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
601
$940K
602
$936K
603
$935K
604
$912K
605
$912K
606
$910K
607
$902K
608
$895K
609
$895K
610
$890K
611
$881K
612
$878K
613
$861K
614
$838K
615
$833K
616
$831K
617
$822K
618
$816K
619
$813K
620
$813K
621
$809K
622
$798K
623
$794K
624
$793K
625
$782K