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
526
$1.55M
527
$1.55M
528
$1.54M
529
$1.54M
530
$1.51M
531
$1.5M
532
$1.49M
533
$1.47M
534
$1.47M
535
$1.45M
536
$1.45M
537
$1.45M
538
$1.44M
539
$1.43M
540
$1.42M
541
$1.41M
542
$1.39M
543
$1.36M
544
$1.36M
545
$1.34M
546
$1.34M
547
$1.33M
548
$1.32M
549
$1.31M
550
$1.31M