White Mountains Insurance Group (WTM) Stock Chart & Stock Price History $1,782.33 -15.32 (-0.85%) Closing price 05/23/2025 03:59 PM EasternExtended Trading$1,783.82 +1.49 (+0.08%) As of 05/23/2025 04:04 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock White Mountains Insurance Group Stock Price Performance The White Mountains Insurance Group (WTM) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 2.44%, with a year-to-date return of -8.37%. In the past month, the stock has increased 1.05%, reflecting recent market activity. As of the latest close, White Mountains Insurance Group traded at $1,782.33 with a market cap of $4.59 billion and volume of 18,881 shares. Five years ago, the stock traded at $893.29, representing a 99.52% increase over that period. At the time, it had a market cap of $2.79 billion and a volume of 18,600 shares. 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 5 Day Performance-1.52%1 Month Performance+1.05%3 Month Performance-2.28%Year-To-Date Performance-8.37%1 Year Performance+2.44%5 Year Performance+99.52% WTM Stock Chart for Saturday, May, 24, 2025 WTM Chart by TradingView White Mountains Insurance Group Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization05/23/2025$1,803.81$1,782.33-1.19%$1,793.00$1,774.8518,881 shs$4.59 billion05/22/2025$1,838.11$1,803.81-1.87%$1,840.12$1,763.0835,543 shs$4.64 billion05/21/2025$1,817.23$1,838.11+1.15%$1,845.00$1,828.7133,623 shs$4.73 billion05/20/2025$1,809.78$1,817.23+0.41%$1,841.71$1,812.8816,336 shs$4.68 billion05/19/2025$1,802.31$1,809.78+0.41%$1,816.02$1,809.1411,469 shs$4.66 billion05/16/2025$1,796.00$1,802.31+0.35%$1,819.56$1,791.1017,680 shs$4.64 billion05/15/2025$1,768.17$1,796.00+1.57%$1,800.20$1,784.659,532 shs$4.62 billion05/14/2025$1,788.96$1,768.17-1.16%$1,768.95$1,758.5314,545 shs$4.55 billion05/13/2025$1,827.64$1,788.96-2.12%$1,804.43$1,784.1211,822 shs$4.60 billion05/12/2025$1,799.19$1,827.64+1.58%$1,822.93$1,811.2615,855 shs$4.70 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. 05/09/2025$1,790.08$1,799.19+0.51%$1,803.20$1,771.0013,917 shs$4.63 billion05/08/2025$1,785.25$1,790.08+0.27%$1,791.17$1,789.117,904 shs$4.61 billion05/07/2025$1,786.41$1,785.25-0.07%$1,786.79$1,775.0410,463 shs$4.60 billion05/06/2025$1,784.21$1,786.41+0.12%$1,785.53$1,779.409,264 shs$4.60 billion05/05/2025$1,794.69$1,784.21-0.58%$1,787.00$1,768.4513,236 shs$4.59 billion05/02/2025$1,748.89$1,794.69+2.62%$1,793.85$1,766.0014,392 shs$4.62 billion05/01/2025$1,761.52$1,748.89-0.72%$1,763.14$1,746.938,429 shs$4.50 billion04/30/2025$1,780.80$1,761.52-1.08%$1,767.45$1,742.0015,796 shs$4.53 billion04/29/2025$1,762.72$1,780.80+1.03%$1,782.12$1,734.6218,679 shs$4.58 billion04/28/2025$1,745.04$1,762.72+1.01%$1,758.07$1,737.2411,618 shs$4.54 billion04/25/2025$1,763.74$1,745.04-1.06%$1,751.70$1,741.398,286 shs$4.43 billion04/24/2025$1,747.66$1,763.74+0.92%$1,772.10$1,752.809,312 shs$4.48 billion04/23/2025$1,743.51$1,747.66+0.24%$1,751.82$1,738.8711,568 shs$4.43 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 5/24/2025 by MarketBeat.com Staff From Our PartnersBuffett’s $325 Billion Cash Problem — Solved by Gold?A bombshell announcement is just weeks away — and it could send shockwaves through the gold market. Most inves...Golden Portfolio | SponsoredBanks aren’t ready for this altcoin—are you?While everyone's distracted by Bitcoin's moves, a stealth revolution is underway. One altcoin is quietly po...Crypto 101 Media | Sponsored$19 for a FULL YEAR of stock picks?!Invest in Musk's AI Play With Just $100 You don't need deep pockets to ride the next wave of AI wealth. ...Behind the Markets | SponsoredWe’ve Entered the Most Bullish Phase of the CycleIt happens like clockwork. Every four years, the crypto market enters a new phase — and for those who know how...Crypto Swap Profits | SponsoredThe Trump Dump is starting; Get out of stocks now?The first 365 days of the Trump presidency… Will be the best time to get rich in American history.Paradigm Press | SponsoredWatch This Robotics Demo Before July 23rdJeff Brown, the tech legend who picked shares of Nvidia in 2016 before they jumped by more than 22,000%... ...Brownstone Research | SponsoredBig Oil’s big pivotThe Real Reason 218,000 Acres Just Vanished The government just quietly leased 218,000 acres in the middle ...Stansberry Research | SponsoredAfter Monday, price goes up 600% (hurry)Right now, for a limited time… You can get up to 52 Money Monday trades for just $7! Thanks to Wall Street’...Timothy Sykes | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding White Mountains Insurance Group, Ltd. Please log in to your account or sign up in order to add this asset to your watchlist. Share White Mountains Insurance Group With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Buy WTM Stock Free WTM Stock Alerts