MASSMUTUAL SELECT FUNDS
COMPANY
N-CSR
FORM
2025-12-08
FILING DATE
2025-09-30
PERIOD END
4156
FACTS
SIC None
CIK 0000916053
Taxonomy US GAAP 2025  
SIC None
CIK 0000916053
Taxonomy US GAAP 2025  
Standard Concepts
58
Extended Concepts
1129
95%
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.
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010195Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000140351Member 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=tsr:C000140...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000240792Member 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=tsr:C000240...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010214Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010179Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010212Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000140360Member 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=tsr:C000140...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010177Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010286Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010193Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000093669Member 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=tsr:C000093...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010180Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000240793Member 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=tsr:C000240...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010223Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000093670Member 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=tsr:C000093...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010228Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000140352Member 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=tsr:C000140...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010224Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010191Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000093671Member 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=tsr:C000093...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000140383Member 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=tsr:C000140...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010176Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010222Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000240796Member 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=tsr:C000240...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010196Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000140361Member 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=tsr:C000140...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010225Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000140384Member 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=tsr:C000140...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010178Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000240788Member 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=tsr:C000240...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010230Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010215Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010227Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010283Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010282Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000240790Member 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=tsr:C000240...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010229Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010226Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000140354Member 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=tsr:C000140...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010284Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000108421Member 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=tsr:C000108...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010216Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010213Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010285Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010231Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000010194Member 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=tsr:C000010...
ERROR
A value of Performance shown is past performance and does not guarantee future results. was reported for the concept oef:PerformancePastDoesNotIndicateFuture. This value has dimensions of oef:ClassAxis=tsr:C000140357Member 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=tsr:C000140...
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.