The SPDR DoubleLine Total Return Tactical ETF (the Fund ) seeks to maximize total return. Under normal circumstances, DoubleLine Capital LP (the Sub-Adviser or DoubleLine ) will invest at least 80% of the Portfolio s net assets in a portfolio of fixed income securities of any credit quality. Fixed income securities in which the Portfolio principally invests include securities issued or guaranteed by the U.S. government or its agencies, instrumentalities or sponsored corporations; inflation protected public obligations of the U.S. Treasury; agency and non-agency residential mortgage-backed securities ( RMBS ); agency and non-agency commercial mortgage-backed securities ( CMBS ); agency and non-agency asset-backed securities ( ABS ); domestic corporate bonds; fixed income securities issued by foreign corporations and foreign governments including emerging markets; bank loans (primarily senior loans, including loan participations or assignments whose loan syndication exceeds $300 million) municipal bonds; and other securities (such as perpetual bonds) bearing fixed interest rates of any maturity. The Portfolio may also invest in collateralized loan obligations, floating rate securities (including floating rate loans), variable rate securities, Rule 144A securities, and repurchase agreements and may enter into reverse repurchase agreements. The Portfolio may conduct foreign currency transactions on a spot (i.e., cash) or forward basis (i.e., by entering into forward contracts to purchase or sell foreign currencies).