MFS SERIES TRUST XI
COMPANY
N-CSR
FORM
2025-11-25
FILING DATE
2025-09-30
PERIOD END
1371
FACTS
SIC None
CIK 0000911637
Taxonomy US GAAP 2025  
SIC None
CIK 0000911637
Taxonomy US GAAP 2025  
Standard Concepts
56
Extended Concepts
41
42%
Extended Concepts
Errors
0
What are errors?
What are errors?
Indicate problems with an XBRL formatted filing that are sufficient grounds for SEC rejection of the XBRL portion of the filing.
Data Quality Errors
18
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000006781Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000068492Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000006785Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000006790Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000006792Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000006791Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000006788Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000125404Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000006783Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000068496Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000006787Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000068495Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000006777Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000006782Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000068494Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000068493Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000006789Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
ERROR
A value of The fund’s past performance is not a good predictor of the fund’s future performance. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=mfsxi:C000006776Member but this fact is not included in a dimensional table ( hypercube). All dimensional facts should be included in a hypercube. The properties of this oef:PerformancePastDoesNotIndicateFuture fact are: Period :2024-10-01 to 2025-09-30 Dimensions : oef:ClassAxis=m...
What are data quality errors?
What are data quality errors?
Indicate areas that may not meet the standards set by the Data Quality Committee (DQC), and may reveal areas where the XBRL can be improved.
Possible Issues
2
WARNING
Submission type N-CSR should have a non-empty value for oef:ShareholderReportAnnualOrSemiAnnual in the Required Context.
WARNING
333 fact(s) appearing in ix:hidden were eligible for transformation: dei:TradingSymbol, oef:AccmVal, oef:ClassName
What are possible issues?
What are possible issues?
Indicate areas of interest as to the quality of an XBRL formatted filing, and in some cases reveal opportunities for improvement of the XBRL filing.
SEC: Filing | Interactive Data