MFS Total Return Bond Fund Class I (MRBIX)
| Fund Assets | 8.39B |
| Expense Ratio | 0.45% |
| Min. Investment | $0.00 |
| Turnover | 75.00% |
| Dividend (ttm) | 0.42 |
| Dividend Yield | 4.31% |
| Dividend Growth | 3.44% |
| Payout Frequency | Monthly |
| Ex-Dividend Date | Nov 28, 2025 |
| Previous Close | 9.66 |
| YTD Return | 6.73% |
| 1-Year Return | 5.22% |
| 5-Year Return | 0.62% |
| 52-Week Low | 8.92 |
| 52-Week High | 9.71 |
| Beta (5Y) | n/a |
| Holdings | 1088 |
| Inception Date | Jan 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.
Performance
MRBIX had a total return of 5.22% in the past year, including dividends. Since the fund's inception, the average annual return has been 8.86%.
Equivalent Funds
These are funds that follow the same index from the other major fund companies.
Top 10 Holdings
26.09% of assets| Name | Symbol | Weight |
|---|---|---|
| Ust Bond 2Yr Future Dec 31 25 | n/a | 4.79% |
| Ust Bond 5Yr Future Dec 31 25 | n/a | 4.21% |
| United States Treasury Notes 4.13% | T.4.125 02.15.27 | 3.87% |
| Ultra US Treasury Bond Future Dec 25 | n/a | 2.51% |
| United States Treasury Bonds 4.75% | T.4.75 11.15.43 | 2.21% |
| United States Treasury Notes 4.25% | T.4.25 06.30.29 | 2.06% |
| United States Treasury Bonds 4.25% | T.4.25 02.15.54 | 2.06% |
| United States Treasury Notes 4.25% | T.4.25 11.15.34 | 1.94% |
| Currency Cash CASH_USD | n/a | 1.24% |
| United States Treasury Bonds 4.38% | T.4.375 08.15.43 | 1.19% |
Dividend History
| Ex-Dividend | Amount | Pay Date |
|---|---|---|
| Nov 28, 2025 | $0.03369 | Dec 1, 2025 |
| Oct 31, 2025 | $0.03369 | Nov 3, 2025 |
| Sep 30, 2025 | $0.03369 | Oct 1, 2025 |
| Aug 29, 2025 | $0.03367 | Sep 2, 2025 |
| Jul 31, 2025 | $0.03367 | Aug 1, 2025 |
| Jun 30, 2025 | $0.03367 | Jul 1, 2025 |