Abiopharma

Nuveen California AMT-Free Quality Municipal Income Fund is a diversified closed-end management investment company which seeks to provide current income exempt from regular federal and California state income taxes and alternative minimum tax (AMT). The Fund invests in municipal securities that are exempt from federal and California state income taxes, including the alternative minimum tax (AMT). The Fund invests at least 80% of its managed assets in securities rated, at the time of investment, investment grade (Baa/BBB or better by S&P, Moodys, or Fitch) or, if they are unrated, are judged by the manager to be of comparable quality.

Additional info from NASDAQ:
Nuveen California AMT-Free Quality Municipal Income Fund is a diversified closed-end management investment company which seeks to provide current income exempt from regular federal and California state income taxes and alternative minimum tax (AMT). The Fund invests in municipal securities that are exempt from federal and California state income taxes, including the alternative minimum tax (AMT). The Fund invests at least 80% of its managed assets in securities rated, at the time of investment, investment grade (Baa/BBB or better by S&P, Moodys, or Fitch) or, if they are unrated, are judged by the manager to be of comparable quality.