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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
501
$409K
502
$392K
503
$392K
504
$388K
505
$387K
506
$380K
507
$380K
508
$378K
509
$377K
510
$375K
511
$369K
512
$357K
513
$348K
514
$345K
515
$344K
516
$342K
517
$340K
518
$335K
519
$335K
520
$332K
521
$326K
522
$323K
523
$318K
524
$312K
525
$305K
19 20
21
22 23