DI
Dumac, Inc.
13F filer · CIK 0001584258Reported Aug 11, 2026
Net buyer this quarter
13F portfolio value$1.1BU.S. long equity reported on 13F
Positions127 new · 1 closed
Net flow last quarter+$48.8MBuys minus sells
Top 10 positions weight5.1%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Aug 11, 202612 positions | |||||
| $11.8M | 1.07% | 0.00% | New | Q2 2026 | |
| $11.4M | 1.04% | 0.00% | New | Q2 2026 | |
| $9.59M | 0.87% | 0.00% | New | Q2 2026 | |
| $9.22M | 0.84% | 0.00% | New | Q2 2026 | |
| $6.86M | 0.62% | Not reported | New | Q2 2026 | |
| $2.73M | 0.25% | 0.02% | Not reported | Q1 2024 | |
| $2.16M | 0.20% | 0.00% | New | Q2 2026 | |
| $1.44M | 0.13% | Not reported | -33.0% | Q3 2023 | |
| $691K | 0.06% | 0.01% | Not reported | Q4 2016 | |
| $550K | 0.05% | 0.23% | Not reported | Q3 2023 | |
| $491K | 0.04% | 0.03% | Not reported | Q1 2021 | |
| $72.5K | 0.01% | 0.12% | Not reported | Q4 2025 | |
| Q1 2026Reported May 1, 20266 positions | |||||
| $2.44M | 0.30% | 0.01% | Not reported | Q4 2018 | |
| $2.33M | 0.28% | 0.02% | Not reported | Q1 2024 | |
| $1.5M | 0.18% | Not reported | Not reported | Q3 2023 | |
| $502K | 0.06% | 0.03% | Not reported | Q1 2021 | |
| $372K | 0.05% | 0.23% | Not reported | Q3 2023 | |
| $77.9K | 0.01% | 0.12% | Not reported | Q4 2025 | |
| Q4 2025Reported Feb 10, 20267 positions | |||||
| $3.31M | 0.51% | Not reported | Not reported | Q3 2023 | |
| $2.46M | 0.38% | 0.02% | Not reported | Q1 2024 | |
| $2.02M | 0.31% | 0.01% | Not reported | Q4 2018 | |
| $836K | 0.13% | 0.03% | Not reported | Q2 2022 | |
| $447K | 0.07% | 0.03% | Not reported | Q1 2021 | |
| $421K | 0.06% | 0.23% | -5.1% | Q3 2023 | |
| $123K | 0.02% | 0.12% | New | Q4 2025 | |
| Q2 2025Reported Aug 4, 20256 positions | |||||
| $3.96M | 24.84% | Not reported | Not reported | Q3 2023 | |
| $2.67M | 16.80% | 0.02% | Not reported | Q1 2024 | |
| $1.72M | 10.79% | 0.01% | Not reported | Q4 2018 | |
| $623K | 3.91% | 0.03% | Not reported | Q2 2022 | |
| $572K | 3.59% | 0.24% | -49.1% | Q3 2023 | |
| $480K | 3.02% | 0.03% | Not reported | Q1 2021 | |
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