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Biogen
BIIB

646 hedge funds and large institutions have $47.5B invested in Biogen in 2013 Q2 according to their latest regulatory filings, with 646 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

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New
Increased
Maintained
Reduced
Closed

less call options, than puts

Call options by funds: $ | Put options by funds: $
Holders
646
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
29
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$527M
Puts
$606M
Net Calls
Net Calls Change

Top Buyers

No buyers this quarter

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
551
$233K
552
$232K
553
$232K
554
$231K
555
$227K
556
$224K
557
$223K
558
$220K
559
$219K
560
$215K
561
$215K
562
$215K
563
$215K
564
$215K
565
$213K
566
$210K
567
$209K
568
$205K
569
$202K
570
$202K
571
$202K
572
$201K
573
$188K
574
$169K
575
$141K
21 22
23
24 25