Nuveen Mortgage and Income Fund is a closedended fixed income mutual fund launched by Nuveen Investments Inc The fund is comanaged by Nuveen Fund Advisors LLC Nuveen Asset Management LLC and Wellington Management Company LLP It invests in the fixed income markets of the United States The fund invests in undervalued mortgagebacked securities consisting primarily of nonagency residential mortgagebacked securities and commercial mortgagebacked securities with a favorable total return potential It seeks to invest in below investment grade securities The fund employs fundamental analysis with a focus on bottomup stock picking approach based on rigorous analysis of the credit performance of the mortgage loan portfolios underlying the MBS security structure characteristics such as the priority of payment credit enhancement and default patterns of underlying loans and the relative financial strength of the mortgage loan servicer to create its portfolio It benchmarks the performance of its portfolio against Barclays Capital US Aggregate Bond Index It was formerly known as Nuveen Mortgage Opportunity Term Fund Nuveen Mortgage and Income Fund was formed on September 10 2009 and is domiciled in the United States