MMIDX Mutual Fund

MMIDX Mutual Fund

NAV$7.68
See how much of MMIDX you already own
Just $25 once·$99/mo·Download sample
X-ray my portfolio free

Fund Essentials - as of Jul 31, 2026

Net Assets
$183M
Expense Ratio
0.54%
Dividend Yield (Current)
4.29%
Holdings
2,292
Inception Date
Jun 25, 2007
Fund Family
MFS Investment Management
Investment Style
PRO
Asset Class
PRO
Legal Structure
PRO
Dividend Frequency
Monthly
SEC 30-Day Yield
PRO

Performance

YTD-3.84%
1 Year-2.29%
3 Year+4.36%
5 Year+0.66%
10 Year+2.34%

Asset Allocation

Bonds: 95.44%
Cash: 4.41%
Other: 0.15%
See how much of MMIDX you already own
Your funds unpacked, overlap, fees and score, free on screen. The full report comes with FundXLS. Download sample.
X-ray my portfolio free

Top Holdings

View All →
TickerNameWeight
-Mfs Institutional Money Market Portfolio2.74%
-Cash & Cash Equivalents2.25%
-Black Belt Energy Gas District Al Ser A 5.000 Dec 01 340.52%
-Texas Municipal Gas Acquisition & Supply Corp Iv Tx Ser B 5.500 Jan 01 540.45%
TX PRISCD 5.25 02/15Princeton Independent School District 5.25 02/15/20550.43%
Top 10 Concentration: 8.35%Report Date: Jul 31, 2026
Download all 2292 holdings for MMIDX
CSV export with sector, industry & share changes
Get CSV

Dividend Summary

View Details →
Dividend Yield (Current)
4.29%
Frequency
Monthly
Latest Distribution
$0.02
-

Peer Comparison

Benchmark
PRO
Peer outperformance: PRO
Category rank: PRO
This Mutual Fund
PRO
Peer Avg
PRO

MMIDX Mutual Fund Overview

MMIDX Mutual Fund (MFS Municipal Income Fund Class A1) is managed by MFS Investment Management with $182.7M in net assets. MMIDX expense ratio is 0.54%, holding 2292 positions across sectors including Financials, Real Estate, Utilities. Inception date: 2007-06-25.

MMIDX performance shows a YTD return of -3.84%. The 1-year return is -2.29% and the 5-year return is 0.66%. MMIDX dividend yield stands at 4.29%, paid monthly.

MMIDX top holdings include Mfs Institutional Money Market Portfolio (2.7%), Cash & Cash Equivalents (2.3%), Black Belt Energy Gas District Al Ser A 5.000 Dec 01 34 (0.5%), Texas Municipal Gas Acquisition & Supply Corp Iv Tx Ser B 5.500 Jan 01 54 (0.5%), Princeton Independent School District 5.25 02/15/2055 (0.4%). Go to all MMIDX holdings, MMIDX sectors, or MMIDX dividends.

MMIDX can be compared against other funds. Use MMIDX overlap to find shared positions, or MMIDX vs another fund for a side-by-side view. MMIDX alternatives are available via the screener, along with tax-loss harvesting opportunities.