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
326
$1.64M
327
$1.62M
328
$1.61M
329
$1.61M
330
$1.58M
331
$1.57M
332
$1.56M
333
$1.55M
334
$1.55M
335
$1.54M
336
$1.53M
337
$1.51M
338
$1.5M
339
$1.48M
340
$1.45M
341
$1.44M
342
$1.43M
343
$1.42M
344
$1.4M
345
$1.39M
346
$1.39M
347
$1.38M
348
$1.38M
349
$1.37M
350
$1.37M