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
651
$641K
652
$632K
653
$629K
654
$629K
655
$629K
656
$628K
657
$616K
658
$615K
659
$612K
660
$605K
661
$601K
662
$585K
663
$580K
664
$575K
665
$571K
666
$571K
667
$564K
668
$561K
669
$553K
670
$545K
671
$544K
672
$543K
673
$533K
674
$533K
675
$530K