Ionis Pharmaceuticals shares owned by Citadel Advisors
Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by Citadel Advisors
from 13F filings
Historical chart of Citadel Advisors investment in Ionis Pharmaceuticals
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Quarterly reported holdings in Ionis Pharmaceuticals by Citadel Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $169M | 2.6M | 65.42 |
| 2025-06-30 | $65M | 1.6M | 39.51 |
| 2025-03-31 | $109M | 3.6M | 30.17 |
| 2024-12-31 | $79M | 2.3M | 34.96 |
| 2024-09-30 | $20M | 498k | 40.06 |
| 2024-06-30 | $39M | 827k | 47.66 |
| 2024-03-31 | $11M | 254k | 43.35 |
| 2023-12-31 | $16M | 319k | 50.59 |
| 2023-09-30 | $26M | 578k | 45.36 |
| 2023-06-30 | $32M | 790k | 41.03 |
| 2023-03-31 | $7.1M | 198k | 35.74 |
| 2022-12-31 | $17M | 454k | 37.77 |
| 2022-06-30 | $20M | 551k | 37.02 |
| 2022-03-31 | $49M | 1.3M | 37.04 |
| 2021-12-31 | $41M | 1.3M | 30.43 |
| 2021-09-30 | $39M | 1.2M | 33.54 |
| 2021-06-30 | $29M | 727k | 39.89 |
| 2021-03-31 | $17M | 372k | 44.96 |
| 2020-12-31 | $45M | 797k | 56.54 |
| 2020-09-30 | $98M | 2.1M | 47.45 |
| 2020-06-30 | $80M | 1.4M | 58.96 |
| 2020-03-31 | $87M | 1.8M | 47.28 |
| 2019-12-31 | $36M | 589k | 60.41 |
| 2019-09-30 | $12M | 202k | 59.92 |
| 2019-06-30 | $50M | 782k | 64.27 |
| 2019-03-31 | $24M | 299k | 81.16 |
| 2018-12-31 | $14M | 256k | 54.07 |
| 2018-09-30 | $20M | 389k | 51.57 |
| 2018-06-30 | $8.8M | 212k | 41.66 |
| 2018-03-31 | $22M | 494k | 44.06 |
| 2017-12-31 | $14M | 270k | 50.33 |
| 2017-09-30 | $7.6M | 149k | 50.70 |
| 2017-06-30 | $11M | 221k | 50.87 |
| 2017-03-31 | $9.4M | 235k | 40.19 |
| 2016-12-31 | $8.4M | 175k | 47.83 |
| 2016-09-30 | $19M | 527k | 36.64 |
| 2016-03-31 | $7.8M | 192k | 40.50 |