ETF Evaluator:
Thornburg Premium Income Builder ETF ()
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(as of Aug 26)
Best Performing in Global Large-Stock Blend Over the Last Year
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Risk
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Risk
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ETF Details
Thornburg Premium Income Builder ETF Overview
Thornburg Premium Income Builder ETF (THOR) is an actively managed International Equity Global Large-Stock Blend exchange-traded fund (ETF). Thornburg launched the ETF in 2026.
The investment seeks total return consisting of income and, secondarily, capital appreciation.
The fund pursues its investment goals by investing in a broad range of dividend paying equity securities, including, but not limited to, common stocks, preferred stocks, depositary receipts and publicly traded real estate investment trusts (“REITs”); and in income producing instruments of any kind. It is non-diversified.
About Thornburg Premium Income Builder ETF (THOR)
There are 2 members of the management team with an average tenure of 0.11 years: Brian McMahon (2026) and Matt Burdett (2026). Management tenure is more important for actively managed ETFs than passive index ETFs.
Thornburg Premium Income Builder ETF has 56 securities in its portfolio. The top 10 holdings constitute 32.1% of the ETF’s assets. The ETF meets the SEC requirement of being classified as a nondiversified fund. The ETF is not considered to have an ESG focus with its investment selection and management.
Thornburg Premium Income Builder ETF is part of the Equity global asset class and is within the International Equity ETF group. Thornburg Premium Income Builder ETF has 71.9% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 27.5% There is 71.9% allocated to foreign stock, and 0.0% is allocated to preferred stocks. The bond allocation as a percentage of total assets is 0.0% (0.0% domestic bond, 0.0% foreign bond and 0.0% convertible bond). Thornburg Premium Income Builder ETF has 0.6% of the portfolio in cash.
Assets Under Management
The fund has $16 million in total assets, which is below the $2 billion average for the Global Large-Stock Blend category. Normally, lower assets under management translates to higher average expense ratios, and greater total assets are desired. However, for some investment categories, such as small-cap investing, it may be difficult for the manager to fully employ the desired active strategy if assets grow too large or too quickly.
THOR Performance and Fees
The expense ratio measures how much of a fund’s assets are used for administrative expenses and operating expenses, including adviser fees and fees for the transfer agent and custodial services. The Thornburg Premium Income Builder ETF expense ratio is above average compared to funds in the Global Large-Stock Blend category. Thornburg Premium Income Builder ETF has an expense ratio of 0.79%, which is 61% higher than its category average, making the fund expense ratio grade a F. While it is difficult to predict returns, it is known that high annual expense ratios reduce your rate of return, and excessive fees are difficult to overcome. Active management normally comes with higher expense ratios than passive index management. Certain investment categories such as small company and foreign also normally have higher expense ratios. It is best to compare fund expense ratios against the category averages for meaningful assessments.
High portfolio turnover can translate to higher expenses and lower aftertax returns. Thornburg Premium Income Builder ETF has a portfolio turnover rate of 0%, which indicates that it holds its assets around /years. By way of comparison, the average portfolio turnover is 50% for the Global Large-Stock Blend category.
Recently, in the month of July 2026, Thornburg Premium Income Builder ETF returned 0.0%, which earned it a grade of NA, as the Global Large-Stock Blend category had an average return of 0.0%. The letter grades of A, B, C, D and F are based upon relative rankings within the investment category. A grade of A, for example, would indicate that the return is in the highest 20% for that time period compared to all ETFs in that category.
Thornburg Premium Income Builder ETF has a trailing yield of 0.00%, which is below the 1.66% category average.
The fund normally distributes its income quarterly and its capital gains annually.
It’s natural to seek the best-performing investments, but you must consider the relationship between risk and return and the impact of costs and taxes on your realized returns.
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THOR Trailing NAV Total Returns Data as of 7/31/26
| Last Month |
Last Quarter |
Ann'l. 1Yr |
Ann'l. 3Yr |
Ann'l. 5Yr |
Ann'l. 10Yr |
|
| THOR Return (NAV) | na | na | na | na | na | na |
| THOR Return (Price) | 4.7% | na | na | na | na | na |
| NAV +/- Price Return | na | na | na | na | na | na |
| Global Large-Stock Blend Avg | 0.0% | 3.1% | 19.1% | 15.1% | 8.5% | 11.5% |
| THOR Grade (NAV) | na | na | na | na | na | na |
| +/- Category (NAV) | na | na | na | na | na | na |
| THOR Tax-Cost Ratio | na | na | na | na | na | na |
THOR Annual NAV Total ReturnsData as of 7/31/26
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
| THOR Return (NAV) | na | na | na | na | na | na | na | na | na | na | na |
| THOR Return (Price) | na | na | na | na | na | na | na | na | na | na | na |
| NAV +/- Price Ret | na | na | na | na | na | na | na | na | na | na | na |
| Global Large-Stock Blend Avg | 9.2% | 20.4% | 13.8% | 18.7% | -17.7% | 17.3% | 18.3% | 26.8% | -9.1% | 23.4% | 8.1% |
| THOR Grade (NAV) | na | na | na | na | na | na | na | na | na | na | na |
| +/- Category | na | na | na | na | na | na | na | na | na | na | na |
| Risk Measures | |
| Beta: | na |
| R-Squared: | na |
| Standard Deviation: | na |
| Category Risk Index: | na |
| Category Risk Rating: | |
| Total Risk Index: | na |
| Total Risk Rating: | |
| Portfolio Characteristics | |
| Yield: | -- |
| Total Assets: | $ 17 Mil |
| Share Class Assets: | $ 17 Mil |
| Turnover: | na |
| Expense Ratio: | 0.79% |
| Index Fund: | No |
| Index Tracked: | N/A |
| Index Weighting: | 100% |
| Leveraged: | No |
| Socially Responsible Fund: | No |
| Capital Gains Distribution Frequency: | Annually |
| Income Distribution Frequency: | Quarterly |
Management Team
| Number of Managers: 2 | |||
| Longest Tenure: 0.1 years | |||
| Average Tenure: 0.1 years | |||
| Managers (Year): McMahon Brian (2026), Burdett Matt (2026) | |||
Portfolio Composition (as of 7/31/26)
| # of Holdings: | 56 |
| % in Top 10 Holdings: | 32.1% |
| Fund is Non-Diversified: | Yes |
| % in Foreign Issues: | 71.9% |
Portfolio Allocation |
|
| Domestic Stock: | 27.5% |
| Foreign Stock: | 71.9% |
| Preferred Stock: | 0.0% |
| Domestic Bond: | 0.0% |
| Foreign Bond: | 0.0% |
| Convertible Bond: | 0.0% |
| Other: | 0.0% |
| Cash: | 0.6% |
Purchase Information
| Legal Structure: | Open Ended Investment Company |
| Fund Family: | Thornburg |
| Phone Number: | 800-847-0200 |
| Website: | |
| Inception Date: | June 22, 2026 |
Expenses and Fees
| Expense Ratio (%): | 0.79% (Rating: Above Avg) |
| Category Average Expense Ratio (%): | 0.49% |
