WELLINGTON MANAGEMENT CO LLP 13D and 13G filings for Prothena Corporation plc:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 2025-02-10 10:25 am Purchase |
2024-12-31 | 13G | Prothena Corporation plc PRTA |
WELLINGTON MANAGEMENT CO LLP | 5,130,876 9.500% |
952,088 (+22.78%) |
Filing |
| 2024-11-08 10:46 am Sale |
2024-09-30 | 13G | Prothena Corporation plc PRTA |
WELLINGTON MANAGEMENT CO LLP | 4,178,788 7.770% |
-1,619,953 (-27.94%) |
Filing |
| 2024-11-07 09:33 am Purchase |
2024-10-31 | 13G | Prothena Corporation plc PRTA |
WELLINGTON MANAGEMENT CO LLP | 5,798,741 10.780% |
4,824,841 (+495.41%) |
Filing |