MFS Corporate Bond Fund Class R6 (MFBKX)

NASDAQ · Mutual Fund · Delayed Price · Currency is USD
12.54
-0.03 (-0.24%)
Jan 16, 2026, 4:00 PM EST
3.13%
Fund Assets4.53B
Expense Ratio0.42%
Min. Investment$1,000
Turnover38.00%
Dividend (ttm)0.61
Dividend Yield4.88%
Dividend Growth3.75%
Payout FrequencyMonthly
Ex-Dividend DateDec 31, 2025
Previous Close12.57
YTD Return0.08%
1-Year Return8.34%
5-Year Return1.80%
52-Week Low11.55
52-Week High12.58
Beta (5Y)n/a
Holdings429
Inception DateJun 1, 2012

About MFBKX

MFS Corporate Bond Fund Class R6 is an open-end mutual fund focused on corporate debt securities. Its primary objective is to achieve total return, with an emphasis on generating current income while also considering capital appreciation. The fund invests at least 80% of its assets in investment-grade corporate bonds, but also has allocations to below investment-grade bonds, U.S. Treasuries, foreign securities, and other fixed-income assets. This diversified approach allows for broad sector exposure and risk management through both fundamental and quantitative analysis. The fund’s portfolio typically features a high proportion of investment-grade corporates, complemented by smaller allocations to high yield, emerging market debt, and various types of asset-backed securities. MFS Corporate Bond Fund Class R6 serves institutional or retirement accounts by offering R6 share class benefits such as lower expense ratios and no sales charges, making it appealing for cost-conscious investors. Its significance in the market derives from its role as a stable fixed-income option, designed to provide income and diversification within broader portfolios, especially for investors seeking consistent monthly distributions from a robust pool of high-quality debt instruments.

Fund Family MFS
Category Corporate Bond
Performance Rating Above Average
Risk Rating Above Average
Stock Exchange NASDAQ
Ticker Symbol MFBKX
Share Class R6
Index Bloomberg U.S. Credit TR

Performance

MFBKX had a total return of 8.34% in the past year, including dividends. Since the fund's inception, the average annual return has been 7.75%.

Equivalent Funds

These are funds that follow the same index from the other major fund companies.

SymbolProviderNameExpense Ratio
FIKOXFidelityFidelity Advisor Corporate Bond Fund - Class Z0.36%
FCCCXFidelityFidelity Advisor Corporate Bond Fund - Class C1.54%
FCBAXFidelityFidelity Advisor Corporate Bond Fund - Class A0.77%
FCBTXFidelityFidelity Advisor Corporate Bond Fund - Class M0.82%
FCBIXFidelityFidelity Advisor Corporate Bond Fund - Class I0.50%

Other Share Classes

These are alternative share classes of the same fund, from the same provider.

SymbolShare ClassExpense Ratio
MFBJXR40.52%
MBDIXI0.52%
MFBFXA0.77%
MFBHXR30.77%

Top 10 Holdings

12.34% of assets
NameSymbolWeight
US Treasury Bond Future Mar 26n/a2.63%
2 Year Treasury Note Future Mar 26n/a2.55%
Ultra US Treasury Bond Future Mar 26n/a1.79%
Currency Cash CASH_USDn/a1.14%
United States Treasury Bonds 5%T.5 05.15.450.86%
UBS Group AG 3.13%UBS.V3.126 08.13.30 144A0.74%
JPMorgan Chase & Co. 2.55%JPM.V2.545 11.08.320.73%
Boeing Co. 5.81%BA.5.805 05.01.500.72%
The Charles Schwab Corporation 4.91%SCHW.V4.914 11.14.360.60%
Carlyle Group Inc 5.05%CG.5.05 09.19.350.58%
View More Holdings

Dividend History

Ex-DividendAmountPay Date
Dec 31, 2025$0.05146Dec 31, 2025
Nov 28, 2025$0.05146Dec 1, 2025
Oct 31, 2025$0.05146Nov 3, 2025
Sep 30, 2025$0.05146Oct 1, 2025
Aug 29, 2025$0.05146Sep 2, 2025
Jul 31, 2025$0.05146Aug 1, 2025
Full Dividend History