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
226
$4.62M
227
$4.58M
228
$4.54M
229
$4.49M
230
$4.47M
231
$4.46M
232
$4.45M
233
$4.42M
234
$4.41M
235
$4.38M
236
$4.33M
237
$4.25M
238
$4.11M
239
$4.11M
240
$4.11M
241
$4.08M
242
$4.03M
243
$3.94M
244
$3.92M
245
$3.89M
246
$3.88M
247
$3.87M
248
$3.87M
249
$3.82M
250
$3.81M