The BlackRock Debt Strategies Fund, Inc. is a closed-end mutual fund, established by BlackRock, Inc., that focuses on fixed-income investments. Managed by BlackRock Advisors, LLC, the fund primarily allocates capital within U.S. fixed income markets. Its core strategy involves building a diverse portfolio of corporate debt instruments, including corporate loans. These holdings typically consist of securities rated in the lower categories by established services (BBB or below by S&P's, or Baa or below by Moody's), or unrated debt instruments deemed by the investment adviser to possess comparable quality. Formed on March 27, 1998, and domiciled in the United States, it was formerly known as Debt Strategies Fund Inc.