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
901
$228K
902
$227K
903
$226K
904
$222K
905
$221K
906
$221K
907
$221K
908
$220K
909
$219K
910
$219K
911
$218K
912
$217K
913
$214K
914
$213K
915
$213K
916
$213K
917
$211K
918
$210K
919
$210K
920
$207K
921
$206K
922
$205K
923
$204K
924
$204K
925
$203K