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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
676
$298K
677
$298K
678
$294K
679
$289K
680
$289K
681
$288K
682
$286K
683
$283K
684
$283K
685
$281K
686
$280K
687
$278K
688
$277K
689
$277K
690
$273K
691
$270K
692
$268K
693
$267K
694
$266K
695
$265K
696
$265K
697
$255K
698
$254K
699
$247K
700
$244K