Position
CSS LLC/IL in Western Digital Corp
Back to the book · All holders of WDC
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 $2.5M$172.27 → $270.49
| Quarter | Shares | Value | Implied px | Est. mark | Flow | Weight |
|---|---|---|---|---|---|---|
| Q4 2025 | 39.8K | $6.86M | — | — | — | 0.3% |
| Q1 2026 | 25.4K | $6.88M | $270.49 | $2.5M | −$2.48M | 0.3% |