Position
CERTUITY, 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 −$54.5K$1,071.77 → $956.09
| Quarter | Shares | Value | Implied px | Est. mark | Flow | Weight |
|---|---|---|---|---|---|---|
| Q4 2025 | 560 | $600.2K | — | — | — | 0.0% |
| Q1 2026 | 471 | $450.3K | $956.09 | −$54.5K | −$95.4K | 0.0% |