13F

Position

SIMPLEX TRADING, LLC in Trade Desk, 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 −$298.3K$37.96$22.69

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 202519.5K$741.7K0.0%
Q1 2026126.5K$2.87M$22.69−$298.3K$2.43M0.0%