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
326
$1.62M
327
$1.61M
328
$1.61M
329
$1.58M
330
$1.57M
331
$1.56M
332
$1.55M
333
$1.55M
334
$1.54M
335
$1.53M
336
$1.51M
337
$1.5M
338
$1.48M
339
$1.45M
340
$1.44M
341
$1.43M
342
$1.42M
343
$1.4M
344
$1.39M
345
$1.39M
346
$1.38M
347
$1.38M
348
$1.37M
349
$1.37M
350
$1.35M