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
451
$2.42M
452
$2.42M
453
$2.42M
454
$2.41M
455
$2.41M
456
$2.4M
457
$2.39M
458
$2.39M
459
$2.38M
460
$2.35M
461
$2.35M
462
$2.34M
463
$2.33M
464
$2.33M
465
$2.32M
466
$2.31M
467
$2.31M
468
$2.3M
469
$2.29M
470
$2.26M
471
$2.25M
472
$2.25M
473
$2.24M
474
$2.22M
475
$2.2M