Ionis Pharmaceuticals shares owned by D. E. Shaw & Co
Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by D. E. Shaw & Co
from 13F filings
Historical chart of D. E. Shaw & Co investment in Ionis Pharmaceuticals
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Quarterly reported holdings in Ionis Pharmaceuticals by D. E. Shaw & Co
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $41M | 631k | 65.42 |
| 2024-12-31 | $808k | 23k | 34.96 |
| 2024-09-30 | $5.8M | 145k | 40.06 |
| 2024-06-30 | $9.1M | 191k | 47.66 |
| 2024-03-31 | $7.0M | 161k | 43.35 |
| 2023-12-31 | $6.0M | 119k | 50.59 |
| 2023-09-30 | $16M | 362k | 45.36 |
| 2023-06-30 | $8.1M | 196k | 41.03 |
| 2023-03-31 | $3.1M | 87k | 35.74 |
| 2022-12-31 | $11M | 299k | 37.77 |
| 2022-09-30 | $9.3M | 209k | 44.23 |
| 2022-06-30 | $4.7M | 127k | 37.02 |
| 2021-12-31 | $4.9M | 161k | 30.43 |
| 2021-09-30 | $4.2M | 126k | 33.54 |
| 2021-06-30 | $3.3M | 84k | 39.88 |
| 2021-03-31 | $764k | 17k | 44.91 |
| 2020-12-31 | $3.5M | 61k | 56.57 |
| 2020-09-30 | $13M | 271k | 47.45 |
| 2020-06-30 | $9.5M | 161k | 58.93 |
| 2020-03-31 | $3.0M | 64k | 47.29 |
| 2019-12-31 | $36M | 588k | 60.41 |
| 2019-09-30 | $52M | 868k | 59.91 |
| 2019-06-30 | $50M | 772k | 64.27 |
| 2019-03-31 | $48M | 587k | 81.17 |
| 2018-12-31 | $22M | 411k | 54.06 |
| 2018-09-30 | $6.0M | 117k | 51.60 |
| 2018-06-30 | $513k | 12k | 41.71 |
| 2018-03-31 | $1.1M | 25k | 44.10 |
| 2017-12-31 | $4.0M | 80k | 50.30 |
| 2017-09-30 | $3.4M | 67k | 50.70 |
| 2017-06-30 | $2.7M | 54k | 50.87 |
| 2017-03-31 | $837k | 21k | 40.21 |
| 2016-12-31 | $3.2M | 67k | 47.83 |
| 2016-09-30 | $1.3M | 34k | 36.65 |
| 2016-06-30 | $993k | 43k | 23.30 |
| 2016-03-31 | $1.3M | 32k | 40.51 |
| 2015-12-31 | $3.1M | 50k | 61.94 |