A detailed history of Arizona State Retirement System transactions in Biogen Inc. stock. As of the latest transaction made, Arizona State Retirement System holds 42,140 shares of BIIB stock, worth $7.32 Million. This represents 0.07% of its overall portfolio holdings.

Number of Shares
42,140
Previous 41,581 1.34%
Holding current value
$7.32 Million
Previous $8.97 Million 8.94%
% of portfolio
0.07%
Previous 0.06%

Shares

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

Aug 05, 2024

BUY
$190.52 - $236.72 $106,500 - $132,326
559 Added 1.34%
42,140 $9.77 Million
Q1 2024

May 07, 2024

BUY
$212.02 - $267.71 $177,248 - $223,805
836 Added 2.05%
41,581 $8.97 Million
Q4 2023

Jan 24, 2024

SELL
$222.59 - $267.94 $50,082 - $60,286
-225 Reduced 0.55%
40,745 $10.5 Million
Q3 2023

Nov 06, 2023

SELL
$253.3 - $285.89 $83,842 - $94,629
-331 Reduced 0.8%
40,970 $10.5 Million
Q2 2023

Aug 01, 2023

BUY
$275.25 - $318.06 $545,545 - $630,394
1,982 Added 5.04%
41,301 $11.8 Million
Q1 2023

Apr 27, 2023

SELL
$256.56 - $292.34 $56,699 - $64,607
-221 Reduced 0.56%
39,319 $10.9 Million
Q4 2022

Feb 07, 2023

SELL
$252.44 - $306.72 $67,906 - $82,507
-269 Reduced 0.68%
39,540 $10.9 Million
Q3 2022

Nov 07, 2022

SELL
$194.69 - $268.46 $99,291 - $136,914
-510 Reduced 1.26%
39,809 $10.6 Million
Q2 2022

Jul 28, 2022

BUY
$187.54 - $223.02 $2,250 - $2,676
12 Added 0.03%
40,319 $8.22 Million
Q1 2022

May 04, 2022

SELL
$193.77 - $244.14 $99,016 - $124,755
-511 Reduced 1.25%
40,307 $8.49 Million
Q4 2021

Feb 04, 2022

SELL
$223.92 - $287.77 $261,090 - $335,539
-1,166 Reduced 2.78%
40,818 $9.79 Million
Q3 2021

Nov 12, 2021

SELL
$282.99 - $369.05 $197,244 - $257,227
-697 Reduced 1.63%
41,984 $11.9 Million
Q2 2021

Aug 02, 2021

SELL
$259.0 - $414.71 $176,897 - $283,246
-683 Reduced 1.58%
42,681 $14.8 Million
Q1 2021

May 06, 2021

SELL
$242.95 - $284.63 $562,186 - $658,633
-2,314 Reduced 5.07%
43,364 $12.1 Million
Q4 2020

Jan 28, 2021

SELL
$236.26 - $355.63 $933,463 - $1.41 Million
-3,951 Reduced 7.96%
45,678 $11.2 Million
Q3 2020

Nov 05, 2020

BUY
$264.77 - $305.71 $2.31 Million - $2.67 Million
8,741 Added 21.38%
49,629 $14.1 Million
Q2 2020

Aug 04, 2020

BUY
$258.66 - $342.55 $2.18 Million - $2.89 Million
8,444 Added 26.03%
40,888 $10.9 Million
Q1 2020

May 05, 2020

SELL
$268.85 - $341.04 $386,606 - $490,415
-1,438 Reduced 4.24%
32,444 $10.3 Million
Q4 2019

Jan 27, 2020

SELL
$220.06 - $304.07 $123,233 - $170,279
-560 Reduced 1.63%
33,882 $10.1 Million
Q3 2019

Oct 31, 2019

SELL
$217.44 - $243.88 $529,466 - $593,847
-2,435 Reduced 6.6%
34,442 $8.02 Million
Q2 2019

Jul 25, 2019

SELL
$219.29 - $241.72 $196,264 - $216,339
-895 Reduced 2.37%
36,877 $8.62 Million
Q1 2019

Apr 29, 2019

SELL
$216.71 - $338.96 $785,790 - $1.23 Million
-3,626 Reduced 8.76%
37,772 $8.93 Million
Q4 2018

Jan 28, 2019

SELL
$278.5 - $352.75 $2.38 Million - $3.01 Million
-8,531 Reduced 17.09%
41,398 $12.5 Million
Q3 2018

Oct 29, 2018

SELL
$293.51 - $383.83 $565,887 - $740,024
-1,928 Reduced 3.72%
49,929 $17.6 Million
Q2 2018

Aug 07, 2018

SELL
$257.52 - $306.91 $157,602 - $187,828
-612 Reduced 1.17%
51,857 $15.1 Million
Q1 2018

May 14, 2018

SELL
$260.13 - $367.91 $286,143 - $404,701
-1,100 Reduced 2.05%
52,469 $14.4 Million
Q4 2017

Feb 09, 2018

BUY
$307.64 - $344.58 $360,246 - $403,503
1,171 Added 2.23%
53,569 $17.1 Million
Q3 2017

Nov 14, 2017

BUY
$281.15 - $329.69 $14.7 Million - $17.3 Million
52,398
52,398 $16.4 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 $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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