TRAZX is a mutual fund offered by T. Rowe Price that focuses on investing in floating rate loans. This fund is designed for institutional investors and aims to provide a high level of current income while also managing risk through a diversified portfolio of floating rate securities. The "Z Class" designation indicates that this fund is only available to institutional investors and may have lower fees compared to other classes of the same fund. Overall, TRAZX offers a unique investment opportunity for those seeking income and stability in a changing interest rate environment.