Nuveen Massachusetts Quality Municipal Income Fund is a closed ended fixed income mutual fund launched by Nuveen Investments Inc The fund is comanaged by Nuveen Fund Advisors LLC and Nuveen Asset Management LLC It invests in the fixed income markets of Massachusetts United States The fund primarily invests in undervalued municipal securities and other related investments which are exempt from regular federal and Massachusetts income taxes It seeks to invest in investment grade securities that are rated BaaBBB or above by SP Moodys or Fitch The fund employs fundamental analysis with a focus on bottomup stock picking approach to create its portfolio It benchmarks the performance of its portfolio against the Standard Poors SP Massachusetts Municipal Bond Index and Standard Poors SP National Municipal Bond Index The fund was formerly known as Nuveen Massachusetts Premium Income Municipal Fund Nuveen Massachusetts Quality Municipal Income Fund was formed on January 12 1993 and is domiciled in the United States