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Biogen

818 hedge funds and large institutions have $71B invested in Biogen in 2014 Q3 according to their latest regulatory filings, with 91 funds opening new positions, 312 increasing their positions, 278 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
818
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
41
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$754M
Puts
$1.23B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
651
$375K
652
$371K
653
$366K
654
$366K
655
$364K
656
$362K
657
$356K
658
$354K
659
$354K
660
$353K
661
$353K
662
$352K
663
$350K
664
$346K
665
$338K
666
$331K
667
$331K
668
$331K
669
$331K
670
$330K
671
$329K
672
$319K
673
$304K
674
$304K
675
$304K