MFBBX Mutual Fund

MFBBX Mutual Fund

NAV$11.99
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Fund Essentials - as of Jan 31, 2026

Net Assets
$139,130.94
Expense Ratio
1.51%
Dividend Yield (Current)
3.48%
Holdings
429
Inception Date
Sep 7, 1993
Fund Family
MFS Investment Management
Investment Style
PRO
Asset Class
PRO
Legal Structure
PRO
Dividend Frequency
Monthly
SEC 30-Day Yield
PRO

Performance

YTD-1.05%
1 Year+1.59%
3 Year+3.85%
5 Year-1.12%
10 Year+1.44%

Asset Allocation

Bonds: 97.87%
Cash: 2.24%
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Top Holdings

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TickerNameWeight
-Mfs Institutional Money Market Portfolio2.23%
UBS V3.126 08/13/30 Ubs Group Ag 144A 3.13% Aug 13, 20300.76%
JPM V2.545 11/08/32Jpmorgan Chase & Co 2032-11-080.74%
BA 5.805 05/01/50Boeing Co 5.805%, Due 05/01/20500.73%
-Charles Schwab Corp Sr Unsecured 11/36 Var0.61%
Top 10 Concentration: 7.86%Report Date: Jan 31, 2026
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Dividend Summary

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Dividend Yield (Current)
3.48%
Frequency
Monthly
Latest Distribution
$0.02
-

Peer Comparison

Benchmark
PRO
Peer outperformance: PRO
Category rank: PRO
This Mutual Fund
PRO
Peer Avg
PRO

MFBBX Mutual Fund Overview

MFBBX Mutual Fund (MFS Corporate Bond Fund Class B) is managed by MFS Investment Management with $139,130.94 in net assets. MFBBX expense ratio is 1.51%, holding 429 positions across sectors including Financials, Utilities, Industrials. Inception date: 1993-09-07.

MFBBX performance shows a YTD return of -1.05%. The 1-year return is 1.59% and the 5-year return is -1.12%. MFBBX dividend yield stands at 3.48%, paid monthly.

MFBBX top holdings include Mfs Institutional Money Market Portfolio (2.2%), Ubs Group Ag 144A 3.13% Aug 13, 2030 (0.8%), Jpmorgan Chase & Co 2032-11-08 (0.7%), Boeing Co 5.805%, Due 05/01/2050 (0.7%), Charles Schwab Corp Sr Unsecured 11/36 Var (0.6%). Go to all MFBBX holdings, MFBBX sectors, or MFBBX dividends.

MFBBX can be compared against other funds. Use MFBBX overlap to find shared positions, or MFBBX vs another fund for a side-by-side view. MFBBX alternatives are available via the screener, along with tax-loss harvesting opportunities.