White Mountains Insurance Group (WTM) News Today $1,772.35 -15.45 (-0.86%) Closing price 08/1/2025 03:59 PM EasternExtended Trading$1,775.42 +3.07 (+0.17%) As of 08/1/2025 04:10 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 Headlines Stock AnalysisChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock WTM Latest News All Sources Trusted Sources MarketBeat Benzinga Bloomberg GlobeNewswire GuruFocus MarketWatch Motley Fool NASDAQ PR Newswire Reuters Seeking Alpha TalkMarkets The Street TipRanks The Wall Street Journal Wall Street Zen Yahoo Finance Source Sentiment refers to the positivity or negativity of each headline according to our language processing algorithm. Sentiment All Sentiments Very Positive Positive Neutral Negative Very Negative Most Recent August 2025 July 2025 June 2025 May 2025 April 2025 March 2025 February 2025 January 2025 December 2024 November 2024 October 2024 September 2024 August 2024 July 2024 June 2024 May 2024 April 2024 March 2024 February 2024 January 2024 December 2023 November 2023 October 2023 September 2023 August 2023 July 2023 June 2023 May 2023 April 2023 March 2023 February 2023 January 2023 December 2022 November 2022 October 2022 September 2022 Time Period TD Asset Management Inc Acquires 212 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)August 3 at 4:16 AM | marketbeat.comWhite Mountains Insurance Group (NYSE:WTM) Stock Acquired Rep. J. French HillJuly 26, 2025 | marketbeat.comWhite Mountains Insurance Group Stock (WTM) Opinions on BroadStreet InvestmentJuly 25, 2025 | quiverquant.comQRoyce & Associates LP Has $22.32 Million Stake in White Mountains Insurance Group, Ltd. (NYSE:WTM)July 25, 2025 | marketbeat.comWhite Mountains Insurance Group (NYSE:WTM) Sees Large Volume Increase - Time to Buy?July 24, 2025 | marketbeat.comAM Best Assigns Credit Ratings to DavidShield Insurance CompanyJuly 21, 2025 | businesswire.comVictory Capital Management Inc. Acquires 4,543 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)July 21, 2025 | marketbeat.comWhite Mountains Completes $150M Investment in BroadStreetJuly 18, 2025 | tipranks.comForum Financial Management LP Acquires 289 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)July 17, 2025 | marketbeat.comCooke & Bieler LP Increases Stock Holdings in White Mountains Insurance Group, Ltd. (NYSE:WTM)July 17, 2025 | marketbeat.comWhite Mountains Insurance Group (NYSE:WTM) Sees Unusually-High Trading Volume - Still a Buy?July 16, 2025 | marketbeat.com3,540 Shares in White Mountains Insurance Group, Ltd. (NYSE:WTM) Acquired by Edgestream Partners L.P.July 15, 2025 | marketbeat.comNisa Investment Advisors LLC Sells 370 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)July 15, 2025 | marketbeat.comEnvestnet Asset Management Inc. Increases Stock Holdings in White Mountains Insurance Group, Ltd. (NYSE:WTM)July 14, 2025 | marketbeat.comSpeece Thorson Capital Group Inc. Sells 181 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)July 13, 2025 | marketbeat.comBrown Advisory Inc. Trims Stock Position in White Mountains Insurance Group, Ltd. (NYSE:WTM)July 9, 2025 | marketbeat.comWhite Mountains Insurance Group (NYSE:WTM) Sees Unusually-High Trading Volume - Time to Buy?July 7, 2025 | marketbeat.comMajority Stake in Distinguished Programs Acquired by White MountainsJuly 7, 2025 | finance.yahoo.comWhite Mountains Insurance to buy majority stake in Distinguished ProgramsJuly 7, 2025 | msn.comWhite Mountains to Acquire a Majority Stake in Distinguished ProgramsJuly 7, 2025 | prnewswire.comKBC Group NV Sells 1,934 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)July 6, 2025 | marketbeat.comWCM Investment Management LLC Buys 1,594 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)July 2, 2025 | marketbeat.comSummit Trail Advisors LLC Buys 194 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)July 2, 2025 | marketbeat.comWhite Mountains Insurance Group (NYSE:WTM) Sees Strong Trading Volume - Still a Buy?June 30, 2025 | marketbeat.comAllspring Global Investments Holdings LLC Buys 1,621 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)June 30, 2025 | marketbeat.comRobeco Institutional Asset Management B.V. Has $36.89 Million Position in White Mountains Insurance Group, Ltd. (NYSE:WTM)June 28, 2025 | marketbeat.comPerpetual Ltd Cuts Stake in White Mountains Insurance Group, Ltd. (NYSE:WTM)June 27, 2025 | marketbeat.comOppenheimer Asset Management Inc. Reduces Stock Holdings in White Mountains Insurance Group, Ltd. (NYSE:WTM)June 27, 2025 | marketbeat.comEnvestnet Portfolio Solutions Inc. Has $553,000 Position in White Mountains Insurance Group, Ltd. (NYSE:WTM)June 27, 2025 | marketbeat.comSG Americas Securities LLC Decreases Stock Position in White Mountains Insurance Group, Ltd. (NYSE:WTM)June 17, 2025 | marketbeat.comFarther Finance Advisors LLC Has $746,000 Stock Position in White Mountains Insurance Group, Ltd. (NYSE:WTM)June 14, 2025 | marketbeat.comHarbor Capital Advisors Inc. Buys 627 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)June 11, 2025 | marketbeat.comWhite Mountains Insurance Group, Ltd. (NYSE:WTM) Shares Acquired by Reinhart Partners LLC.June 7, 2025 | marketbeat.comWhite Mountains Insurance Group (NYSE:WTM) Sees Strong Trading Volume - Should You Buy?June 5, 2025 | marketbeat.comSendero Wealth Management LLC Increases Stock Holdings in White Mountains Insurance Group, Ltd. (NYSE:WTM)June 4, 2025 | marketbeat.comUniversal Beteiligungs und Servicegesellschaft mbH Makes New $420,000 Investment in White Mountains Insurance Group, Ltd. (NYSE:WTM)June 4, 2025 | marketbeat.comGAMMA Investing LLC Increases Stock Position in White Mountains Insurance Group, Ltd. (NYSE:WTM)June 1, 2025 | marketbeat.comUBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Raises Stock Holdings in White Mountains Insurance Group, Ltd. (NYSE:WTM)May 30, 2025 | marketbeat.comMillennium Management LLC Buys 2,007 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)May 30, 2025 | marketbeat.comDeutsche Bank AG Buys 184 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)May 30, 2025 | marketbeat.comBNP Paribas Financial Markets Has $257,000 Stock Holdings in White Mountains Insurance Group, Ltd. (NYSE:WTM)May 30, 2025 | marketbeat.comJane Street Group LLC Has $558,000 Holdings in White Mountains Insurance Group, Ltd. (NYSE:WTM)May 30, 2025 | marketbeat.comWhite Mountains Insurance Group (NYSE:WTM) Sees Large Volume Increase - What's Next?May 28, 2025 | marketbeat.comPhocas Financial Corp. Takes $11.09 Million Position in White Mountains Insurance Group, Ltd. (NYSE:WTM)May 28, 2025 | marketbeat.comForum Financial Management LP Grows Position in White Mountains Insurance Group, Ltd. (NYSE:WTM)May 26, 2025 | marketbeat.comWhite Mountains Insurance Group, Ltd. (NYSE:WTM) Shares Bought by Ameriprise Financial Inc.May 26, 2025 | marketbeat.comWhite Mountains Insurance Group, Ltd. (NYSE:WTM) Position Lifted by Lazard Asset Management LLCMay 24, 2025 | marketbeat.comWallace Capital Management Inc. Sells 2,208 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)May 22, 2025 | marketbeat.comQuantinno Capital Management LP Acquires 554 Shares of White Mountains Insurance Group, Ltd. (NYSE:WTM)May 21, 2025 | marketbeat.comJanus Henderson Group PLC Grows Stock Position in White Mountains Insurance Group, Ltd. (NYSE:WTM)May 21, 2025 | marketbeat.com Get White Mountains Insurance Group News Delivered to You Automatically Sign up to receive the latest news and ratings for WTM and its competitors with MarketBeat's FREE daily newsletter. Email Address WTM Media Mentions By Week WTM Media Sentiment Learn about the media sentiment score. Each headline receives a score ranging from 2 (good news) to -2 (bad news). Our company news sentiment scores track the average news sentiment of articles about each company over the most recent 7 days in order to identify companies that are receiving positive press. WTM News Sentiment▼0.800.71▲Average Finance News Sentiment WTM News Coverage Learn about the media coverage comparison. We track news headlines from hundreds of news outlets and tag them by company. This chart compares the number of articles about this company in the last seven days compared with the average number of articles about this company on a typical week. WTM Articles This Week▼24▲WTM Articles Average Week Get White Mountains Insurance Group News Delivered to You Automatically Sign up to receive the latest news and ratings for WTM and its competitors with MarketBeat's FREE daily newsletter. Email Address Related Companies and Tools Related Companies Erie Indemnity News Today Fidelity National Financial News Today CNA Financial News Today Old Republic International News Today Axis Capital News Today First American Financial News Today RLI News Today The Hanover Insurance Group News Today Selective Insurance Group News Today Assured Guaranty News Today Headlines Tools Trending Media MentionsHigh Media Sentiment StocksLive News FeedMarketBeat OriginalsStock Ideas This page (NYSE:WTM) was last updated on 8/3/2025 by MarketBeat.com Staff From Our PartnersMan Who Called Nvidia at $1.10 Says Buy This Now...In 2004, one man called Nvidia before just about anyone knew it existed. 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