Position
Squarepoint Ops LLC in Alnylam Pharmaceuticals, Inc.
Back to the book · All holders of ALNY
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 −$23.4M$397.65 → $330.87
| Quarter | Shares | Value | Implied px | Est. mark | Flow | Weight |
|---|---|---|---|---|---|---|
| Q4 2025 | 351K | $139.6M | — | — | — | 0.1% |
| Q1 2026 | 426.7K | $141.2M | $330.87 | −$23.4M | $25.1M | 0.2% |