The GMO Benchmark-Free Allocation Fund Class R6 (ticker: GBMSX) is a mutual fund that aims to provide investors with a diversified portfolio of stocks and bonds without being tied to a specific benchmark. This fund is managed by GMO, a global investment management firm known for its value-oriented approach. The R6 class is designed for institutional investors and has a lower expense ratio compared to other classes. GBMSX offers a flexible and actively managed investment strategy, making it suitable for investors seeking long-term growth and income.