A detailed history of Guardian Investment Management transactions in Biogen Inc. stock. As of the latest transaction made, Guardian Investment Management holds 10,165 shares of BIIB stock, worth $1.49 Million. This represents 1.58% of its overall portfolio holdings.

Number of Shares
10,165
Previous 10,165 -0.0%
Holding current value
$1.49 Million
Previous $2.36 Million 16.38%
% of portfolio
1.58%
Previous 1.62%

Shares

16 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q4 2023

Jan 31, 2024

BUY
$222.59 - $267.94 $22,259 - $26,794
100 Added 0.99%
10,165 $2.63 Million
Q2 2023

Jul 14, 2023

SELL
$275.25 - $318.06 $192,675 - $222,642
-700 Reduced 6.5%
10,065 $2.87 Million
Q1 2023

May 05, 2023

BUY
$256.56 - $292.34 $153,936 - $175,403
600 Added 5.9%
10,765 $2.99 Million
Q3 2021

Oct 13, 2021

SELL
$282.99 - $369.05 $141,495 - $184,525
-500 Reduced 4.69%
10,165 $2.88 Million
Q2 2021

Jul 14, 2021

SELL
$259.0 - $414.71 $25,900 - $41,471
-100 Reduced 0.93%
10,665 $3.69 Million
Q1 2021

Apr 14, 2021

SELL
$242.95 - $284.63 $24,295 - $28,463
-100 Reduced 0.92%
10,765 $3.01 Million
Q4 2020

Jan 19, 2021

BUY
$236.26 - $355.63 $94,504 - $142,252
400 Added 3.82%
10,865 $2.66 Million
Q2 2020

Jul 13, 2020

BUY
$258.66 - $342.55 $25,866 - $34,255
100 Added 0.96%
10,465 $2.8 Million
Q1 2020

May 07, 2020

BUY
$268.85 - $341.04 $53,770 - $68,208
200 Added 1.97%
10,365 $3.28 Million
Q4 2019

Jan 15, 2020

BUY
$220.06 - $304.07 $22,006 - $30,407
100 Added 0.99%
10,165 $3.02 Million
Q3 2019

Oct 24, 2019

SELL
$217.44 - $243.88 $217,440 - $243,880
-1,000 Reduced 9.04%
10,065 $2.34 Million
Q1 2019

Apr 22, 2019

SELL
$216.71 - $338.96 $21,671 - $33,896
-100 Reduced 0.9%
11,065 $2.62 Million
Q2 2018

Jul 13, 2018

BUY
$257.52 - $306.91 $231,767 - $276,219
900 Added 8.77%
11,165 $3.24 Million
Q1 2018

May 11, 2018

SELL
$260.13 - $367.91 $208,104 - $294,328
-800 Reduced 7.23%
10,265 $2.81 Million
Q4 2017

Feb 14, 2018

SELL
$307.64 - $344.58 $30,764 - $34,458
-100 Reduced 0.9%
11,065 $3.53 Million
Q3 2017

Oct 19, 2017

BUY
$281.15 - $329.69 $3.14 Million - $3.68 Million
11,165
11,165 $3.5 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 $21.1B
  • 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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