Prothena shares owned by Renaissance Technologies
Quarter-by-quarter ownership of Prothena (PRTA) shares owned by Renaissance Technologies
from 13F filings
Historical chart of Renaissance Technologies investment in Prothena
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Quarterly reported holdings in Prothena by Renaissance Technologies
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $3.6M | 371k | 9.76 |
| 2025-06-30 | $548k | 90k | 6.07 |
| 2025-03-31 | $3.0M | 240k | 12.38 |
| 2024-12-31 | $2.8M | 202k | 13.85 |
| 2024-09-30 | $3.1M | 183k | 16.73 |
| 2024-06-30 | $6.8M | 330k | 20.64 |
| 2024-03-31 | $9.7M | 390k | 24.77 |
| 2023-12-31 | $12M | 336k | 36.34 |
| 2023-09-30 | $13M | 261k | 48.25 |
| 2023-06-30 | $22M | 324k | 68.28 |
| 2023-03-31 | $20M | 407k | 48.47 |
| 2022-12-31 | $29M | 475k | 60.25 |
| 2022-09-30 | $39M | 637k | 60.63 |
| 2022-06-30 | $19M | 686k | 27.15 |
| 2022-03-31 | $14M | 394k | 36.57 |
| 2021-12-31 | $13M | 267k | 49.40 |
| 2021-09-30 | $18M | 257k | 71.23 |
| 2021-06-30 | $12M | 238k | 51.41 |
| 2021-03-31 | $7.3M | 289k | 25.12 |
| 2020-12-31 | $3.8M | 314k | 12.01 |
| 2020-09-30 | $2.6M | 265k | 9.99 |
| 2020-06-30 | $4.1M | 388k | 10.46 |
| 2020-03-31 | $908k | 85k | 10.69 |
| 2019-12-31 | $1.1M | 69k | 15.83 |
| 2019-09-30 | $353k | 45k | 7.84 |
| 2019-03-31 | $155k | 13k | 12.11 |
| 2018-09-30 | $751k | 57k | 13.08 |
| 2017-12-31 | $1.6M | 43k | 37.49 |
| 2015-12-31 | $6.2M | 91k | 68.11 |
| 2015-09-30 | $1.7M | 36k | 45.33 |
| 2014-09-30 | $383k | 17k | 22.14 |
| 2014-06-30 | $1.2M | 52k | 22.54 |
| 2014-03-31 | $3.0M | 79k | 38.31 |