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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
476
$545K
477
$535K
478
$534K
479
$527K
480
$524K
481
$508K
482
$506K
483
$496K
484
$494K
485
$492K
486
$488K
487
$484K
488
$484K
489
$472K
490
$453K
491
$453K
492
$451K
493
$441K
494
$435K
495
$432K
496
$432K
497
$430K
498
$419K
499
$419K
500
$413K
18 19
20
21 22