Ionis Pharmaceuticals shares owned by T. Rowe Price Investment Management
Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by T. Rowe Price Investment Management
from 13F filings
Historical chart of T. Rowe Price Investment Management investment in Ionis Pharmaceuticals
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Quarterly reported holdings in Ionis Pharmaceuticals by T. Rowe Price Investment Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $861M | 13M | 65.42 |
| 2025-06-30 | $634M | 16M | 39.51 |
| 2024-12-31 | $495M | 14M | 34.96 |
| 2024-09-30 | $568M | 14M | 40.06 |
| 2024-06-30 | $602M | 13M | 47.66 |
| 2024-03-31 | $577M | 13M | 43.35 |
| 2023-09-30 | $595M | 13M | 45.36 |
| 2023-06-30 | $537M | 13M | 41.03 |
| 2023-03-31 | $467M | 13M | 35.74 |
| 2022-12-31 | $441M | 12M | 37.77 |
More positions owned by T. Rowe Price Investment Management
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