Ionis Pharmaceuticals shares owned by CSS
Historical chart of CSS investment in Ionis Pharmaceuticals
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All positions including Ionis Pharmaceuticals held by CSS consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Ionis Pharmaceuticals by CSS
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-03-31 | $6.1M | 81k | 75.09 |
| 2025-09-30 | $262k | 4.0k | 65.42 |
| 2024-12-31 | $528k | 15k | 34.96 |
| 2024-09-30 | $605k | 15k | 40.06 |
| 2024-06-30 | $720k | 15k | 47.66 |
| 2024-03-31 | $217k | 5.0k | 43.35 |
| 2021-03-31 | $432k | 9.6k | 44.98 |
| 2020-03-31 | $241k | 5.1k | 47.25 |
| 2019-12-31 | $15M | 240k | 60.41 |
| 2019-09-30 | $2.4M | 41k | 59.96 |
| 2019-06-30 | $831k | 13k | 64.33 |
| 2019-03-31 | $941k | 12k | 81.14 |
| 2018-12-31 | $2.1M | 40k | 54.09 |
| 2018-09-30 | $2.4M | 46k | 51.57 |
| 2018-06-30 | $765k | 18k | 41.79 |
| 2018-03-31 | $1.3M | 29k | 44.00 |
| 2017-12-31 | $1.5M | 30k | 50.38 |
| 2017-09-30 | $1.6M | 32k | 50.75 |
| 2017-03-31 | $411k | 10k | 40.17 |
| 2016-12-31 | $387k | 8.1k | 47.78 |
| 2016-09-30 | $296k | 8.1k | 36.54 |
| 2016-06-30 | $212k | 9.1k | 23.30 |
| 2016-03-31 | $327k | 8.1k | 40.37 |
| 2015-12-31 | $1.8M | 30k | 61.95 |