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
651
$642K
652
$641K
653
$632K
654
$629K
655
$629K
656
$629K
657
$628K
658
$616K
659
$615K
660
$612K
661
$605K
662
$601K
663
$585K
664
$580K
665
$575K
666
$571K
667
$571K
668
$564K
669
$561K
670
$553K
671
$545K
672
$544K
673
$543K
674
$533K
675
$533K