907 hedge funds and large institutions have $24.9B invested in Biogen in 2024 Q3 according to their latest regulatory filings, with 98 funds opening new positions, 266 increasing their positions, 376 reducing their positions, and 118 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

less first-time investments, than exits

New positions opened: | Existing positions closed:

25% less call options, than puts

Call options by funds: $213M | Put options by funds: $282M

27% less funds holding in top 10

Funds holding in top 10: 118 (-3)

29% less repeat investments, than reductions

Existing positions increased: 266 | Existing positions reduced: 376

Holders
907
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
$213M
Puts
$282M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
476
$552K
477
$547K
478
$546K
479
$543K
480
$542K
481
$541K
482
$535K
483
$522K
484
$522K
485
$511K
486
$510K
487
$509K
488
$508K
489
$505K
490
$504K
491
$502K
492
$494K
493
$492K
494
$492K
495
$486K
496
$486K
497
$485K
498
$484K
499
$479K
500
$476K