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
776
$284K
777
$274K
778
$273K
779
$266K
780
$266K
781
$266K
782
$265K
783
$265K
784
$265K
785
$264K
786
$258K
787
$254K
788
$253K
789
$252K
790
$251K
791
$251K
792
$248K
793
$245K
794
$242K
795
$242K
796
$242K
797
$242K
798
$242K
799
$242K
800
$242K