Position
Pfizer Inc in Spero Therapeutics, Inc.
Back to the book · All holders of SPRO
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 $0$2.33 → $2.33
| Quarter | Shares | Value | Implied px | Est. mark | Flow | Weight |
|---|---|---|---|---|---|---|
| Q4 2025 | 2.36M | $5.5M | — | — | — | 2.3% |
| Q1 2026 | 2.36M | $5.5M | $2.33 | $0 | $0 | 2.3% |