v3.26.1
Earnings per common share (Tables)
12 Months Ended
Mar. 31, 2026
Earnings Per Share Disclosure [Line Items]  
Computation of Basic and Diluted Earnings Per Common Share
The following table sets forth the computation of basic and diluted earnings per common share for the fiscal years ended March 31, 2024, 2025 and 2026:
 
    
2024
    
2025
    
  2026  
 
                      
    
(in millions of yen)
 
Net income:
        
Net income attributable to MHFG common shareholders
     912,473        593,393        1,158,031  
  
 
 
    
 
 
    
 
 
 
Effect of dilutive securities
     —         —         —   
  
 
 
    
 
 
    
 
 
 
Net income attributable to common shareholders after assumed conversions
     912,473        593,393        1,158,031  
  
 
 
    
 
 
    
 
 
 
    
2024
    
2025
    
  2026  
 
                      
    
(thousands of shares)
 
Shares:
        
Weighted average common shares outstanding
     2,536,775        2,529,903        2,484,190  
  
 
 
    
 
 
    
 
 
 
Effect of dilutive securities:
        
Stock options and the common shares of MHFG under the stock compensation programs
     325        379        392  
  
 
 
    
 
 
    
 
 
 
Weighted average common shares after assumed conversions
     2,537,100        2,530,282        2,484,581  
  
 
 
    
 
 
    
 
 
 
    
2024
    
2025
    
2026
 
                      
    
(in yen)
 
Earnings per common share:
        
Basic net income per common share
     359.70        234.55        466.16  
  
 
 
    
 
 
    
 
 
 
Diluted net income per common share
     359.65        234.52        466.09