White Mountains Insurance Group

WTMNYSE United States Finance Property-Casualty Insurers

Market cap

$4.901 B

$2,053.64 -0.16%

Close of 22 Sept 2026

Revenue

$3.73B

#814 by revenue

Earnings

$1.11B

#357 by earnings

Shares outstanding

2,386,721

Latest filing cover page

P/E ratio

4.4

Cap ÷ net income

Property-Casualty Insurers, ranked by market cap

All 68 →

#25RliRLI$5.33B
#26Selective Insurance GroupSIGI$5.22B
#27White Mountains Insurance GroupWTM$4.90B
#28Radian GroupRDN$4.59B
#29LemonadeLMND$3.69B

What if White Mountains Insurance Group were worth as much as…

Open the what-if tool →

Gold $30.2T

$12,667,576

Per share 6,168× higher

Bitcoin $1.74T

$729,727.12

Per share 355× higher

Nvidia $5.52T

$2,311,023

Per share 1,125× higher

Or at a round number

$10.0B $20.0B $50.0B $100.0B

Where these numbers come from

Share counts and financials for White Mountains Insurance Group are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 23 Sept 2026. Read the methodology.