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
876
$88K
877
$86K
878
$85K
879
$85K
880
$84K
881
$81K
882
$72K
883
$68K
884
$68K
885
$67.9K
886
$65K
887
$63K
888
$62K
889
$52K
890
$49K
891
$49K
892
$48K
893
$48K
894
$46K
895
$45K
896
$44K
897
$44K
898
$41K
899
$38K
900
$37K