Ionis Pharmaceuticals shares owned by Sei Investments
Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by Sei Investments
from 13F filings
Historical chart of Sei Investments investment in Ionis Pharmaceuticals
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Quarterly reported holdings in Ionis Pharmaceuticals by Sei Investments
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $7.8M | 119k | 65.42 |
| 2025-06-30 | $3.9M | 98k | 39.51 |
| 2025-03-31 | $2.2M | 72k | 30.10 |
| 2024-12-31 | $2.4M | 70k | 34.84 |
| 2024-09-30 | $7.6M | 190k | 40.03 |
| 2024-03-31 | $3.5M | 80k | 43.30 |
| 2023-09-30 | $2.9M | 65k | 45.36 |
| 2023-06-30 | $629k | 15k | 41.10 |
| 2023-03-31 | $1.6M | 46k | 35.74 |
| 2022-12-31 | $1.7M | 46k | 37.77 |
| 2022-09-30 | $845k | 19k | 44.19 |
| 2022-06-30 | $301k | 11k | 28.37 |
| 2022-03-31 | $322k | 11k | 29.20 |
| 2021-12-31 | $224k | 11k | 20.00 |
| 2021-09-30 | $151k | 14k | 10.84 |
| 2021-06-30 | $220k | 14k | 15.62 |
| 2021-03-31 | $1.2M | 28k | 44.94 |
| 2020-12-31 | $1.5M | 27k | 56.51 |
| 2020-09-30 | $3.1M | 85k | 36.52 |
| 2020-06-30 | $5.4M | 102k | 52.99 |
| 2020-03-31 | $4.1M | 91k | 45.05 |
| 2019-12-31 | $6.0M | 99k | 60.41 |
| 2019-09-30 | $4.3M | 72k | 59.91 |
| 2019-06-30 | $4.4M | 69k | 64.27 |
| 2019-03-31 | $5.5M | 67k | 81.18 |
| 2018-12-31 | $2.8M | 55k | 51.58 |
| 2018-09-30 | $2.8M | 55k | 51.58 |
| 2018-06-30 | $4.3M | 99k | 43.10 |
| 2018-03-31 | $3.4M | 76k | 44.38 |
| 2017-12-31 | $2.8M | 56k | 49.65 |
| 2017-09-30 | $2.9M | 56k | 52.63 |
| 2017-06-30 | $2.6M | 51k | 50.85 |
| 2017-03-31 | $1.7M | 40k | 42.25 |
| 2016-12-31 | $1.8M | 36k | 49.59 |
| 2016-09-30 | $4.2M | 128k | 33.06 |
| 2016-06-30 | $3.1M | 134k | 23.29 |
| 2016-03-31 | $1.7M | 42k | 40.50 |
| 2015-12-31 | $139k | 2.2k | 62.05 |