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
476
$2.2M
477
$2.19M
478
$2.18M
479
$2.18M
480
$2.14M
481
$2.11M
482
$2.11M
483
$2.09M
484
$2.07M
485
$2.03M
486
$2.02M
487
$1.99M
488
$1.95M
489
$1.94M
490
$1.93M
491
$1.91M
492
$1.9M
493
$1.87M
494
$1.87M
495
$1.86M
496
$1.86M
497
$1.86M
498
$1.86M
499
$1.85M
500
$1.84M