State Street Corporation 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 |
| 2025-11-10 08:14 am Purchase | 2025-09-30 | 13G | Alkermes plc ALKS | STATE STREET CORP STT | 8,540,351 5.200% | 517,681 (+6.45%) | Filing |
| 2025-05-13 10:23 am Purchase | 2025-03-31 | 13G | Alkermes plc ALKS | STATE STREET CORP STT | 8,022,670 4.900% | 8,022,670 (New Position) | Filing |