A detailed history of Gilder Gagnon Howe & CO LLC transactions in Biogen Inc. stock. As of the latest transaction made, Gilder Gagnon Howe & CO LLC holds 57,031 shares of BIIB stock, worth $9.91 Million. This represents 0.17% of its overall portfolio holdings.

Number of Shares
57,031
Previous 59,941 4.85%
Holding current value
$9.91 Million
Previous $12.9 Million 2.28%
% of portfolio
0.17%
Previous 0.17%

Shares

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

Aug 14, 2024

SELL
$190.52 - $236.72 $554,413 - $688,855
-2,910 Reduced 4.85%
57,031 $13.2 Million
Q1 2024

May 15, 2024

SELL
$212.02 - $267.71 $1.81 Million - $2.29 Million
-8,538 Reduced 12.47%
59,941 $12.9 Million
Q4 2023

Feb 14, 2024

BUY
$222.59 - $267.94 $200,553 - $241,413
901 Added 1.33%
68,479 $17.7 Million
Q3 2023

Nov 14, 2023

SELL
$253.3 - $285.89 $3.22 Million - $3.64 Million
-12,719 Reduced 15.84%
67,578 $17.4 Million
Q2 2023

Aug 14, 2023

BUY
$275.25 - $318.06 $7.12 Million - $8.23 Million
25,885 Added 47.57%
80,297 $22.9 Million
Q1 2023

May 15, 2023

SELL
$256.56 - $292.34 $546,216 - $622,391
-2,129 Reduced 3.77%
54,412 $15.1 Million
Q4 2022

Feb 14, 2023

BUY
$252.44 - $306.72 $14.3 Million - $17.3 Million
56,541 New
56,541 $15.7 Million
Q3 2021

Nov 15, 2021

SELL
$282.99 - $369.05 $790,674 - $1.03 Million
-2,794 Closed
0 $0
Q2 2021

Aug 16, 2021

SELL
$259.0 - $414.71 $941,206 - $1.51 Million
-3,634 Reduced 56.53%
2,794 $967,000
Q1 2021

May 17, 2021

BUY
$242.95 - $284.63 $1.56 Million - $1.83 Million
6,428 New
6,428 $1.8 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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