ETF Evaluator:
Roundhill Space & Technology ETF ()
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(as of Aug 26)
Best Performing in Miscellaneous Sector Over the Last Year
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Risk
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ETF Details
Roundhill Space & Technology ETF Overview
Roundhill Space & Technology ETF (MARS) is an actively managed Sector Equity Miscellaneous Sector exchange-traded fund (ETF). Roundhill Investments launched the ETF in 2026.
The investment seeks to provide capital appreciation.
The fund is an actively managed exchange-traded fund (“ETF”) that seeks to achieve its investment objective by investing in the equity securities of Space and Technology Companies. Under normal circumstances, the fund invests at least 80% of its net assets (plus borrowings for investment purposes) in Space and Technology Companies. The fund is non-diversified.
About Roundhill Space & Technology ETF (MARS)
There are 7 members of the management team with an average tenure of 0.41 years: William Hershey (2026), Andrew Serowik (2026), Timothy Maloney (2026), Gabriel Tan (2026), Todd Alberico (2026), Brian Cooper (2026) and David Mazza (2026). Management tenure is more important for actively managed ETFs than passive index ETFs.
Roundhill Space & Technology ETF has 32 securities in its portfolio. The top 10 holdings constitute 66.2% 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.
Roundhill Space & Technology ETF is part of the Equity global asset class and is within the Sector Equity ETF group. Roundhill Space & Technology ETF has 25.6% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 72.6% There is 25.6% 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). Roundhill Space & Technology ETF has 0.6% of the portfolio in cash.
Assets Under Management
The fund has $51 million in total assets, which is below the $294 million average for the Miscellaneous Sector 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.
MARS 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 Roundhill Space & Technology ETF expense ratio is above average compared to funds in the Miscellaneous Sector category. Roundhill Space & Technology ETF has an expense ratio of 0.75%, which is 3% higher than its category average, making the fund expense ratio grade a D. 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. Roundhill Space & Technology 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 45% for the Miscellaneous Sector category.
Recently, in the month of July 2026, Roundhill Space & Technology ETF returned -27.5%, which earned it a grade of F, as the Miscellaneous Sector category had an average return of -8.1%. 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.
Roundhill Space & Technology ETF has a trailing yield of 0.00%, which is below the 1.09% category average.
The fund normally distributes its income annually 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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MARS 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 |
|
| MARS Return (NAV) | -27.5% | -23.8% | na | na | na | na |
| MARS Return (Price) | -27.5% | -24.0% | na | na | na | na |
| NAV +/- Price Return | 0.030% | 0.136% | na | na | na | na |
| Miscellaneous Sector Avg | -8.1% | -9.7% | 26.9% | 3.5% | -9.1% | 5.3% |
| MARS Grade (NAV) | F | F | na | na | na | na |
| +/- Category (NAV) | -19.4% | -14.1% | na | na | na | na |
| MARS Tax-Cost Ratio | na | na | na | na | na | na |
MARS Annual NAV Total ReturnsData as of 7/31/26
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
| MARS Return (NAV) | na | na | na | na | na | na | na | na | na | na | na |
| MARS 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 |
| Miscellaneous Sector Avg | 4.4% | 30.9% | -12.7% | -3.8% | -34.7% | 9.9% | 62.0% | 25.7% | -13.2% | 27.3% | 0.5% |
| MARS 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: | $ 51 Mil |
| Share Class Assets: | $ 51 Mil |
| Turnover: | na |
| Expense Ratio: | 0.75% |
| Index Fund: | No |
| Index Tracked: | N/A |
| Index Weighting: | 100% |
| Leveraged: | No |
| Socially Responsible Fund: | No |
| Capital Gains Distribution Frequency: | Annually |
| Income Distribution Frequency: | Annually |
Management Team
| Number of Managers: 7 | |||
| Longest Tenure: 0.4 years | |||
| Average Tenure: 0.4 years | |||
| Managers (Year): Hershey William (2026), Serowik Andrew (2026), Maloney Timothy (2026), Tan Gabriel (2026), Alberico Todd (2026), Cooper Brian (2026), Mazza David (2026) | |||
Portfolio Composition (as of 7/31/26)
| # of Holdings: | 32 |
| % in Top 10 Holdings: | 66.2% |
| Fund is Non-Diversified: | Yes |
| % in Foreign Issues: | 25.6% |
Portfolio Allocation |
|
| Domestic Stock: | 72.6% |
| Foreign Stock: | 25.6% |
| Preferred Stock: | 0.0% |
| Domestic Bond: | 0.0% |
| Foreign Bond: | 0.0% |
| Convertible Bond: | 0.0% |
| Other: | 1.2% |
| Cash: | 0.6% |
Purchase Information
| Legal Structure: | Open Ended Investment Company |
| Fund Family: | Roundhill Investments |
| Phone Number: | 855-561-5728 |
| Website: | |
| Inception Date: | March 4, 2026 |
Expenses and Fees
| Expense Ratio (%): | 0.75% (Rating: Above Avg) |
| Category Average Expense Ratio (%): | 0.73% |