964 hedge funds and large institutions have $46.5B invested in Biogen in 2016 Q2 according to their latest regulatory filings, with 107 funds opening new positions, 368 increasing their positions, 347 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
964
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.08B
Puts
$1.33B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
426
$2.83M
427
$2.83M
428
$2.79M
429
$2.77M
430
$2.77M
431
$2.77M
432
$2.76M
433
$2.76M
434
$2.73M
435
$2.72M
436
$2.71M
437
$2.71M
438
$2.71M
439
$2.71M
440
$2.66M
441
$2.64M
442
$2.6M
443
$2.58M
444
$2.58M
445
$2.54M
446
$2.53M
447
$2.52M
448
$2.47M
449
$2.45M
450
$2.42M