Dumac, Inc. holds a concentrated book of 16 stocks worth $1.1B as of Q2 2026 (disclosed Aug 11, 2026, a ~42-day 13F lag). This quarter they opened Nvidia Corp and trimmed Makemytrip Ltd. Their largest long position is Vanguard S&P 500 ETF at 76% of the equity book.
Top-heavy: concentrated book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
5% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Other tracked managers holding the same core names as Dumac, Inc.
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| MORGAN STANLEY | 21 / 16 | $228.9B |
| BANK OF AMERICA CORP /DE/ | 21 / 16 | $132.6B |
| ROYAL BANK OF CANADA | 21 / 16 | $61.3B |
| UBS Group AG | 21 / 16 | $51.5B |
| BlackRock, Inc. | 20 / 16 | $1.0T |
| JPMORGAN CHASE & CO | 20 / 16 | $232.6B |
| GOLDMAN SACHS GROUP INC | 20 / 16 | $116.1B |
| WELLS FARGO & COMPANY/MN | 20 / 16 | $48.5B |
Ranked by how many of Dumac, Inc.'s top 16 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Vanguard Index FDS S&P 500 ETF SHS | $840.3M | 1.22M | 76.4% | ▲+16% Added · +167K sh | |
| 2 | Schwab Strategic TR US REIT ETF | $187.8M | 7.93M | 17.1% | —Held | |
| 3 | Nvidia Corporation COM | $11.8M | 58.9K | 1.1% | ▲New New position | |
| 4 | Alphabet Inc CAP STK CL A | $11.4M | 31.9K | 1.0% | ▲New New position | |
| 5 | Ishares TR MSCI INDIA ETF | $10.0M | 202.0K | 0.9% | —Held | |
| 6 | Microsoft Corp COM | $9.6M | 25.7K | 0.9% | ▲New New position | |
| 7 | Amazon Com Inc COM | $9.2M | 38.7K | 0.8% | ▲New New position | |
| 8 | Meta Platforms Inc CL A | $6.9M | 12.2K | 0.6% | ▲New New position | |
| 9 | Ishares Inc MSCI CHILE ETF | $5.4M | 137.0K | 0.5% | ▲+180% Added · +88K sh | |
| 10 | Kaspi KZ JSC SPONSORED ADS | $2.7M | 31.5K | 0.2% | —Held | |
| 11 | Tesla Inc COM | $2.2M | 5.1K | 0.2% | ▲New New position | |
| 12 | Makemytrip Limited Mauritius SHS | $1.4M | 27.0K | 0.1% | ▼−33% Reduced · −13K sh | |
| 13 | SK Telecom Co Ltd SPONSORED ADR | $691K | 21.5K | 0.1% | ▲New New position | |
| 14 | Sagimet Biosciences Inc COM SER A | $550K | 71.2K | 0.1% | —Held | |
| 15 | Arcos Dorados Hldgs Inc SHS CLASS -A - | $491K | 60.9K | 0.0% | —Held | |
| 16 | Nexmetals Mining Corp. COM NEW | $73K | 43.2K | 0.0% | —Held |
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1584258/holdings"
Use Arkolith to show DUMAC, INC.'s latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Aug 11, 2026 | 16 | $1.1B | 13F-HR |
| Q1 2026 | Mar 31, 2026 | May 1, 2026 | 10 | $820.4M | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 10, 2026 | 10 | $651.0M | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 4, 2025 | 7 | $15.9M | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 15, 2025 | 9 | $25.1M | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 14, 2025 | 10 | $64.8M | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2024 | 10 | $30.8M | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Aug 14, 2024 | 11 | $31.3M | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.