Ionis Pharmaceuticals shares owned by Dimensional Fund Advisors
Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by Dimensional Fund Advisors
from 13F filings
Historical chart of Dimensional Fund Advisors investment in Ionis Pharmaceuticals
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Quarterly reported holdings in Ionis Pharmaceuticals by Dimensional Fund Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $14M | 176k | 79.11 |
| 2025-09-30 | $2.8M | 42k | 65.42 |
| 2024-12-31 | $3.3M | 94k | 34.96 |
| 2024-09-30 | $3.8M | 94k | 40.06 |
| 2024-06-30 | $4.2M | 89k | 47.66 |
| 2024-03-31 | $4.7M | 109k | 43.35 |
| 2023-12-31 | $6.3M | 125k | 50.59 |
| 2023-09-30 | $8.7M | 192k | 45.36 |
| 2023-06-30 | $7.5M | 183k | 41.03 |
| 2023-03-31 | $16M | 443k | 35.74 |
| 2022-12-31 | $17M | 458k | 37.77 |
| 2022-09-30 | $25M | 561k | 44.23 |
| 2022-06-30 | $22M | 585k | 37.02 |
| 2022-03-31 | $13M | 354k | 37.03 |
| 2021-12-31 | $12M | 387k | 30.43 |
| 2021-09-30 | $12M | 356k | 33.54 |
| 2021-06-30 | $16M | 410k | 39.89 |
| 2021-03-31 | $21M | 457k | 44.97 |
| 2020-12-31 | $25M | 449k | 56.55 |
| 2020-09-30 | $21M | 451k | 47.46 |
| 2020-06-30 | $25M | 419k | 58.96 |
| 2020-03-31 | $17M | 349k | 47.28 |
| 2019-12-31 | $18M | 304k | 60.41 |
| 2019-09-30 | $17M | 281k | 59.90 |
| 2019-06-30 | $18M | 273k | 64.28 |
| 2019-03-31 | $25M | 305k | 81.16 |
| 2018-12-31 | $16M | 293k | 54.04 |
| 2018-09-30 | $14M | 269k | 51.58 |
| 2018-06-30 | $9.9M | 238k | 41.67 |
| 2018-03-31 | $11M | 238k | 44.08 |
| 2017-12-31 | $11M | 225k | 50.30 |
| 2017-09-30 | $10M | 204k | 50.72 |
| 2017-06-30 | $10M | 197k | 50.88 |
| 2017-03-31 | $6.8M | 170k | 40.20 |
| 2016-12-31 | $4.7M | 97k | 47.83 |
| 2016-09-30 | $772k | 21k | 36.62 |
| 2016-06-30 | $275k | 12k | 23.28 |
| 2016-03-31 | $4.5M | 111k | 40.48 |
| 2015-12-31 | $6.0M | 97k | 61.92 |