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