PTTRX is a mutual fund that focuses on providing total return to its investors through a diverse portfolio of fixed income securities. It is managed by PIMCO Funds and is designed for institutional investors. The fund aims to generate income and capital appreciation by investing in a variety of bonds, including government, corporate, and mortgage-backed securities. With a ticker symbol of PTTRX, this fund offers a low-cost option for investors looking for a well-managed, diversified fixed income portfolio.