The MSIF Multi-Asset Real Return Portfolio - IS (MRJSX) is a mutual fund that aims to provide investors with a diversified portfolio of assets that can generate real returns over time. This fund invests in a variety of asset classes, including stocks, bonds, and real estate, to help mitigate risk and potentially increase returns. The "IS" in the ticker stands for "institutional share class," indicating that this fund is primarily intended for institutional investors. With a focus on real returns, this mutual fund may be a suitable option for investors looking for long-term growth and protection against inflation.