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
1051
$16K
1052
$15K
1053
$14K
1054
$13.1K
1055
$13K
1056
$12K
1057
$12K
1058
$12K
1059
$11K
1060
$11K
1061
$11K
1062
$11K
1063
$11K
1064
$10K
1065
$10K
1066
$9K
1067
$9K
1068
$7.26K
1069
$7.06K
1070
$7K
1071
$7K
1072
$7K
1073
$7K
1074
$6K
1075
$6K