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
501
$1.8M
502
$1.78M
503
$1.75M
504
$1.75M
505
$1.74M
506
$1.74M
507
$1.73M
508
$1.7M
509
$1.69M
510
$1.69M
511
$1.69M
512
$1.69M
513
$1.68M
514
$1.67M
515
$1.65M
516
$1.65M
517
$1.64M
518
$1.63M
519
$1.63M
520
$1.61M
521
$1.6M
522
$1.6M
523
$1.58M
524
$1.57M
525
$1.56M