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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
351
$1.94M
352
$1.92M
353
$1.87M
354
$1.86M
355
$1.86M
356
$1.83M
357
$1.81M
358
$1.79M
359
$1.78M
360
$1.77M
361
$1.77M
362
$1.73M
363
$1.71M
364
$1.68M
365
$1.64M
366
$1.63M
367
$1.62M
368
$1.61M
369
$1.6M
370
$1.59M
371
$1.59M
372
$1.57M
373
$1.55M
374
$1.53M
375
$1.53M
13 14
15
16 17