The fund is an actively managed ETF that is a "fund of funds," meaning that it primarily invests its assets in securities of other ETFs. It normally invests at least 80% of its net assets, including any borrowings for investment purposes, in other unaffiliated ETFs that invest in any facet of the global debt markets, including corporate bonds, U. S. government and agency securities, private debt, foreign sovereign bonds, convertible securities, bank loans, asset-backed securities, mortgage-backed securities, and cash equivalent instruments.