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
901
$37K
902
$36K
903
$36K
904
$36K
905
$36K
906
$34K
907
$30K
908
$28.8K
909
$27K
910
$26K
911
$26K
912
$26K
913
$25K
914
$24K
915
$24K
916
$24K
917
$24K
918
$24K
919
$23K
920
$22K
921
$22K
922
$22K
923
$21K
924
$19K
925
$19K