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
1001
$50K
1002
$50K
1003
$46K
1004
$44K
1005
$43K
1006
$41K
1007
$41K
1008
$40K
1009
$39K
1010
$38K
1011
$38K
1012
$38K
1013
$38K
1014
$37.7K
1015
$37K
1016
$36K
1017
$36K
1018
$35K
1019
$34K
1020
$33K
1021
$33K
1022
$33K
1023
$33K
1024
$32K
1025
$32K