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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
526
$301K
527
$301K
528
$298K
529
$297K
530
$286K
531
$280K
532
$280K
533
$280K
534
$280K
535
$270K
536
$267K
537
$264K
538
$261K
539
$261K
540
$260K
541
$260K
542
$258K
543
$252K
544
$245K
545
$242K
546
$241K
547
$241K
548
$239K
549
$238K
550
$236K
20 21
22
23 24