Ionis Pharmaceuticals shares owned by Tanaka Capital Management
Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by Tanaka Capital Management
from 13F filings
Historical chart of Tanaka Capital Management investment in Ionis Pharmaceuticals
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Quarterly reported holdings in Ionis Pharmaceuticals by Tanaka Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $739k | 15k | 50.57 |
| 2023-09-30 | $663k | 15k | 45.37 |
| 2023-06-30 | $292k | 7.1k | 41.06 |
| 2023-03-31 | $254k | 7.1k | 35.71 |
| 2022-12-31 | $269k | 7.1k | 37.82 |
| 2022-09-30 | $315k | 7.1k | 44.29 |
| 2022-06-30 | $263k | 7.1k | 36.98 |
| 2022-03-31 | $317k | 8.5k | 37.09 |
| 2021-12-31 | $270k | 8.9k | 30.47 |
| 2021-09-30 | $559k | 17k | 33.55 |
| 2021-06-30 | $665k | 17k | 39.91 |
| 2021-03-31 | $927k | 21k | 44.98 |
| 2020-12-31 | $950k | 17k | 56.53 |
| 2020-09-30 | $879k | 19k | 47.46 |
| 2020-06-30 | $1.2M | 20k | 58.94 |
| 2020-03-31 | $947k | 20k | 47.26 |
| 2019-12-31 | $1.8M | 30k | 60.42 |
| 2019-09-30 | $1.8M | 31k | 59.91 |
| 2019-06-30 | $2.1M | 33k | 64.28 |
| 2019-03-31 | $2.8M | 34k | 81.18 |
| 2018-12-31 | $2.0M | 37k | 54.06 |
| 2018-09-30 | $1.9M | 37k | 51.59 |
| 2018-06-30 | $1.5M | 37k | 41.68 |
| 2018-03-31 | $2.2M | 50k | 44.08 |
| 2017-12-31 | $2.6M | 53k | 50.30 |
| 2017-09-30 | $3.1M | 62k | 50.71 |
| 2017-06-30 | $4.2M | 82k | 50.87 |
| 2017-03-31 | $3.4M | 83k | 40.20 |
| 2016-12-31 | $4.1M | 85k | 47.83 |
| 2016-09-30 | $2.4M | 65k | 36.64 |