The investment seeks to track the performance of the Bloomberg Barclays Global Aggregate Float Adjusted Composite Index that measures the investment return of investment-grade U.S. bonds and investment-grade non-U.S. dollar-denominated bonds. The fund is a fund of funds and employs an indexing investment approach designed to track the performance of the index, which is a custom, USD-hedged index designed to track the market capitalized weights of the global investment-grade bond market and is comprised of the Bloomberg Barclays U.S. Aggregate Float Adjusted Index and the Bloomberg Barclays Global Aggregate ex-USD Float Adjusted RIC Capped Index.