White Mountains Insurance Group (WTM) Stock Chart & Stock Price History $1,855.57 +0.36 (+0.02%) As of 12:02 PM Eastern Add Compare Share Share Chart Stock AnalysisChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock White Mountains Insurance Group Stock Price Performance 5 Day Performance-2.55%1 Month Performance-0.71%3 Month Performance-4.06%6 Month Performance+5.51%Year-To-Date Performance-4.60%1 Year Performance+6.35% Receive WTM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for White Mountains Insurance Group and its competitors with MarketBeat's FREE daily newsletter. Email Address WTM Stock Chart for Thursday, April, 3, 2025 WTM Chart by TradingViewRemove Ads White Mountains Insurance Group Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization04/02/2025$1,897.91$1,849.58-2.55%$1,890.30$1,848.3721,028 shs$4.70 billion04/01/2025$1,928.06$1,897.91-1.56%$1,937.23$1,896.0216,818 shs$4.82 billion03/31/2025$1,904.22$1,928.06+1.25%$1,925.81$1,897.3717,200 shs$4.90 billion03/28/2025$1,940.30$1,904.22-1.86%$1,916.00$1,897.139,720 shs$4.84 billion03/27/2025$1,895.43$1,940.30+2.37%$1,946.64$1,900.0022,661 shs$4.93 billion03/26/2025$1,893.00$1,895.43+0.13%$1,899.99$1,875.5016,290 shs$4.82 billion03/25/2025$1,888.97$1,893.00+0.21%$1,900.00$1,884.9411,888 shs$4.81 billion03/24/2025$1,862.73$1,888.97+1.41%$1,887.37$1,863.3418,115 shs$4.80 billion03/21/2025$1,867.96$1,862.73-0.28%$1,890.20$1,860.0420,716 shs$4.73 billion03/20/2025$1,886.63$1,867.96-0.99%$1,882.40$1,866.1811,261 shs$4.75 billion Get the Latest News and Ratings for WTM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for White Mountains Insurance Group and its competitors with MarketBeat's FREE daily newsletter. 03/19/2025$1,867.34$1,886.63+1.03%$1,889.10$1,871.7115,061 shs$4.79 billion03/18/2025$1,893.56$1,867.34-1.38%$1,882.77$1,865.738,812 shs$4.80 billion03/17/2025$1,884.83$1,893.56+0.46%$1,900.00$1,880.0610,476 shs$4.81 billion03/14/2025$1,855.97$1,884.83+1.56%$1,887.01$1,860.0021,136 shs$4.79 billion03/13/2025$1,852.09$1,855.97+0.21%$1,857.20$1,840.8310,495 shs$4.72 billion03/12/2025$1,866.98$1,852.09-0.80%$1,857.61$1,835.0024,419 shs$4.71 billion03/11/2025$1,893.67$1,866.98-1.41%$1,908.82$1,844.7726,735 shs$4.74 billion03/10/2025$1,888.85$1,893.67+0.26%$1,931.35$1,884.1722,515 shs$4.81 billion03/07/2025$1,849.66$1,888.85+2.12%$1,892.39$1,855.9116,675 shs$4.85 billion03/06/2025$1,854.22$1,849.66-0.25%$1,855.72$1,835.0012,181 shs$4.75 billion03/05/2025$1,838.08$1,854.22+0.88%$1,861.93$1,854.4016,120 shs$4.76 billion03/04/2025$1,868.90$1,838.08-1.65%$1,860.59$1,803.9618,452 shs$4.72 billion03/03/2025$1,846.93$1,868.90+1.19%$1,884.14$1,865.2513,019 shs$4.80 billion Related Companies Erie Indemnity Stock Chart Fidelity National Financial Stock Chart CNA Financial Stock Chart Old Republic International Stock Chart AXIS Capital Stock Chart RLI Stock Chart First American Financial Stock Chart The Hanover Insurance Group Stock Chart Selective Insurance Group Stock Chart Assured Guaranty Stock Chart Receive WTM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for White Mountains Insurance Group and its competitors with MarketBeat's FREE daily newsletter. This page (NYSE:WTM) was last updated on 4/3/2025 by MarketBeat.com Staff From Our PartnersBITCOINDid you miss out on the 1000%+ gains of Bitcoin over the past 5 years? 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