MFS Municipal Income Fund Class A1 (MMIDX)
| Fund Assets | 6.16B |
| Expense Ratio | 0.51% |
| Min. Investment | $1,000 |
| Turnover | 9.00% |
| Dividend (ttm) | 0.29 |
| Dividend Yield | 3.39% |
| Dividend Growth | 3.32% |
| Payout Frequency | Monthly |
| Ex-Dividend Date | Nov 28, 2025 |
| Previous Close | 8.19 |
| YTD Return | -1.20% |
| 1-Year Return | -2.94% |
| 5-Year Return | 1.13% |
| 52-Week Low | 7.90 |
| 52-Week High | 8.57 |
| Beta (5Y) | n/a |
| Holdings | 2132 |
| Inception Date | Jun 25, 2007 |
About MMIDX
MFS Municipal Income Fund Class A1 is a mutual fund that centers its investment strategy on generating tax-exempt income, primarily by investing in municipal bonds issued by U.S. state and local governments. Its objective is to deliver total return with a strong emphasis on income that is generally exempt from federal income tax, while also considering opportunities for capital appreciation. The fund maintains a diversified portfolio, with over 98% of assets in municipal securities, and minimal allocations to high yield and investment-grade corporate bonds. Managed by an experienced team leveraging a data-driven, risk-averse approach, it focuses on consistent long-term performance and robust risk management. The fund features a monthly dividend payout structure, making it relevant for investors prioritizing steady, tax-advantaged income streams. With net assets exceeding $5.8 billion as of mid-2025, MFS Municipal Income Fund Class A1 holds a significant place in the national long-term municipal bond category, supporting public infrastructure while serving as a key offering for investors seeking efficient exposure to the municipal fixed-income market.
Performance
MMIDX had a total return of -2.94% in the past year, including dividends. Since the fund's inception, the average annual return has been 7.37%.
Equivalent Funds
These are funds that follow the same index from the other major fund companies.
Top 10 Holdings
6.75% of assets| Name | Symbol | Weight |
|---|---|---|
| MFS Institutional Money Market Portfolio, Class A | n/a | 2.78% |
| Texas Municipal Gas Acquisition & Supply Corp. IV, Series 2023B | TX.TMGUTL 01.01.2054 | 0.54% |
| New York Transportation Development Corp., Series 2024 | n/a | 0.48% |
| New York Transportation Development Corp., Series 2023 | NY.NYTTRN 5.12 06.30.2060 | 0.48% |
| New Hampshire Business Finance Authority, Series 2023A | NH.NFADEV 5.88 12.15.2038 | 0.46% |
| California Community Choice Financing Authority | CA.CCEDEV 01.01.2054 | 0.45% |
| Black Belt Energy Gas District, Series 2023C | AL.BBEUTL 10.01.2054 | 0.42% |
| New Hampshire Business Finance Authority, Series 2025 A | NH.NFADEV 5.5 06.01.2050 | 0.40% |
| Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue - Puerto Rico Sales Tax Financing Corp. Sales Tax | PR.PRCGEN 5 07.01.2058 | 0.38% |
| Virginia Housing Development Authority, Series 2023 D | VA.VASHSG 4.88 08.01.2065 | 0.36% |
Dividend History
| Ex-Dividend | Amount | Pay Date |
|---|---|---|
| Nov 28, 2025 | $0.02624 | Dec 1, 2025 |
| Oct 31, 2025 | $0.02756 | Nov 3, 2025 |
| Sep 30, 2025 | $0.02697 | Oct 1, 2025 |
| Aug 29, 2025 | $0.02707 | Sep 2, 2025 |
| Jul 31, 2025 | $0.027 | Aug 1, 2025 |
| Jun 30, 2025 | $0.02599 | Jul 1, 2025 |