Selected Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data (Unaudited)

SELECTED QUARTERLY FINANCIAL DATA

(Unaudited)

The following table presents selected quarterly financial data for 2020 and 2019. The quarterly financial data includes, in the opinion of management, all recurring adjustments necessary for a fair presentation of the results of operations for the interim periods.

Prior year amounts have been reclassified to conform to the current period’s presentation. Prior year amounts have also been adjusted for the impact of White Mountains’s financial statement revisions.


	2020 Three Months Ended								2019 Three Months Ended
Millions, Except Per Share Amounts	Dec. 31		Sept. 30		June 30		Mar. 31		Dec. 31		Sept. 30		June 30		Mar. 31
Revenues	$	520.8	$	459.5	$	259.6	$	(59.2)	$	175.3	$	155.5	$	129.0	$	433.6
Expenses	163.5		138.3		126.9		106.8		118.8		104.4		113.2		151.9
Pre-tax income (loss)	357.3		321.2		132.7		(166.0)		56.5		51.1		15.8		281.7
Tax (expense) benefit	117.6		(98.5)		(24.1)		25.5		(10.4)		(8.8)		.1		(10.2)
Income (loss) from continuing operations	474.9		222.7		108.6		(140.5)		46.1		42.3		15.9		271.5
Net (loss) gain from discontinued operations, net of tax (1)	(1.5)		(.7)		(1.0)		.9		(.8)		.9		—		.7
Non-controlling interest in consolidated subsidiaries	15.8		10.9		7.8		10.8		15.6		5.5		4.6		12.2

Income (loss) attributable to White Mountains’s common shareholders	$	489.2	$	232.9	$	115.4	$	(128.8)	$	60.9	$	48.7	$	20.5	$	284.4
Income (loss) attributable to White Mountains’s common shareholders per share:
Basic
Continuing operations	$	158.19	$	75.32	$	37.46	$	(40.82)	$	19.37	$	15.01	$	6.44	$	89.42
Discontinued operations	(.49)		(.23)		(.32)		.28		(.25)		.28		—		.22
Total consolidated operations	$	157.70	$	75.09	$	37.14	$	(40.54)	$	19.12	$	15.29	$	6.44	$	89.64
Diluted
Continuing operations	$	158.19	$	75.32	$	37.46	$	(40.82)	$	19.37	$	15.01	$	6.44	$	89.42
Discontinued operations	(.49)		(.23)		(.32)		.28		(.25)		.28		—		.22
Total consolidated operations	$	157.70	$	75.09	$	37.14	$	(40.54)	$	19.12	$	15.29	$	6.44	$	89.64

(1) During 2020 and 2019, net (loss) gain from discontinued operations arose from the tax contingency on the sale of Sirius Group. See Note 18 — “Commitments and Contingencies”.