Position
SIMPLEX TRADING, LLC in Geron Corp
Back to the book · All holders of GERN
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 $5.88K$1.32 → $1.49
| Quarter | Shares | Value | Implied px | Est. mark | Flow | Weight |
|---|---|---|---|---|---|---|
| Q4 2025 | 34.6K | $45.7K | — | — | — | 0.0% |
| Q1 2026 | 119K | $177.3K | $1.49 | $5.88K | $125.8K | 0.0% |