The Dimensional - Short Duration Fixed Income ETF (DFSD) primarily invests in high-quality debt, with at least 80% of its net assets allocated to investment-grade fixed income securities. The portfolio largely focuses on instruments set to mature within five years of their settlement date. To manage interest rate exposure, the ETF generally targets a weighted average duration that remains within a specific range relative to its reference index, the ICE BofA 1-5 Year US Corporate & Government Index.