1,049 hedge funds and large institutions have $37.1B invested in Biogen in 2020 Q3 according to their latest regulatory filings, with 96 funds opening new positions, 309 increasing their positions, 434 reducing their positions, and 93 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

less ownership

Funds ownership:

less funds holding

Funds holding:

7% less call options, than puts

Call options by funds: $1.42B | Put options by funds: $1.53B

14% less funds holding in top 10

Funds holding in top 10: 2118 (-3)

29% less repeat investments, than reductions

Existing positions increased: 309 | Existing positions reduced: 434

Holders
1,049
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
18
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.42B
Puts
$1.53B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
801
$247K
802
$247K
803
$246K
804
$245K
805
$244K
806
$244K
807
$243K
808
$242K
809
$242K
810
$241K
811
$240K
812
$239K
813
$238K
814
$237K
815
$237K
816
$237K
817
$237K
818
$236K
819
$236K
820
$235K
821
$235K
822
$235K
823
$233K
824
$233K
825
$232K