Prothena shares owned by PRIMECAP Management Company
Quarter-by-quarter ownership of Prothena (PRTA) shares owned by PRIMECAP Management Company
from 13F filings
Historical chart of PRIMECAP Management Company investment in Prothena
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Quarterly reported holdings in Prothena by PRIMECAP Management Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2024-09-30 | $594k | 36k | 16.73 |
| 2024-06-30 | $753k | 37k | 20.64 |
| 2024-03-31 | $904k | 37k | 24.77 |
More positions owned by PRIMECAP Management Company
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