Vanguard Short Duration Bond ETF Shares (VSDB) is an exchange-traded fund in the Short Term Bond category. It has $895.73M in assets, an expense ratio of 0.15% and a 3.95% dividend yield. The fund invests in fixed income securities of various maturities, yields, and qualities. Under normal circumstances, the fund will invest at least 80% of its net assets in bonds, which include fixed income securities such as corporate bonds; U.S. Treasury obligations and other U.S. government and agency securities; and asset-backed, mortgage-backed, and mortgage-related securities.