WM
William Mack & Associates, Inc.
13F filer · CIK 0002096700Reported Jul 10, 2026
Net buyer this quarter
13F portfolio value$284MU.S. long equity reported on 13F
Positions5320 new · 2 closed
Net flow last quarter+$19.4MBuys minus sells
Top 10 positions weight15.0%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Jul 10, 202653 positions | |||||
| $15.3M | 5.38% | Not reported | +61.8% | Q4 2024 | |
| $10.2M | 3.61% | 0.00% | +16.5% | Q4 2024 | |
| $4.29M | 1.51% | 0.00% | +22.7% | Q4 2024 | |
| $2.6M | 0.92% | 0.00% | +75.9% | Q4 2024 | |
| $2.52M | 0.89% | 0.00% | +41.4% | Q4 2024 | |
| $2.52M | 0.89% | 0.00% | +9.2% | Q4 2024 | |
| $1.39M | 0.49% | 0.00% | +1.5% | Q1 2026 | |
| $1.38M | 0.49% | 0.00% | +49.6% | Q4 2024 | |
| $1.22M | 0.43% | 0.00% | +50.6% | Q4 2024 | |
| $1.1M | 0.39% | Not reported | +14.6% | Q4 2024 | |
| $997K | 0.35% | Not reported | +16.3% | Q4 2024 | |
| $971K | 0.34% | 0.01% | +0.2% | Q2 2025 | |
| $906K | 0.32% | Not reported | +71.0% | Q4 2024 | |
| $779K | 0.27% | 0.00% | Not reported | Q1 2026 | |
| $727K | 0.26% | Not reported | +9.7% | Q4 2024 | |
| $719K | 0.25% | Not reported | +100.6% | Q2 2025 | |
| $703K | 0.25% | 0.00% | +34.8% | Q4 2024 | |
| $616K | 0.22% | 0.00% | New | Q2 2026 | |
| $528K | 0.19% | Not reported | +150.5% | Q3 2025 | |
| $471K | 0.17% | 0.00% | +20.6% | Q4 2024 | |
| $462K | 0.16% | 0.00% | +3.2% | Q3 2025 | |
| $429K | 0.15% | 0.00% | +0.9% | Q4 2024 | |
| $418K | 0.15% | 0.00% | New | Q2 2026 | |
| $416K | 0.15% | 0.00% | New | Q2 2026 | |
| $398K | 0.14% | 0.00% | +14.8% | Q4 2024 | |
| $373K | 0.13% | 0.00% | Not reported | Q1 2025 | |
| $364K | 0.13% | 0.00% | +13.9% | Q4 2024 | |
| $341K | 0.12% | 0.00% | +36.0% | Q4 2024 | |
| $332K | 0.12% | 0.00% | +0.6% | Q4 2024 | |
| $330K | 0.12% | 0.00% | New | Q2 2026 | |
| $317K | 0.11% | 0.00% | New | Q2 2026 | |
| $313K | 0.11% | 0.00% | -5.8% | Q4 2024 | |
| $311K | 0.11% | 0.00% | -2.7% | Q2 2025 | |
| $308K | 0.11% | 0.00% | Not reported | Q4 2024 | |
| $308K | 0.11% | 0.00% | Not reported | Q1 2025 | |
| $306K | 0.11% | 0.00% | +27.7% | Q4 2024 | |
| $303K | 0.11% | Not reported | Not reported | Q4 2024 | |
| $296K | 0.10% | Not reported | Not reported | Q4 2024 | |
| $295K | 0.10% | 0.00% | +0.7% | Q4 2024 | |
| $280K | 0.10% | 0.00% | +16.0% | Q2 2025 | |
| $280K | 0.10% | 0.00% | -34.6% | Q4 2024 | |
| $275K | 0.10% | 0.00% | Not reported | Q3 2025 | |
| $258K | 0.09% | 0.00% | New | Q2 2026 | |
| $254K | 0.09% | 0.00% | Not reported | Q4 2024 | |
| $246K | 0.09% | 0.00% | Not reported | Q4 2024 | |
| $246K | 0.09% | 0.00% | New | Q2 2026 | |
| $244K | 0.09% | 0.00% | Not reported | Q3 2025 | |
| $231K | 0.08% | 0.00% | Not reported | Q4 2024 | |
| $227K | 0.08% | 0.00% | Not reported | Q3 2025 | |
| $219K | 0.08% | 0.00% | +2.0% | Q1 2025 | |
| Q1 2026Reported Apr 14, 202635 positions | |||||
| $8.74M | 5.00% | Not reported | +0.9% | Q4 2024 | |
| $7.7M | 4.40% | 0.00% | -11.6% | Q4 2024 | |
| $3.47M | 1.99% | 0.00% | -7.4% | Q4 2024 | |
| $2.18M | 1.25% | 0.00% | New | Q1 2026 | |
| $1.86M | 1.06% | 0.00% | -9.7% | Q4 2024 | |
| $1.58M | 0.90% | 0.00% | -4.8% | Q4 2024 | |
| $1.29M | 0.74% | 0.00% | -43.5% | Q4 2024 | |
| $974K | 0.56% | 0.01% | Not reported | Q2 2025 | |
| $871K | 0.50% | Not reported | -3.4% | Q4 2024 | |
| $837K | 0.48% | Not reported | -5.2% | Q4 2024 | |
| $805K | 0.46% | 0.00% | -15.1% | Q4 2024 | |
| $726K | 0.42% | 0.00% | -31.6% | Q4 2024 | |
| $576K | 0.33% | 0.00% | +28.1% | Q4 2024 | |
| $575K | 0.33% | Not reported | +1.9% | Q4 2024 | |
| $501K | 0.29% | 0.00% | -26.1% | Q4 2024 | |
| $462K | 0.26% | 0.00% | -2.3% | Q4 2024 | |
| $444K | 0.25% | 0.00% | -14.6% | Q4 2024 | |
| $430K | 0.25% | Not reported | -18.0% | Q4 2024 | |
| $415K | 0.24% | 0.00% | -34.3% | Q4 2024 | |
| $366K | 0.21% | 0.00% | +0.3% | Q4 2024 | |
| $347K | 0.20% | 0.00% | -33.3% | Q4 2024 | |
| $345K | 0.20% | Not reported | -22.4% | Q4 2024 | |
| $324K | 0.19% | 0.00% | -5.3% | Q4 2024 | |
| $317K | 0.18% | 0.00% | +11.0% | Q3 2025 | |
| $299K | 0.17% | 0.00% | -1.9% | Q4 2024 | |
| $298K | 0.17% | 0.00% | Not reported | Q4 2024 | |
| $282K | 0.16% | 0.00% | -13.8% | Q2 2025 | |
| $281K | 0.16% | Not reported | -29.3% | Q2 2025 | |
| $257K | 0.15% | 0.00% | -1.9% | Q1 2025 | |
| $255K | 0.15% | 0.00% | -1.5% | Q4 2024 | |
| $230K | 0.13% | 0.00% | -26.7% | Q4 2024 | |
| $228K | 0.13% | 0.00% | New | Q1 2026 | |
| $225K | 0.13% | 0.00% | -5.9% | Q4 2024 | |
| $211K | 0.12% | 0.00% | -10.4% | Q2 2025 | |
| $210K | 0.12% | Not reported | -45.1% | Q3 2025 | |
| Q4 2025Reported Feb 9, 202644 positions | |||||
| $9.33M | 4.39% | 0.00% | -7.5% | Q4 2024 | |
| $8M | 3.77% | Not reported | +45.7% | Q4 2024 | |
| $4.9M | 2.31% | 0.00% | -9.1% | Q4 2024 | |
| $2.53M | 1.19% | 0.00% | +0.6% | Q4 2024 | |
| $2.24M | 1.05% | 0.00% | +1.7% | Q4 2024 | |
| $2.01M | 0.94% | 0.00% | -3.7% | Q4 2024 | |
| $1.16M | 0.55% | 0.00% | -0.9% | Q4 2024 | |
| $1.04M | 0.49% | Not reported | Not reported | Q4 2024 | |
| $1.01M | 0.48% | 0.00% | +0.8% | Q4 2024 | |
| $926K | 0.44% | Not reported | +5.4% | Q4 2024 | |
| $779K | 0.37% | 0.01% | +0.2% | Q2 2025 | |
| $614K | 0.29% | 0.00% | -4.0% | Q4 2024 | |
| $598K | 0.28% | Not reported | +12.8% | Q4 2024 | |
| $597K | 0.28% | 0.00% | Not reported | Q4 2024 | |
| $574K | 0.27% | Not reported | +2.0% | Q4 2024 | |
| $556K | 0.26% | 0.00% | -0.4% | Q4 2024 | |
| $466K | 0.22% | Not reported | -2.2% | Q4 2024 | |
| $448K | 0.21% | 0.00% | +2.6% | Q4 2024 | |
| $439K | 0.21% | 0.00% | +18.5% | Q4 2024 | |
| $429K | 0.20% | Not reported | +13.0% | Q2 2025 | |
| $423K | 0.20% | Not reported | -6.0% | Q2 2025 | |
| $405K | 0.19% | 0.00% | +0.3% | Q4 2024 | |
| $389K | 0.18% | 0.00% | +1.6% | Q4 2024 | |
| $383K | 0.18% | Not reported | +24.1% | Q3 2025 | |
| $340K | 0.16% | 0.00% | Not reported | Q4 2024 | |
| $312K | 0.15% | 0.00% | -2.2% | Q4 2024 | |
| $309K | 0.15% | 0.00% | Not reported | Q4 2024 | |
| $303K | 0.14% | 0.00% | +15.8% | Q1 2025 | |
| $301K | 0.14% | 0.00% | +2.0% | Q2 2025 | |
| $279K | 0.13% | 0.00% | Not reported | Q4 2024 | |
| $279K | 0.13% | Not reported | Not reported | Q4 2024 | |
| $273K | 0.13% | 0.00% | -3.4% | Q4 2024 | |
| $268K | 0.13% | 0.00% | +0.2% | Q4 2024 | |
| $260K | 0.12% | Not reported | Not reported | Q4 2024 | |
| $256K | 0.12% | 0.00% | Not reported | Q3 2025 | |
| $252K | 0.12% | 0.00% | -5.4% | Q4 2024 | |
| $241K | 0.11% | 0.00% | +8.2% | Q3 2025 | |
| $238K | 0.11% | 0.00% | +0.5% | Q4 2024 | |
| $234K | 0.11% | 0.00% | -3.7% | Q2 2025 | |
| $232K | 0.11% | 0.00% | Not reported | Q1 2025 | |
| $225K | 0.11% | 0.00% | -3.0% | Q4 2024 | |
| $221K | 0.10% | 0.00% | Not reported | Q1 2025 | |
| $218K | 0.10% | 0.00% | Not reported | Q3 2025 | |
| $206K | 0.10% | Not reported | New | Q4 2025 | |
| Q3 2025Reported Nov 14, 202545 positions | |||||
| $9.45M | 5.08% | 0.00% | -1.7% | Q4 2024 | |
| $5.77M | 3.10% | 0.00% | -0.4% | Q4 2024 | |
| $5.22M | 2.81% | Not reported | +85.2% | Q4 2024 | |
| $2.39M | 1.29% | 0.00% | +48.3% | Q4 2024 | |
| $2.06M | 1.11% | 0.00% | -14.8% | Q4 2024 | |
| $1.71M | 0.92% | 0.00% | -4.8% | Q4 2024 | |
| $1.16M | 0.62% | Not reported | Not reported | Q4 2024 | |
| $1.15M | 0.62% | 0.00% | -3.9% | Q4 2024 | |
| $1.01M | 0.54% | 0.00% | +5.2% | Q4 2024 | |
| $858K | 0.46% | Not reported | -0.6% | Q4 2024 | |
| $655K | 0.35% | 0.00% | Not reported | Q4 2024 | |
| $644K | 0.35% | 0.00% | +0.1% | Q4 2024 | |
| $594K | 0.32% | 0.01% | +0.2% | Q2 2025 | |
| $587K | 0.32% | 0.00% | -0.1% | Q4 2024 | |
| $517K | 0.28% | Not reported | +1.3% | Q4 2024 | |
| $476K | 0.26% | Not reported | -1.2% | Q4 2024 | |
| $474K | 0.25% | 0.00% | Not reported | Q4 2024 | |
| $460K | 0.25% | 0.00% | +0.3% | Q4 2024 | |
| $440K | 0.24% | Not reported | +5.8% | Q2 2025 | |
| $437K | 0.24% | Not reported | Not reported | Q4 2024 | |
| $409K | 0.22% | 0.00% | +0.2% | Q4 2024 | |
| $381K | 0.20% | Not reported | Not reported | Q2 2025 | |
| $376K | 0.20% | 0.00% | -6.4% | Q4 2024 | |
| $349K | 0.19% | 0.00% | -2.1% | Q4 2024 | |
| $317K | 0.17% | 0.00% | Not reported | Q4 2024 | |
| $309K | 0.17% | Not reported | New | Q3 2025 | |
| $293K | 0.16% | Not reported | -2.6% | Q4 2024 | |
| $282K | 0.15% | 0.00% | -1.0% | Q4 2024 | |
| $273K | 0.15% | 0.00% | +0.2% | Q4 2024 | |
| $267K | 0.14% | 0.00% | Not reported | Q4 2024 | |
| $265K | 0.14% | 0.00% | Not reported | Q2 2025 | |
| $264K | 0.14% | 0.00% | Not reported | Q4 2024 | |
| $260K | 0.14% | 0.00% | -2.6% | Q4 2024 | |
| $257K | 0.14% | Not reported | Not reported | Q4 2024 | |
| $248K | 0.13% | 0.00% | -2.9% | Q4 2024 | |
| $239K | 0.13% | 0.00% | -8.6% | Q2 2025 | |
| $236K | 0.13% | 0.00% | New | Q3 2025 | |
| $234K | 0.13% | 0.00% | Not reported | Q1 2025 | |
| $226K | 0.12% | 0.00% | New | Q3 2025 | |
| $225K | 0.12% | 0.00% | 0.0% | Q4 2024 | |
| $224K | 0.12% | 0.00% | Not reported | Q1 2025 | |
| $216K | 0.12% | 0.00% | -1.5% | Q2 2025 | |
| $207K | 0.11% | 0.00% | Not reported | Q4 2024 | |
| $205K | 0.11% | 0.00% | New | Q3 2025 | |
| $202K | 0.11% | 0.00% | New | Q3 2025 | |
Premium opens every quarter this fund has filed