13F

Position

SIMPLEX TRADING, LLC in Group 1 Automotive 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 −$125$393.00$330.63

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 20252$7860.0%
Q1 2026176$58.2K$330.63−$125$57.5K0.0%