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