White Mountains Insurance Group Ltd (WTM)

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White Mountains Insurance Group Ltd Stock (WTM) Price History

The historical daily chart and data for White Mountains Insurance Group Ltd stock (WTM), show that the latest closing stock price as of August 14, 2026, is $2,137.12.

White Mountains Insurance Group Ltd all-time high stock price is $2,333.00, occurred on April 17, 2026.
The lowest White Mountains Insurance Group Ltd stock price recorded was $557.26 on February 05, 2014. Since then, White Mountains Insurance Group Ltd's stock price has risen over 283.50% to $2,137.12 now.
The 52-week high stock price for WTM is $2,333.00, representing a 9.17% increase from the current share price, occurred on April 17, 2026.
The 52-week low stock price for WTM is $1,648.00, indicating a -22.89% decrease from the current share price, occurred on October 01, 2025.
The closing price of White Mountains Insurance Group Ltd (WTM) stock in the beginning of 2025 was $1,007.14. The stock closed the year at $1,414.33, a gain of over 40.43% for the year.

The table below shows more information about WTM historical price data:

Daily

Weekly

Monthly

30D

60D

YTD

Date	High	Low	High - Low	Volume	% Change
Aug 14, 2026	$2,145.0	$2,121.1	$23.91	14,309.0	-0.20%
Aug 13, 2026	$2,141.8	$2,096.7	$45.04	28,680.0	+1.04%
Aug 12, 2026	$2,152.2	$2,094.0	$58.15	27,107.0	+0.35%
Aug 11, 2026	$2,127.0	$2,093.6	$33.36	21,080.0	+0.11%
Aug 10, 2026	$2,172.2	$2,107.9	$64.31	27,210.0	-1.85%
Aug 07, 2026	$2,168.3	$2,112.6	$55.71	30,152.0	+0.39%
Aug 06, 2026	$2,151.2	$2,112.9	$38.28	28,924.0	+1.38%
Aug 05, 2026	$2,136.5	$2,095.4	$41.07	19,309.0	-0.28%
Aug 04, 2026	$2,127.9	$2,070.0	$57.88	23,711.0	+0.78%
Aug 03, 2026	$2,136.0	$2,086.8	$49.23	19,945.0	+0.17%
Jul 31, 2026	$2,129.3	$2,085.0	$44.33	9,937.0	-0.98%
Jul 30, 2026	$2,151.3	$2,087.2	$64.10	19,098.0	-1.48%
Jul 29, 2026	$2,211.0	$2,125.6	$85.36	21,161.0	-2.37%
Jul 28, 2026	$2,218.6	$2,171.3	$47.31	17,248.0	+0.40%
Jul 27, 2026	$2,231.0	$2,182.6	$48.42	18,596.0	-0.64%
Jul 24, 2026	$2,233.7	$2,158.6	$75.05	11,795.0	+1.43%
Jul 23, 2026	$2,208.0	$2,146.5	$61.49	11,350.0	-0.25%
Jul 22, 2026	$2,211.0	$2,161.3	$49.75	16,141.0	-0.50%
Jul 21, 2026	$2,222.5	$2,168.0	$54.52	13,536.0	-0.81%
Jul 20, 2026	$2,249.1	$2,209.7	$39.32	16,079.0	-0.01%
Jul 17, 2026	$2,239.9	$2,198.2	$41.71	12,572.0	+0.68%
Jul 16, 2026	$2,203.6	$2,126.1	$77.54	21,218.0	+2.65%

White Mountains Insurance Group Ltd Stock (WTM) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of White Mountains Insurance Group Ltd stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of WTM shares. From significant milestones and fluctuations to notable trends, this in-depth examination of White Mountains Insurance Group Ltd stock price history provides a foundation for understanding how the company's stock has evolved over time.

White Mountains Insurance Group Ltd Stock (WTM) Price History 2026

Month	High	Low	High - Low	Volume	% Change
Aug, 2026	$2,172.2	$2,070.0	$102.2	254,736.0	+1.87%
Jul, 2026	$2,249.1	$2,050.0	$199.0	376,019.0	+1.18%
Jun, 2026	$2,104.8	$1,987.0	$117.8	469,804.0	+0.42%
May, 2026	$2,216.5	$2,050.0	$166.5	459,217.0	-7.49%
Apr, 2026	$2,333.0	$2,067.2	$265.8	331,206.0	+1.59%
Mar, 2026	$2,259.3	$2,100.0	$159.3	426,574.0	-1.06%
Feb, 2026	$2,264.7	$2,035.0	$229.7	324,911.0	+8.59%
Jan, 2026	$2,098.9	$2,004.0	$94.92	344,412.0	-1.59%

White Mountains Insurance Group Ltd Stock (WTM) Price History 2025

Month	High	Low	High - Low	Volume	% Change
Dec, 2025	$2,143.3	$2,010.0	$133.2	427,392.0	+2.69%
Nov, 2025	$2,042.9	$1,863.6	$179.3	397,492.0	+6.28%
Oct, 2025	$1,957.7	$1,648.0	$309.7	724,827.0	+13.94%
Sep, 2025	$1,842.1	$1,659.2	$182.9	738,867.0	-8.67%
Aug, 2025	$1,880.1	$1,744.0	$136.1	592,827.0	+2.37%
Jul, 2025	$1,831.2	$1,750.0	$81.19	537,468.0	-0.44%
Jun, 2025	$1,826.4	$1,741.3	$85.10	455,131.0	+0.61%
May, 2025	$1,845.0	$1,746.9	$98.07	325,950.0	+0.98%
Apr, 2025	$1,937.2	$1,678.9	$258.4	389,779.0	-8.22%
Mar, 2025	$1,946.6	$1,835.0	$111.6	319,240.0	+4.13%
Feb, 2025	$1,993.9	$1,818.1	$175.7	235,109.0	-4.29%
Jan, 2025	$1,975.0	$1,809.5	$165.5	293,883.0	-0.65%

White Mountains Insurance Group Ltd Stock (WTM) Price History 2024

Month	High	Low	High - Low	Volume	% Change
Dec, 2024	$2,007.6	$1,884.7	$123.0	263,151.0	-4.02%
Nov, 2024	$2,023.0	$1,774.1	$248.9	241,759.0	+11.84%
Oct, 2024	$1,899.9	$1,708.5	$191.4	230,559.0	+5.95%
Sep, 2024	$1,847.8	$1,679.7	$168.1	215,942.0	-8.03%
Aug, 2024	$1,844.2	$1,666.2	$178.0	217,042.0	+3.26%
Jul, 2024	$1,825.9	$1,699.5	$126.4	264,934.0	-1.73%
Jun, 2024	$1,861.6	$1,690.5	$171.1	412,497.0	+0.58%
May, 2024	$1,899.2	$1,701.7	$197.5	239,376.0	+1.62%
Apr, 2024	$1,823.9	$1,665.7	$158.1	171,625.0	-0.90%
Mar, 2024	$1,850.0	$1,700.0	$150.0	155,328.0	+1.63%
Feb, 2024	$1,809.7	$1,575.0	$234.7	183,101.0	+12.02%
Jan, 2024	$1,649.4	$1,475.0	$174.4	163,389.0	+4.71%