T. Rowe Price Ultra Short-Term Bond ETF (TBUX) is an actively managed exchange-traded fund that seeks a high level of income consistent with low volatility of principal value by investing in a diversified portfolio of investment-grade fixed income securities, targeting an effective duration of 1.5 years or less; its core holdings include corporate bonds (approximately 51%), asset-backed securities (32%), cash equivalents (7%), sovereign bonds (2%), and mortgage-backed securities (2%), with approximately 550-600 holdings predominantly USD-denominated and limited non-USD foreign issuer exposure up to 10%; the fund offers monthly distributions, with recent payouts including $0.2354, $0.2186, and $0.2142 per share. Launched on September 28, 2021, and listed on NYSE Arca, TBUX operates within the ultrashort bond segment of the U.S. fixed income market, serving income-focused investors seeking stability and liquidity amid market volatility; it is issued and managed by T. Rowe Price Associates, Inc., a global investment management firm founded in 1937 and headquartered in Baltimore, Maryland, with assets under management for the ETF reaching approximately $588 million as of recent data. In the past 1-2 years, TBUX has maintained strong performance with minimal drawdowns under -0.5% even during market stress, earning sustained 'Buy' ratings due to its high liquidity, low credit risk from investment-grade holdings, and very short duration of around 0.58 years; the fund has seen regular institutional interest, including new positions and increases by investors such as Allworth Financial LP (9,616 shares in Q4 2024) and Silver Oak Securities (27% position growth in Q3 2024), alongside consistent monthly dividend declarations through 2025, such as ex-dividend dates in May and October 2024 with yields supporting an annual rate of about 5.10%; no major acquisitions, launches, or strategic shifts specific to TBUX have been reported recently, with focus remaining on its core ultra-short-term bond strategy.