Ionis Pharmaceuticals shares owned by Two Sigma Investments
Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by Two Sigma Investments
from 13F filings
Historical chart of Two Sigma Investments investment in Ionis Pharmaceuticals
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Quarterly reported holdings in Ionis Pharmaceuticals by Two Sigma Investments
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $103M | 1.6M | 65.42 |
| 2025-06-30 | $71M | 1.8M | 39.51 |
| 2025-03-31 | $51M | 1.7M | 30.17 |
| 2024-12-31 | $32M | 921k | 34.96 |
| 2024-09-30 | $37M | 919k | 40.06 |
| 2024-06-30 | $49M | 1.0M | 47.66 |
| 2024-03-31 | $47M | 1.1M | 43.35 |
| 2023-12-31 | $41M | 801k | 50.59 |
| 2023-09-30 | $22M | 476k | 45.36 |
| 2023-06-30 | $8.8M | 213k | 41.03 |
| 2023-03-31 | $825k | 23k | 35.74 |
| 2022-12-31 | $7.6M | 201k | 37.77 |
| 2022-09-30 | $13M | 293k | 44.23 |
| 2022-06-30 | $21M | 560k | 37.02 |
| 2022-03-31 | $29M | 780k | 37.04 |
| 2021-12-31 | $18M | 595k | 30.43 |
| 2021-09-30 | $11M | 314k | 33.54 |
| 2021-06-30 | $12M | 307k | 39.89 |
| 2021-03-31 | $8.4M | 186k | 44.96 |
| 2020-12-31 | $9.5M | 167k | 56.54 |
| 2020-09-30 | $45M | 952k | 47.45 |
| 2020-06-30 | $36M | 610k | 58.96 |
| 2020-03-31 | $26M | 548k | 47.28 |
| 2019-12-31 | $39M | 642k | 60.41 |
| 2019-09-30 | $40M | 661k | 59.91 |
| 2019-06-30 | $85M | 1.3M | 64.27 |
| 2019-03-31 | $64M | 786k | 81.17 |
| 2018-12-31 | $39M | 728k | 54.06 |
| 2018-09-30 | $28M | 540k | 51.58 |
| 2018-06-30 | $6.2M | 150k | 41.67 |
| 2018-03-31 | $22M | 506k | 44.08 |
| 2017-12-31 | $8.6M | 170k | 50.30 |
| 2017-09-30 | $264k | 5.2k | 50.64 |
| 2017-06-30 | $758k | 15k | 50.86 |
| 2015-12-31 | $29M | 462k | 61.93 |