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THOR ETF: What Is It? A Complete Guide to Returns, Fees, Holdings, and Alternative ETFs

Updated August 18, 2026 · First published August 18, 2026

The Thornburg Premium Income Builder ETF, or THOR ETF, is an actively managed product that combines global dividend-oriented stocks with option selling. The key to forming an outlook is weighing the balance between income focus and total return, overseas and currency exposure, and the possibility that the option strategy caps returns.

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What Is the Thornburg Premium Income Builder ETF?

The THOR ETF is an actively managed ETF that uses global dividend-oriented stocks and income-generating tools to pursue both income and capital growth. It references the MSCI World Index as a benchmark for comparison, but it does not replicate the index's performance.

It suits investors who want to understand the characteristics of a structure built on global dividend stocks and option use, and who want to look over the long term at the balance between total return and volatility management rather than at distribution history.

It is an ETF with an active management approach run by Thornburg Investment Management.

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How Does the Thornburg Premium Income Builder ETF Invest?

ItemDetails
Reference IndexMSCI World Index
Management StyleActive security selection
Rebalancing FrequencyAdjusted at the manager's discretion
Distribution FrequencyNo distribution history
Total Expense Ratio0.79%
Asset ManagerThornburg Investment Management
Product TypeGlobal equity ETF

The THOR ETF conducts stock and industry analysis on dividend-oriented global equities and a variety of income-generating tools, and it uses option selling strategies depending on market conditions. Rather than mechanically following index weights, it builds its portfolio through the manager's judgment, and both option premium income and changes in underlying asset prices are reflected in results.

  • A combination of global dividend-oriented stocks and option use
  • Active management that emphasizes stock and industry analysis over index replication
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Thornburg Premium Income Builder ETF Size and Costs (AUM and Management Fee)

Assets under management (AUM) stand at $43.3M, and the total expense ratio is 0.79% per year.

To compare the THOR ETF's management fee and trading conditions directly with other global income ETFs of the same type, investors should first consider that comparable peer product data is limited. It is more appropriate to check the active management structure, the use of options, and the gap between market price and net asset value, rather than distribution history.

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Thornburg Premium Income Builder ETF Performance and Trends

1-Year Price Performance
Dividend & Yield
Dividend Yield 0.42%
Annual Dividend (TTM) $0.11
Next Ex-Dividend Date 9/17/2026
52-Week Price Range
$26
Low $25 High $29
vs. low +4.53% vs. high -11.59%

The THOR ETF's performance can be affected by several variables, including the global dividend stock environment, option premium conditions, and exchange rates. Because movements in share price and net asset value can differ by market phase, it is hard to judge long-term characteristics from a short observation period alone.

As a micro-cap-sized ETF, the THOR ETF may see its assets under management and trading participation change with market conditions, and in periods of insufficient trading volume, bid-ask spreads and the gap between market price and net asset value can widen. Fund flows can vary depending on preference for global dividend stocks, volatility, and option premium conditions.

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Thornburg Premium Income Builder ETF Pros and Cons

Global dividend-oriented stocks and option use can diversify income sources, but the option and overseas investment structure affects both returns and volatility.

💪 Key Strengths

Diversified Income Sources
It can use dividend-oriented stocks and option premium income together, a structure intended to reduce reliance on a single source of return.
Global Opportunity Exploration
Because it can look at both US and overseas companies, stock selection need not lean toward the conditions of any single country.
Manager Discretion
Rather than replicating only an index's composition, it can adjust its investments to reflect company and industry analysis.

⚠️ Points of Caution

Capped Option Returns
Option selling can contribute premium income, but it may limit participation in gains when the underlying assets rise.
Overseas and Currency Exposure
It may be exposed to foreign issuers and currencies, so exchange rate swings, regional policy changes, and liquidity conditions can affect performance.
Concentration and New Structure
Non-diversified management and a limited track record can increase sensitivity to individual stock movements and changes in trading conditions.
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Thornburg Premium Income Builder ETF Alternative ETFs and Related Products

The THOR ETF is an active structure that combines global dividend-oriented stocks with option selling, so it is difficult to compare simply with ETFs that track a single index. No permitted comparison candidates were provided in the input metadata, so information on listed funds that can be compared directly is limited. In addition, no holdings data was provided, so comparisons of individual holdings are not presented. When reviewing similar products, it is appropriate to check management fees, the scope of option use, overseas stock and currency exposure, distribution policy, and trading conditions in each prospectus.

Peer Comparison ETFs
TickerNamePriceChangeAUMTotal Expense RatioDividend Yield1Y
DFIVDFIVDimensional International Value ETF$56.14-0.7%$22.0B0.27%2.78%+22.2%
VYMIVYMIVanguard International High Dividend Yield ETF$101.75-0.7%$21.8B0.07%3.66%+19.6%
DFAIDFAIDimensional International Core Equity Market ETF$41.41-0.9%$18.2B0.18%2.44%+13.2%
DFICDFICDimensional International Core Equity 2 ETF$37.52-0.9%$15.4B0.22%2.55%+14.2%
IQLTIQLTiShares MSCI Intl Quality Factor ETF$50.16-0.8%$13.8B0.30%2.38%+12.2%
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Thornburg Premium Income Builder ETF Investor Checkpoints

When considering the THOR ETF, investors should review the nature of the income they expect, the possibility of losses, and trading conditions at the time of purchase or sale, since it is an active structure combining global equities and an option strategy. In particular, given the input information of no distribution history, it is necessary not to evaluate the product on distributions alone.

CheckpointWhat to CheckCurrent Status
Management StyleUnderstand that it relies on stock selection and option selling rather than index tracking.Active management confirmed
Distribution HistoryLook separately at the difference between cash distribution history and total return.No distribution history
Market Price and Net Asset ValueCheck the bid-ask spread and the gap between market price and net asset value when trading.Trading conditions need checking

The risks of the THOR ETF are that, in addition to declines in underlying assets and potential losses from the option strategy, overseas stock and currency exposure, non-diversified management, and changes in trading liquidity can all act at the same time. Option premiums do not offset every loss, and differences between market price and net asset value can also arise.

The Thornburg Premium Income Builder ETF is an active ETF that pursues both income and capital growth through global dividend-oriented stocks and option use. However, given the possibility that the option strategy limits returns, the overseas and currency exposure, and the trading conditions that come with a micro-cap size, investors should check these factors together when making an investment decision.

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Disclaimer: This content is for informational purposes only and does not constitute investment advice. All investment responsibility lies with the investor.

This article reflects information as of August 18, 2026.

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