GSY may fit an investors portfolio if theyre looking for global exposure to an array of short-term debt securities. The portfolio selects fixed income securities rated Baa3 or higher and aims for average portfolio duration of less than one year. The fund invests in the following securities: US Treasurys, corporate bonds, ETFs, commercial paper, repurchase agreements, mortgage-backed securities (MBS) and asset-backed securities (ABS). GSY can invest a maximum of 20% to MBS and ABS, which are composed of residential MBS (RMBS), collateralized mortgage obligations (CMOs) and commercial MBS (CMBS), collateralized debt obligations (CDOs), collateralized bond obligations (CBOs), and collateralized loan obligations (CLOs). Additionally, up to 20% can be invested in foreign currency sovereign and corporate debts. Overall, the fund aims to provide income by investing in a diverse portfolio with ultra-short duration, while maintaining capital and liquidity.