A detailed history of Gamma Investing LLC transactions in Biogen Inc. stock. As of the latest transaction made, Gamma Investing LLC holds 4,343 shares of BIIB stock, worth $669,039. This represents 0.03% of its overall portfolio holdings.

Number of Shares
4,343
Previous 3,587 21.08%
Holding current value
$669,039
Previous $450 Million 35.05%
% of portfolio
0.03%
Previous 0.03%

Shares

9 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Oct 02, 2025

BUY
$122.68 - $148.84 $92,746 - $112,523
756 Added 21.08%
4,343 $608 Million
Q2 2025

Jul 14, 2025

BUY
$113.38 - $135.49 $195,580 - $233,720
1,725 Added 92.64%
3,587 $450 Million
Q1 2025

Apr 14, 2025

SELL
$133.43 - $153.27 $33.7 Million - $38.8 Million
-252,934 Reduced 99.27%
1,862 $255 Million
Q1 2025

Apr 07, 2025

BUY
$133.43 - $153.27 $33.9 Million - $39 Million
254,398 Added 63919.1%
254,796 $1.86 Million
Q4 2024

Jan 02, 2025

SELL
$146.47 - $191.55 $62,689 - $81,983
-428 Reduced 51.82%
398 $60.9 Million
Q3 2024

Oct 04, 2024

SELL
$189.07 - $236.8 $82,623 - $103,481
-437 Reduced 34.6%
826 $160 Million
Q2 2024

Jul 02, 2024

BUY
$190.52 - $236.72 $143,842 - $178,723
755 Added 148.62%
1,263 $293 Million
Q1 2024

Apr 05, 2024

BUY
$212.02 - $267.71 $4,664 - $5,889
22 Added 4.53%
508 $110 Million
Q4 2023

Feb 01, 2024

BUY
$222.59 - $267.94 $108,178 - $130,218
486 New
486 $120 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 $22.2B
  • 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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