WELLINGTON MANAGEMENT CO LLP 13D and 13G filings for Alkermes 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 Sale |
2024-12-31 | 13G | Alkermes plc ALKS |
WELLINGTON MANAGEMENT CO LLP | 7,012,483 4.300% |
-5,645,762 (-44.60%) |
Filing |
| 2024-11-08 10:46 am Sale |
2024-09-30 | 13G | Alkermes plc ALKS |
WELLINGTON MANAGEMENT CO LLP | 12,658,245 7.690% |
-2,583,225 (-16.95%) |
Filing |
| 2024-02-08 10:03 am Purchase |
2023-12-29 | 13G | Alkermes plc ALKS |
WELLINGTON MANAGEMENT CO LLP | 15,241,470 9.130% |
9,197,092 (+152.16%) |
Filing |
| 2023-02-06 2:36 pm Sale |
2022-12-30 | 13G | Alkermes plc ALKS |
WELLINGTON MANAGEMENT CO LLP | 6,044,378 3.680% |
-5,763,844 (-48.81%) |
Filing |
| 2021-09-10 08:54 am Sale |
2021-08-31 | 13G | Alkermes plc ALKS |
WELLINGTON MANAGEMENT CO LLP | 11,808,222 7.320% |
-8,729,677 (-42.51%) |
Filing |
| 2021-02-03 1:13 pm Sale |
2020-12-31 | 13G | Alkermes plc ALKS |
WELLINGTON MANAGEMENT CO LLP | 20,537,899 12.900% |
-1,290,857 (-5.91%) |
Filing |