964 hedge funds and large institutions have $46.5B invested in Biogen in 2016 Q2 according to their latest regulatory filings, with 107 funds opening new positions, 368 increasing their positions, 347 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
964
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.08B
Puts
$1.33B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
826
$217K
827
$215K
828
$214K
829
$212K
830
$212K
831
$212K
832
$211K
833
$210K
834
$210K
835
$210K
836
$210K
837
$209K
838
$208K
839
$207K
840
$206K
841
$206K
842
$206K
843
$205K
844
$202K
845
$198K
846
$193K
847
$190K
848
$180K
849
$174K
850
$171K