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Biogen

946 hedge funds and large institutions have $49.3B invested in Biogen in 2016 Q1 according to their latest regulatory filings, with 95 funds opening new positions, 363 increasing their positions, 350 reducing their positions, and 103 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
946
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
32
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.05B
Puts
$1.13B
Net Calls
Net Calls Change

Top Buyers

1 +$458M
2 +$148M
3 +$114M
4
VAM
Visium Asset Management
New York
+$99.3M
5
Invesco
Invesco
Georgia
+$89.1M
Name Holding Trade Value Shares
Change
Change in
Stake
876
$57K
877
$54K
878
$53K
879
$52K
880
$52K
881
$51K
882
$48K
883
$48K
884
$48K
885
$48K
886
$46K
887
$41K
888
$40K
889
$39K
890
$39K
891
$39K
892
$37K
893
$35K
894
$30K
895
$30K
896
$29K
897
$28K
898
$27K
899
$26.5K
900
$26K