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 | 612,783 | $29,873 | — | — |
| Q3 2025 | 580,194 | $28,337 | — | — |
| Q2 2025 | 565,858 | $27,529 | — | — |
| Q1 2025 | 555,087 | $26,838 | — | — |
| Q4 2024 | 538,537 | $25,726 | — | — |
| Q3 2024 | 534,405 | $26,015 | — | — |
| Q2 2024 | 519,322 | $24,600 | — | — |
| Q1 2024 | 512,985 | $24,336 | — | — |
| Q4 2023 | 487,695 | $23,195 | — | — |
| Q3 2023 | 497,261 | $23,063 | — | — |
| Q2 2023 | 482,974 | $22,526 | — | — |
| Q1 2023 | 475,842 | $22,438 | — | — |
| Q4 2022 | 439,288 | $20,401 | — | — |
| Q3 2022 | 499,178 | $23,012 | — | — |
| Q2 2022 | 479,624 | $22,734 | — | — |
| Q1 2022 | 516,832 | $25,046 | — | — |
| Q4 2021 | 503,184 | $25,376 | — | — |
| Q3 2021 | 509,118 | $26,001 | — | — |
| Q2 2021 | 485,324 | $24,892 | — | — |
| Q1 2021 | 472,768 | $24,248 | — | — |
| Q4 2020 | 451,884 | $23,335 | — | — |
| Q3 2020 | 438,909 | $22,626 | — | — |
| Q2 2020 | 409,940 | $21,100 | — | — |
| Q1 2020 | 398,318 | $20,115 | — | — |
| Q4 2019 | 390,606 | $19,687 | — | — |
| Q3 2019 | 382,184 | $19,296 | — | — |
| Q2 2019 | 371,409 | $18,730 | — | — |
| Q1 2019 | 363,461 | $18,122 | — | — |
| Q4 2018 | 283,836 | $13,925 | — | — |
| Q3 2018 | 346,113 | $16,960 | — | — |
| Q2 2018 | 335,015 | $16,443 | — | — |
| Q1 2018 | 253 | $64 | — | — |
| Q4 2017 | 327,957 | $16,342 | — | — |
| Q3 2017 | 345,413 | $17,364 | — | — |
| Q2 2017 | 276,643 | $13,904 | — | — |