965 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, 348 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
965
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
$2.84M
427
$2.83M
428
$2.83M
429
$2.79M
430
$2.77M
431
$2.77M
432
$2.77M
433
$2.76M
434
$2.76M
435
$2.73M
436
$2.72M
437
$2.71M
438
$2.71M
439
$2.71M
440
$2.71M
441
$2.66M
442
$2.64M
443
$2.6M
444
$2.58M
445
$2.58M
446
$2.54M
447
$2.53M
448
$2.52M
449
$2.47M
450
$2.45M