VSDB was created on 2025-04-01 by Vanguard. The fund's investment portfolio concentrates primarily on broad credit fixed income. The ETF currently has 912.27m in AUM and 1293 holdings. VSDB is actively managed, investing in US and foreign fixed income securities of any credit quality, but predominantly in investment-grade bonds. It seeks to maintain a dollar weighted average maturity of 1 to 5 years, and a portfolio duration of 1 to 4 years.