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