Ionis Pharmaceuticals shares owned by Tweedy, Browne Company
Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by Tweedy, Browne Company
from 13F filings
Historical chart of Tweedy, Browne Company investment in Ionis Pharmaceuticals
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Quarterly reported holdings in Ionis Pharmaceuticals by Tweedy, Browne Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $190M | 2.9M | 65.42 |
| 2025-06-30 | $114M | 2.9M | 39.51 |
| 2025-03-31 | $90M | 3.0M | 30.17 |
| 2024-12-31 | $114M | 3.2M | 34.96 |
| 2024-09-30 | $138M | 3.5M | 40.06 |
| 2024-06-30 | $165M | 3.5M | 47.66 |
| 2024-03-31 | $150M | 3.5M | 43.35 |
| 2023-09-30 | $159M | 3.5M | 45.36 |
| 2023-06-30 | $145M | 3.5M | 41.03 |
| 2023-03-31 | $127M | 3.5M | 35.74 |
| 2022-12-31 | $134M | 3.5M | 37.77 |
| 2022-09-30 | $120M | 2.7M | 44.23 |
| 2022-06-30 | $101M | 2.7M | 37.02 |
| 2022-03-31 | $108M | 2.9M | 37.04 |