Prothena shares owned by State of Wisconsin Investment Board
Quarter-by-quarter ownership of Prothena (PRTA) shares owned by State of Wisconsin Investment Board
from 13F filings
Historical chart of State of Wisconsin Investment Board investment in Prothena
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Quarterly reported holdings in Prothena by State of Wisconsin Investment Board
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $1.2M | 33k | 36.34 |
| 2023-09-30 | $2.2M | 45k | 48.25 |
| 2023-06-30 | $2.9M | 42k | 68.28 |
| 2023-03-31 | $1.5M | 31k | 48.47 |
| 2022-12-31 | $2.0M | 33k | 60.25 |
| 2022-09-30 | $3.0M | 49k | 60.64 |
| 2022-06-30 | $953k | 35k | 27.16 |
| 2022-03-31 | $1.8M | 48k | 36.57 |
| 2021-12-31 | $2.3M | 47k | 49.41 |
| 2021-09-30 | $3.3M | 46k | 71.22 |
| 2021-06-30 | $2.5M | 49k | 51.41 |
| 2021-03-31 | $1.0M | 42k | 25.11 |
| 2020-12-31 | $518k | 43k | 12.02 |
| 2020-09-30 | $619k | 62k | 9.98 |
| 2020-06-30 | $649k | 62k | 10.47 |
| 2020-03-31 | $663k | 62k | 10.69 |
| 2019-12-31 | $955k | 60k | 15.84 |
| 2019-09-30 | $473k | 60k | 7.84 |
| 2019-06-30 | $581k | 55k | 10.56 |
| 2019-03-31 | $653k | 54k | 12.14 |
| 2018-12-31 | $427k | 42k | 10.29 |
| 2018-09-30 | $535k | 41k | 13.08 |
| 2018-06-30 | $596k | 41k | 14.57 |
| 2018-03-31 | $1.4M | 38k | 36.70 |
| 2017-12-31 | $1.4M | 38k | 37.49 |
| 2017-09-30 | $1.7M | 27k | 64.78 |
| 2017-06-30 | $1.5M | 27k | 54.11 |
More positions owned by State of Wisconsin Investment Board
View all positions for State of Wisconsin Investment Board