S&CO Inc
- SEC CIK
- 0001082461
- Latest filing
- Aug 6, 2026
BIIB holding history
Biogen Inc. in every 13F filed by S&CO Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
BIIB overviewAll 13F holders of BIIBFull Q2 2026 holdings
- Shares (Q2 2025)
- 0
- Sold out in Q2 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 1
- Since Q1 2025