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
676
$526K
677
$514K
678
$505K
679
$503K
680
$499K
681
$498K
682
$495K
683
$492K
684
$487K
685
$485K
686
$484K
687
$484K
688
$484K
689
$483K
690
$479K
691
$478K
692
$476K
693
$466K
694
$466K
695
$449K
696
$447K
697
$446K
698
$443K
699
$441K
700
$432K