Prothena shares owned by Dimensional Fund Advisors
Quarter-by-quarter ownership of Prothena (PRTA) shares owned by Dimensional Fund Advisors
from 13F filings
Historical chart of Dimensional Fund Advisors investment in Prothena
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Quarterly reported holdings in Prothena by Dimensional Fund Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $7.9M | 807k | 9.76 |
| 2025-06-30 | $5.8M | 962k | 6.07 |
| 2025-03-31 | $11M | 863k | 12.38 |
| 2024-12-31 | $12M | 865k | 13.85 |
| 2024-09-30 | $14M | 854k | 16.73 |
| 2024-06-30 | $18M | 862k | 20.64 |
| 2024-03-31 | $21M | 863k | 24.77 |
| 2023-12-31 | $32M | 868k | 36.34 |
| 2023-09-30 | $53M | 1.1M | 48.25 |
| 2023-06-30 | $79M | 1.2M | 68.28 |
| 2023-03-31 | $60M | 1.2M | 48.47 |
| 2022-12-31 | $80M | 1.3M | 60.25 |
| 2022-09-30 | $90M | 1.5M | 60.63 |
| 2022-06-30 | $43M | 1.6M | 27.15 |
| 2022-03-31 | $55M | 1.5M | 36.57 |
| 2021-12-31 | $74M | 1.5M | 49.40 |
| 2021-09-30 | $113M | 1.6M | 71.23 |
| 2021-06-30 | $82M | 1.6M | 51.41 |
| 2021-03-31 | $40M | 1.6M | 25.19 |
| 2020-12-31 | $21M | 1.7M | 12.01 |
| 2020-09-30 | $18M | 1.8M | 9.99 |
| 2020-06-30 | $19M | 1.8M | 10.46 |
| 2020-03-31 | $20M | 1.8M | 10.70 |
| 2019-12-31 | $29M | 1.8M | 15.83 |
| 2019-09-30 | $14M | 1.8M | 7.84 |
| 2019-06-30 | $19M | 1.8M | 10.57 |
| 2019-03-31 | $20M | 1.7M | 12.13 |
| 2018-12-31 | $13M | 1.3M | 10.30 |
| 2018-09-30 | $12M | 945k | 13.08 |
| 2018-06-30 | $7.8M | 535k | 14.58 |
| 2014-12-31 | $23k | 1.1k | 20.37 |
| 2014-09-30 | $25k | 1.1k | 21.97 |
| 2014-06-30 | $26k | 1.1k | 22.85 |
| 2014-03-31 | $43k | 1.1k | 37.79 |
| 2013-12-31 | $30k | 1.1k | 26.88 |
| 2013-09-30 | $24k | 1.2k | 20.20 |
| 2013-06-30 | $15k | 1.2k | 12.63 |