Ionis Pharmaceuticals shares owned by Alyeska Investment Group
Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by Alyeska Investment Group
from 13F filings
Historical chart of Alyeska Investment Group investment in Ionis Pharmaceuticals
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Quarterly reported holdings in Ionis Pharmaceuticals by Alyeska Investment Group
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $20M | 311k | 65.42 |
| 2025-06-30 | $6.3M | 159k | 39.51 |
| 2024-12-31 | $5.2M | 150k | 34.96 |
| 2024-09-30 | $6.8M | 169k | 40.06 |
| 2021-03-31 | $19M | 428k | 44.96 |
| 2020-12-31 | $11M | 203k | 56.54 |
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