13F

Position

SIMPLEX TRADING, LLC in Fuel Tech, Inc.

Back to the book · All holders of FTEK

Estimated mark uses implied 13F prices (value ÷ shares). Adds are treated as happening at this quarter’s mark; cuts at last quarter’s. Share jumps can be splits, not buys. This is not realized P&L.

Latest estimated mark −$342$1.56$1.22

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 20253.3K$5.15K0.0%
Q1 20261K$1.22K$1.22−$342−$3.58K0.0%