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
926
$18K
927
$18K
928
$16K
929
$15K
930
$14.6K
931
$14K
932
$14K
933
$13K
934
$12K
935
$12K
936
$12K
937
$12K
938
$11K
939
$11K
940
$10K
941
$9.67K
942
$9K
943
$9K
944
$8K
945
$8K
946
$7K
947
$6K
948
$6K
949
$5K
950
$4.57K