v3.26.1
Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2025
Mayville Engineering Company, Inc. 401(k) Plan  
Fair Value Measurements  
Schedule of the Plan's assets at fair value

2025

  ​ ​ ​

Level 1

  ​ ​ ​

Level 2

  ​ ​ ​

Level 3

  ​ ​ ​

Total

Mutual funds

$

139,903

  ​ ​ ​

$

  ​ ​ ​

$

  ​ ​ ​

$

139,903

Company stock

 

44,339

 

 

 

44,339

Total investments at fair value

 

  ​

 

  ​

 

  ​

$

184,242

2024

Level 1

Level 2

Level 3

Total

Mutual funds

  ​ ​ ​

$

122,967

  ​ ​ ​

$

  ​ ​ ​

$

  ​ ​ ​

$

122,967

Company stock

 

33,106

 

 

 

33,106

Total investments at fair value

 

  ​

 

  ​

 

  ​

$

156,073