TBUX Performance — T. Rowe Price Ultra Short-Term Bond ETF
Data updated: 2026-08-12
TBUX returned +1.71% year to date and +4.93% over one year to May 2026. The annualised 3-year return is +5.86%. The fund trailed its Trading - Leveraged category average: $100 invested three years ago grew to $119, against $173 for the category, and to $105 over one year, against $137. Volatility over the past three years was 0.55% a year. In the 12 months to May 2026 the fund took in a net $671.5M, and assets reached $1.14B.
TBUX Growth of $100
What $100 invested in T. Rowe Price Ultra Short-Term Bond ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Trading - Leveraged category average over the same months.
| Period | TBUX | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $105 | $137 |
| 3 years (Jun 2023 – May 2026) | $119 | $173 |
| Since data start (Sep 2021 – May 2026) | $121 | $154 |
TBUX Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.71% |
| 1 year | +4.93% |
| 3 years (annualised) | +5.86% |
TBUX Annual Returns
Calendar-year total returns of T. Rowe Price Ultra Short-Term Bond ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +1.71% |
| 2025 | +5.36% |
| 2024 | +6.36% |
| 2023 | +6.43% |
| 2022 | −0.10% |
| 2021 (Sep–Dec) | −0.29% |
TBUX 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 | +0.4% | +0.3% | +0.1% | +0.4% | +0.4% | — | — | — | — | — | — | — |
| 2025 | +0.5% | +0.5% | +0.3% | +0.3% | +0.5% | +0.5% | +0.4% | +0.6% | +0.4% | +0.4% | +0.4% | +0.5% |
| 2024 | +0.7% | +0.4% | +0.5% | +0.4% | +0.6% | +0.5% | +0.8% | +0.7% | +0.6% | +0.2% | +0.4% | +0.4% |
| 2023 | +0.8% | +0.2% | +0.3% | +0.6% | +0.3% | +0.4% | +0.7% | +0.5% | +0.4% | +0.4% | +0.8% | +0.8% |
| 2022 | −0.1% | −0.2% | −0.5% | −0.2% | +0.1% | −0.5% | +0.2% | +0.2% | −0.2% | −0.1% | +0.7% | +0.6% |
| 2021 | — | — | — | — | — | — | — | — | 0.0% | −0.1% | −0.1% | 0.0% |
TBUX Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 0.55%
- 3-year Sharpe ratio: 2.48 (vs 4.5% risk-free rate)
- Best month: +0.84% (Nov 2023)
- Worst month: +0.09% (Mar 2026)
TBUX Fund Flows
Monthly money in and out of T. Rowe Price Ultra Short-Term Bond ETF, from SEC Form N-PORT.
- 12-month net flow: $671.5M
- 12-month gross sales (incl. reinvestments): $682.7M
- Sales ÷ redemptions: 60.98×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $44.8M | $2.5M | $42.3M |
| Apr 2026 | $7.5M | $3.7M | $3.7M |
| Mar 2026 | $110.8M | $0 | $110.8M |
| Feb 2026 | $113.5M | $0 | $113.5M |
| Jan 2026 | $71.1M | $0 | $71.1M |
| Dec 2025 | $71.1M | $0 | $71.1M |
| Nov 2025 | $21.2M | $0 | $21.2M |
| Oct 2025 | $68.6M | $0 | $68.6M |
| Sep 2025 | $26.2M | $0 | $26.2M |
| Aug 2025 | $66.0M | $0 | $66.0M |
| Jul 2025 | $43.5M | $5.0M | $38.6M |
| Jun 2025 | $38.5M | $0 | $38.5M |
TBUX Assets Under Management
Net assets of T. Rowe Price Ultra Short-Term Bond ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $1.14B |
| 2026-02-28 | $989.17M |
| 2025-11-30 | $733.51M |
| 2025-08-31 | $617.42M |
| 2025-05-31 | $472.68M |
| 2025-02-28 | $361.04M |
| 2024-11-30 | $256.83M |
| 2024-08-31 | $192.23M |
| 2024-05-31 | $164.06M |
| 2024-02-29 | $120.63M |
| 2023-11-30 | $112.82M |
| 2023-08-31 | $111.28M |
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.