Mfs Total Return Bond Fund Class R6 (MRBKX) Fund Details & Analysis

Fund Information

Fund Category Intermediate Core-Plus Bond

Fund Family MFS

Fund Style Large

ISIN US55274K6038

CUSIP 55274K603

Inception Date -

Domicile -

Country USA

Fiscal Year End -

NAV Chart

Fund Metrics

Net Assets $5.47 Billion

Share Class Net Assets $-

Expense Ratio 0.36%

Expense Ratio Date -

Dividend Yield 0.04%

Morning Star Rating -

Morning Star Risk Rating -

Morning Star Category -

Performance

YTD Return 0.39%

1-Year Return 7.64%

3-Year Return 4.56%

5-Year Return 0.38%

NAV $9.66

Previous Close Price $9.66

Last Update 2025-12-31

Dividend Information

Dividend Yield 0.04%

Dividend (ttm) 0.17

Dividend Growth -58.12%

Payout Frequency Annual

Ex-Dividend Date n/a

Ratings

Morning Star Rating -

Morning Star Risk Rating -

Morning Star Category -

Beta (5Y) 1.23

About MFS Total Return Bond Fund Class R6

The fund normally invests at least 80% of its net assets in debt instruments. Debt instruments include corporate bonds, U.S. government securities, foreign government securities, securitized instruments, municipal instruments and other obligations to repay money borrowed. It primarily invests the fund's assets in investment grade quality debt instruments, but may also invest in below investment grade quality debt instruments.

Detailed Metrics

Market Cap Distribution

AverageMarketCap %

Giant %

Large %

Medium %

Micro %

Small %

Value & Growth Metrics

Book-Value Growth % %

Cash-Flow Growth % %

Dividend Yield % %

Historical Earnings % %

Long-Term Earnings % %

Asset Allocation

Type	Net %	Long %	Short %	Category Average	benchmark
Bond	109.99%	109.99%	0.00%	110.74%	100.00%
Cash	-10.99%	1.39%	12.37%	4.15%	0.00%
Non US Stock	0.00%	0.00%	0.00%	0.01%	0.00%
Not Classified	0.99%	0.99%	0.00%	0.61%	0.00%
Other	0.00%	0.00%	0.00%	0.42%	0.00%
US Stock	0.00%	0.00%	0.00%	0.57%	0.00%

Top Holdings

Name	Weight	Owned	Change
U.S. Treasury Notes	1.13%	-	-
MFS Institutional Money Market Portfolio, Class A	3.09%	-	-
U.S. Treasury Bonds	1.07%	-	-
UMBS	1.12%	-	-

See the full breakdown of MRBKX fund's asset allocation and top holdings .

Sector Weights

Category	Subcategory	Amount %	Category Avg	Stocks %	Benchmark
Bond Sector	Cash and Equivalents	0.00%	3.11%	1.18%	0.00%
Bond Sector	Corporate	0.00%	25.46%	31.91%	43.38%
Bond Sector	Derivative	0.00%	3.06%	0.00%	0.00%
Bond Sector	Government	0.00%	31.24%	32.51%	53.77%
Bond Sector	Municipal	0.00%	0.59%	0.85%	0.04%
Bond Sector	Securitized	0.00%	36.55%	33.56%	2.81%
Cyclical	Basic Materials	0.00%	0.00%	0.00%	0.00%
Cyclical	Consumer Cyclical	0.00%	0.00%	0.00%	0.00%
Cyclical	Financial Services	0.00%	0.00%	0.00%	0.00%
Cyclical	Real Estate	0.00%	0.00%	0.00%	0.00%
Defensive	Consumer Defensive	0.00%	0.00%	0.00%	0.00%
Defensive	Healthcare	0.00%	0.00%	0.00%	0.00%
Defensive	Utilities	0.00%	0.00%	0.00%	0.00%
Sensitive	Communication Services	0.00%	0.00%	0.00%	0.00%
Sensitive	Energy	0.00%	0.00%	0.00%	0.00%
Sensitive	Industrials	0.00%	0.00%	0.00%	0.00%
Sensitive	Technology	0.00%	0.00%	0.00%	0.00%

World Regions

Region	Subregion	Category Average	Stocks Percent	Benchmark
Americas	Latin America	-	-	-
Americas	North America	-	-	-
Greater Asia	Asia Developed	-	-	-
Greater Asia	Asia Emerging	-	-	-
Greater Asia	Australasia	-	-	-
Greater Asia	Japan	-	-	-
Greater Europe	Africa/Middle East	-	-	-
Greater Europe	Europe Developed	-	-	-
Greater Europe	Europe Emerging	-	-	-
Greater Europe	United Kingdom	0.53%	-	-

Dividend History

Date	Amount	Unadjusted Amount	Currency	Declaration Date	Record Date	Payment Date	Period
2024-12-31	$0.046	$0.000	None	-	-	-	-
2024-11-29	$0.034	$0.034	USD	-	-	-	-
2024-10-31	$0.034	$0.034	USD	-	2024-10-31	2024-11-01	Monthly
2024-09-30	$0.034	$0.034	USD	-	2024-09-30	2024-10-01	Monthly
2024-08-30	$0.034	$0.034	USD	-	2024-08-30	2024-09-03	Monthly
2024-07-31	$0.034	$0.034	USD	-	2024-07-31	2024-08-01	Monthly
2024-06-28	$0.034	$0.034	USD	-	2024-06-28	2024-07-01	Monthly
2024-05-31	$0.033	$0.033	USD	-	2024-05-31	2024-06-03	Monthly
2024-04-30	$0.033	$0.033	USD	-	2024-04-30	2024-05-01	Monthly
2024-03-28	$0.033	$0.033	USD	-	2024-03-28	2024-04-01	Monthly
2024-02-29	$0.034	$0.034	USD	-	2024-02-29	2024-03-01	Monthly
2024-01-31	$0.034	$0.034	USD	-	2024-01-31	2024-02-01	Monthly
2023-12-29	$0.037	$0.037	USD	-	2023-12-29	2023-12-29	Monthly
2023-11-30	$0.035	$0.035	USD	-	2023-11-30	2023-12-01	Monthly
2023-10-31	$0.035	$0.035	USD	-	2023-10-31	2023-11-01	Monthly
2023-09-29	$0.035	$0.035	USD	-	2023-09-29	2023-10-02	Monthly
2023-08-31	$0.034	$0.034	USD	-	2023-08-31	2023-09-01	Monthly
2023-07-31	$0.033	$0.033	USD	-	2023-07-31	2023-08-01	Monthly
2023-06-30	$0.033	$0.033	USD	-	2023-06-30	2023-07-03	Monthly
2023-05-31	$0.032	$0.032	USD	-	2023-05-31	2023-06-01	Monthly
2023-04-28	$0.033	$0.033	USD	-	2023-04-28	2023-05-01	Monthly
2023-03-31	$0.032	$0.032	USD	-	2023-03-31	2023-04-03	Monthly
2023-02-28	$0.032	$0.032	USD	-	2023-02-28	2023-03-01	Monthly
2023-01-31	$0.032	$0.032	USD	-	2023-01-31	2023-02-01	Monthly
2022-12-30	$0.052	$0.052	USD	-	2022-12-30	2022-12-30	Monthly
2022-11-30	$0.028	$0.028	USD	-	2022-11-30	2022-12-01	Monthly
2022-10-31	$0.026	$0.026	USD	-	2022-10-31	2022-11-01	Monthly
2022-09-30	$0.025	$0.025	USD	-	2022-09-30	2022-10-03	Monthly
2022-08-31	$0.024	$0.024	USD	-	2022-08-31	2022-09-01	Monthly
2022-07-29	$0.023	$0.023	USD	-	2022-07-29	2022-08-01	Monthly
2022-06-30	$0.023	$0.023	USD	-	2022-06-30	2022-07-01	Monthly
2022-05-31	$0.022	$0.022	USD	-	2022-05-31	2022-06-01	Monthly
2022-04-29	$0.021	$0.021	USD	-	2022-04-29	2022-05-02	Monthly
2022-03-31	$0.020	$0.020	USD	-	2022-03-31	2022-04-01	Monthly
2022-02-28	$0.019	$0.019	USD	-	2022-02-28	2022-03-01	Monthly
2022-01-31	$0.019	$0.019	USD	-	2022-01-31	2022-02-01	Monthly
2021-12-31	$0.019	$0.019	USD	-	2021-12-31	2021-12-31	Monthly
2021-12-07	$0.000	$0.000	None	-	-	-	-
2021-11-30	$0.019	$0.019	USD	-	2021-11-30	2021-12-01	Monthly
2021-10-29	$0.019	$0.019	USD	-	2021-10-29	2021-11-01	Monthly
2021-09-30	$0.020	$0.020	USD	-	2021-09-30	2021-10-01	Monthly
2021-08-31	$0.021	$0.021	USD	-	2021-08-31	2021-09-01	Monthly
2021-07-30	$0.021	$0.021	USD	-	2021-07-30	2021-08-02	Monthly
2021-06-30	$0.021	$0.021	USD	-	2021-06-30	2021-07-01	Monthly
2021-05-28	$0.021	$0.021	USD	-	2021-05-28	2021-06-01	Monthly
2021-04-30	$0.022	$0.022	USD	-	2021-04-30	2021-05-03	Monthly
2021-03-31	$0.021	$0.021	USD	-	2021-03-31	2021-04-01	Monthly
2021-02-26	$0.022	$0.022	USD	-	2021-02-26	2021-03-01	Monthly
2021-01-29	$0.023	$0.023	USD	-	2021-01-29	2021-02-01	Monthly
2020-12-31	$0.024	$0.024	USD	-	2020-12-31	2020-12-31	Monthly
2020-12-08	$0.000	$0.000	None	-	-	-	-
2020-11-30	$0.025	$0.025	USD	-	2020-11-30	2020-12-01	Monthly
2020-10-30	$0.026	$0.026	USD	-	2020-10-30	2020-11-02	Monthly
2020-09-30	$0.027	$0.027	USD	-	2020-09-30	2020-10-01	Monthly
2020-08-31	$0.028	$0.028	USD	-	2020-08-31	2020-09-01	Monthly
2020-07-31	$0.028	$0.028	USD	-	2020-07-31	2020-08-03	Monthly
2020-06-30	$0.028	$0.028	USD	-	2020-06-30	2020-07-01	Monthly
2020-05-29	$0.027	$0.027	USD	-	2020-05-29	2020-06-01	Monthly
2020-04-30	$0.027	$0.027	USD	-	2020-04-30	2020-05-01	Monthly
2020-03-31	$0.026	$0.026	USD	-	2020-03-31	2020-04-01	Monthly
2020-02-28	$0.026	$0.026	USD	-	2020-02-28	2020-03-02	Monthly
2020-01-31	$0.027	$0.027	USD	-	2020-01-31	2020-02-03	Monthly
2019-12-31	$0.027	$0.027	USD	-	2019-12-31	2019-12-31	Monthly
2019-11-29	$0.027	$0.027	USD	-	2019-11-29	2019-12-02	Monthly
2019-10-31	$0.028	$0.028	USD	-	2019-10-31	2019-11-01	Monthly
2019-09-30	$0.028	$0.028	USD	-	2019-09-30	2019-10-01	Monthly
2019-08-30	$0.029	$0.029	USD	-	2019-08-30	2019-09-03	Monthly
2019-07-31	$0.030	$0.030	USD	-	2019-07-31	2019-08-01	Monthly
2019-06-28	$0.031	$0.031	USD	-	2019-06-28	2019-07-01	Monthly
2019-05-31	$0.031	$0.031	USD	2019-06-03	2019-05-31	2019-06-03	Monthly
2019-04-30	$0.031	$0.031	USD	2019-05-01	2019-04-30	2019-05-01	Monthly
2019-03-29	$0.030	$0.030	USD	2019-04-01	2019-03-29	2019-04-01	Monthly
2019-02-28	$0.028	$0.028	USD	2019-03-01	2019-02-28	2019-03-01	Monthly
2019-01-31	$0.028	$0.028	USD	2019-02-01	2019-01-31	2019-02-01	Monthly
2018-12-31	$0.028	$0.028	USD	2019-01-02	2018-12-31	2018-12-31	Monthly
2018-11-30	$0.028	$0.028	USD	2018-12-04	2018-11-30	2018-12-03	Monthly
2018-10-31	$0.026	$0.026	USD	2018-11-02	2018-10-31	2018-11-01	Monthly
2018-09-28	$0.026	$0.026	USD	-	-	-	-
2018-08-31	$0.026	$0.026	USD	2018-09-01	2018-08-31	2018-09-04	Monthly
2018-07-31	$0.026	$0.026	USD	2018-08-02	2018-07-31	2018-08-01	Monthly
2018-06-29	$0.026	$0.026	USD	2018-07-02	2018-06-29	2018-07-02	Monthly
2018-05-31	$0.025	$0.025	USD	2018-06-01	2018-05-31	2018-06-01	Monthly
2018-04-30	$0.025	$0.025	USD	2018-05-01	2018-04-30	2018-05-01	Monthly
2018-03-29	$0.024	$0.024	USD	-	-	-	-
2018-02-28	$0.024	$0.024	USD	2018-03-01	2018-02-28	2018-03-01	Monthly
2018-01-31	$0.023	$0.023	USD	2018-02-02	2018-01-31	2018-02-01	Monthly
2017-12-29	$0.024	$0.024	USD	2018-01-03	2017-12-29	2017-12-29	Monthly
2017-11-30	$0.024	$0.024	USD	2017-12-02	2017-11-30	2017-12-01	Monthly
2017-10-31	$0.024	$0.024	USD	2017-11-02	2017-10-31	2017-11-01	Monthly
2017-09-29	$0.024	$0.024	USD	2017-10-03	2017-09-29	2017-10-02	Monthly
2017-08-31	$0.024	$0.024	USD	2017-09-04	2017-08-31	2017-09-01	Monthly
2017-07-31	$0.024	$0.024	USD	2017-09-21	2017-07-31	2017-08-01	Monthly
2017-06-30	$0.024	$0.024	USD	-	-	-	-
2017-05-31	$0.024	$0.024	USD	-	-	-	-
2017-04-28	$0.025	$0.025	USD	-	-	-	-
2017-03-31	$0.026	$0.026	USD	-	-	-	-
2017-02-28	$0.026	$0.026	USD	-	-	-	-
2017-01-31	$0.026	$0.026	USD	-	-	-	-
2016-12-30	$0.026	$0.026	USD	-	-	-	-
2016-11-30	$0.026	$0.026	USD	-	-	-	-
2016-10-31	$0.026	$0.026	USD	-	-	-	-
2016-09-30	$0.027	$0.027	USD	-	-	-	-
2016-08-31	$0.027	$0.027	USD	-	-	-	-
2016-07-29	$0.028	$0.028	USD	-	-	-	-
2016-06-30	$0.028	$0.028	USD	-	-	-	-
2016-05-31	$0.029	$0.029	USD	-	-	-	-
2016-04-29	$0.030	$0.030	USD	-	-	-	-
2016-03-31	$0.028	$0.028	USD	-	-	-	-
2016-02-29	$0.028	$0.028	USD	-	-	-	-
2016-01-29	$0.027	$0.027	USD	-	-	-	-
2015-12-31	$0.027	$0.027	USD	-	-	-	-
2015-12-11	$0.040	$0.040	USD	2015-12-10	2015-12-10	2015-12-10	Other
2015-12-10	$0.000	$0.000	None	-	-	-	-
2015-11-30	$0.029	$0.029	USD	-	-	-	-
2015-10-30	$0.031	$0.031	USD	-	-	-	-
2015-09-30	$0.031	$0.031	USD	-	-	-	-
2015-08-31	$0.029	$0.029	USD	-	-	-	-
2015-07-31	$0.028	$0.028	USD	-	-	-	-
2015-06-30	$0.028	$0.028	USD	-	-	-	-
2015-05-29	$0.028	$0.028	USD	-	-	-	-
2015-04-30	$0.027	$0.027	USD	-	-	-	-
2015-03-31	$0.025	$0.025	USD	-	-	-	-
2015-02-27	$0.025	$0.025	USD	-	-	-	-
2015-01-30	$0.026	$0.026	USD	-	-	-	-
2014-12-31	$0.034	$0.034	USD	-	-	-	-
2014-12-12	$0.042	$0.042	USD	2014-12-11	2014-12-11	2014-12-11	Other
2014-12-11	$0.000	$0.000	None	-	-	-	-
2014-11-28	$0.026	$0.026	USD	-	-	-	-
2014-10-31	$0.026	$0.026	USD	-	-	-	-
2014-09-30	$0.028	$0.028	USD	-	-	-	-
2014-08-29	$0.028	$0.028	USD	-	-	-	-
2014-07-31	$0.029	$0.029	USD	-	-	-	-
2014-06-30	$0.030	$0.030	USD	-	-	-	-
2014-05-30	$0.030	$0.030	USD	-	-	-	-
2014-04-30	$0.031	$0.031	USD	-	-	-	-
2014-03-31	$0.031	$0.031	USD	-	-	-	-
2014-02-28	$0.031	$0.031	USD	-	-	-	-
2014-01-31	$0.031	$0.031	USD	-	-	-	-
2013-12-31	$0.031	$0.031	USD	-	-	-	-
2013-12-02	$0.005	$0.005	USD	2013-11-29	2013-11-29	2013-12-02	Other
2013-11-29	$0.031	$0.031	USD	-	-	-	-
2013-10-31	$0.030	$0.030	USD	-	-	-	-
2013-09-30	$0.028	$0.028	USD	-	-	-	-
2013-08-30	$0.028	$0.028	USD	-	-	-	-
2013-07-31	$0.028	$0.028	USD	-	-	-	-
2013-06-28	$0.028	$0.028	USD	-	-	-	-
2013-05-31	$0.028	$0.028	USD	-	-	-	-
2013-04-30	$0.029	$0.029	USD	-	-	-	-
2013-03-28	$0.028	$0.028	USD	-	-	-	-
2013-02-28	$0.029	$0.029	USD	-	-	-	-
2013-01-31	$0.031	$0.031	USD	-	-	-	-
2012-12-31	$0.031	$0.031	USD	-	-	-	-
2012-11-30	$0.032	$0.032	USD	-	-	-	-
2012-10-31	$0.032	$0.032	USD	-	-	-	-
2012-09-28	$0.032	$0.032	USD	-	-	-	-
2012-08-31	$0.032	$0.032	USD	-	-	-	-
2012-07-31	$0.033	$0.033	USD	-	-	-	-
2012-06-29	$0.033	$0.033	USD	-	-	-	-
2012-05-31	$0.031	$0.000	None	-	-	-	-
2012-04-30	$0.031	$0.000	None	-	-	-	-
2012-03-30	$0.032	$0.000	None	-	-	-	-
2012-02-29	$0.033	$0.000	None	-	-	-	-
2012-01-31	$0.033	$0.000	None	-	-	-	-
2011-12-30	$0.033	$0.000	None	-	-	-	-
2011-11-30	$0.033	$0.000	None	-	-	-	-
2011-10-31	$0.033	$0.000	None	-	-	-	-
2011-09-30	$0.033	$0.000	None	-	-	-	-
2011-08-31	$0.035	$0.000	None	-	-	-	-
2011-07-29	$0.035	$0.000	None	-	-	-	-
2011-06-30	$0.034	$0.000	None	-	-	-	-
2011-05-31	$0.034	$0.000	None	-	-	-	-
2011-04-29	$0.034	$0.000	None	-	-	-	-
2011-03-31	$0.035	$0.000	None	-	-	-	-
2011-02-28	$0.035	$0.000	None	-	-	-	-
2011-01-31	$0.035	$0.000	None	-	-	-	-
2010-12-31	$0.035	$0.000	None	-	-	-	-
2010-11-30	$0.035	$0.000	None	-	-	-	-
2010-10-29	$0.035	$0.000	None	-	-	-	-
2010-09-30	$0.034	$0.000	None	-	-	-	-
2010-08-31	$0.035	$0.000	None	-	-	-	-
2010-07-30	$0.035	$0.000	None	-	-	-	-
2010-06-30	$0.036	$0.000	None	-	-	-	-
2010-05-28	$0.035	$0.000	None	-	-	-	-
2010-04-30	$0.035	$0.000	None	-	-	-	-
2010-03-31	$0.037	$0.000	None	-	-	-	-
2010-02-26	$0.038	$0.000	None	-	-	-	-
2010-01-29	$0.039	$0.000	None	-	-	-	-
2009-12-31	$0.040	$0.000	None	-	-	-	-
2009-11-30	$0.041	$0.000	None	-	-	-	-
2009-10-30	$0.043	$0.000	None	-	-	-	-
2009-09-30	$0.043	$0.000	None	-	-	-	-
2009-08-31	$0.043	$0.000	None	-	-	-	-
2009-07-31	$0.044	$0.000	None	-	-	-	-
2009-06-30	$0.043	$0.000	None	-	-	-	-
2009-05-29	$0.041	$0.000	None	-	-	-	-
2009-04-30	$0.041	$0.000	None	-	-	-	-
2009-03-31	$0.041	$0.000	None	-	-	-	-
2009-02-27	$0.041	$0.000	None	-	-	-	-
2009-01-30	$0.041	$0.000	None	-	-	-	-
2008-12-31	$0.083	$0.000	None	-	-	-	-
2008-11-28	$0.042	$0.000	None	-	-	-	-
2008-10-31	$0.040	$0.000	None	-	-	-	-
2008-09-30	$0.040	$0.000	None	-	-	-	-
2008-08-29	$0.040	$0.000	None	-	-	-	-
2008-07-31	$0.040	$0.000	None	-	-	-	-
2008-06-30	$0.040	$0.000	None	-	-	-	-
2008-05-30	$0.042	$0.000	None	-	-	-	-
2008-04-30	$0.042	$0.000	None	-	-	-	-
2008-03-31	$0.042	$0.000	None	-	-	-	-
2008-02-29	$0.045	$0.000	None	-	-	-	-
2008-01-31	$0.044	$0.000	None	-	-	-	-
2007-12-31	$0.045	$0.000	None	-	-	-	-
2007-11-30	$0.044	$0.000	None	-	-	-	-
2007-10-31	$0.045	$0.000	None	-	-	-	-
2007-09-28	$0.043	$0.000	None	-	-	-	-
2007-08-31	$0.043	$0.000	None	-	-	-	-
2007-07-31	$0.041	$0.000	None	-	-	-	-
2007-06-29	$0.041	$0.000	None	-	-	-	-
2007-05-31	$0.041	$0.000	None	-	-	-	-
2007-04-30	$0.041	$0.000	None	-	-	-	-
2007-03-30	$0.041	$0.000	None	-	-	-	-
2007-02-28	$0.041	$0.000	None	-	-	-	-
2007-01-31	$0.041	$0.000	None	-	-	-	-
2006-12-29	$0.041	$0.000	None	-	-	-	-
2006-11-30	$0.042	$0.000	None	-	-	-	-
2006-10-31	$0.042	$0.000	None	-	-	-	-
2006-09-29	$0.042	$0.000	None	-	-	-	-
2006-08-31	$0.042	$0.000	None	-	-	-	-
2006-07-31	$0.043	$0.000	None	-	-	-	-
2006-06-30	$0.043	$0.000	None	-	-	-	-
2006-05-31	$0.043	$0.000	None	-	-	-	-

MFS Total Return Bond Fund Class R6 NMFQS:MRBKX