912 hedge funds and large institutions have $25.1B invested in Biogen in 2024 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 268 increasing their positions, 376 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: $ → $

24% less call options, than puts

Call options by funds: $214M | Put options by funds: $282M

29% less repeat investments, than reductions

Existing positions increased: 268 | Existing positions reduced: 376

33% less funds holding in top 10

Funds holding in top 10: 128 (-4)

Holders
912
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
$214M
Puts
$282M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
151
$9.69M
152
$9.65M
153
$9.62M
154
$9.56M
155
$9.54M
156
$9.5M
157
$9.27M
158
$9.25M
159
$9.22M
160
$9.2M
161
$9.15M
162
$9.13M
163
$8.94M
164
$8.88M
165
$8.85M
166
$8.76M
167
$8.6M
168
$8.6M
169
$8.4M
170
$8.34M
171
$8.31M
172
$8.24M
173
$8.23M
174
$8.09M
175
$8.04M