Prothena shares owned by Rafferty Asset Management
Quarter-by-quarter ownership of Prothena (PRTA) shares owned by Rafferty Asset Management
from 13F filings
Historical chart of Rafferty Asset Management investment in Prothena
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All positions including Prothena held by Rafferty Asset Management consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Prothena by Rafferty Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $788k | 83k | 9.55 |
| 2025-03-31 | $544k | 44k | 12.38 |
| 2024-12-31 | $1.1M | 78k | 13.85 |
| 2024-09-30 | $1.0M | 62k | 16.73 |
| 2024-03-31 | $7.5M | 304k | 24.77 |
| 2023-09-30 | $7.6M | 157k | 48.25 |
| 2023-06-30 | $8.2M | 120k | 68.28 |
| 2023-03-31 | $6.9M | 142k | 48.47 |
| 2022-12-31 | $8.3M | 138k | 60.25 |
| 2022-09-30 | $6.5M | 107k | 60.63 |
| 2022-06-30 | $2.2M | 82k | 27.15 |
| 2022-03-31 | $5.3M | 144k | 36.57 |
| 2021-12-31 | $6.0M | 121k | 49.40 |
| 2021-09-30 | $2.9M | 41k | 71.23 |
| 2021-06-30 | $1.8M | 34k | 51.41 |
| 2021-03-31 | $1.0M | 41k | 25.12 |
| 2020-09-30 | $230k | 23k | 9.99 |
| 2020-06-30 | $120k | 12k | 10.42 |
| 2019-12-31 | $198k | 13k | 15.86 |
| 2019-09-30 | $305k | 39k | 7.83 |
| 2019-06-30 | $514k | 49k | 10.56 |
| 2019-03-31 | $666k | 55k | 12.14 |