1,050 hedge funds and large institutions have $37.2B 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
1,050
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
826
$232K
827
$229K
828
$228K
829
$227K
830
$227K
831
$227K
832
$227K
833
$226K
834
$226K
835
$225K
836
$222K
837
$221K
838
$220K
839
$219K
840
$219K
841
$217K
842
$217K
843
$216K
844
$215K
845
$215K
846
$213K
847
$212K
848
$212K
849
$211K
850
$211K