ION 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 |
|---|
| Sigma Lithium Corp. | Sigma Lithium Corp. | 2025-08-31 | Added / first present |
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| INVESCO GOVT AND AGCY LEX | INVESCO GOVT AND AGCY LEX | 2025-05-31 | Added / first present |
|---|
| INVESCO GOVT AND AGCY LEX | INVESCO GOVT AND AGCY LEX | 2024-11-30 | Added / first present |
|---|
| INVESCO GOVT AND AGCY LEX | INVESCO GOVT AND AGCY LEX | 2024-02-29 | Added / first present |
|---|
| Karora Resources, Inc. | Karora Resources, Inc. | 2023-08-31 | Added / first present |
|---|
Removals
| Ticker | Issuer | Observed date | Change |
|---|
| INVESCO GOVT AND AGCY LEX | INVESCO GOVT AND AGCY LEX | 2025-02-28 | Removed / first absent |
|---|
| INVESCO GOVT AND AGCY LEX | INVESCO GOVT AND AGCY LEX | 2024-08-31 | Removed / first absent |
|---|
| Karora Resources, Inc. | Karora Resources, Inc. | 2024-08-31 | Removed / first absent |
|---|
| Livent Corp. | Livent Corp. | 2024-02-29 | Removed / first absent |
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