13F

Position

SIMPLEX TRADING, LLC in Avista Corp

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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 $1.25K$38.54$40.14

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 20252.6K$100K0.0%
Q1 2026780$31.3K$40.14$1.25K−$70K0.0%