Position
Alpha Zero LLC in BlackRock, Inc.
Back to the book · All holders of BLK
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 −$46.6K$1,070.34 → $961.71
| Quarter | Shares | Value | Implied px | Est. mark | Flow | Weight |
|---|---|---|---|---|---|---|
| Q4 2025 | 429 | $459.2K | — | — | — | 0.3% |
| Q1 2026 | 469 | $451K | $961.71 | −$46.6K | $38.5K | 0.2% |