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
176
$7.64M
177
$7.64M
178
$7.63M
179
$7.52M
180
$7.34M
181
$7.24M
182
$7.18M
183
$7.17M
184
$7.12M
185
$7.09M
186
$6.96M
187
$6.95M
188
$6.83M
189
$6.82M
190
$6.78M
191
$6.66M
192
$6.59M
193
$6.55M
194
$6.44M
195
$6.31M
196
$6.22M
197
$6.18M
198
$6.15M
199
$6.15M
200
$6.12M