913 hedge funds and large institutions have $25.1B invested in Biogen in 2024 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 268 increasing their positions, 377 reducing their positions, and 117 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less funds holding

Funds holding:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less capital invested

Capital invested by funds: $ → $

24% less call options, than puts

Call options by funds: $214M | Put options by funds: $282M

29% less repeat investments, than reductions

Existing positions increased: 268 | Existing positions reduced: 377

33% less funds holding in top 10

Funds holding in top 10: 128 (-4)

Holders
913
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
8
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$214M
Puts
$282M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
526
$437K
527
$437K
528
$431K
529
$431K
530
$429K
531
$425K
532
$424K
533
$424K
534
$422K
535
$422K
536
$421K
537
$419K
538
$417K
539
$415K
540
$413K
541
$406K
542
$406K
543
$406K
544
$402K
545
$401K
546
$400K
547
$394K
548
$392K
549
$388K
550
$388K