Morningstar

MFS Municipal Income Fund Class R6 MPMNX

Morningstar Medalist Rating
Medalist Rating as of | See MFS Investment Hub
  • NAV / 1-Day Return 8.17  /  −0.24 %
  • Total Assets 7.2B
  • Adj. Expense Ratio
    0.440%
  • Expense Ratio 0.460%
  • Distribution Fee Level Low
  • Share Class Type Retirement, Large
  • Category Muni National Long
  • Credit Quality / Interest Rate Sensitivity —
  • Min. Initial Investment 0
  • Status Open
  • TTM Yield 4.00%
  • Effective Duration 8.33 years

USD | NAV as of Jul 17, 2026 | 1-Day Return as of Jul 17, 2026, 1:15 AM GMT+0

Morningstar’s Analysis MPMNX

Will MPMNX outperform in the future?

Get our overall rating based on a fundamental assessment of the pillars below.

  • Process Pillar

    The Process Pillar is our assessment of how sensible, clearly defined, and repeatable MPMNX’s performance objective and investment process is for both security selection and portfolio construction.

  • People Pillar

    The People Pillar is our evaluation of the MPMNX management team’s experience and ability. We find that high-quality management teams deliver superior performance relative to their benchmarks and/or peers.

  • Parent Pillar

    The Parent Pillar is our rating of MPMNX’s parent organization’s priorities and whether they’re in line with investors’ interests.

A solid pick at the long end of the muni curve.

Associate Director Tom Murphy

Tom Murphy

Associate Director

Summary

MFS Municipal Income’s experienced team follows a relative value framework that has delivered for investors over the long haul.

by Tom Murphy
Rated on Published on

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Portfolio Holdings MPMNX

More MPMNX Holdings
  • Current Portfolio Date
  • Equity Holdings —
  • Bond Holdings —
  • Other Holdings —
  • % Assets in Top 10 Holdings 4.1
Top 10 Holdings
% Portfolio Weight
Market Value USD
Sector

Currency Cash CASH_USD

1.86 132M
Cash and Equivalents

BLACK BELT ENERGY GAS DIST ALA GAS PROJ REV 5%

0.52 37M
municipal

TEXAS MUN GAS ACQUISITION & SUPPLY CORP IV GAS SUPPLY REV 5.5%

0.47 33M
municipal

PRINCETON TEX INDPT SCH DIST 5.25%

0.43 30M
municipal

NEW YORK TRANSN DEV CORP SPL FAC REV 5.25%

0.42 30M
municipal

NEW YORK TRANSN DEV CORP SPL FAC REV 5.13%

0.42 30M
municipal

NATIONAL FIN AUTH N H LEASE RENT REV 5.88%

0.41 29M
municipal

CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REV 5.25%

0.40 28M
municipal

BLACK BELT ENERGY GAS DIST ALA GAS PROJ REV 5.5%

0.36 26M
municipal

BLACK BELT ENERGY GAS DIST ALA GAS PROJ REV 5%

0.36 26M
municipal

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