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WILLIAM JOHN SEMPOLINSKI → GRAL
WILLIAM JOHN SEMPOLINSKI GRAL Position History
GRAIL, Inc. • Healthcare
Quarters held
3
Latest value
$1.9M
Q3 2026
Peak value
$1.9M
First seen
Q4 2025
Dollar value over time
Show data table
| Period | Position value |
|---|---|
| Q4 2025 | $1.5M |
| Q2 2026 | $488K |
| Q3 2026 | $1.9M |
Quarter-by-quarter history
Every disclosed snapshot of the position
| Quarter | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|
| Q3 2026 | $1.9M | 13.5K | — | — |
| Q2 2026 | $488K | 7.2K | — | — |
| Q4 2025 | $1.5M | 18.0K | — | — |