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
926
$203K
927
$202K
928
$193K
929
$190K
930
$190K
931
$189K
932
$184K
933
$182K
934
$174K
935
$172K
936
$172K
937
$170K
938
$169K
939
$159K
940
$156K
941
$152K
942
$149K
943
$147K
944
$145K
945
$145K
946
$143K
947
$141K
948
$139K
949
$137K
950
$137K