13F

Position

SIMPLEX TRADING, LLC in Axcelis Technologies 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 $242$80.34$93.05

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 2025237$19K0.0%
Q1 202619$1.77K$93.05$242−$17.5K0.0%