906 hedge funds and large institutions have $24.9B invested in Biogen in 2024 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 266 increasing their positions, 374 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: $ → $

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: 374

Holders
906
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
426
$773K
427
$757K
428
$743K
429
$743K
430
$730K
431
$728K
432
$714K
433
$712K
434
$705K
435
$705K
436
$700K
437
$698K
438
$694K
439
$689K
440
$686K
441
$686K
442
$685K
443
$685K
444
$682K
445
$679K
446
$672K
447
$665K
448
$657K
449
$651K
450
$647K