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
726
$364K
727
$363K
728
$361K
729
$356K
730
$356K
731
$354K
732
$352K
733
$347K
734
$347K
735
$346K
736
$345K
737
$344K
738
$344K
739
$344K
740
$339K
741
$338K
742
$335K
743
$334K
744
$331K
745
$331K
746
$331K
747
$328K
748
$328K
749
$327K
750
$326K