WEEK Performance — Roundhill Weekly T-Bill ETF
Data updated: 2026-08-26
WEEK returned +1.74% year to date and +3.76% over one year to Jun 2026. Over one year the fund beat its Ultrashort Government Bond category average: $100 grew to $104, against $101 for the category. Volatility over the past 12 months was 0.09% a year. In the 12 months to Jun 2026 the fund took in a net $65.0M, and assets reached $172.00M.
WEEK Growth of $100
What $100 invested in Roundhill Weekly T-Bill ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Ultrashort Government Bond category average over the same months.
| Period | WEEK | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $104 | $101 |
| Since data start (Mar 2025 – Jun 2026) | $105 | $103 |
WEEK Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.74% |
| 1 year | +3.76% |
WEEK Annual Returns
Calendar-year total returns of Roundhill Weekly T-Bill ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +1.74% |
| 2025 (Mar–Dec) | +3.34% |
WEEK Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | +0.3% | — | — | — | — | — | — |
| 2025 | — | — | +0.3% | +0.3% | +0.4% | +0.3% | +0.4% | +0.4% | +0.3% | +0.3% | +0.3% | +0.3% |
WEEK Risk
Risk measures from monthly returns over Jul 2025 – Jun 2026.
- 1-year volatility (annualised): 0.09%
- Best month: +0.35% (Jul 2025)
- Worst month: +0.27% (Feb 2026)
WEEK Fund Flows
Monthly money in and out of Roundhill Weekly T-Bill ETF, from SEC Form N-PORT.
- 12-month net flow: $65.0M
- 12-month gross sales (incl. reinvestments): $210.1M
- Sales ÷ redemptions: 1.45×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $1.0M | $0 | $1.0M |
| May 2026 | $0 | $0 | $0 |
| Apr 2026 | $17.0M | $1.0M | $16.0M |
| Mar 2026 | $8.0M | $0 | $8.0M |
| Feb 2026 | $3.0M | $0 | $3.0M |
| Jan 2026 | $5.0M | $4.0M | $1.0M |
| Dec 2025 | $0 | $0 | $0 |
| Nov 2025 | $7.0M | $3.0M | $4.0M |
| Oct 2025 | $139.1M | $137.1M | $2.0M |
| Sep 2025 | $4.0M | $0 | $4.0M |
| Aug 2025 | $18.0M | $0 | $18.0M |
| Jul 2025 | $8.0M | $0 | $8.0M |
WEEK Assets Under Management
Net assets of Roundhill Weekly T-Bill ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $172.00M |
| 2026-03-31 | $155.00M |
| 2025-12-31 | $143.01M |
| 2025-09-30 | $137.00M |
| 2025-06-30 | $107.07M |
| 2025-03-31 | $6.00M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.