13F

Position

SIMPLEX TRADING, LLC in CytomX Therapeutics, 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 $10.6K$4.26$4.70

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 202524.1K$102.5K0.0%
Q1 2026248.4K$1.17M$4.70$10.6K$1.05M0.0%