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
876
$91K
877
$88K
878
$86K
879
$85K
880
$85K
881
$84K
882
$81K
883
$72K
884
$68K
885
$68K
886
$67.9K
887
$65K
888
$63K
889
$62K
890
$52K
891
$49K
892
$49K
893
$48K
894
$48K
895
$46K
896
$45K
897
$44K
898
$44K
899
$41K
900
$38K