MFS Municipal High Income Fund Class R6 MMHKX

Medalist Rating as of Jul 2, 2026 See MFS Investment Hub

NAV and 1-Day Return as of Nov 14, 2026, 2:13:40 AM

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 MMHKX’s performance objective and investment process is for both security selection and portfolio construction.
People Pillar
The People Pillar is our evaluation of the MMHKX 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 MMHKX’s parent organization’s priorities and whether they’re in line with investors’ interests.

Tom Murphy

Associate Director

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

by Tom Murphy

Rated on Jul 2, 2026 Published on Jul 2, 2026

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Portfolio Holdings MMHKX

Top 10 Holdings	% Portfolio Weight	Market Value USD	Sector
Currency Cash CASH_USD	1.97	102M	Cash and Equivalents
PUERTO RICO SALES TAX FING CORP SALES TAX REV 5%	1.82	94M	municipal
BERKS CNTY PA MUN AUTH REV 5%	0.60	31M	municipal
BUCKEYE OHIO TOB SETTLEMENT FING AUTH 5%	0.55	29M	municipal
CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REV 5.25%	0.52	27M	municipal
NATIONAL FIN AUTH N H LEASE RENT REV 5.88%	0.44	23M	municipal
PUBLIC FIN AUTH WIS HOSP REV 5.5%	0.43	22M	municipal
NEW YORK TRANSN DEV CORP SPL FAC REV 5.25%	0.42	22M	municipal
NATIONAL FIN AUTH N H REV 5.5%	0.38	20M	municipal
TOBACCO SETTLEMENT AUTH IOWA TOB SETTLEMENT REV 0%	0.36	18M	municipal