Ionis Pharmaceuticals shares owned by Acadian Asset Management
Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by Acadian Asset Management
from 13F filings
Historical chart of Acadian Asset Management investment in Ionis Pharmaceuticals
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Quarterly reported holdings in Ionis Pharmaceuticals by Acadian Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $2.7M | 35k | 79.01 |
| 2025-09-30 | $7.2M | 110k | 65.32 |
| 2024-09-30 | $253k | 6.3k | 39.98 |
| 2024-03-31 | $255k | 5.9k | 43.29 |
| 2023-03-31 | $109k | 3.1k | 35.47 |
| 2022-09-30 | $898k | 20k | 44.04 |
| 2021-03-31 | $107k | 2.4k | 45.00 |
| 2020-12-31 | $1.9M | 34k | 56.56 |
| 2020-09-30 | $1.2M | 25k | 47.46 |
| 2020-06-30 | $3.5M | 59k | 58.99 |
| 2020-03-31 | $52k | 1.1k | 47.14 |
| 2019-12-31 | $182k | 3.0k | 60.47 |
| 2019-06-30 | $62k | 963 | 64.38 |
| 2019-03-31 | $76k | 939 | 80.94 |
| 2018-12-31 | $207k | 3.8k | 54.08 |
| 2018-09-30 | $8.0k | 158 | 50.63 |
| 2018-06-30 | $7.0k | 158 | 44.30 |
| 2018-03-31 | $2.0k | 48 | 41.67 |
| 2017-12-31 | $143k | 2.8k | 50.55 |
| 2017-09-30 | $171k | 3.4k | 50.59 |
| 2017-03-31 | $6.0k | 143 | 41.96 |
| 2015-12-31 | $8.0k | 134 | 59.70 |