The Vanguard Group 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 |
| 2024-11-12 1:28 pm Unchanged |
2024-09-30 | 13G | Alkermes plc ALKS |
The Vanguard Group | 18,971,637 11.520% |
0 (Unchanged) |
Filing |
| 2024-11-04 10:58 am Sale |
2024-09-30 | 13G | Alkermes plc ALKS |
The Vanguard Group | 18,971,637 11.520% |
-1,983,817 (-9.47%) |
Filing |
| 2024-02-13 4:59 pm Purchase |
2023-12-29 | 13G | Alkermes plc ALKS |
The Vanguard Group | 20,955,454 12.560% |
2,416,376 (+13.03%) |
Filing |
| 2023-02-09 11:07 am Purchase |
2022-12-30 | 13G | Alkermes plc ALKS |
The Vanguard Group | 18,539,078 11.280% |
1,647,368 (+9.75%) |
Filing |
| 2022-02-09 3:16 pm Purchase |
2021-12-31 | 13G | Alkermes plc ALKS |
The Vanguard Group | 16,891,710 10.450% |
291,221 (+1.75%) |
Filing |
| 2021-07-12 10:21 am Purchase |
2021-06-30 | 13G | Alkermes plc ALKS |
The Vanguard Group | 16,600,489 10.350% |
1,164,013 (+7.54%) |
Filing |
| 2021-02-10 10:30 am Purchase |
2020-12-31 | 13G | Alkermes plc ALKS |
The Vanguard Group | 15,436,476 9.700% |
688,827 (+4.67%) |
Filing |