Ionis Pharmaceuticals shares owned by Grandfield & Dodd
Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by Grandfield & Dodd
from 13F filings
Historical chart of Grandfield & Dodd investment in Ionis Pharmaceuticals
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Quarterly reported holdings in Ionis Pharmaceuticals by Grandfield & Dodd
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $1.7M | 33k | 50.59 |
| 2023-09-30 | $1.5M | 33k | 45.36 |
| 2023-06-30 | $1.3M | 33k | 41.03 |
| 2023-03-31 | $1.2M | 32k | 35.74 |
| 2022-12-31 | $1.2M | 32k | 37.77 |
| 2022-09-30 | $1.3M | 29k | 44.37 |
| 2022-06-30 | $1.1M | 28k | 37.13 |
| 2022-03-31 | $1.0M | 28k | 37.14 |
| 2021-12-31 | $810k | 27k | 30.26 |
| 2021-09-30 | $730k | 22k | 33.65 |
| 2021-06-30 | $840k | 21k | 39.90 |
| 2021-03-31 | $920k | 20k | 45.20 |
| 2020-12-31 | $1.1M | 20k | 56.51 |
| 2020-09-30 | $900k | 19k | 47.28 |
| 2020-06-30 | $1.1M | 19k | 58.82 |
| 2020-03-31 | $820k | 17k | 47.30 |
| 2019-12-31 | $1.0M | 17k | 60.39 |
| 2019-09-30 | $948k | 16k | 59.92 |
| 2019-06-30 | $942k | 15k | 64.30 |
| 2019-03-31 | $1.1M | 14k | 81.20 |
| 2018-12-31 | $743k | 14k | 54.06 |
| 2018-09-30 | $700k | 14k | 51.55 |
| 2018-06-30 | $561k | 14k | 41.65 |
| 2018-03-31 | $590k | 13k | 44.07 |
| 2017-12-31 | $688k | 14k | 50.33 |
| 2017-09-30 | $678k | 13k | 50.68 |
| 2017-06-30 | $652k | 13k | 50.90 |
| 2017-03-31 | $487k | 12k | 40.18 |
| 2016-12-31 | $573k | 12k | 47.81 |
| 2016-09-30 | $381k | 10k | 36.62 |
| 2016-06-30 | $260k | 11k | 23.25 |
| 2016-03-31 | $349k | 8.6k | 40.53 |
| 2015-12-31 | $333k | 5.4k | 61.95 |