State Street Corporation 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 |
| 2025-11-10 08:15 am Sale | 2025-09-30 | 13G | Biogen Inc. BIIB | STATE STREET CORP STT | 7,321,168 5.000% | -25,337![]() (-0.34%) | Filing |
| 2024-10-16 12:11 pm Purchase | 2024-09-30 | 13G | Biogen Inc. BIIB | STATE STREET CORP STT | 7,346,505 5.000% | 7,346,505![]() (New Position) | Filing |

