Institutional shares held 126 Million
1.37M calls
1.35M puts
Total value of holdings $28.1B
$306M calls
$302M puts
Market Cap $32.1B
144,000,992 Shares Out.
Institutional ownership 87.57%
# of Institutions 1,046


Latest Institutional Activity in BIIB

Top Purchases

Q1 2024
Wellington Management Group LLP Shares Held: 5.12M ($1.14B)
Q1 2024
Vanguard Group Inc Shares Held: 16.6M ($3.7B)
Q1 2024
Ameriprise Financial Inc Shares Held: 799K ($178M)
Q1 2024
Beutel, Goodman & CO Ltd. Shares Held: 1.57M ($349M)
Q1 2024
Camber Capital Management LP Shares Held: 400K ($89.3M)

Top Sells

Q1 2024
First Trust Advisors LP Shares Held: 334K ($74.6M)
Q1 2024
Jpmorgan Chase & CO Shares Held: 4.69M ($1.05B)
Q1 2024
Epoch Investment Partners, Inc. Shares Held: 1.34K ($299K)
Q1 2024
Alyeska Investment Group, L.P. Shares Held: 167K ($37.2M)
Q1 2024
Pictet Asset Management Holding Sa Shares Held: 1.01M ($226M)

About BIIB

Biogen Inc. discovers, develops, manufactures, and delivers therapies for treating neurological and neurodegenerative diseases. The company offers TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, TYSABRI, and FAMPYRA for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; and FUMADERM to treat plaque psoriasis. It also provides BENEPALI, an etanercept biosimilar referencing ENBREL; ADUHELM for the treatment of Alzheimer's disease; IMRALDI, an adalimumab biosimilar referencing HUMIRA; and FLIXABI, an infliximab biosimilar referencing REMICADE. In addition, the company offers RITUXAN for treating non-Hodgkin's lymphoma, chronic lymphocytic leukemia (CLL), rheumatoid arthritis, two forms of ANCA-associated vasculitis, and pemphigus vulgaris; RITUXAN HYCELA for non-Hodgkin's lymphoma and CLL; GAZYVA to treat CLL and follicular lymphoma; and OCREVUS for treating relapsing MS and primary progressive MS; and other anti-CD20 therapies. Further, it develops BIIB135, BIIB061, BIIB091, and BIIB107 for MS and neuroimmunology; Aducanumab, Lecanemab, BIIB076, and BIIB080 to treat Alzheimer's disease and dementia; BIIB067, BIIB078, BIIB105, BIIB100, and BIIB110 to treat neuromuscular disorders; BIIB124, BIIB094, BIIB118, BIIB101, and BIIB122 for treating Parkinson's disease and movement disorders; BIIB125 and BIIB104 for treating neuropsychiatry; Dapirolizumab pegol and BIIB059 to treat immunology related diseases; BIIB093 and BIIB131 to treat acute neurology; BIIB074 for neuropathic pain; and BYOOVIZ, BIIB800, and SB15 biosimilars, which are under various stages of development. The company has collaboration and license agreements with Acorda Therapeutics, Inc.; Alkermes Pharma Ireland Limited; Denali Therapeutics Inc.; Eisai Co., Ltd.; Genentech, Inc.; Neurimmune SubOne AG; Ionis Pharmaceuticals, Inc.; Samsung Bioepis Co., Ltd.; Sangamo Therapeutics, Inc.; and Sage Therapeutics, Inc. Biogen Inc. was founded in 1978 and is headquartered in Cambridge, Massachusetts.


Insider Transactions at BIIB

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
70.6K Shares
From 17 Insiders
Grant, award, or other acquisition 11.2K shares
Exercise of conversion of derivative security 59K shares
Open market or private purchase 455 shares
Sell / Disposition
26.3K Shares
From 9 Insiders
Payment of exercise price or tax liability 24.2K shares
Open market or private sale 2.14K shares

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