WTMNYSEFire, Marine & Casualty InsuranceFiscal year ends December 31

WHITE MOUNTAINS INSURANCE GROUP LTD

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026

$2167.12+6.81 (+0.32%)

Close on Oct 19, 2026

Market cap: $5.22B
P/E (TTM): 4.9
Dividend yield: 0.05%

WHITE MOUNTAINS INSURANCE GROUP LTD income statement

Annual Quarterly TTM

Millions of USD, except per-share data. Shares in millions.

Line item	Q2 2026 2026-06-30	Q1 2026 2026-03-31	Q4 2025 2025-12-31	Q3 2025 2025-09-30	Q2 2025 2025-06-30	Q1 2025 2025-03-31	Q4 2024 2024-12-31	Q3 2024 2024-09-30	Q2 2024 2024-06-30	Q1 2024 2024-03-31	Q4 2023 2023-12-31	Q3 2023 2023-09-30	Q2 2023 2023-06-30	Q1 2023 2023-03-31	Q4 2022 2022-12-31	Q3 2022 2022-09-30	Q2 2022 2022-06-30	Q1 2022 2022-03-31	Q4 2021 2021-12-31	Q3 2021 2021-09-30	Q2 2021 2021-06-30	Q1 2021 2021-03-31	Q4 2020 2020-12-31	Q3 2020 2020-09-30	Q2 2020 2020-06-30	Q1 2020 2020-03-31	Q4 2019 2019-12-31	Q3 2019 2019-09-30	Q2 2019 2019-06-30	Q1 2019 2019-03-31	Q4 2018 2018-12-31	Q3 2018 2018-09-30	Q2 2018 2018-06-30	Q1 2018 2018-03-31	Q4 2017 2017-12-31	Q3 2017 2017-09-30	Q2 2017 2017-06-30	Q1 2017 2017-03-31	Q4 2016 2016-12-31	Q3 2016 2016-09-30
Revenue	845	518	1,604	864	689	578	358	839	395	647	737	520	378	532	438	383	77	260	261	-92	342	178	521	460	260	-59	175	156	129	434	6.00	199	122	42	114	88	84	89	-5.50	57
Cost of Revenue	80	43	47	55	42	7.50	7.40	7.60	7.00	7.60	6.90	8.00	12	14	30	25	22	21	23	24	18	4.00	4.80	2.30	2.20	2.00	2.50	2.30	–	–	67	63	61	58	51	33	27	29	25	24
Gross Profit	765	475	1,557	809	647	570	351	832	388	640	730	512	367	518	408	358	54	239	238	-116	325	174	516	457	257	-61	173	153	–	–	-61	136	61	-16	63	54	57	60	-31	33
General & Administrative	143	145	196	177	132	96	121	122	123	125	134	100	103	96	107	86	101	70	76	52	71	138	120	103	89	74	91	78	–	–	59	69	61	48	52	42	55	61	31	42
Total Costs & Expenses	589	543	703	685	513	505	479	600	430	415	409	499	361	333	309	414	309	275	230	268	181	317	164	138	127	107	119	104	113	152	150	154	135	108	109	79	86	92	69	71
Interest Expense	20	19	22	20	19	18	14	17	15	15	18	16	14	15	13	11	10	6.90	5.70	4.40	3.20	13	-14	7.80	7.40	6.00	4.90	4.70	–	–	3.50	3.40	2.00	0.60	0.50	0.90	0.50	0.40	0.40	0.50
Income from Equity Investments	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	0	0	–	–	0	0	–	–	–	–	–	–	–	–	–	–	0	0
Asset Impairment Charges	0	9.60	–	–	–	–	–	0	0	0	–	0	0	0	–	0	0	0	0	0	0	30	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
Gain (Loss) on Investments	209	-54	110	84	117	50	-206	224	-60	227	283	-58	11	198	64	-48	-114	19	79	-397	113	-41	716	-36	153	-157	85	67	35	246	-131	66	11	-54	31	33	34	36	-55	11
Gain (Loss) on Sale of Assets	0	2.40	–	–	0	0	–	–	–	–	–	–	–	–	–	–	–	0	0	0	0	-29	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
Pretax Income	256	-26	901	179	177	72	-121	240	-35	233	328	21	17	199	129	-31	-233	-15	31	-361	161	-139	357	321	133	-166	57	51	16	282	-144	44	-12	-66	5.20	8.40	-2.20	-3.60	-75	-14
Income Tax Expense	25	0.80	87	17	13	9.60	3.70	12	6.50	11	-35	7.30	0.20	12	68	-7.40	-16	-2.70	-7.80	29	30	-9.50	-118	99	24	-26	10	8.80	-0.10	10	-3.60	-3.60	2.50	0.70	-2.50	-4.00	-1.00	-0.30	-10	-17
Income from Continuing Operations	–	–	–	–	–	–	–	–	–	–	287	24	20	180	40	-4.80	-175	30	32	-377	137	-94	475	234	116	-130	46	42	16	272	-141	48	-15	-67	7.70	12	-1.20	-3.30	-64	3.30
Income from Discontinued Operations	–	–	–	–	–	–	–	–	–	–	0	0	0	0	0	893	6.40	3.70	21	5.30	1.10	19	-1.50	-0.70	1.00	-0.90	-0.80	0.90	0	0.70	0	-17	0	0.10	4.30	539	2.80	31	8.00	84
Net Income incl. Noncontrolling Interests	231	-26	814	162	164	63	-124	228	-41	222	363	14	17	187	62	870	-210	-8.40	40	-384	133	-111	473	222	108	-140	45	43	16	272	-141	31	-15	-67	12	552	1.60	28	-56	88
Minority Interest in Earnings	32	0.90	-22	48	41	29	6.00	49	13	-15	76	-9.80	-2.40	7.70	21	-19	-41	-42	7.20	-13	-6.00	-35	-16	-11	-7.80	-11	-16	-5.50	-4.60	-12	-3.00	-10	-18	-19	-11	-11	-12	-1.00	-17	-3.10
Net Income	200	-27	836	114	123	34	-130	179	-55	236	287	24	20	180	40	888	-169	33	33	-371	139	-75	–	233	115	-129	–	49	21	–	–	–	–	–	–	–	–	–	–	–
Net Income to Common	194	-31	823	112	121	34	-129	177	-54	234	282	23	19	177	40	-4.70	-169	33	39	-371	139	-75	489	233	115	-129	61	49	21	284	-138	41	3.50	-48	23	562	14	29	-39	91
EPS (Basic)(per share)	80.58	-12.59	327.46	44.18	47.75	13.19	-50.85	69.68	-21.24	92.33	111.93	9.19	7.65	69.83	15.75	306.93	-56.80	11.10	13.05	-120.18	44.56	-24.30	157.70	75.09	37.14	-40.54	19.12	15.29	6.44	89.64	-43.24	12.83	1.02	-12.82	6.00	130.81	2.97	6.34	-8.52	18.65
EPS (Diluted)(per share)	80.58	-12.59	327.46	44.18	47.75	13.19	-50.85	69.68	-21.24	92.33	111.93	9.19	7.65	69.83	15.75	306.93	-56.80	11.10	13.05	-120.18	44.56	-24.30	157.70	75.09	37.14	-40.54	19.12	15.29	6.44	89.64	-43.24	12.83	1.02	-12.82	6.00	130.81	2.97	6.34	-8.52	18.61
Shares Outstanding (Basic, Weighted)(shares)	2.41	2.45	2.51	2.54	2.54	2.54	2.53	2.53	2.53	2.53	2.52	2.52	2.52	2.54	2.53	2.86	2.94	2.98	2.98	3.05	3.07	3.07	3.06	3.06	3.06	3.14	3.14	3.14	3.14	3.14	3.14	3.14	3.39	3.71	3.69	4.24	4.51	4.51	4.49	4.80
Shares Outstanding (Diluted, Weighted)(shares)	2.41	2.45	2.51	2.54	2.54	2.54	2.53	2.53	2.53	2.53	2.52	2.52	2.52	2.54	2.53	2.86	2.94	2.98	2.98	3.05	3.07	3.07	3.06	3.06	3.06	3.14	3.14	3.14	3.14	3.14	3.14	3.14	3.39	3.71	3.69	4.24	4.51	4.51	4.48	4.81
Dividend per Share(per share)	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00	0.00	1.00	0.00	0.00
Total Interest Income	–	–	–	–	–	–	–	–	–	–	–	–	43	40	45	35	26	21	26	20	18	21	18	72	20	23	25	19	21	16	15	14	12	20	17	13	16	13	15	10
Premiums Earned	385	385	449	558	375	395	447	582	344	319	370	507	301	263	293	353	228	203	209	220	124	111	5.60	6.20	5.60	5.40	2.60	5.20	–	–	4.20	3.30	3.40	3.00	3.80	2.40	2.20	3.00	3.20	3.40
Net Investment Income	71	71	68	59	61	60	55	58	57	57	64	48	43	39	45	34	25	21	25	20	17	21	17	71	20	23	24	18	21	16	14	13	12	20	16	12	15	13	14	9.60
Policyholder Benefits & Claims	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	0	0	0	1.10	1.20	2.20

Italic numbers are calculated by StockData (for example Q4 = full year − nine months). Per-share data and share counts are adjusted for stock splits. Hover a number for its source; click it to open the filing on SEC.gov. Click a row to chart it.

Ratios

Latest available, balances at Jun 30, 2026

Profitability, TTM

Gross margin: 94.1%
Operating margin: –
Net margin: 29.3%
Return on equity, FY2025: 22.3%

Financial strength

Current ratio: –
Debt to equity: –
Debt to assets: –
Cash to current liabilities: –

Valuation

P/E ratio: 4.9
Price to sales: 1.36
Price to book: 0.97
Dividend yield: 0.05%