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
851
$145K
852
$145K
853
$135K
854
$135K
855
$133K
856
$133K
857
$127K
858
$127K
859
$123K
860
$121K
861
$121K
862
$118K
863
$117K
864
$108K
865
$107K
866
$106K
867
$101K
868
$100K
869
$99K
870
$97K
871
$97K
872
$96K
873
$94K
874
$92K
875
$91K