Nuveen Quality Municipal Income Fund is a fixed income mutual fund launched by Nuveen Investments that invests in the US fixed income markets, seeking to invest in undervalued municipal securities and other related investments that offer regular federal tax-exempt income. The fund employs fundamental analysis with a focus on a bottom-up stock picking approach to create a portfolio of investment grade securities with an average maturity of around 18 years. It benchmarks its performance against Standard & Poor's (S&P), and was founded on January 15, 1999 in the United States under the name Nuveen Dividend Advantage Municipal Fund.