T. Rowe Price Short Duration Income Fund (TSDLX) is an open-end mutual fund that seeks to provide income consistent with limited fluctuation in principal value and liquidity by investing primarily in short-duration fixed income securities. The fund normally invests at least 80% of its net assets (plus any borrowings for investment purposes) in a diversified portfolio of fixed income instruments, including investment-grade corporate bonds, securitized instruments such as mortgage-backed and asset-backed securities, U.S. government securities, leveraged loans, international debt, and emerging market debt; it maintains an effective duration of three years or less under normal market conditions and typically allocates 10-20% to sub-investment grade securities. Investor class shares (TSDLX) feature a net expense ratio of 0.40%, a minimum initial investment of $2,500, and portfolio turnover around 90-98%, with total assets under management of approximately $100-133 million as of late 2025.
Launched on December 8, 2020, the fund is managed by T. Rowe Price Associates, Inc., the investment adviser founded in 1937 and headquartered in Baltimore, Maryland, which oversees a broad range of U.S. and global fixed income strategies. It targets investors seeking higher income than money market funds with modest principal risk, including individuals, financial intermediaries, and retirement plans, primarily in the United States.
In recent developments, T. Rowe Price, the fund's sponsor, extended a contractual expense limitation for the Investor Class through July 31, 2027, limiting operating expenses (excluding certain costs) to 0.40% while allowing potential reimbursement within three years if not exceeding the cap. The firm also launched four new active fixed income ETFs in November 2025, including the T. Rowe Price Short Municipal Income ETF (TMNS), expanding its short-duration and multi-sector offerings amid growing demand for income-focused products. Additionally, in December 2025, T. Rowe Price formed a strategic alliance with Goldman Sachs Asset Management to introduce co-branded model portfolios incorporating its funds, targeting mass-affluent and high-net-worth advisors via platforms like GeoWealth.