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Fund 13F filing
Marshall Wace cut $39.4M of Biogen Inc. (BIIB) stock
Marshall Wace cut $39.4M of Biogen Inc. (BIIB) stock in the quarter ending Jun 30, 2026, per a 13F filed Aug 13, 2026.
A 13F shows holdings at quarter end, so the exact trade dates are not disclosed.
- Disclosed
- Aug 13, 2026
- Quarter end
- Jun 30, 2026
- Source
- SEC Form 13F
More BIIB insider and Congress trades
From a public SEC Form 13F, linked above. Not investment advice, and not a recommendation to buy or sell.