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
151
$9.62M
152
$9.56M
153
$9.54M
154
$9.5M
155
$9.27M
156
$9.25M
157
$9.22M
158
$9.2M
159
$9.15M
160
$9.13M
161
$8.94M
162
$8.88M
163
$8.85M
164
$8.76M
165
$8.6M
166
$8.6M
167
$8.4M
168
$8.34M
169
$8.31M
170
$8.24M
171
$8.23M
172
$8.09M
173
$8.04M
174
$8.01M
175
$7.7M