MFS Total Return Bond Fund Class I (MRBIX)

NASDAQ · Mutual Fund · Delayed Price · Currency is USD
9.58
-0.04 (-0.42%)
At close: Mar 12, 2026
Fund Assets8.51B
Expense Ratio0.45%
Min. Investment$0.00
Turnover75.00%
Dividend (ttm)0.40
Dividend Yield4.21%
Dividend Growth-1.46%
Payout FrequencyMonthly
Ex-Dividend DateFeb 27, 2026
Previous Close9.62
YTD Return-0.05%
1-Year Return4.95%
5-Year Return1.13%
52-Week Low9.33
52-Week High9.76
Beta (5Y)n/a
Holdings1076
Inception DateJan 4, 1999

About MRBIX

MFS Total Return Bond Fund I Shares is a mutual fund specializing in the fixed income market, aiming for high total return through a combination of current income and long-term capital growth. The fund primarily invests at least 65% of its assets in a diversified portfolio of bonds and other fixed income securities, focusing on U.S. issuers. It belongs to the intermediate core-plus bond category, providing exposure to a broad range of credit qualities and maturities. Utilizing an active management approach, the fund incorporates U.S. Treasuries, mortgage-backed securities, corporate bonds, and related derivatives to navigate shifting interest rate and credit environments. Notable features include a low expense ratio and monthly income distributions, making it suitable for investors seeking steady cash flow from bond market investments. With a large asset base and a history dating back to 1999, the fund holds a significant position in the core bond arena, serving institutions and individuals alike who are seeking diversified fixed income exposure within their portfolios.

Fund Family MFS
Category Intermediate Core-Plus Bond
Performance Rating Average
Risk Rating Average
Stock Exchange NASDAQ
Ticker Symbol MRBIX
Share Class I
Index Bloomberg U.S. Aggregate Bond TR

Performance

MRBIX had a total return of 4.95% in the past year, including dividends. Since the fund's inception, the average annual return has been 4.25%.

Equivalent Funds

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

SymbolProviderNameExpense Ratio
FGBPXFidelityFidelity Advisor Investment Grade Bond Fund - Class I0.50%
FSMTXFidelityFidelity SAI Total Bond Fund0.29%
FGBCXFidelityFidelity Advisor Investment Grade Bond Fund - Class C1.52%
FGBTXFidelityFidelity Advisor Investment Gr Bd M0.74%
FTKFXFidelityFidelity Total Bond K6 Fund0.30%

Other Share Classes

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

SymbolShare ClassExpense Ratio
MRBKXR60.36%
MRBJXR40.45%
MRBFXA0.60%
MRBHXR30.70%

Dividend History

Ex-DividendAmountPay Date
Feb 27, 2026$0.03203Mar 2, 2026
Jan 30, 2026$0.03367Feb 2, 2026
Dec 31, 2025$0.036Dec 31, 2025
Nov 28, 2025$0.03369Dec 1, 2025
Oct 31, 2025$0.03369Nov 3, 2025
Sep 30, 2025$0.03369Oct 1, 2025
Full Dividend History