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
676
$530K
677
$526K
678
$514K
679
$505K
680
$503K
681
$499K
682
$498K
683
$495K
684
$492K
685
$487K
686
$485K
687
$484K
688
$484K
689
$484K
690
$483K
691
$479K
692
$478K
693
$476K
694
$466K
695
$466K
696
$449K
697
$447K
698
$446K
699
$443K
700
$441K