Position
SIMPLEX TRADING, LLC in GRAIL, Inc.
Back to the book · All holders of GRAL
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 −$86.2K$85.59 → $51.68
| Quarter | Shares | Value | Implied px | Est. mark | Flow | Weight |
|---|---|---|---|---|---|---|
| Q4 2025 | 16.1K | $1.37M | — | — | — | 0.0% |
| Q1 2026 | 2.54K | $131.3K | $51.68 | −$86.2K | −$1.16M | 0.0% |