Ticker: ISTB CUSIP: 46432F859 Class: CORE 1 5 YR USD
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 11,554,781 | $563 | — | — |
| Q3 2025 | 10,992,587 | $537 | — | — |
| Q2 2025 | 10,198,998 | $496 | — | — |
| Q1 2025 | 10,922,893 | $528 | — | — |
| Q4 2024 | 10,728,367 | $512 | — | — |
| Q3 2024 | 10,230,639 | $498 | — | — |
| Q2 2024 | 9,754,334 | $462 | — | — |
| Q1 2024 | 9,233,110 | $438 | — | — |
| Q4 2023 | 8,582,714 | $408 | — | — |
| Q3 2023 | 8,228,082 | $382 | — | — |
| Q2 2023 | 7,973,141 | $372 | — | — |
| Q1 2023 | 7,530,988 | $355 | — | — |
| Q4 2022 | 7,158,373 | $332 | — | — |
| Q3 2022 | 6,757,032 | $311,499 | — | — |
| Q2 2022 | 6,545,723 | $310,267 | — | — |
| Q1 2022 | 6,556,294 | $317,713 | — | — |
| Q4 2021 | 6,233,691 | $314,365 | — | — |
| Q3 2021 | 5,779,741 | $295,171 | — | — |
| Q2 2021 | 5,306,422 | $272,166 | — | — |
| Q1 2021 | 4,685,115 | $240,300 | — | — |
| Q4 2020 | 4,056,637 | $209,485 | — | — |
| Q3 2020 | 3,539,432 | $182,458 | — | — |