Position
CSS LLC/IL in Ionis Pharmaceuticals Inc
Back to the book · All holders of IONS
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 $5.83M$1.39 → $75.09
| Quarter | Shares | Value | Implied px | Est. mark | Flow | Weight |
|---|---|---|---|---|---|---|
| Q4 2025 | 48.2M | $67M | — | — | — | 3.0% |
| Q1 2026 | 79.1K | $5.94M | $75.09 | $5.83M | −$66.9M | 0.3% |