13F

Position

SIMPLEX TRADING, LLC in Pyxis Oncology, 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 $78$1.15$1.46

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 20259.79K$11.3K0.0%
Q1 2026253$369$1.46$78−$11K0.0%