A detailed history of American Research & Management Co. transactions in Biogen Inc. stock. As of the latest transaction made, American Research & Management Co. holds 3,658 shares of BIIB stock, worth $821,623. This represents 0.27% of its overall portfolio holdings.

Number of Shares
3,658
Previous 3,993 8.39%
Holding current value
$821,623
Previous $814,000 20.02%
% of portfolio
0.27%
Previous 0.21%

Shares

19 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2022

Oct 07, 2022

SELL
$194.69 - $268.46 $65,221 - $89,934
-335 Reduced 8.39%
3,658 $977,000
Q2 2022

Jul 22, 2022

SELL
$187.54 - $223.02 $111,773 - $132,919
-596 Reduced 12.99%
3,993 $814,000
Q1 2022

Apr 21, 2022

SELL
$193.77 - $244.14 $68,788 - $86,669
-355 Reduced 7.18%
4,589 $966,000
Q4 2021

Jan 28, 2022

SELL
$223.92 - $287.77 $245,192 - $315,108
-1,095 Reduced 18.13%
4,944 $1.19 Million
Q3 2021

Oct 28, 2021

SELL
$282.99 - $369.05 $116,025 - $151,310
-410 Reduced 6.36%
6,039 $1.71 Million
Q2 2021

Jul 16, 2021

SELL
$259.0 - $414.71 $52,318 - $83,771
-202 Reduced 3.04%
6,449 $2.23 Million
Q1 2021

Apr 06, 2021

SELL
$242.95 - $284.63 $34,013 - $39,848
-140 Reduced 2.06%
6,651 $1.86 Million
Q4 2020

Jan 28, 2021

SELL
$236.26 - $355.63 $23,626 - $35,563
-100 Reduced 1.45%
6,791 $1.66 Million
Q3 2020

Oct 29, 2020

SELL
$264.77 - $305.71 $10,326 - $11,922
-39 Reduced 0.56%
6,891 $1.96 Million
Q1 2020

Apr 28, 2020

SELL
$268.85 - $341.04 $26,885 - $34,104
-100 Reduced 1.42%
6,930 $2.19 Million
Q4 2019

Jan 17, 2020

SELL
$220.06 - $304.07 $379,603 - $524,520
-1,725 Reduced 19.7%
7,030 $2.09 Million
Q3 2019

Oct 31, 2019

SELL
$217.44 - $243.88 $285,933 - $320,702
-1,315 Reduced 13.06%
8,755 $2.04 Million
Q2 2019

Jul 18, 2019

SELL
$219.29 - $241.72 $70,172 - $77,350
-320 Reduced 3.08%
10,070 $2.36 Million
Q4 2018

Feb 12, 2019

SELL
$278.5 - $352.75 $6,962 - $8,818
-25 Reduced 0.24%
10,390 $3.13 Million
Q3 2018

Oct 04, 2018

BUY
$293.51 - $383.83 $17,610 - $23,029
60 Added 0.58%
10,415 $3.68 Million
Q2 2018

Jul 25, 2018

BUY
$257.52 - $306.91 $294,860 - $351,411
1,145 Added 12.43%
10,355 $3.01 Million
Q1 2018

Apr 19, 2018

BUY
$260.13 - $367.91 $28,614 - $40,470
110 Added 1.21%
9,210 $2.52 Million
Q4 2017

Feb 08, 2018

BUY
$307.64 - $344.58 $19,996 - $22,397
65 Added 0.72%
9,100 $2.9 Million
Q3 2017

Oct 17, 2017

BUY
$281.15 - $329.69 $2.54 Million - $2.98 Million
9,035
9,035 $2.83 Million

Others Institutions Holding BIIB

About BIOGEN INC.


  • Ticker BIIB
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Drug Manufacturers—General
  • Shares Outstandng 144,000,992
  • Market Cap $32.3B
  • 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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