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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
426
$853K
427
$840K
428
$833K
429
$830K
430
$828K
431
$823K
432
$822K
433
$818K
434
$813K
435
$801K
436
$798K
437
$780K
438
$778K
439
$777K
440
$775K
441
$763K
442
$750K
443
$741K
444
$734K
445
$708K
446
$699K
447
$699K
448
$696K
449
$694K
450
$691K
16 17
18
19 20