v3.25.1
Noncontrolling Interests (Tables)
 3 Months Ended
Mar. 31, 2025
Noncontrolling Interest [Abstract]  
Schedule of noncontrolling interest
The following table presents the balance of noncontrolling interests included in White Mountains’s total equity and the related percentage of each consolidated entity’s total equity owned by noncontrolling shareholders as of March 31, 2025 and December 31, 2024:
 March 31, 2025December 31, 2024
$ in Millions
Noncontrolling Percentage (1)
Noncontrolling Equity
Noncontrolling Percentage (1)
Noncontrolling Equity
Noncontrolling interests:
Ark27.9 %$416.0 
(2)
27.9 %$410.4 
(2)
HG Global3.1 %(12.5)3.1 %(13.4)
Kudu8.8 %126.4 
(3)
9.6 %127.6 
(3)
Bamboo27.2 %91.1 27.2 %113.6 
Othervarious9.1 various9.1 
Total noncontrolling interests$630.1 $647.3 
(1) The noncontrolling percentage represents the basic ownership interests held by noncontrolling shareholders with the exception of HG Global, for which the noncontrolling percentage represents the preferred share ownership held by noncontrolling shareholders.
(2) As of March 31, 2025 and December 31, 2024, Ark’s noncontrolling equity includes $47.2 and $42.9 related to management’s equity incentives.
(3) As of March 31, 2025 and December 31, 2024, Kudu’s noncontrolling equity includes $43.1 and $47.9 related to management’s equity incentives.