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White Mountains Insurance Group, Ltd. Common Stock (WTM)

Book Value Per Share

2.60K

Quarterly · Period ending: Jun 30, 2026

WTM Book Value Per Share

Latest reported2.60Kperiod endingJun 30, 2026

Latest reported2.60Kperiod endingJun 30, 2026

WTM Quarterly Book Value per Share (0.00 → 2.60K)

Period values, visible window

High-resolution chart · PNG

WTM book value per share history

Quarterly. Dates are reporting period ends; fiscal years can differ from calendar years.

White Mountains Insurance Group, Ltd. Common Stock Book Value Per Share — Quarterly
Period ending	Book Value Per Share
Jun 30, 2001	133.9006
Mar 31, 2001	177.1526
Dec 31, 2000	178.0375
Sep 30, 2000	175.163
Jun 30, 2000	96.105
Mar 31, 2000	107.2775
Dec 31, 1999	103.0643
Sep 30, 1999	120.3166
Jun 30, 1999	113.7918
Mar 31, 1999	114.7849
Dec 31, 1998	120.1377
Sep 30, 1998	122.3179
Jun 30, 1998	129.1895
Mar 31, 1998	126.1523
Dec 31, 1997	119.9898
Sep 30, 1997	112.8117
Jun 30, 1997	105.7926
Mar 31, 1997	105.3408
Dec 31, 1996	105.9204
Sep 30, 1996	101.7432
Jun 30, 1996	97.6114
Mar 31, 1996	98.0078
Dec 31, 1995	96.8359
Sep 30, 1995	92.5943
Jun 30, 1995	88.4674
Mar 31, 1995	78.6732
Dec 31, 1994	81.1138
Oct 31, 1994	93.1033
Jun 30, 1994	100.9616
Mar 31, 1994	96.76
Dec 31, 1993	90.5
Sep 30, 1993	111.2752
Jun 30, 1993	106.3375
Mar 31, 1993	101.1598
Dec 31, 1992	95.1158
Sep 30, 1992	101.0731
Jun 30, 1992	103.5101
Mar 31, 1992	98.8208
Dec 31, 1991	98.3671
Sep 30, 1991	98.3666
Jun 30, 1991	99.71
Mar 31, 1991	71.0298
Dec 31, 1990	58.5904
Sep 30, 1990	51.3
Jun 30, 1990	54.449
Mar 31, 1990	54.1279
Dec 31, 1989	57.4849
Sep 30, 1989	35.2962
Jun 30, 1989	0
Mar 31, 1989	0
Dec 31, 1988	27.8104
Sep 30, 1988	0
Jun 30, 1988	0
Mar 31, 1988	0
Dec 31, 1987	27.3819
Sep 30, 1987	0
Jun 30, 1987	0
Mar 31, 1987	0
Dec 31, 1986	23.6577
Sep 30, 1986	0
Jun 30, 1986	0
Mar 31, 1986	0
Dec 31, 1985	19.9604
Sep 30, 1985	0

Data is provided for informational purposes only and does not constitute investment advice. Past performance is not indicative of future results.