Prothena shares owned by New York State Common Retirement Fund
Quarter-by-quarter ownership of Prothena (PRTA) shares owned by New York State Common Retirement Fund
from 13F filings
Historical chart of New York State Common Retirement Fund investment in Prothena
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Quarterly reported holdings in Prothena by New York State Common Retirement Fund
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $88k | 9.0k | 9.76 |
| 2025-06-30 | $55k | 9.0k | 6.07 |
| 2025-03-31 | $177k | 14k | 12.38 |
| 2024-12-31 | $198k | 14k | 13.87 |
| 2024-09-30 | $239k | 14k | 16.74 |
| 2024-06-30 | $379k | 18k | 20.62 |
| 2024-03-31 | $801k | 32k | 24.76 |
| 2023-12-31 | $1.2M | 34k | 36.35 |
| 2023-09-30 | $1.5M | 31k | 48.24 |
| 2023-06-30 | $2.1M | 31k | 68.29 |
| 2023-03-31 | $1.5M | 32k | 48.46 |
| 2022-12-31 | $2.2M | 36k | 60.26 |
| 2022-09-30 | $2.2M | 36k | 60.62 |
| 2022-06-30 | $943k | 35k | 27.16 |
| 2022-03-31 | $1.5M | 40k | 36.56 |
| 2021-12-31 | $1.5M | 31k | 49.41 |
| 2021-09-30 | $1.9M | 26k | 71.24 |
| 2021-06-30 | $1.5M | 30k | 51.41 |
| 2021-03-31 | $698k | 28k | 25.14 |
| 2020-12-31 | $334k | 28k | 12.03 |
| 2020-09-30 | $277k | 28k | 9.98 |
| 2020-06-30 | $290k | 28k | 10.44 |
| 2020-03-31 | $406k | 38k | 10.69 |
| 2019-12-31 | $601k | 38k | 15.83 |
| 2019-09-30 | $298k | 38k | 7.85 |
| 2019-06-30 | $443k | 42k | 10.57 |
| 2019-03-31 | $505k | 42k | 12.14 |
| 2018-12-31 | $428k | 42k | 10.29 |
| 2018-09-30 | $544k | 42k | 13.08 |
| 2018-06-30 | $607k | 42k | 14.59 |
| 2018-03-31 | $3.9M | 106k | 36.71 |
| 2017-12-31 | $4.0M | 106k | 37.49 |
| 2017-09-30 | $6.1M | 95k | 64.77 |
| 2017-06-30 | $2.3M | 42k | 54.11 |
| 2017-03-31 | $2.1M | 37k | 55.79 |
| 2016-12-31 | $1.8M | 37k | 49.19 |
| 2016-09-30 | $2.2M | 37k | 59.97 |
| 2016-06-30 | $1.2M | 34k | 34.97 |
| 2016-03-31 | $1.4M | 34k | 41.16 |
| 2015-12-31 | $2.1M | 31k | 68.10 |
| 2015-09-30 | $1.4M | 30k | 45.34 |
| 2015-06-30 | $1.7M | 32k | 52.66 |
More positions owned by New York State Common Retirement Fund
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