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BIOGEN INC (BIIB) Stock Ownership and Short Interest

NASDAQ:BIIB - US09062X1037 - Common Stock

142.61 USD
-0.99 (-0.69%)
Last: 9/10/2025, 8:00:01 PM
144.48 USD
+1.87 (+1.31%)
After Hours: 9/10/2025, 8:00:01 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 Percentage2.84%
Owners (insider)0.14%
Owners (institutional)92.67%
Owners (insider) change3.35%
Owners (institutional) change-0.33%

No transactions were filed in the last 12 months.