Vanguard Ultra-Short Bond ETF (VUSB) is an exchange-traded fund in the Ultrashort Bond category. It has $8.94B in assets, an expense ratio of 0.10% and a 4.38% dividend yield. The fund employs an active management approach, investing in a diversified portfolio of high-quality and, to a lesser extent, medium-quality bonds. It is expected to maintain a dollar-weighted average maturity of 0 to 2 years. Under normal circumstances, the fund will invest at least 80% of its assets in fixed income securities.