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Assenagon Asset Management S.A.
Assenagon Asset Management S.A.
BIIB
Showing 9 of 31 quarters
Position history for Assenagon Asset Management S.A.'s holdings in Biogen Inc.
Yes. Assenagon Asset Management holds 9,470 shares of BIIB (Biogen), worth $2.1M, as of its Q3 2026 13F filing. It increased the position by 3,704 shares (+64.2%) from Q2 2026. Assenagon Asset Management has held BIIB in every 13F on record since Q1 2019, 31 quarterly filings.
Current Value
$2.1M
Current Shares
9,470
Total Value Change
-$6.3M
Total Shares Change
-33,879
Quarter-by-Quarter History