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
601
$936K
602
$935K
603
$912K
604
$912K
605
$910K
606
$902K
607
$895K
608
$895K
609
$890K
610
$881K
611
$878K
612
$861K
613
$838K
614
$833K
615
$831K
616
$822K
617
$816K
618
$813K
619
$813K
620
$809K
621
$798K
622
$794K
623
$793K
624
$782K
625
$767K