Prothena shares owned by Vanguard Capital Management
Quarter-by-quarter ownership of Prothena (PRTA) shares owned by Vanguard Capital Management
from 13F filings
Historical chart of Vanguard Capital Management investment in Prothena
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Quarterly reported holdings in Prothena by Vanguard Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-03-31 | $4.7M | 484k | 9.72 |
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