IBGB

The index to track the investment results of an index composed of U.S. Treasury bonds maturing in 2045. 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. The fund is non-diversified. The fund is non-diversified.