FBY 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 |
|---|
| META 5 C680 | N/A | 2026-04-30 | Added / first present |
|---|
| META 2 C775 | N/A | 2026-01-31 | Added / first present |
|---|
| META 2 C745 | N/A | 2026-01-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2026-01-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2026-01-31 | Added / first present |
|---|
| META 2 C650 | N/A | 2026-01-31 | Added / first present |
|---|
| META 1 C687.5 | N/A | 2026-01-31 | Added / first present |
|---|
| META 1 C660 | N/A | 2026-01-31 | Added / first present |
|---|
| META 1 C685 | N/A | 2026-01-31 | Added / first present |
|---|
| META 2 C765 | N/A | 2026-01-31 | Added / first present |
|---|
| META 2 C770 | N/A | 2026-01-31 | Added / first present |
|---|
| META 2 C760 | N/A | 2026-01-31 | Added / first present |
|---|
| META 2 C755 | N/A | 2026-01-31 | Added / first present |
|---|
| META 2 C750 | N/A | 2026-01-31 | Added / first present |
|---|
| META 2 C740 | N/A | 2026-01-31 | Added / first present |
|---|
| META 1 C665 | N/A | 2026-01-31 | Added / first present |
|---|
| META 1 C640 | N/A | 2026-01-31 | Added / first present |
|---|
| META 1 C667.5 | N/A | 2026-01-31 | Added / first present |
|---|
| META 11 C700 | N/A | 2025-10-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-10-31 | Added / first present |
|---|
| TREASURY BILL | TREASURY BILL | 2025-10-31 | Added / first present |
|---|
| META 11 C740 | N/A | 2025-10-31 | Added / first present |
|---|
| META 11 C690 | N/A | 2025-10-31 | Added / first present |
|---|
| META 11 C705 | N/A | 2025-10-31 | Added / first present |
|---|
| META 11 C715 | N/A | 2025-10-31 | Added / first present |
|---|
| META 10 C790 | N/A | 2025-10-31 | Added / first present |
|---|
| META 10 C760 | N/A | 2025-10-31 | Added / first present |
|---|
| META 11 C695 | N/A | 2025-10-31 | Added / first present |
|---|
| META 11 C685 | N/A | 2025-10-31 | Added / first present |
|---|
| META 11 C670 | N/A | 2025-10-31 | Added / first present |
|---|
| META 11 C680 | 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 |
|---|
| META 8 C790 | N/A | 2025-07-31 | Added / first present |
|---|
| META 9 C725 | N/A | 2025-07-31 | Added / first present |
|---|
| META 8 C785 | N/A | 2025-07-31 | Added / first present |
|---|
| META 8 C745 | N/A | 2025-07-31 | Added / first present |
|---|
| META 8 C750 | 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 |
|---|
| META 5 C585 | N/A | 2025-04-30 | Added / first present |
|---|
| META 5 C640 | N/A | 2025-04-30 | Added / first present |
|---|
| META 5 C650 | N/A | 2025-04-30 | Added / first present |
|---|
| META 5 C590 | N/A | 2025-04-30 | Added / first present |
|---|
| META 5 C580 | N/A | 2025-04-30 | 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 |
|---|
| META 2 C600 | N/A | 2025-01-31 | Added / first present |
|---|
| META 2 C745 | N/A | 2025-01-31 | Added / first present |
|---|
| META 2 C725 | N/A | 2025-01-31 | Added / first present |
|---|
| META 2 C722.5 | N/A | 2025-01-31 | Added / first present |
|---|
| META 12 C555 | N/A | 2024-10-31 | Added / first present |
|---|
| META 11 C660 | N/A | 2024-10-31 | Added / first present |
|---|
| META 11 C605 | 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 |
|---|
| META 8 C530 | N/A | 2024-07-31 | Added / first present |
|---|
| META 8 C512.5 | N/A | 2024-07-31 | Added / first present |
|---|
| US TREASURY N/B | US TREASURY N/B | 2024-04-30 | Added / first present |
|---|
| META 5 C525 | N/A | 2024-04-30 | Added / first present |
|---|
| META 5 C515 | N/A | 2024-04-30 | Added / first present |
|---|
| META 5 C455 | N/A | 2024-04-30 | Added / first present |
|---|
| META 5 C450 | N/A | 2024-04-30 | Added / first present |
|---|
| META 5 C437.5 | N/A | 2024-04-30 | Added / first present |
|---|
Removals
| Ticker | Issuer | Observed date | Change |
|---|
| META 2 C775 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 2 C745 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 2 C650 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 1 C687.5 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 1 C660 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 1 C685 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 2 C765 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 2 C770 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 2 C760 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 2 C755 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 2 C750 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 2 C740 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 1 C665 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 1 C640 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 1 C667.5 | N/A | 2026-04-30 | Removed / first absent |
|---|
| META 11 C700 | N/A | 2026-01-31 | Removed / first absent |
|---|
| TREASURY BILL | TREASURY BILL | 2026-04-30 | Removed / first absent |
|---|
| META 11 C740 | N/A | 2026-01-31 | Removed / first absent |
|---|
| META 11 C690 | N/A | 2026-01-31 | Removed / first absent |
|---|
| META 11 C705 | N/A | 2026-01-31 | Removed / first absent |
|---|
| META 11 C715 | N/A | 2026-01-31 | Removed / first absent |
|---|
| META 10 C790 | N/A | 2026-01-31 | Removed / first absent |
|---|
| META 10 C760 | N/A | 2026-01-31 | Removed / first absent |
|---|
| META 11 C695 | N/A | 2026-01-31 | Removed / first absent |
|---|
| META 11 C685 | N/A | 2026-01-31 | Removed / first absent |
|---|
| META 11 C670 | N/A | 2026-01-31 | Removed / first absent |
|---|
| META 11 C680 | 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 |
|---|
| META 8 C790 | N/A | 2025-10-31 | Removed / first absent |
|---|
| META 9 C725 | N/A | 2025-10-31 | Removed / first absent |
|---|
| META 8 C785 | N/A | 2025-10-31 | Removed / first absent |
|---|
| META 8 C745 | N/A | 2025-10-31 | Removed / first absent |
|---|
| META 8 C750 | 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 |
|---|
| META 5 C585 | N/A | 2025-07-31 | Removed / first absent |
|---|
| META 5 C640 | N/A | 2025-07-31 | Removed / first absent |
|---|
| META 5 C650 | N/A | 2025-07-31 | Removed / first absent |
|---|
| META 5 C590 | N/A | 2025-07-31 | Removed / first absent |
|---|
| META 5 C580 | N/A | 2025-07-31 | 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 |
|---|
| META 2 C600 | N/A | 2025-04-30 | Removed / first absent |
|---|
| META 2 C745 | N/A | 2025-04-30 | Removed / first absent |
|---|
| META 2 C725 | N/A | 2025-04-30 | Removed / first absent |
|---|
| META 2 C722.5 | N/A | 2025-04-30 | Removed / first absent |
|---|
| META 12 C555 | N/A | 2025-01-31 | Removed / first absent |
|---|
| META 11 C660 | N/A | 2025-01-31 | Removed / first absent |
|---|
| META 11 C605 | 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 |
|---|
| META 8 C530 | N/A | 2024-10-31 | Removed / first absent |
|---|
| META 8 C512.5 | N/A | 2024-10-31 | Removed / first absent |
|---|
| US TREASURY N/B | US TREASURY N/B | 2025-04-30 | Removed / first absent |
|---|
| META 5 C525 | N/A | 2024-07-31 | Removed / first absent |
|---|
| META 5 C515 | N/A | 2024-07-31 | Removed / first absent |
|---|
| META 5 C455 | N/A | 2024-07-31 | Removed / first absent |
|---|
| META 5 C450 | N/A | 2024-07-31 | Removed / first absent |
|---|
| META 5 C437.5 | 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 |
|---|
| META 3 C395 | N/A | 2024-04-30 | Removed / first absent |
|---|
| META 2 C445 | N/A | 2024-04-30 | Removed / first absent |
|---|
| META 2 C420 | N/A | 2024-04-30 | Removed / first absent |
|---|
| META 2 C425 | N/A | 2024-04-30 | Removed / first absent |
|---|