13F

Position

SIMPLEX TRADING, LLC in Aclaris 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 $8.3K$3.01$3.75

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 202516.7K$50.2K0.0%
Q1 202611.2K$42.1K$3.75$8.3K−$16.4K0.0%