Putnam Managed Municipal Income Trust is a close-ended fixed income mutual fund launched and managed by Putnam Investment Management LLC. It is co-managed by Putnam Investments Limited (U.K.). The fund invests in fixed income markets of United States. It invests in a diversified portfolio of tax-exempt municipal securities which typically includes high-yield securities that are below investment grade and involve special risk considerations. The fund benchmarks the performance of its portfolio against Barclays Capital Municipal Bond Index. Putnam Managed Municipal Income Trust was formed on February 24, 1989 and is domiciled in United States.