13F

Position

SIMPLEX TRADING, LLC in Krystal Biotech, 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 $589$246.54$258.32

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 2025293$72.2K0.0%
Q1 202650$12.9K$258.32$589−$59.9K0.0%