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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
526
$1M
527
$992K
528
$985K
529
$977K
530
$976K
531
$942K
532
$932K
533
$926K
534
$923K
535
$922K
536
$921K
537
$910K
538
$887K
539
$885K
540
$860K
541
$860K
542
$849K
543
$830K
544
$827K
545
$809K
546
$799K
547
$798K
548
$797K
549
$792K
550
$784K