13F

Position

SIMPLEX TRADING, LLC in Alcon Inc

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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 −$12.8K$78.81$75.35

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 20253.71K$292.4K0.0%
Q1 20264.31K$324.6K$75.35−$12.8K$45.1K0.0%