The Thornburg Limited Term Municipal Fund Class I (LTMIX) is a mutual fund that primarily invests in short-term municipal bonds. These bonds are issued by state and local governments to fund public projects and services. The fund aims to provide investors with tax-free income while maintaining a low level of risk. It is managed by Thornburg Investment Management and has a focus on high-quality, investment-grade municipal bonds. This fund is suitable for investors seeking a conservative approach to municipal bond investing with a shorter time horizon.