Wellington Management Group 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 Group 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 Group 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 Group 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 Group 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 Group LLP | 11,808,222 7.320% | -8,729,677![]() (-42.51%) | Filing |

