iShares 0-3 Month Treasury Bond ETF (SGOV) is an exchange-traded fund in the Ultrashort Bond category. It has $105.98B in assets, an expense ratio of 0.09% and a 3.74% dividend yield. The index measures the performance of public obligations of the U.S. Treasury that have a remaining maturity of less than or equal to three months. The fund will invest at least 80% of its assets in the component securities of the underlying index, and the fund will invest at least 90% of its assets in U.S. Treasury securities that BFA believes will help the fund track the underlying index.