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
701
$432K
702
$431K
703
$428K
704
$426K
705
$414K
706
$407K
707
$404K
708
$403K
709
$402K
710
$401K
711
$399K
712
$392K
713
$391K
714
$389K
715
$387K
716
$386K
717
$383K
718
$382K
719
$378K
720
$378K
721
$377K
722
$374K
723
$371K
724
$369K
725
$364K