TBUX — T. Rowe Price Ultra Short-Term Bond ETF
Data updated: 2026-07-28
TBUX — T. Rowe Price Ultra Short-Term Bond ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Leveraged · $1.14B AUM · 0.17% expense ratio · 4.9% 1-yr return. From SEC regulatory filings.
TBUX Fund Overview
TBUX — T. Rowe Price Ultra Short-Term Bond ETF is a US ETF managed by T. Rowe Price Exchange-Traded Funds, Inc., categorised as Leveraged. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: T. Rowe Price Exchange-Traded Funds, Inc.
- Category: Leveraged
- Assets under management: $1.14B
- 1-year return: 4.9%
- Ticker: TBUX
- SEC CIK: 0001795351
- SEC series ID: S000072799
- Share class ID: C000229340
TBUX Holdings
Top 10 holdings of T. Rowe Price Ultra Short-Term Bond ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| US Treasury N/b | 1.65% |
| Fnma 30 Yr | 1.61% |
| Brunswick Corp. 4/2 144a Cp | 1.00% |
| Intl Flavors & Fragrance 4/2 144a Cp | 0.93% |
| Jpmcc 2016-Nine A 144a | 0.78% |
| Phillips 66 4/2 144a Cp | 0.70% |
| Homes 2026-Nqm3 A1 144a | 0.68% |
| Batln 2021-19a Ar 144a | 0.67% |
| US Treasury N/b | 0.65% |
| Bayer US Finance Ii LLC 144a | 0.65% |
TBUX Portfolio Allocation
Asset-class allocation of T. Rowe Price Ultra Short-Term Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 66.1% |
| Securitized | 34.3% |
| Cash & Equivalents | 0.1% |
TBUX Performance
Total returns for TBUX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.7% |
| 1 year | 4.9% |
| 3 years (annualised) | 5.9% |
TBUX Risk Information
Risk metrics for TBUX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 0.4%
TBUX Costs and Fees
TBUX costs about $17 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.17%
- Gross expense ratio: 0.17%
- Portfolio turnover: 64%
- Brokerage commissions: 0.32 bps of average net assets (SEC N-CEN)
TBUX Cashflows
Over the 12 months to 2026-02, T. Rowe Price Ultra Short-Term Bond ETF had net inflows of $626.30M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | $113.48M |
| 2026-01 | $71.05M |
| 2025-12 | $71.05M |
| 2025-11 | $21.18M |
| 2025-10 | $68.61M |
| 2025-09 | $26.18M |
TBUX Debt Constituents
Largest debt holdings of T. Rowe Price Ultra Short-Term Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| US Treasury N/b | 1.65% |
| Brunswick Corp. 4/2 144a Cp | 1.00% |
| Intl Flavors & Fragrance 4/2 144a Cp | 0.93% |
| Phillips 66 4/2 144a Cp | 0.70% |
| US Treasury N/b | 0.65% |
| Bayer US Finance Ii LLC 144a | 0.65% |
| Honeywell Aerospace, Inc. 144a | 0.61% |
| American Homes 4 Rent | 0.56% |
| Centene Corp. | 0.54% |
| Fortune Brands Home & SE 144a 4/2 Cp | 0.53% |
TBUX Prospectus and SEC Filings
Official T. Rowe Price Ultra Short-Term Bond ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Leveraged funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.