Primecap Management CO Biogen Inc. Transaction History
Primecap Management CO
- $122 Billion
- Q2 2025
A detailed history of Primecap Management CO transactions in Biogen Inc. stock. As of the latest transaction made, Primecap Management CO holds 15,802,122 shares of BIIB stock, worth $2.04 Billion. This represents 1.62% of its overall portfolio holdings.
Number of Shares
15,802,122
Previous 15,943,259
0.89%
Holding current value
$2.04 Billion
Previous $2.18 Billion
9.03%
% of portfolio
1.62%
Previous 1.84%
Shares
32 transactions
Others Institutions Holding BIIB
# of Institutions
1,010Shares Held
126MCall Options Held
2.3MPut Options Held
4.25M-
Vanguard Group Inc Valley Forge, PA17.3MShares$2.23 Billion0.04% of portfolio
-
Black Rock Inc. New York, NY14.5MShares$1.87 Billion0.08% of portfolio
-
State Street Corp Boston, MA7.4MShares$954 Million0.04% of portfolio
-
Wellington Management Group LLP Boston, MA4.67MShares$602 Million0.13% of portfolio
-
Geode Capital Management, LLC Boston, MA3.92MShares$505 Million0.04% of portfolio
About BIOGEN INC.
- Ticker BIIB
- Exchange NASDAQ
- Sector Healthcare
- Industry Drug Manufacturers—General
- Shares Outstandng 144,000,992
- Market Cap $18.6B
- Description
- 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 eta...