A detailed history of Sectoral Asset Management Inc transactions in Biogen Inc. stock. As of the latest transaction made, Sectoral Asset Management Inc holds 6,137 shares of BIIB stock, worth $1.07 Million. This represents 0.71% of its overall portfolio holdings.

Number of Shares
6,137
Previous 6,967 11.91%
Holding current value
$1.07 Million
Previous $1.5 Million 5.33%
% of portfolio
0.71%
Previous 0.74%

Shares

21 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q2 2024

Aug 13, 2024

SELL
$190.52 - $236.72 $158,131 - $196,477
-830 Reduced 11.91%
6,137 $1.42 Million
Q1 2024

May 14, 2024

SELL
$212.02 - $267.71 $1.88 Million - $2.37 Million
-8,860 Reduced 55.98%
6,967 $1.5 Million
Q4 2023

Feb 14, 2024

BUY
$222.59 - $267.94 $181,410 - $218,371
815 Added 5.43%
15,827 $4.1 Million
Q3 2023

Nov 14, 2023

BUY
$253.3 - $285.89 $239,621 - $270,451
946 Added 6.73%
15,012 $3.86 Million
Q2 2023

Aug 11, 2023

BUY
$275.25 - $318.06 $292,866 - $338,415
1,064 Added 8.18%
14,066 $4.01 Million
Q1 2023

May 12, 2023

SELL
$256.56 - $292.34 $89,796 - $102,318
-350 Reduced 2.62%
13,002 $3.61 Million
Q4 2022

Feb 10, 2023

BUY
$252.44 - $306.72 $25,244 - $30,672
100 Added 0.75%
13,352 $3.7 Million
Q3 2022

Nov 10, 2022

SELL
$194.69 - $268.46 $48,672 - $67,115
-250 Reduced 1.85%
13,252 $3.54 Million
Q2 2022

Aug 15, 2022

SELL
$187.54 - $223.02 $693,898 - $825,174
-3,700 Reduced 21.51%
13,502 $2.75 Million
Q1 2022

May 10, 2022

BUY
$193.77 - $244.14 $23,252 - $29,296
120 Added 0.7%
17,202 $3.62 Million
Q4 2021

Feb 11, 2022

SELL
$223.92 - $287.77 $526,212 - $676,259
-2,350 Reduced 12.09%
17,082 $4.1 Million
Q2 2021

Aug 16, 2021

BUY
$259.0 - $414.71 $1.8 Million - $2.88 Million
6,950 Added 55.68%
19,432 $6.73 Million
Q1 2021

May 14, 2021

SELL
$242.95 - $284.63 $72,885 - $85,389
-300 Reduced 2.35%
12,482 $3.49 Million
Q4 2020

Feb 12, 2021

SELL
$236.26 - $355.63 $2.33 Million - $3.5 Million
-9,850 Reduced 43.52%
12,782 $3.13 Million
Q3 2020

Nov 13, 2020

BUY
$264.77 - $305.71 $4.3 Million - $4.96 Million
16,240 Added 254.07%
22,632 $6.42 Million
Q2 2020

Aug 13, 2020

SELL
$258.66 - $342.55 $7.66 Million - $10.1 Million
-29,600 Reduced 82.24%
6,392 $1.71 Million
Q1 2020

May 13, 2020

BUY
$268.85 - $341.04 $927,532 - $1.18 Million
3,450 Added 10.6%
35,992 $11.4 Million
Q4 2019

Feb 12, 2020

BUY
$220.06 - $304.07 $7.16 Million - $9.9 Million
32,542 New
32,542 $9.66 Million
Q1 2019

May 14, 2019

SELL
$216.71 - $338.96 $3.97 Million - $6.2 Million
-18,301 Closed
0 $0
Q4 2018

Feb 12, 2019

BUY
$278.5 - $352.75 $4.63 Million - $5.87 Million
16,639 Added 1001.14%
18,301 $5.51 Million
Q3 2018

Nov 14, 2018

BUY
$293.51 - $383.83 $487,813 - $637,925
1,662 New
1,662 $587,000

Others Institutions Holding BIIB

About BIOGEN INC.


  • Ticker BIIB
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Drug Manufacturers—General
  • Shares Outstandng 144,000,992
  • Market Cap $25B
  • 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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