A detailed history of Knott David M Jr transactions in Biogen Inc. stock. As of the latest transaction made, Knott David M Jr holds 2,000 shares of BIIB stock, worth $335,100. This represents 0.16% of its overall portfolio holdings.

Number of Shares
2,000
Holding current value
$335,100
% of portfolio
0.16%

Shares

1 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 12, 2025

BUY
$122.68 - $148.84 $245,360 - $297,680
2,000 New
2,000 $280,000

Others Institutions Holding BIIB

About BIOGEN INC.


  • Ticker BIIB
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Drug Manufacturers—General
  • Shares Outstandng 144,000,992
  • Market Cap $24.1B
  • 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...
More about BIIB
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