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White Mountains Insurance Group ltd  (NYSE: WTM)
 

WTM's Market share relative to its competitors, as of Q2 2026

As of Q2 2026 (Revenue in Millions of $)

Date modified: 2026-05-28T05:00:14+00:00




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COMPANY NAME REVENUES
12 Months Ending
Q2 2026		 MARKET SHARE
12 Months
Q2 2026		 MARKET SHARE
MRQ
Q2 2026		 MARKET SHARE
A Quarter Before
Q1 2026
White Mountains Insurance Group ltd 3,675.00 0.16% 0.14 % 0.09 %
Unitedhealth Group Incorporated 449,713.00 19.05% 18.46% 18.96%
Berkshire Hathaway Inc 375,394.00 15.90% 16.78% 15.90%
The Cigna Group 277,892.00 11.77% 11.29% 12.30%
Elevance Health Inc 200,415.00 8.49% 8.27% 8.44%
Centene Corporation 198,101.00 8.39% 8.83% 8.48%
63 more competitors available

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WTM's Market share relative to its competitors, as of Q2 2026 within the Property & Casualty Insurance Industry
As of Q2 2026



COMPANY NAME MARKET SHARE
12 Months Ending
Q2 2026		 MARKET SHARE
12 Months Ending
Q1 2026		 MARKET SHARE
MRQ
Q2 2026		 MARKET SHARE

Q1 2026
White Mountains Insurance Group ltd 0.46% 0.48% 0.41 % 0.27 %
Berkshire Hathaway Inc 47.47% 47.37% 49.21% 47.95%
Progressive Corp 11.31% 11.18% 10.73% 11.64%
Allstate Corp 8.62% 8.63% 8.19% 8.88%
Travelers Companies inc 6.19% 6.23% 5.87% 6.10%
The Hartford Insurance Group Inc 3.64% 3.62% 3.49% 3.76%
34 more companies available

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WTM's Market share relative to its competitors, as of Q2 2026 within the Financial Sector
As of Q2 2026



COMPANY NAME MARKET SHARE
12 Months Ending
Q2 2026		 MARKET SHARE
12 Months Ending
Q1 2026		 MARKET SHARE
MRQ
Q2 2026		 MARKET SHARE

Q1 2026
White Mountains Insurance Group ltd 0.16% 0.16% 0.14 % 0.09 %
Unitedhealth Group Incorporated 19.09% 19.23% 18.50% 19.00%
Berkshire Hathaway Inc 15.93% 15.96% 16.81% 15.93%
The Cigna Group 11.79% 11.81% 11.31% 12.32%
Elevance Health Inc 8.51% 8.55% 8.28% 8.46%
Centene Corporation 8.41% 8.37% 8.85% 8.49%
61 more companies available

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Note: Market share is calculated based on total revenue. To get a more accurate picture of White Mountains Insurance Group ltd's market divisions, geographic dispersion, segments, products, and services, visit White Mountains Insurance Group ltd's Business Segment.

The list includes publicly traded companies only. More information about the sources of this report can be found here.



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