Dumac, Inc. reported 12 positions worth $57.00M for the quarter ended Jun 30, 2026, up 688.7% on the prior quarter. It opened 7 new positions, added to 0, trimmed 1 and exited 1. Its largest holding is Nvidia Corp at 20.7% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| NVDA Nvidia Corp | +58.9K | – | $11.78M | 20.67% |
| GOOGL Alphabet Inc. | +31.9K | – | $11.41M | 20.02% |
| MSFT Microsoft Corp | +25.7K | – | $9.59M | 16.82% |
| AMZN Amazon Com Inc | +38.7K | – | $9.22M | 16.17% |
| META Meta Platforms, Inc. | +12.2K | – | $6.86M | 12.04% |
| TSLA Tesla, Inc. | +5,146 | – | $2.16M | 3.8% |
| SKM Sk Telecom Co Ltd | +21.5K | – | $691.44K | 1.21% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| NVDA Nvidia Corp | +58.9K | $11.78M | 20.67% |
| GOOGL Alphabet Inc. | +31.9K | $11.41M | 20.02% |
| MSFT Microsoft Corp | +25.7K | $9.59M | 16.82% |
| AMZN Amazon Com Inc | +38.7K | $9.22M | 16.17% |
| META Meta Platforms, Inc. | +12.2K | $6.86M | 12.04% |
| TSLA Tesla, Inc. | +5,146 | $2.16M | 3.8% |
| SKM Sk Telecom Co Ltd | +21.5K | $691.44K | 1.21% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| ZTO ZTO Express (Cayman) Inc. | -96.8K | $2.44M | 33.71% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | NVDA Nvidia Corp | Technology | 58.9K | $11.78M | 20.67% | +58.9K | – | New | 0% |
| 2 | GOOGL Alphabet Inc. | Technology | 31.9K | $11.41M | 20.02% | +31.9K | – | New | 0% |
| 3 | MSFT Microsoft Corp | Technology | 25.7K | $9.59M | 16.82% | +25.7K | – | New | 0% |
| 4 | AMZN Amazon Com Inc | Consumer Discretionary | 38.7K | $9.22M | 16.17% | +38.7K | – | New | 0% |
| 5 | META Meta Platforms, Inc. | Technology | 12.2K | $6.86M | 12.04% | +12.2K | – | New | 0% |
| 6 | KSPI Joint Stock Co Kaspi.kz | Financial Services | 31.5K | $2.73M | 4.79% | 0 | 0.0% | Unchanged | 0.02% |
| 7 | TSLA Tesla, Inc. | Consumer Discretionary | 5,146 | $2.16M | 3.8% | +5,146 | – | New | 0% |
| 8 | MMYT MakeMyTrip Ltd | Technology | 27.0K | $1.44M | 2.53% | -13.3K | -33.0% | Reduced | 0.03% |
| 9 | SKM Sk Telecom Co Ltd | Communication Services | 21.5K | $691.44K | 1.21% | +21.5K | – | New | 0.05% |
| 10 | SGMT Sagimet Biosciences Inc. | Healthcare | 71.2K | $550.31K | 0.965% | 0 | 0.0% | Unchanged | 0.12% |
| 11 | ARCO Arcos Dorados Holdings Inc. | Consumer Discretionary | 60.9K | $490.51K | 0.861% | 0 | 0.0% | Unchanged | 0.03% |
| 12 | NEXM NexMetals Mining Corp. | Basic Materials | 43.2K | $72.53K | 0.127% | 0 | 0.0% | Unchanged | 0.12% |
Tip. Select a row to see that position’s full history at Dumac.
As of its Q2 2026 13F filing, Dumac, Inc.’s five largest positions were Nvidia Corp (NVDA) at 20.7%, Alphabet Inc. (GOOGL) at 20.0%, Microsoft Corp (MSFT) at 16.8%, Amazon Com Inc (AMZN) at 16.2%, Meta Platforms, Inc. (META) at 12.0% of the reported portfolio.
Dumac, Inc. reported a 13F portfolio worth $57.00M across 12 positions for Q2 2026. That is up 688.7% from the previous quarter.
Its largest purchases by value were Nvidia Corp ($11.78M), Alphabet Inc. ($11.41M), Microsoft Corp ($9.59M). It opened 7 new positions.
Its largest sales by value were ZTO Express (Cayman) Inc. ($2.44M), MakeMyTrip Ltd ($709.61K). It exited 1 positions entirely.
From the Form 13F-HR reports Dumac, Inc. files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.