Morningstar

Thornburg Strategic Municipal Income Fund Class I TSSIX

Morningstar Medalist Rating
Medalist Rating as of | See Thornburg Investment Hub
  • NAV / 1-Day Return 13.25  /  −0.23 %
  • Total Assets 416.7M
  • Adj. Expense Ratio
    0.500%
  • Expense Ratio 0.590%
  • Distribution Fee Level Average
  • Share Class Type Institutional
  • Category Muni National Interm
  • Credit Quality / Interest Rate Sensitivity —
  • Min. Initial Investment 3M
  • Status Open
  • TTM Yield 4.47%
  • Effective Duration 7.24 years

USD | NAV as of Oct 06, 2026 | 1-Day Return as of Oct 06, 2026, 10:09 PM GMT+0

Morningstar’s Analysis TSSIX

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

  • People Pillar

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

null Morningstar Automated Analysis

Morningstar Automated Analysis

Summary

Thornburg Strategic Municipal Income I holds a quantitatively derived Bronze Morningstar Medalist Rating. The rating reflects that it has scored better than the norm on factors Morningstar research associates with future outperformance relative to category peers.

by Morningstar Automated Analysis
Rated on Published on

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Portfolio Holdings TSSIX

More TSSIX Holdings
  • Current Portfolio Date
  • Equity Holdings —
  • Bond Holdings —
  • Other Holdings —
  • % Assets in Top 10 Holdings 13.1
Top 10 Holdings
% Portfolio Weight
Market Value USD
Sector

GULF COAST INDL DEV AUTH TEX REV 3%

2.70 12M
municipal

MONTGOMERY CNTY MD 2.95%

1.99 9M
municipal

KENTUCKY INC KY PUB ENERGY AUTH GAS SUPLLY REV 4%

1.27 6M
municipal

PATRIOTS ENERGY GROUP FING AGY S C GAS SUPPLY REV 5.25%

1.21 5M
municipal

KENTUCKY INC KY PUB ENERGY AUTH GAS SUPLLY REV 5.25%

1.20 5M
municipal

TEXAS MUN GAS ACQUISTION & SUPPLY CORP VI GAS SUPPLY REV 5.25%

1.10 5M
municipal

CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REV 5.25%

1.01 4M
municipal

TARRANT CNTY TEX HSG FIN CORP MULTIFAMILY TAX-EXEMPT BDS 4.6%

0.90 4M
municipal

MAIN STR NAT GAS INC GA GAS SUPPLY REV 5%

0.88 4M
municipal

CHANDLER ARIZ INDL DEV AUTH INDL DEV REV 5%

0.84 4M
municipal

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