Nuveen Missouri Quality Municipal Income Fund is a closed ended fixed income mutual fund with a bottom-up stock picking approach, investing in undervalued municipal securities and related investments with an aim to invest in investment-grade securities. The fund benchmarks its performance against Standard & Poor's (S&P) Missouri Municipal Bond Index and Standard & Poor's (S&P) National Municipal Bond Index. It was formerly known as Nuveen Missouri Premium Income Municipal Fund, formed on March 29, 1993, and domiciled in the United States.