965 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, 348 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
965
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
701
$432K
702
$432K
703
$431K
704
$428K
705
$426K
706
$414K
707
$407K
708
$404K
709
$403K
710
$402K
711
$401K
712
$399K
713
$392K
714
$391K
715
$389K
716
$387K
717
$386K
718
$383K
719
$382K
720
$378K
721
$378K
722
$377K
723
$374K
724
$371K
725
$369K