MFBFX Mutual Fund

NAV$12.14

Fund Essentials - as of Jan 31, 2026

Net Assets
$1.5B
Expense Ratio
0.76%
Dividend Yield (Current)
4.14%
Holdings
429
Inception Date
May 8, 1974
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+4.22%
3 Year+5.34%
5 Year+0.20%
10 Year+2.60%

Asset Allocation

Bonds: 97.87%
Cash: 2.24%

Price Chart (6M)

Loading chart data...

Top Holdings

View All →
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 2.545 11/08/20320.74%
BA 5.805 05/01/50Boeing Co 5.805%, Due 05/01/20500.73%
-Charles Schwab Corporation 4.914% 14-Nov-2036, 4.91%, 11/14/360.61%
Top 10 Concentration: 7.86%Report Date: Jan 31, 2026
Download all 429 holdings for MFBFX
CSV export with sector, industry & share changes
Get CSV

Dividend Summary

View Details →
Dividend Yield (Current)
4.14%
Frequency
Monthly
Latest Distribution
$0.03
-

Peer Comparison

Benchmark
PRO
Peer outperformance: PRO
Category rank: PRO
This Mutual Fund
PRO
Peer Avg
PRO
See how MFBFX ranks against its peers
Category rank, peer-average returns and outperformance, updated daily.
$49$29/mo
Claim the $29 launch price
First 500 subscribers, then $49/mo. Cancel anytime. From MarketXLS, trusted since 2014.

MFBFX Mutual Fund Overview

MFBFX Mutual Fund (MFS Corporate Bond Fund Class A) is managed by MFS Investment Management with $1.52B in net assets. MFBFX expense ratio is 0.76%, holding 429 positions across sectors including Financials, Other, Utilities. Inception date: 1974-05-08.

MFBFX performance shows a YTD return of 1.05%. The 1-year return is 4.22% and the 5-year return is 0.20%. MFBFX dividend yield stands at 4.14%, paid monthly.

MFBFX top holdings include Mfs Institutional Money Market Portfolio (2.2%), Ubs Group Ag 144A 3.13% Aug 13, 2030 (0.8%), Jpmorgan Chase & Co 2.545 11/08/2032 (0.7%), Boeing Co 5.805%, Due 05/01/2050 (0.7%), Charles Schwab Corporation 4.914% 14-Nov-2036, 4.91%, 11/14/36 (0.6%). View all MFBFX holdings, sector breakdown, or dividend history.

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