Originally incorporated as Solar Senior Capital Ltd. in 2010, the company rebranded to SLR Senior Investment Corp. on February 1, 2022. It operates as a publicly-traded, closed-end, externally managed, non-diversified management investment company that has elected to be regulated as a business development company (BDC) under the Investment Company Act of 1940. The company's investment objective is to generate current income and, to a lesser extent, capital appreciation by investing primarily in senior secured loans, including first lien and second lien debt instruments, of private U.S. middle-market companies. It is externally managed by SLR Capital Partners, LLC.