The Madison Core Bond Fund R6 Class (MBORX) is a mutual fund that primarily invests in a diverse portfolio of high-quality fixed income securities, such as government and corporate bonds. It aims to provide investors with a stable stream of income and potential for capital appreciation over the long term. As an R6 class fund, it is designed for institutional investors and has lower expense ratios compared to other share classes. This fund is suitable for investors seeking a conservative investment option with a focus on income generation.