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
951
$136K
952
$130K
953
$125K
954
$124K
955
$123K
956
$123K
957
$119K
958
$116K
959
$116K
960
$116K
961
$115K
962
$113K
963
$112K
964
$112K
965
$103K
966
$103K
967
$102K
968
$101K
969
$99K
970
$98K
971
$94K
972
$93K
973
$93K
974
$91K
975
$85K