13F

Position

Stembrook Asset Management, LLC in Automatic Data Processing In

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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 −$54.8K$257.23$203.18

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 20251.01K$260.6K0.2%
Q1 20261.01K$205.8K$203.18−$54.8K$00.2%