AIYY 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 |
|---|
| TREASURY BILL | TREASURY BILL | 2026-01-31 | Added / first present |
|---|
| AI 2 C15 | N/A | 2026-01-31 | Added / first present |
|---|
| AI 2 C13.5 | N/A | 2026-01-31 | Added / first present |
|---|
| AI 1 C13.5 | N/A | 2026-01-31 | Added / first present |
|---|
| AI 1 C13 | N/A | 2026-01-31 | Added / first present |
|---|
| AI 2 C12.5 | N/A | 2026-01-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-10-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-10-31 | Added / first present |
|---|
| AI 11 C17.5 | N/A | 2025-10-31 | Added / first present |
|---|
| AI 11 C19.5 | N/A | 2025-10-31 | Added / first present |
|---|
| AI 10 C20 | N/A | 2025-10-31 | Added / first present |
|---|
| AI 10 C18.5 | N/A | 2025-10-31 | Added / first present |
|---|
| AI 11 C18 | N/A | 2025-10-31 | 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 |
|---|
| AI 8 C25 | N/A | 2025-07-31 | Added / first present |
|---|
| AI 8 C26.5 | N/A | 2025-07-31 | Added / first present |
|---|
| AI 8 C28 | N/A | 2025-07-31 | Added / first present |
|---|
| AI 8 C29.5 | N/A | 2025-07-31 | Added / first present |
|---|
| AI 8 C27.5 | N/A | 2025-07-31 | Added / first present |
|---|
| AI 8 C26 | 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 |
|---|
| AI 6 C22.5 | N/A | 2025-04-30 | Added / first present |
|---|
| AI 5 C23.5 | N/A | 2025-04-30 | Added / first present |
|---|
| AI 5 C24.5 | N/A | 2025-04-30 | Added / first present |
|---|
| AI 5 C22.5 | N/A | 2025-04-30 | Added / first present |
|---|
| AI 5 C22 | N/A | 2025-04-30 | Added / first present |
|---|
Removals
| Ticker | Issuer | Observed date | Change |
|---|
| TREASURY BILL | TREASURY BILL | 2026-04-30 | Removed / first absent |
|---|
| AI 2 C15 | N/A | 2026-04-30 | Removed / first absent |
|---|
| AI 2 C13.5 | N/A | 2026-04-30 | Removed / first absent |
|---|
| AI 1 C13.5 | N/A | 2026-04-30 | Removed / first absent |
|---|
| AI 1 C13 | N/A | 2026-04-30 | Removed / first absent |
|---|
| AI 2 C12.5 | N/A | 2026-04-30 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2026-04-30 | Removed / first absent |
|---|
| AI 11 C17.5 | N/A | 2026-01-31 | Removed / first absent |
|---|
| AI 11 C19.5 | N/A | 2026-01-31 | Removed / first absent |
|---|
| AI 10 C20 | N/A | 2026-01-31 | Removed / first absent |
|---|
| AI 10 C18.5 | N/A | 2026-01-31 | Removed / first absent |
|---|
| AI 11 C18 | N/A | 2026-01-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2026-04-30 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2026-01-31 | Removed / first absent |
|---|
| AI 8 C25 | N/A | 2025-10-31 | Removed / first absent |
|---|
| AI 8 C26.5 | N/A | 2025-10-31 | Removed / first absent |
|---|
| AI 8 C28 | N/A | 2025-10-31 | Removed / first absent |
|---|
| AI 8 C29.5 | N/A | 2025-10-31 | Removed / first absent |
|---|
| AI 8 C27.5 | N/A | 2025-10-31 | Removed / first absent |
|---|
| AI 8 C26 | 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 |
|---|
| AI 6 C22.5 | N/A | 2025-07-31 | Removed / first absent |
|---|
| AI 5 C23.5 | N/A | 2025-07-31 | Removed / first absent |
|---|
| AI 5 C24.5 | N/A | 2025-07-31 | Removed / first absent |
|---|
| AI 5 C22.5 | N/A | 2025-07-31 | Removed / first absent |
|---|
| AI 5 C22 | N/A | 2025-07-31 | Removed / first absent |
|---|
| US TREASURY N/B | US TREASURY N/B | 2025-04-30 | 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 | 2025-10-31 | 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 |
|---|
| AI 3 C35 | N/A | 2025-04-30 | Removed / first absent |
|---|
| AI 2 C37.5 | N/A | 2025-04-30 | Removed / first absent |
|---|
| AI 1 C35 | N/A | 2025-04-30 | Removed / first absent |
|---|
| AI 1 C32.5 | N/A | 2025-04-30 | Removed / first absent |
|---|
| AI 2 C33.5 | N/A | 2025-04-30 | Removed / first absent |
|---|