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
401
$944K
402
$926K
403
$918K
404
$905K
405
$902K
406
$900K
407
$900K
408
$895K
409
$893K
410
$888K
411
$881K
412
$877K
413
$862K
414
$860K
415
$854K
416
$846K
417
$836K
418
$833K
419
$830K
420
$828K
421
$818K
422
$816K
423
$800K
424
$793K
425
$786K