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
451
$647K
452
$640K
453
$637K
454
$635K
455
$634K
456
$631K
457
$629K
458
$629K
459
$627K
460
$626K
461
$626K
462
$622K
463
$620K
464
$617K
465
$611K
466
$604K
467
$595K
468
$590K
469
$589K
470
$583K
471
$580K
472
$573K
473
$571K
474
$558K
475
$557K