Morningstar

MFS Maryland Municipal Bond Fund Class B MBMDX

Morningstar Medalist Rating
Medalist Rating as of | See MFS Investment Hub
  • NAV / 1-Day Return 10.08  /  +0.10 %
  • Total Assets 161.0M
  • Adj. Expense Ratio
    1.600%
  • Expense Ratio 1.610%
  • Distribution Fee Level High
  • Share Class Type Deferred Load
  • Category Muni Single State Long
  • Credit Quality / Interest Rate Sensitivity Medium/Extensive
  • Min. Initial Investment 1,000
  • Status Closed
  • TTM Yield 2.48%
  • Effective Duration 7.99 years

USD | NAV as of Jun 18, 2026 | 1-Day Return as of Jun 18, 2026, 1:53 AM GMT+0

Morningstar’s Analysis MBMDX

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

  • People Pillar

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

null Morningstar Automated Analysis

Morningstar Automated Analysis

Summary

MFS MD 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 MBMDX

More MBMDX Holdings
  • Current Portfolio Date
  • Equity Holdings —
  • Bond Holdings —
  • Other Holdings —
  • % Assets in Top 10 Holdings 11.2
Top 10 Holdings
% Portfolio Weight
Market Value USD
Sector

Currency Cash CASH_USD

1.64 3M
Cash and Equivalents

MARYLAND ST ECONOMIC DEV CORP LEASE REV 5%

1.34 2M
municipal

MARYLAND ST ECONOMIC DEV CORP LEASE REV 5%

1.28 2M
municipal

MONTGOMERY CNTY MD 3.2%

1.20 2M
municipal

MARYLAND ST STAD AUTH REV 5%

1.16 2M
municipal

PUERTO RICO SALES TAX FING CORP SALES TAX REV 5%

1.13 2M
municipal

WASHINGTON D C MET AREA TRAN AUTH DEDICATED REV 5%

1.04 2M
municipal

PRINCE GEORGES CNTY MD 5%

1.04 2M
municipal

MARYLAND ST STAD AUTH BUILT LEARN REV 5%

1.02 2M
municipal

MARYLAND ST HEALTH & HIGHER EDL FACS AUTH REV 5.25%

1.02 2M
municipal

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