Christopher Browne - Tweedy, Browne Co
Holding/activity history for Ionis Pharmaceuticals Inc. (IONS)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 2,275,625 | 13.57 | Reduce 7.68% | 1.21 | $75.09 | $170,876,681 | SEC |
| 2025 Q4 | 2,464,930 | 15.76 | Reduce 15.04% | 2.48 | $79.11 | $195,000,612 | SEC |
| 2025 Q3 | 2,901,216 | 16.48 | Add 0.32% | 0.05 | $65.42 | $189,797,551 | SEC |
| 2025 Q2 | 2,891,948 | 10.60 | Reduce 3.07% | 0.24 | $39.51 | $114,260,865 | SEC |
| 2025 Q1 | 2,983,518 | 7.98 | Reduce 8.17% | 0.63 | $30.17 | $90,012,738 | SEC |
| 2024 Q4 | 3,248,863 | 7.66 | Reduce 5.96% | 0.39 | $34.96 | $113,580,250 | SEC |
| 2024 Q3 | 3,454,676 | 6.60 | $40.06 | $138,394,321 | SEC | ||
| 2024 Q2 | 3,454,676 | 7.57 | $47.66 | $164,649,858 | SEC | ||
| 2024 Q1 | 3,454,676 | 7.03 | $43.35 | $149,760,205 | SEC | ||
| 2023 Q4 | 3,454,676 | 8.58 | Reduce 1.58% | 0.14 | $50.59 | $174,772,059 | SEC |
| 2023 Q3 | 3,510,173 | 8.57 | Reduce 0.87% | 0.07 | $45.36 | $159,221,447 | SEC |
| 2023 Q2 | 3,540,858 | 7.66 | Reduce 0.01% | <0.01 | $41.03 | $145,281,000 | SEC |
| 2023 Q1 | 3,541,046 | 6.93 | Reduce 0.00% | <0.01 | $35.74 | $126,557,000 | SEC |
| 2022 Q4 | 3,541,136 | 7.16 | Add 30.05% | 1.65 | $37.77 | $133,749,000 | SEC |
| 2022 Q3 | 2,722,988 | 5.30 | Reduce 0.14% | <0.01 | $44.23 | $120,438,000 | SEC |
| 2022 Q2 | 2,726,778 | 4.13 | Reduce 6.78% | 0.24 | $37.02 | $100,945,000 | SEC |
| 2022 Q1 | 2,925,102 | 3.50 | Buy | 3.50 | $37.04 | $108,346,000 | SEC |