Ionis Pharmaceuticals shares owned by Rafferty Asset Management
Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by Rafferty Asset Management
from 13F filings
Historical chart of Rafferty Asset Management investment in Ionis Pharmaceuticals
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Quarterly reported holdings in Ionis Pharmaceuticals by Rafferty Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $8.2M | 126k | 65.42 |
| 2025-06-30 | $5.7M | 145k | 39.51 |
| 2025-03-31 | $5.3M | 176k | 30.17 |
| 2024-12-31 | $8.3M | 237k | 34.96 |
| 2024-09-30 | $8.0M | 199k | 40.06 |
| 2024-03-31 | $9.0M | 209k | 43.35 |
| 2023-09-30 | $9.8M | 216k | 45.36 |
| 2023-06-30 | $8.4M | 204k | 41.03 |
| 2023-03-31 | $7.3M | 204k | 35.74 |
| 2022-12-31 | $8.3M | 219k | 37.77 |
| 2022-09-30 | $6.7M | 152k | 44.23 |
| 2022-06-30 | $4.4M | 119k | 37.02 |
| 2022-03-31 | $6.6M | 179k | 37.04 |
| 2021-12-31 | $5.8M | 190k | 30.43 |
| 2021-09-30 | $3.2M | 97k | 33.54 |
| 2021-06-30 | $2.7M | 69k | 39.89 |
| 2021-03-31 | $2.8M | 63k | 44.96 |
| 2020-12-31 | $1.1M | 20k | 56.52 |
| 2020-09-30 | $1.8M | 38k | 47.46 |
| 2020-06-30 | $972k | 17k | 58.97 |
| 2020-03-31 | $354k | 7.5k | 47.24 |
| 2019-12-31 | $3.8M | 62k | 60.41 |
| 2019-09-30 | $5.9M | 98k | 59.91 |
| 2019-06-30 | $5.1M | 80k | 64.27 |
| 2019-03-31 | $5.7M | 70k | 81.17 |