912 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, 376 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: 376

33% less funds holding in top 10

Funds holding in top 10: 128 (-4)

Holders
912
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
$431K
528
$431K
529
$429K
530
$425K
531
$424K
532
$424K
533
$422K
534
$422K
535
$421K
536
$419K
537
$417K
538
$415K
539
$413K
540
$406K
541
$406K
542
$406K
543
$402K
544
$401K
545
$400K
546
$394K
547
$392K
548
$388K
549
$388K
550
$388K