First Trust Low Duration Strategic Focus ETF(NASDAQ:LDSF)

LDSF holds other ETFs, mostly but not exclusively from First Trust, that provide exposure to short-term US debt. The active manager constructs the portfolio based on macroeconomic and credit analysis, aiming to manage both interest rate risk and credit exposure to optimally allocate between sectors in the short-term bond space. LDSF has exposure to both government and corporate issuers and targets a portfolio duration of 3 years or less. The fund may hold up to 40% exposure to sub-investment-grade securities and 20% exposure to non-US issuers (including up to 10% to emerging-market issuers).