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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
601
$521K
602
$521K
603
$518K
604
$503K
605
$496K
606
$496K
607
$493K
608
$493K
609
$491K
610
$489K
611
$488K
612
$482K
613
$482K
614
$472K
615
$470K
616
$466K
617
$463K
618
$463K
619
$456K
620
$452K
621
$448K
622
$446K
623
$446K
624
$445K
625
$444K