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
501
$1.84M
502
$1.8M
503
$1.78M
504
$1.75M
505
$1.75M
506
$1.74M
507
$1.74M
508
$1.73M
509
$1.7M
510
$1.69M
511
$1.69M
512
$1.69M
513
$1.69M
514
$1.68M
515
$1.67M
516
$1.65M
517
$1.65M
518
$1.64M
519
$1.63M
520
$1.63M
521
$1.61M
522
$1.6M
523
$1.6M
524
$1.58M
525
$1.57M