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William Mack & Associates, Inc.
hedge fundUpdated 9 days agoManaged by William Mack & Associates, Inc. • Latest filing Q3 2026
Portfolio value
$319.3M
Q3 2026
Filings
8
Quarterly 13F history
Top-10 concentration
100.0%
Weight of largest holdings
Annualized return
99.3%
Implied from 13F holdings
Portfolio value history
13F-disclosed portfolio value over 8 quarters
Show data table
| Period | Portfolio value |
|---|---|
| Q4 2024 | $95.5M |
| Q1 2025 | $116.8M |
| Q2 2025 | $157.4M |
| Q3 2025 | $185.9M |
| Q4 2025 | $212.5M |
| Q1 2026 | $174.9M |
| Q2 2026 | $283.7M |
| Q3 2026 | $319.3M |
Top holdings
875 positions as of Q3 2026
| # | Stock | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|---|
| 1 | $49.8M | 645.3K | 15.61% | Added(+5.7%) | |
| 2 | $46.9M | 664.9K | 14.71% | Added(+11.4%) | |
| 3 | $41.2M | 525.6K | 12.91% | Added(+5.9%) | |
| 4 | ? N/A DIMENSIONAL ETF TRUST | $27.5M | 634.6K | 8.60% | Added(+7.8%) |
| 5 | $17.8M | 331.5K | 5.58% | Added(+14.7%) | |
| 6 | $12.7M | 354.4K | 3.99% | Trimmed(-6.7%) | |
| 7 | $10.3M | 101.9K | 3.23% | Trimmed(-14.9%) | |
| 8 | $10.3M | 30.8K | 3.22% | Trimmed(-12.8%) | |
| 9 | $5.9M | 11.6K | 1.86% | Added(+0.8%) | |
| 10 | $4.4M | 98.7K | 1.39% | Added(+95.5%) | |
| 11 | $3.4M | 9.7K | 1.07% | Added(+0.0%) | |
| 12 | $3.3M | 69.6K | 1.03% | Trimmed(-0.9%) | |
| 13 | $2.7M | 101.4K | 0.85% | Added(+11.7%) | |
| 14 | $2.7M | 10.8K | 0.84% | Trimmed(-1.1%) | |
| 15 | $2.5M | 7.2K | 0.78% | Added(+2.0%) | |
| 16 | $2.3M | 3.3K | 0.73% | Added(+0.6%) | |
| 17 | $2.1M | 5.8K | 0.64% | Trimmed(-3.4%) | |
| 18 | $2M | 11.2K | 0.64% | Added(+0.1%) | |
| 19 | ? N/A DFA INVT DIMENSIONS GROUP IN | $2M | 53.8K | 0.63% | — |
| 20 | $1.9M | 8.4K | 0.60% | Added(+21.1%) |