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 May 22, 2026, is $2,146.85.

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 285.25% to $2,146.85 now.
The 52-week high stock price for WTM is $2,333.00, representing a 8.67% 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 -23.24% 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
May 22, 2026	$2,159.0	$2,136.8	$22.16	16,554.0	+0.36%
May 21, 2026	$2,152.2	$2,130.0	$22.15	22,416.0	-0.27%
May 20, 2026	$2,175.0	$2,142.5	$32.50	18,203.0	+0.03%
May 19, 2026	$2,159.0	$2,125.0	$33.98	29,147.0	+0.27%
May 18, 2026	$2,177.0	$2,121.0	$55.97	17,881.0	+0.07%
May 15, 2026	$2,150.0	$2,105.0	$44.99	21,161.0	+1.14%
May 14, 2026	$2,196.1	$2,096.2	$99.86	27,705.0	-0.34%
May 13, 2026	$2,150.0	$2,105.1	$44.86	22,993.0	+0.51%
May 12, 2026	$2,162.0	$2,099.9	$62.06	22,395.0	-1.14%
May 11, 2026	$2,173.1	$2,110.0	$63.11	20,958.0	+0.24%
May 08, 2026	$2,136.5	$2,075.1	$61.40	18,776.0	+1.72%
May 07, 2026	$2,106.3	$2,050.0	$56.27	26,154.0	+0.60%
May 06, 2026	$2,176.6	$2,071.9	$104.7	38,256.0	-3.33%
May 05, 2026	$2,193.7	$2,147.8	$45.94	17,258.0	-0.73%
May 04, 2026	$2,203.0	$2,132.8	$70.24	26,760.0	+0.18%
May 01, 2026	$2,216.5	$2,158.2	$58.34	19,453.0	-3.07%
Apr 30, 2026	$2,235.0	$2,190.7	$44.34	10,938.0	+1.18%
Apr 29, 2026	$2,270.2	$2,188.4	$81.78	12,698.0	-2.55%
Apr 28, 2026	$2,303.5	$2,256.6	$46.90	16,533.0	-0.17%

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
May, 2026	$2,216.5	$2,050.0	$166.5	382,624.0	-3.81%
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%