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
626
$767K
627
$752K
628
$749K
629
$724K
630
$722K
631
$718K
632
$704K
633
$704K
634
$702K
635
$702K
636
$691K
637
$689K
638
$686K
639
$683K
640
$680K
641
$678K
642
$674K
643
$665K
644
$665K
645
$665K
646
$664K
647
$663K
648
$654K
649
$652K
650
$643K