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WILLIAM JOHN SEMPOLINSKI
hedge fundUpdated 16 days agoManaged by William John Sempolinski • Latest filing Q3 2026
Portfolio value
$258.9M
Q3 2026
Filings
4
Quarterly 13F history
Top-10 concentration
100.0%
Weight of largest holdings
Annualized return
38.1%
Implied from 13F holdings
Portfolio value history
13F-disclosed portfolio value over 4 quarters
Show data table
| Period | Portfolio value |
|---|---|
| Q4 2025 | $203.2M |
| Q1 2026 | $199.2M |
| Q2 2026 | $247.7M |
| Q3 2026 | $258.9M |
Top holdings
104 positions as of Q3 2026
| # | Stock | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|---|
| 1 | $56.4M | 246.9K | 21.78% | Trimmed(-2.0%) | |
| 2 | $25.8M | 77.4K | 9.96% | Added(+1.1%) | |
| 3 | ? N/A T ROWE PRICE EXCHANGE-TRADED | $17.1M | 344.1K | 6.59% | Added(+9.1%) |
| 4 | $10M | 205.3K | 3.88% | Added(+7.1%) | |
| 5 | $9.6M | 95.1K | 3.70% | Added(+16.2%) | |
| 6 | $7.6M | 22.0K | 2.93% | Added(+2.4%) | |
| 7 | $6.5M | 25.9K | 2.50% | Trimmed(-0.8%) | |
| 8 | $6.2M | 12.1K | 2.40% | Trimmed(-9.2%) | |
| 9 | $5.5M | 24.5K | 2.11% | Added(+2.2%) | |
| 10 | $4.4M | 41.2K | 1.68% | Trimmed(-0.7%) | |
| 11 | $4.1M | 19.9K | 1.59% | Trimmed(-0.2%) | |
| 12 | $4.1M | 96.4K | 1.57% | Added(+24.5%) | |
| 13 | $3.9M | 6.5K | 1.52% | Trimmed(-17.8%) | |
| 14 | $3.9M | 5.4K | 1.52% | Trimmed(-1.8%) | |
| 15 | $3.6M | 20.3K | 1.39% | Added(+4.3%) | |
| 16 | $3.6M | 6.3K | 1.38% | Trimmed(-20.4%) | |
| 17 | $3.6M | 109.7K | 1.38% | Added(+913.7%) | |
| 18 | $3.2M | 59.5K | 1.24% | Trimmed(-0.7%) | |
| 19 | $3.2M | 64.5K | 1.24% | — | |
| 20 | ? N/A AMERICAN CENTY ETF TR | $3.1M | 33.1K | 1.20% | Added(+6.8%) |