A detailed history of Sei Investments CO transactions in Biogen Inc. stock. As of the latest transaction made, Sei Investments CO holds 105,351 shares of BIIB stock, worth $18.3 Million. This represents 0.04% of its overall portfolio holdings.

Number of Shares
105,351
Previous 90,451 16.47%
Holding current value
$18.3 Million
Previous $19.5 Million 25.22%
% of portfolio
0.04%
Previous 0.03%

Shares

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

Aug 13, 2024

BUY
$190.52 - $236.72 $2.84 Million - $3.53 Million
14,900 Added 16.47%
105,351 $24.4 Million
Q1 2024

May 07, 2024

BUY
$212.02 - $267.71 $177,460 - $224,073
837 Added 0.93%
90,451 $19.5 Million
Q4 2023

Feb 14, 2024

SELL
$222.59 - $267.94 $485,691 - $584,645
-2,182 Reduced 2.38%
89,614 $23.2 Million
Q3 2023

Nov 14, 2023

BUY
$253.3 - $285.89 $135,515 - $152,951
535 Added 0.59%
91,796 $23.6 Million
Q2 2023

Aug 11, 2023

SELL
$275.25 - $318.06 $2.79 Million - $3.23 Million
-10,154 Reduced 10.01%
91,261 $26 Million
Q1 2023

May 12, 2023

BUY
$256.56 - $292.34 $1.02 Million - $1.16 Million
3,983 Added 4.09%
101,415 $28.2 Million
Q4 2022

Feb 10, 2023

SELL
$252.44 - $306.72 $1.62 Million - $1.97 Million
-6,426 Reduced 6.19%
97,432 $27 Million
Q3 2022

Nov 14, 2022

SELL
$194.69 - $268.46 $1.41 Million - $1.95 Million
-7,264 Reduced 6.54%
103,858 $27.7 Million
Q2 2022

Aug 15, 2022

SELL
$187.54 - $223.02 $20.7 Million - $24.6 Million
-110,221 Reduced 49.8%
111,122 $22.6 Million
Q1 2022

May 13, 2022

SELL
$193.77 - $244.14 $6.32 Million - $7.96 Million
-32,617 Reduced 12.84%
221,343 $46.6 Million
Q4 2021

Feb 14, 2022

BUY
$223.92 - $287.77 $9.86 Million - $12.7 Million
44,012 Added 20.96%
253,960 $60.8 Million
Q3 2021

Nov 12, 2021

BUY
$282.99 - $369.05 $35.7 Million - $46.5 Million
126,096 Added 150.38%
209,948 $59.5 Million
Q2 2021

Aug 06, 2021

SELL
$259.0 - $414.71 $4.27 Million - $6.83 Million
-16,469 Reduced 16.42%
83,852 $29 Million
Q1 2021

May 12, 2021

BUY
$242.95 - $284.63 $282,064 - $330,455
1,161 Added 1.17%
100,321 $27.1 Million
Q4 2020

Feb 08, 2021

SELL
$236.26 - $355.63 $5.72 Million - $8.62 Million
-24,230 Reduced 19.64%
99,160 $24.3 Million
Q3 2020

Dec 04, 2020

SELL
$264.77 - $305.71 $745,062 - $860,267
-2,814 Reduced 2.23%
123,390 $35 Million
Q3 2020

Nov 06, 2020

BUY
$264.77 - $305.71 $234,056 - $270,247
884 Added 0.71%
126,204 $35.8 Million
Q2 2020

Aug 17, 2020

SELL
$258.66 - $342.55 $2.01 Million - $2.66 Million
-7,762 Reduced 5.83%
125,320 $33.6 Million
Q2 2020

Aug 11, 2020

BUY
$258.66 - $342.55 $1.8 Million - $2.39 Million
6,971 Added 5.53%
133,082 $38.4 Million
Q1 2020

May 14, 2020

SELL
$268.85 - $341.04 $145,447 - $184,502
-541 Reduced 0.43%
126,111 $39.9 Million
Q4 2019

Feb 06, 2020

BUY
$220.06 - $304.07 $1.86 Million - $2.57 Million
8,462 Added 7.16%
126,652 $37.6 Million
Q3 2019

Nov 12, 2019

BUY
$217.44 - $243.88 $2.58 Million - $2.9 Million
11,886 Added 11.18%
118,190 $27.3 Million
Q2 2019

Aug 14, 2019

SELL
$219.29 - $241.72 $2.37 Million - $2.62 Million
-10,827 Reduced 9.24%
106,304 $24.7 Million
Q1 2019

May 15, 2019

SELL
$216.71 - $338.96 $3.59 Million - $5.61 Million
-16,545 Reduced 12.38%
117,131 $27.5 Million
Q4 2018

Feb 13, 2019

BUY
$278.5 - $352.75 $1.5 Million - $1.9 Million
5,394 Added 4.2%
133,676 $46.4 Million
Q3 2018

Nov 08, 2018

SELL
$293.51 - $383.83 $12.1 Million - $15.9 Million
-41,324 Reduced 24.36%
128,282 $45.3 Million
Q2 2018

Aug 03, 2018

BUY
$257.52 - $306.91 $2.4 Million - $2.86 Million
9,327 Added 5.82%
169,606 $49.2 Million
Q1 2018

May 11, 2018

SELL
$260.13 - $367.91 $44.8 Million - $63.3 Million
-172,152 Reduced 51.79%
160,279 $43.9 Million
Q4 2017

Feb 08, 2018

BUY
$307.64 - $344.58 $3.02 Million - $3.38 Million
9,809 Added 3.04%
332,431 $106 Million
Q3 2017

Nov 06, 2017

BUY
$281.15 - $329.69 $90.7 Million - $106 Million
322,622
322,622 $101 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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