VANGUARD GROUP INC 13D and 13G filings for Biogen Inc.:
- 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 1:24 pm Unchanged |
2024-09-30 | 13G | Biogen Inc. BIIB |
VANGUARD GROUP INC | 16,677,806 11.440% |
0 (Unchanged) |
Filing |
| 2024-11-04 11:20 am Purchase |
2024-09-30 | 13G | Biogen Inc. BIIB |
VANGUARD GROUP INC | 16,677,806 11.440% |
2,156,464 (+14.85%) |
Filing |
| 2024-02-12 11:21 am Purchase |
2024-01-31 | 13G | Biogen Inc. BIIB |
VANGUARD GROUP INC | 14,521,342 10.020% |
114,463 (+0.79%) |
Filing |
| 2024-02-12 10:50 am Purchase |
2023-12-29 | 13G | Biogen Inc. BIIB |
VANGUARD GROUP INC | 14,406,879 9.940% |
2,430,256 (+20.29%) |
Filing |
| 2023-02-09 11:12 am Purchase |
2022-12-30 | 13G | Biogen Inc. BIIB |
VANGUARD GROUP INC | 11,976,623 8.320% |
439,324 (+3.81%) |
Filing |
| 2022-02-09 3:33 pm Sale |
2021-12-31 | 13G | Biogen Inc. BIIB |
VANGUARD GROUP INC | 11,537,299 7.850% |
-359,211 (-3.02%) |
Filing |
| 2021-02-10 10:39 am Sale |
2020-12-31 | 13G | Biogen Inc. BIIB |
VANGUARD GROUP INC | 11,896,510 7.730% |
-1,974,028 (-14.23%) |
Filing |