Morningstar

MFS Mississippi Municipal Bond Fund Class B MBMSX

Morningstar Medalist Rating
Medalist Rating as of | See MFS Investment Hub
  • NAV / 1-Day Return 8.94  /  +0.11 %
  • Total Assets 62.2M
  • Adj. Expense Ratio
    1.410%
  • Expense Ratio 1.410%
  • Distribution Fee Level Low
  • Share Class Type Deferred Load
  • Category Muni Single State Long
  • Credit Quality / Interest Rate Sensitivity —
  • Min. Initial Investment 1,000
  • Status Closed
  • TTM Yield 2.77%
  • Effective Duration 7.85 years

USD | NAV as of Jun 10, 2026 | 1-Day Return as of Jun 10, 2026, 1:30 AM GMT+0

Morningstar’s Analysis MBMSX

Will MBMSX 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 MBMSX’s performance objective and investment process is for both security selection and portfolio construction.

  • People Pillar

    The People Pillar is our evaluation of the MBMSX 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 MBMSX’s parent organization’s priorities and whether they’re in line with investors’ interests.

null Morningstar Automated Analysis

Morningstar Automated Analysis

Summary

MFS MS Municipal Bond B holds a quantitatively derived Neutral Morningstar Medalist Rating. The rating suggests the model does not express a clear expectation of outperformance or underperformance relative to peers over a full market cycle.

by Morningstar Automated Analysis
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Portfolio Holdings MBMSX

More MBMSX Holdings
  • Current Portfolio Date
  • Equity Holdings —
  • Bond Holdings —
  • Other Holdings —
  • % Assets in Top 10 Holdings 21.2
Top 10 Holdings
% Portfolio Weight
Market Value USD
Sector

JACKSON CNTY MISS UTIL AUTH WTR & WASTEWATER TREATMENT SYS REV 5%

3.25 2M
municipal

MISSISSIPPI HOME CORP SINGLE FAMILY MTG REV 4.65%

2.85 2M
municipal

MISSISSIPPI DEV BK SPL OBLIG 4%

2.21 1M
municipal

MEDICAL CENTER BUILDING CORP MISS REV 5%

2.08 1M
municipal

MEDICAL CENTER BUILDING CORP MISS REV 5%

2.07 1M
municipal

MISSISSIPPI DEV BK 5.25%

1.83 1M
municipal

PUERTO RICO SALES TAX FING CORP SALES TAX REV 5%

1.73 1M
municipal

MISSISSIPPI DEV BK SPL OBLIG 4%

1.73 1M
municipal

WEST RANKIN MISS UTIL AUTH REV 5%

1.70 1M
municipal

MISSISSIPPI DEV BK SPL OBLIG 5%

1.70 1M
municipal

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