MMIBX Mutual Fund (MFS Municipal Income Fund Class B) is managed by MFS Investment Management with $223,649.71 in net assets. MMIBX expense ratio is 1.51%, holding 2292 positions across sectors including Other, Financials, Utilities. Inception date: 1986-12-29.

MMIBX performance shows a YTD return of 2.37%. The 1-year return is 6.65% and the 5-year return is 0.12%. MMIBX dividend yield stands at 2.71%, paid monthly.

MMIBX top holdings include Mfs Institutional Money Market Portfolio (2.4%), Black Belt Energy Gas Dist Ala Gas Proj Rev Bds 12/01/2034 (0.5%), Texas St Muni Gas Acquisition & Sply Corp Iv Variable Rate, Due 01/01/2054 (0.5%), Princeton Independent School District 5.25 02/15/2055 (0.4%), New York Transportation Development Corporation, New York, Special Facility Revenue Bonds, John F Kennedy International Airport New Terminal 1 Project (0.4%). View all MMIBX holdings, sector breakdown, or dividend history.

MMIBX can be compared against other funds using the overlap calculator or side-by-side comparison tool. MMIBX alternatives are available via the screener, along with tax-loss harvesting opportunities.