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JPMorgan Chase & Co.
JPMorgan Chase & Co.
BIIB
8 quarters
Position history for JPMorgan Chase & Co.'s holdings in Biogen Inc.
Yes. JPMorgan Chase holds 1,823,140 shares of BIIB (Biogen), worth $394.9M, as of its Q2 2026 13F filing. It reduced the position by 192,869 shares (-9.6%) from Q1 2026. JPMorgan Chase has held BIIB in every 13F on record since Q3 2024, 8 quarterly filings.
Current Value
$394.9M
Current Shares
1.8M
Total Value Change
-$624.1M
Total Shares Change
-3.4M
Quarter-by-Quarter History
Other major holders of BIIB: PRIMECAP Management Co.