Position
SIMPLEX TRADING, LLC in Magnite, Inc.
Back to the book · All holders of MGNI
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 −$49.2K$16.23 → $11.88
| Quarter | Shares | Value | Implied px | Est. mark | Flow | Weight |
|---|---|---|---|---|---|---|
| Q4 2025 | 263.4K | $4.27M | — | — | — | 0.0% |
| Q1 2026 | 11.3K | $134.4K | $11.88 | −$49.2K | −$4.09M | 0.0% |