Ionis Pharmaceuticals shares owned by California State Teachers Retirement System
Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by California State Teachers Retirement System
from 13F filings
Historical chart of California State Teachers Retirement System investment in Ionis Pharmaceuticals
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Quarterly reported holdings in Ionis Pharmaceuticals by California State Teachers Retirement System
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $11M | 144k | 79.11 |
| 2025-09-30 | $9.5M | 145k | 65.42 |
| 2025-06-30 | $5.7M | 145k | 39.51 |
| 2025-03-31 | $4.0M | 132k | 30.17 |
| 2024-12-31 | $4.7M | 134k | 34.96 |
| 2024-09-30 | $5.1M | 126k | 40.06 |
| 2024-06-30 | $6.2M | 129k | 47.66 |
| 2024-03-31 | $5.7M | 132k | 43.35 |
| 2023-09-30 | $6.6M | 146k | 45.36 |
| 2023-06-30 | $6.6M | 161k | 41.03 |
| 2023-03-31 | $5.9M | 165k | 35.74 |
| 2022-12-31 | $6.3M | 168k | 37.77 |
| 2022-09-30 | $7.3M | 166k | 44.23 |
| 2022-06-30 | $6.3M | 169k | 37.02 |
| 2022-03-31 | $6.2M | 168k | 37.04 |
| 2021-12-31 | $5.6M | 184k | 30.43 |
| 2021-09-30 | $7.6M | 226k | 33.54 |
| 2021-06-30 | $9.7M | 244k | 39.89 |
| 2021-03-31 | $11M | 245k | 44.96 |
| 2020-12-31 | $14M | 243k | 56.54 |
| 2020-09-30 | $11M | 238k | 47.45 |
| 2020-06-30 | $14M | 244k | 58.96 |
| 2020-03-31 | $11M | 222k | 47.28 |
| 2019-12-31 | $14M | 228k | 60.41 |
| 2019-09-30 | $14M | 210k | 64.27 |
| 2019-06-30 | $14M | 210k | 64.27 |
| 2019-03-31 | $16M | 198k | 81.17 |
| 2018-12-31 | $11M | 197k | 54.06 |
| 2018-09-30 | $9.9M | 192k | 51.58 |
| 2018-06-30 | $8.0M | 192k | 41.67 |
| 2018-03-31 | $8.3M | 189k | 44.08 |
| 2017-12-31 | $9.9M | 196k | 50.30 |
| 2017-09-30 | $10M | 199k | 50.70 |
| 2017-06-30 | $11M | 220k | 50.87 |
| 2017-03-31 | $9.6M | 239k | 40.20 |
| 2016-12-31 | $12M | 250k | 47.83 |
| 2016-09-30 | $9.4M | 257k | 36.64 |
| 2016-06-30 | $5.9M | 255k | 23.29 |
| 2016-03-31 | $10M | 254k | 40.50 |
| 2015-12-31 | $14M | 222k | 61.93 |
More positions owned by California State Teachers Retirement System
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