The BlackRock Floating Rate Income Strategies Fund, Inc. is a closed-end mutual fund focused on fixed income, created by BlackRock, Inc. It is managed by BlackRock Advisors, LLC. The fund's investment strategy targets the fixed income markets of the United States, particularly focusing on bonds from companies across a variety of sectors. Its primary allocations are to floating-rate debt securities, specifically senior floating-rate loans (which may be secured or unsecured) that are rated below investment grade. This U.S.-domiciled fund commenced operations on October 31, 2003.