ETF Evaluator:
Roundhill Weekly T-Bill ETF (WEEK)
Follow This ETF
(as of Sep 04)
Best Performing in Ultrashort Bond Over the Last Year
| 7.1% | iShares Interest Rate Hdg L/T Corp BdETF (IGBH) |
| 6.3% | iShares Interest Rate Hedged Corp Bd ETF (LQDH) |
| 5.2% | Simplify Treasury Option Income ETF (BUCK) |
| 5.2% | NEOS Enhanced Inc 1-3 Month T-Bill ETF (CSHI) |
| 4.9% | SLW Short Duration Income ETF (SLWS) |
Risk
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Risk
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ETF Details
Roundhill Weekly T-Bill ETF Overview
Roundhill Weekly T-Bill ETF (WEEK) is an actively managed Taxable Bond Ultrashort Bond exchange-traded fund (ETF). Roundhill Investments launched the ETF in 2025.
The investment seeks to provide weekly distributions of current income.
The fund seeks to achieve its investment objective to provide weekly distributions of current income through investments in U.S. Treasury Bills that have a maturity of between 0 and 3 months at the time of purchase. Under normal conditions, the fund will invest at least 80% of its net assets (plus any borrowings for investment purposes) in T-Bills. The fund is non-diversified.
About Roundhill Weekly T-Bill ETF (WEEK)
There are 7 members of the management team with an average tenure of 1.49 years: William Hershey (2025), Andrew Serowik (2025), Timothy Maloney (2025), Gabriel Tan (2025), Todd Alberico (2025), Brian Cooper (2025) and David Mazza (2025). Management tenure is more important for actively managed ETFs than passive index ETFs.
Roundhill Weekly T-Bill ETF has 16 securities in its portfolio. The top 10 holdings constitute 77.2% 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 Weekly T-Bill ETF is part of the Fixed Income global asset class and is within the Taxable Bond ETF group. Roundhill Weekly T-Bill ETF has 0.0% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 0.0% There is 0.0% 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 Weekly T-Bill ETF has 100.0% of the portfolio in cash.
Assets Under Management
The fund has $183 million in total assets, which is below the $5 billion average for the Ultrashort Bond 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.
WEEK 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 Weekly T-Bill ETF expense ratio is low compared to funds in the Ultrashort Bond category. Roundhill Weekly T-Bill ETF has an expense ratio of 0.19%, which is 14% lower than its category average, making the fund expense ratio grade a C. 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 Weekly T-Bill 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 58% for the Ultrashort Bond category.
Recently, in the month of August 2026, Roundhill Weekly T-Bill ETF returned 0.3%, which earned it a grade of D, as the Ultrashort Bond category had an average return of 0.3%. 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 Weekly T-Bill ETF has a trailing yield of 3.58%, which is below the 4.03% category average.
The fund normally distributes its income weekly 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.
Roundhill Weekly T-Bill ETF Grades
Year to date, the ETF has returned 2.3%, 0.2 percentage points worse than the category, which translates into a grade of D. The fund has returned 3.7% over the past year (grade of F).
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WEEK Trailing NAV Total Returns Data as of 8/31/26
| Last Month |
Last Quarter |
Ann'l. 1Yr |
Ann'l. 3Yr |
Ann'l. 5Yr |
Ann'l. 10Yr |
|
| WEEK Return (NAV) | 0.3% | 0.9% | 3.7% | na | na | na |
| WEEK Return (Price) | 0.2% | 0.9% | 3.6% | na | na | na |
| NAV +/- Price Return | 0.060% | -0.005% | 0.024% | na | na | na |
| Ultrashort Bond Avg | 0.3% | 0.9% | 4.1% | 5.2% | 3.9% | 3.0% |
| WEEK Grade (NAV) | D | D | F | na | na | na |
| +/- Category (NAV) | -0.0% | -0.0% | -0.4% | na | na | na |
| WEEK Tax-Cost Ratio | na | na | 1.5% | na | na | na |
WEEK Annual NAV Total ReturnsData as of 8/31/26
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
| WEEK Return (NAV) | 2.3% | na | na | na | na | na | na | na | na | na | na |
| WEEK Return (Price) | 2.3% | na | na | na | na | na | na | na | na | na | na |
| NAV +/- Price Ret | -0.030% | na | na | na | na | na | na | na | na | na | na |
| Ultrashort Bond Avg | 2.5% | 4.8% | 5.8% | 6.0% | 0.4% | 0.3% | 1.4% | 3.6% | 1.4% | 2.3% | 1.9% |
| WEEK Grade (NAV) | D | na | na | na | na | na | na | na | na | na | na |
| +/- Category | -0.2% | 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: | 3.6% |
| Total Assets: | $ 183 Mil |
| Share Class Assets: | $ 183 Mil |
| Turnover: | na |
| Expense Ratio: | 0.19% |
| Index Fund: | No |
| Index Tracked: | N/A |
| Index Weighting: | 100% |
| Leveraged: | No |
| Socially Responsible Fund: | No |
| Capital Gains Distribution Frequency: | Annually |
| Income Distribution Frequency: | Weekly |
Management Team
| Number of Managers: 7 | |||
| Longest Tenure: 1.5 years | |||
| Average Tenure: 1.5 years | |||
| Managers (Year): Hershey William (2025), Serowik Andrew (2025), Maloney Timothy (2025), Tan Gabriel (2025), Alberico Todd (2025), Cooper Brian (2025), Mazza David (2025) | |||
Portfolio Composition (as of 8/31/26)
| # of Holdings: | 16 |
| % in Top 10 Holdings: | 77.2% |
| Fund is Non-Diversified: | Yes |
| % in Foreign Issues: | 0.0% |
Portfolio Allocation |
|
| Domestic Stock: | 0.0% |
| Foreign Stock: | 0.0% |
| Preferred Stock: | 0.0% |
| Domestic Bond: | 0.0% |
| Foreign Bond: | 0.0% |
| Convertible Bond: | 0.0% |
| Other: | -0.0% |
| Cash: | 100.0% |
Purchase Information
| Legal Structure: | Open Ended Investment Company |
| Fund Family: | Roundhill Investments |
| Phone Number: | 855-561-5728 |
| Website: | |
| Inception Date: | March 5, 2025 |
Expenses and Fees
| Expense Ratio (%): | 0.19% (Rating: Low) |
| Category Average Expense Ratio (%): | 0.22% |
