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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
401
$1.2M
402
$1.19M
403
$1.16M
404
$1.15M
405
$1.13M
406
$1.13M
407
$1.12M
408
$1.08M
409
$1.08M
410
$1.08M
411
$1.03M
412
$1M
413
$990K
414
$990K
415
$976K
416
$972K
417
$958K
418
$912K
419
$911K
420
$901K
421
$893K
422
$883K
423
$861K
424
$861K
425
$855K
15 16
17
18 19