|---|
| XOM 10 C118 | N/A | 2025-10-31 | Added / first present |
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| XOM 10 C117 | N/A | 2025-10-31 | Added / first present |
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| XOM 8 C105 | N/A | 2025-07-31 | Added / first present |
|---|
| XOM 8 C115 | N/A | 2025-07-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-07-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-07-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-07-31 | Added / first present |
|---|
| XOM 8 C114 | N/A | 2025-07-31 | Added / first present |
|---|
| XOM 8 C113 | N/A | 2025-07-31 | Added / first present |
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| XOM 8 C112 | N/A | 2025-07-31 | Added / first present |
|---|
| US TREASURY N/B | US TREASURY N/B | 2025-04-30 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-04-30 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-04-30 | Added / first present |
|---|
| XOM 5 C110 | N/A | 2025-04-30 | Added / first present |
|---|
| XOM 5 C100 | N/A | 2025-04-30 | Added / first present |
|---|
| XOM 5 C117 | N/A | 2025-04-30 | Added / first present |
|---|
| XOM 5 C114 | N/A | 2025-04-30 | Added / first present |
|---|
| XOM 5 C111 | N/A | 2025-04-30 | Added / first present |
|---|
| XOM 2 C105 | N/A | 2025-01-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-01-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-01-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-01-31 | Added / first present |
|---|
| XOM 1 C115 | N/A | 2025-01-31 | Added / first present |
|---|
| XOM 1 C112 | N/A | 2025-01-31 | Added / first present |
|---|
| XOM 11 C125 | N/A | 2024-10-31 | Added / first present |
|---|
| XOM 11 C115 | N/A | 2024-10-31 | Added / first present |
|---|
| XOM 11 C124 | N/A | 2024-10-31 | Added / first present |
|---|
| XOM 11 C121 | N/A | 2024-10-31 | Added / first present |
|---|
| US TREASURY N/B | US TREASURY N/B | 2024-07-31 | Added / first present |
|---|
| US TREASURY N/B | US TREASURY N/B | 2024-07-31 | Added / first present |
|---|
| XOM 9 C115 | N/A | 2024-07-31 | Added / first present |
|---|
| XOM 8 C121 | N/A | 2024-07-31 | Added / first present |
|---|
| XOM 8 C119 | N/A | 2024-07-31 | Added / first present |
|---|
| US TREASURY N/B | US TREASURY N/B | 2024-04-30 | Added / first present |
|---|
| XOM 5 C120 | N/A | 2024-04-30 | Added / first present |
|---|
| XOM 5 C124 | N/A | 2024-04-30 | Added / first present |
|---|
| XOM 5 C119 | N/A | 2024-04-30 | Added / first present |
|---|
Removals
| Ticker | Issuer | Observed date | Change |
|---|
| TREASURY BILL | TREASURY BILL | 2026-04-30 | Removed / first absent |
|---|
| XOM 3 C120 | N/A | 2026-04-30 | Removed / first absent |
|---|
| XOM 1 C137 | N/A | 2026-04-30 | Removed / first absent |
|---|
| XOM 1 C136 | N/A | 2026-04-30 | Removed / first absent |
|---|
| XOM 1 C138 | N/A | 2026-04-30 | Removed / first absent |
|---|
| XOM 1 C134 | N/A | 2026-04-30 | Removed / first absent |
|---|
| XOM 1 C135 | N/A | 2026-04-30 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2026-04-30 | Removed / first absent |
|---|
| XOM 12 C115 | N/A | 2026-01-31 | Removed / first absent |
|---|
| XOM 10 C119 | N/A | 2026-01-31 | Removed / first absent |
|---|
| XOM 10 C120 | N/A | 2026-01-31 | Removed / first absent |
|---|
| XOM 10 C118 | N/A | 2026-01-31 | Removed / first absent |
|---|
| XOM 10 C117 | N/A | 2026-01-31 | Removed / first absent |
|---|
| XOM 8 C105 | N/A | 2025-10-31 | Removed / first absent |
|---|
| XOM 8 C115 | N/A | 2025-10-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2026-04-30 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2026-01-31 | Removed / first absent |
|---|
| XOM 8 C114 | N/A | 2025-10-31 | Removed / first absent |
|---|
| XOM 8 C113 | N/A | 2025-10-31 | Removed / first absent |
|---|
| XOM 8 C112 | N/A | 2025-10-31 | Removed / first absent |
|---|
| US TREASURY N/B | US TREASURY N/B | 2025-10-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-07-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-10-31 | Removed / first absent |
|---|
| XOM 5 C110 | N/A | 2025-07-31 | Removed / first absent |
|---|
| XOM 5 C100 | N/A | 2025-07-31 | Removed / first absent |
|---|
| XOM 5 C117 | N/A | 2025-07-31 | Removed / first absent |
|---|
| XOM 5 C114 | N/A | 2025-07-31 | Removed / first absent |
|---|
| XOM 5 C111 | N/A | 2025-07-31 | Removed / first absent |
|---|
| XOM 2 C105 | N/A | 2025-04-30 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-07-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-04-30 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2025-04-30 | Removed / first absent |
|---|
| XOM 1 C115 | N/A | 2025-04-30 | Removed / first absent |
|---|
| XOM 1 C112 | N/A | 2025-04-30 | Removed / first absent |
|---|
| XOM 11 C125 | N/A | 2025-01-31 | Removed / first absent |
|---|
| XOM 11 C115 | N/A | 2025-01-31 | Removed / first absent |
|---|
| XOM 11 C124 | N/A | 2025-01-31 | Removed / first absent |
|---|
| XOM 11 C121 | N/A | 2025-01-31 | Removed / first absent |
|---|
| US TREASURY N/B | US TREASURY N/B | 2025-07-31 | Removed / first absent |
|---|
| US TREASURY N/B | US TREASURY N/B | 2026-01-31 | Removed / first absent |
|---|
| XOM 9 C115 | N/A | 2024-10-31 | Removed / first absent |
|---|
| XOM 8 C121 | N/A | 2024-10-31 | Removed / first absent |
|---|
| XOM 8 C119 | N/A | 2024-10-31 | Removed / first absent |
|---|
| US TREASURY N/B | US TREASURY N/B | 2025-04-30 | Removed / first absent |
|---|
| XOM 5 C120 | N/A | 2024-07-31 | Removed / first absent |
|---|
| XOM 5 C124 | N/A | 2024-07-31 | Removed / first absent |
|---|
| XOM 5 C119 | N/A | 2024-07-31 | Removed / first absent |
|---|
| US TREASURY N/B | US TREASURY N/B | 2025-01-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2024-07-31 | Removed / first absent |
|---|
| XOM 3 C100 | N/A | 2024-04-30 | Removed / first absent |
|---|
| XOM 2 C104 | N/A | 2024-04-30 | Removed / first absent |
|---|
| XOM 2 C101 | N/A | 2024-04-30 | Removed / first absent |
|---|
| XOM 2 C105 | N/A | 2024-04-30 | Removed / first absent |
|---|