13F

Position

SIMPLEX TRADING, LLC in Argenx SE

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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 −$83K$840.95$730.25

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 2025750$630.7K0.0%
Q1 20261.77K$1.29M$730.25−$83K$745.6K0.0%