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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
326
$2.49M
327
$2.48M
328
$2.44M
329
$2.34M
330
$2.33M
331
$2.33M
332
$2.32M
333
$2.32M
334
$2.32M
335
$2.31M
336
$2.27M
337
$2.26M
338
$2.26M
339
$2.22M
340
$2.21M
341
$2.19M
342
$2.15M
343
$2.15M
344
$2.15M
345
$2.1M
346
$2.09M
347
$2.08M
348
$2.07M
349
$1.98M
350
$1.98M
12 13
14
15 16