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BIOGEN INC (BIIB) Stock Ownership and Short Interest

USA - NASDAQ:BIIB - US09062X1037 - Common Stock

154.05 USD
-5.83 (-3.65%)
Last: 10/6/2025, 9:24:42 PM
154.001 USD
-0.05 (-0.03%)
After Hours: 10/6/2025, 9:24:42 PM
BIIB Ownership Chart.BIIB Ownership Chart: showing Insider, Institutional ownership and shares available to the public.BIIB Ownership.InsiderInstitutionalPublic



Shares Outstanding146.61M
Float146.36M
Float Short Interest Percentage3.5%
Owners (insider)0.14%
Owners (institutional)92.49%
Owners (insider) change3.4%
Owners (institutional) change0%

No transactions were filed in the last 12 months.