Position
Squarepoint Ops LLC in Sionna Therapeutics, Inc.
Back to the book · All holders of SION
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 −$16K$41.14 → $40.09
| Quarter | Shares | Value | Implied px | Est. mark | Flow | Weight |
|---|---|---|---|---|---|---|
| Q4 2025 | 16.4K | $673K | — | — | — | 0.0% |
| Q1 2026 | 15.2K | $610K | $40.09 | −$16K | −$47K | 0.0% |