White Mountains Insurance Group, Ltd. (WTM) NYSE

Currency In USD

WTM Historical Return

If you invested $1000 in White Mountains Insurance Group, Ltd. (WTM) 10 years ago, it would be worth $2,579.47 as of August 03, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,884.43, while $1000 invested 1 year ago would be worth $1,182.7. This corresponds to total returns of 157.95%, 88.44%, 18.27%, respectively, with annualized returns of 9.93%, 13.5%, 18.27%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

WTM Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
July 31, 2026	2,105.57	2,097.73	2,097.73	2,129.32	2,084.99	12,684
July 30, 2026	2,151.3	2,118.61	2,118.61	2,151.3	2,087.2	13,781
July 29, 2026	2,186.21	2,150.34	2,150.34	2,211	2,125.64	21,155
July 28, 2026	2,175.6	2,202.61	2,202.61	2,218.61	2,171.3	17,249
July 27, 2026	2,201.75	2,193.94	2,193.94	2,231	2,182.58	18,596
July 24, 2026	2,178.36	2,208.05	2,208.05	2,233.66	2,158.61	11,795
July 23, 2026	2,176.75	2,176.85	2,176.85	2,208	2,146.51	11,350
July 22, 2026	2,192	2,182.32	2,182.32	2,211.04	2,161.29	16,141
July 21, 2026	2,201.51	2,193.26	2,193.26	2,222.5	2,167.98	13,536
July 20, 2026	2,214.5	2,211.22	2,211.22	2,249.05	2,209.73	16,079
July 17, 2026	2,198.24	2,211.52	2,211.52	2,239.95	2,198.24	12,572
July 16, 2026	2,126.1	2,196.48	2,196.48	2,203.64	2,126.1	21,218
July 15, 2026	2,162.6	2,139.73	2,139.73	2,173.75	2,125.84	15,267
July 14, 2026	2,162.51	2,167.79	2,167.79	2,187.93	2,146.35	21,213
July 13, 2026	2,192.7	2,174.96	2,174.96	2,203.36	2,157.5	15,968
July 10, 2026	2,197.99	2,181.19	2,181.19	2,199.15	2,165.09	18,516
July 09, 2026	2,167.02	2,185.23	2,185.23	2,189.82	2,159.73	25,904
July 08, 2026	2,164.98	2,167.25	2,167.25	2,179.59	2,147.5	18,390
July 07, 2026	2,176	2,165.85	2,165.85	2,198.87	2,161.9	14,273
July 06, 2026	2,165.26	2,166.27	2,166.27	2,182.9	2,145.32	14,649
July 02, 2026	2,090	2,173.81	2,173.81	2,186.81	2,068.59	25,519
July 01, 2026	2,077.5	2,064.04	2,064.04	2,101.1	2,050	17,589
June 30, 2026	2,075.6	2,073.39	2,073.39	2,098.5	2,057.34	16,678
June 29, 2026	2,085.79	2,090.94	2,090.94	2,104.79	2,064.64	13,245
June 26, 2026	2,023.79	2,096.56	2,096.56	2,096.56	2,023.79	25,873
June 25, 2026	2,021.78	2,019.7	2,019.7	2,048.66	2,009.02	14,352
June 24, 2026	2,026.75	2,022.41	2,022.41	2,044.04	2,006.15	13,491
June 23, 2026	2,015.36	2,023.63	2,023.63	2,028.34	2,001.99	16,052
June 22, 2026	2,023.03	2,010.75	2,010.75	2,035	1,999.84	13,169
June 18, 2026	1,997.36	2,013.36	2,013.36	2,019.89	1,990.78	25,485
June 17, 2026	2,021.6	2,003.49	2,003.49	2,045.5	1,990	21,196
June 16, 2026	2,037.76	2,032.37	2,032.37	2,051.66	2,010	20,369
June 15, 2026	2,026.1	2,030.64	2,030.64	2,059.62	2,000.35	31,018
June 12, 2026	1,995.5	2,024.05	2,024.05	2,030	1,991.3	17,746
June 11, 2026	2,021.1	1,989.54	1,989.54	2,041.42	1,987	17,043
June 10, 2026	2,014.35	2,018.89	2,018.89	2,037.79	2,006.15	23,503
June 09, 2026	2,029.5	2,004.76	2,004.76	2,050	1,991.29	26,468
June 08, 2026	2,060	2,023.7	2,023.7	2,070	2,020.03	28,818
June 05, 2026	2,016.8	2,065.14	2,065.14	2,084.71	2,016.8	22,318
June 04, 2026	2,035	2,015.54	2,015.54	2,065	2,010.54	29,875
June 03, 2026	2,050.81	2,034.02	2,034.02	2,066.05	2,018.29	39,988
June 02, 2026	2,060.03	2,050.81	2,050.81	2,087.91	2,050.62	23,501
June 01, 2026	2,052.25	2,062.03	2,062.03	2,077.2	2,052.25	24,247
May 29, 2026	2,093.14	2,064.82	2,064.82	2,096.55	2,060.92	25,693
May 28, 2026	2,090.39	2,084.31	2,084.31	2,106.05	2,072.01	23,512
May 27, 2026	2,138.97	2,101.94	2,101.94	2,159	2,094.47	26,949
May 26, 2026	2,140.4	2,129.17	2,129.17	2,166.05	2,129.17	16,926
May 22, 2026	2,136.84	2,146.85	2,146.85	2,159	2,136.84	16,554
May 21, 2026	2,130.13	2,139.09	2,139.09	2,152.18	2,130.03	22,424
May 20, 2026	2,152.05	2,144.81	2,144.81	2,175	2,142.5	18,203
May 19, 2026	2,127.27	2,144.19	2,144.19	2,159	2,125.02	29,147
May 18, 2026	2,139	2,138.35	2,138.35	2,177	2,121.03	17,881
May 15, 2026	2,119.07	2,136.76	2,136.76	2,149.99	2,105	21,164
May 14, 2026	2,138	2,111.18	2,111.18	2,196.09	2,096.23	23,651
May 13, 2026	2,105.14	2,120.55	2,120.55	2,150	2,105.14	18,201
May 12, 2026	2,141.68	2,109.2	2,109.2	2,162	2,099.94	22,395
May 11, 2026	2,143	2,133.58	2,133.58	2,173.11	2,110	20,958
May 08, 2026	2,103.9	2,128.4	2,128.4	2,136.45	2,075.05	18,776
May 07, 2026	2,080	2,092.5	2,092.5	2,106.28	2,050.01	26,154
May 06, 2026	2,151.3	2,080	2,080	2,175.17	2,071.88	31,824