Nuveen Preferred Securities Income Fund is a US-based closed-ended fixed income mutual fund managed by Nuveen Fund Advisors LLC and Spectrum Asset Management, Inc. Since 2002, it has invested primarily in investment grade preferred debt securities, convertible debt securities, and convertible preferred securities rated BBB/Baa or better by S&P, Moody's, or Fitch. The fund was formerly known as Nuveen Quality Preferred Income Fund 2.