The Vanguard Long-Term Bond ETF (NYSE:BLV) is one of the largest and most actively traded bond ETFs with $12.8 billion in total assets. BLV tracks an index that includes the universe of U.S. dollar medium and large publicly traded investment grade bond issuances with maturities of greater than 10 years. Holdings are composed between U.S. Treasury bonds, corporates, and a smaller portion of foreign U.S. dollar-denominated bonds fitting the investment grade criteria.
BLV's diversified over 2,300 holdings is a good option for investors to extend the duration of a fixed income portfolio and