1,096 hedge funds and large institutions have $51.9B invested in Biogen in 2018 Q2 according to their latest regulatory filings, with 82 funds opening new positions, 419 increasing their positions, 413 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,096
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
28
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$755M
Puts
$1.28B
Net Calls
Net Calls Change

Top Buyers

1 +$193M
2 +$192M
3 +$115M
4
ClearBridge Investments
ClearBridge Investments
New York
+$98.9M
5
Invesco
Invesco
Georgia
+$88.1M
Name Holding Trade Value Shares
Change
Change in
Stake
876
$250K
877
$247K
878
$247K
879
$246K
880
$246K
881
$245K
882
$244K
883
$242K
884
$242K
885
$241K
886
$241K
887
$240K
888
$239K
889
$239K
890
$238K
891
$238K
892
$238K
893
$237K
894
$234K
895
$234K
896
$232K
897
$232K
898
$232K
899
$231K
900
$229K