13F

Position

SIMPLEX TRADING, LLC in Rmr Group 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 $727$14.90$15.47

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 20251.69K$25.2K0.0%
Q1 20261.27K$19.7K$15.47$727−$6.21K0.0%