The Oakmark Bond Fund - Investor Class (OAKCX) is a mutual fund that primarily invests in a diverse portfolio of fixed-income securities, such as government and corporate bonds. It aims to provide investors with a steady stream of income and potential capital appreciation over the long term. The fund is managed by Oakmark Funds, a reputable investment management firm known for its value-oriented approach. As an investor class fund, it is open to individual investors and has a lower minimum investment requirement compared to institutional class funds.