MMUBX Mutual Fund

NAV$25.74

Fund Essentials - as of Jan 31, 2026

Net Assets
$2M
Expense Ratio
1.75%
Dividend Yield (Current)
2.92%
Holdings
45
Inception Date
Sep 7, 1993
Fund Family
MFS Investment Management
Investment Style
PRO
Asset Class
PRO
Legal Structure
PRO
Dividend Frequency
Quarterly
SEC 30-Day Yield
PRO

Performance

YTD+6.92%
1 Year+16.14%
3 Year+9.10%
5 Year+7.06%
10 Year+7.52%

Asset Allocation

Stocks: 99.64%
Cash: 0.51%

Price Chart (6M)

Loading chart data...

Top Holdings

View All →
TickerNameWeight
NEENextera Energy Inc12.93%
CEGConstellation Energy Corp6.78%
PCGPg&E Corp5.60%
XELXcel Energy Inc.5.32%
SRESempra Energy4.82%
Top 10 Concentration: 54.69%Report Date: Jan 31, 2026
Download all 45 holdings for MMUBX
CSV export with sector, industry & share changes
Get CSV

Dividend Summary

View Details →
Dividend Yield (Current)
2.92%
Frequency
Quarterly
Latest Distribution
$1.12
-

Peer Comparison

Benchmark
PRO
Peer outperformance: PRO
Category rank: PRO
This Mutual Fund
PRO
Peer Avg
PRO
See how MMUBX ranks against its peers
Category rank, peer-average returns and outperformance, updated daily.
$99/yr
7-day refund. Cancel anytime.
X-ray my whole portfolio
$99/yr Pro · 7-day refund. From MarketXLS, trusted since 2014.

MMUBX Mutual Fund Overview

MMUBX Mutual Fund (MFS Utilities Fund Class B) is managed by MFS Investment Management with $1.9M in net assets. MMUBX expense ratio is 1.75%, holding 45 positions across sectors including Utilities, Unknown, Other. Inception date: 1993-09-07.

MMUBX performance shows a YTD return of 6.92%. The 1-year return is 16.14% and the 5-year return is 7.06%. MMUBX dividend yield stands at 2.92%, paid quarterly.

MMUBX top holdings include Nextera Energy Inc (12.9%), Constellation Energy Corp (6.8%), Pg&E Corp (5.6%), Xcel Energy Inc. (5.3%), Sempra Energy (4.8%). View all MMUBX holdings, sector breakdown, or dividend history.

MMUBX can be compared against other funds using the overlap calculator or side-by-side comparison tool. MMUBX alternatives are available via the screener, along with tax-loss harvesting opportunities.