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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
451
$683K
452
$679K
453
$676K
454
$670K
455
$667K
456
$664K
457
$656K
458
$654K
459
$635K
460
$632K
461
$616K
462
$611K
463
$606K
464
$603K
465
$603K
466
$602K
467
$600K
468
$592K
469
$592K
470
$591K
471
$582K
472
$579K
473
$571K
474
$561K
475
$560K
17 18
19
20 21