Date,Symbol,Name,Last Sale,Net Change,% Change,Market Cap,Country,IPO Year,Volume,Sector,Industry 20250729,WTM,White Mountains Insurance Group Ltd. Common Stock,$1796.89,7.33,0.41%,4624702512.0,United States,nan,12058,Finance,Property-Casualty Insurers 20250730,WTM,White Mountains Insurance Group Ltd. Common Stock,$1778.73,-18.16,-1.011%,4577963648.0,United States,nan,15464,Finance,Property-Casualty Insurers 20250731,WTM,White Mountains Insurance Group Ltd. Common Stock,$1787.80,9.07,0.51%,4601307343.0,United States,nan,16118,Finance,Property-Casualty Insurers