| Virginia | 001-15811 | 54-1959284 | ||||||
| (State or other jurisdiction of incorporation) | (Commission File Number) | (IRS Employer Identification No.) | ||||||
☐ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) | ||||
☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) | ||||
☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) | ||||
☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) | ||||
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||||||
| Common Stock, no par value | MKL | New York Stock Exchange | ||||||
| Exhibit No. | Description | ||||
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) | ||||
| MARKEL GROUP INC. | |||||||||||
| February 4, 2026 | By: | /s/ Brian J. Costanzo | |||||||||
| Name: | Brian J. Costanzo | ||||||||||
| Title: | Chief Financial Officer | ||||||||||
![]() | For more information contact: Investor Relations Markel Group Inc. IR@markel.com | |||||||
Quarter Ended December 31, | Year Ended December 31, | ||||||||||||||||||||||
(dollars in thousands) | 2025 | 2024 | 2025 | 2024 | |||||||||||||||||||
| Operating revenues | $ | 4,007,965 | $ | 3,723,576 | $ | 15,513,233 | $ | 14,813,544 | |||||||||||||||
| Operating income | $ | 795,146 | $ | 595,470 | $ | 3,194,852 | $ | 3,712,562 | |||||||||||||||
| Add: Amortization of acquired intangible assets | 42,791 | 46,491 | 185,007 | 181,472 | |||||||||||||||||||
| Less: Net investment gains | 212,043 | 117,425 | 1,076,081 | 1,807,219 | |||||||||||||||||||
Adjusted operating income (1) | $ | 625,894 | $ | 524,536 | $ | 2,303,778 | $ | 2,086,815 | |||||||||||||||
| Comprehensive income to shareholders | $ | 606,325 | $ | 125,951 | $ | 2,614,632 | $ | 2,608,150 | |||||||||||||||
Year Ended December 31, | |||||||||||||||||||||||||||||
| (dollars in thousands) | 2025 | 2024 | 2023 | 2022 | 2021 | ||||||||||||||||||||||||
Operating revenues | $ | 15,513,233 | $ | 14,813,544 | $ | 14,279,576 | $ | 13,271,068 | $ | 10,867,891 | |||||||||||||||||||
| Operating income (loss) | $ | 3,194,852 | $ | 3,712,562 | $ | 2,928,828 | $ | (93,336) | $ | 3,241,505 | |||||||||||||||||||
| Add: Amortization of acquired intangible assets | 185,007 | 181,472 | 180,614 | 178,778 | 160,539 | ||||||||||||||||||||||||
| Add: Impairment of goodwill | — | — | — | 80,000 | — | ||||||||||||||||||||||||
| Less: Net investment gains (losses) | 1,076,081 | 1,807,219 | 1,524,054 | (1,595,733) | 1,978,534 | ||||||||||||||||||||||||
Adjusted operating income (1) | $ | 2,303,778 | $ | 2,086,815 | $ | 1,585,388 | $ | 1,761,175 | $ | 1,423,510 | |||||||||||||||||||
5-year compound annual growth rate: | |||||||||||||||||||||||||||||
Closing stock price per share | 16 | % | |||||||||||||||||||||||||||
Intrinsic value per share (2) | 15 | % | |||||||||||||||||||||||||||
Year Ended December 31, | |||||||||||||||||
| (dollars in thousands) | 2025 | 2024 | % Change | ||||||||||||||
| Operating revenues: | |||||||||||||||||
| Markel Insurance | $ | 9,352,891 | $ | 8,983,443 | 4 | % | |||||||||||
| Industrial | 3,928,249 | 3,779,616 | 4 | % | |||||||||||||
| Financial | 736,964 | 593,313 | 24 | % | |||||||||||||
| Consumer and Other | 1,382,912 | 1,327,333 | 4 | % | |||||||||||||
| Corporate and eliminations | 112,217 | 129,839 | (14) | % | |||||||||||||
| Total operating revenues | $ | 15,513,233 | $ | 14,813,544 | 5 | % | |||||||||||
Adjusted operating income: | |||||||||||||||||
| Markel Insurance | $ | 1,379,067 | $ | 1,184,488 | 16 | % | |||||||||||
| Industrial | 343,183 | 365,034 | (6) | % | |||||||||||||
| Financial | 326,572 | 262,082 | 25 | % | |||||||||||||
| Consumer and Other | 174,636 | 145,372 | 20 | % | |||||||||||||
| Corporate and eliminations | 80,320 | 129,839 | (38) | % | |||||||||||||
Total adjusted operating income (1) | $ | 2,303,778 | $ | 2,086,815 | 10 | % | |||||||||||
Year Ended December 31, | |||||||||||||||||
(dollars in thousands) | 2025 | 2024 | % Change | ||||||||||||||
Gross premium volume: | |||||||||||||||||
Underwriting | $ | 10,643,703 | $ | 10,259,862 | 4 | % | |||||||||||
Fronting | $ | 1,854,944 | $ | 1,306,022 | 42 | % | |||||||||||
Operating revenues: | |||||||||||||||||
| Earned premiums | $ | 8,401,323 | $ | 8,130,712 | 3 | % | |||||||||||
| Net investment income | 871,531 | 797,907 | 9 | % | |||||||||||||
| Services and other revenues | 80,037 | 54,824 | 46 | % | |||||||||||||
Operating revenues | $ | 9,352,891 | $ | 8,983,443 | 4 | % | |||||||||||
Adjusted operating income: | |||||||||||||||||
Underwriting profit | $ | 455,671 | $ | 366,976 | 24 | % | |||||||||||
Net investment income | 871,531 | 797,907 | 9 | % | |||||||||||||
Services and other income | 51,865 | 19,605 | 165 | % | |||||||||||||
Adjusted operating income | $ | 1,379,067 | $ | 1,184,488 | 16 | % | |||||||||||
Net investment gains | $ | 976,740 | $ | 1,447,686 | (33) | % | |||||||||||
Combined ratio | 94.6 | % | 95.5 | % | |||||||||||||
Return on equity (1) | 14 | % | 18 | % | |||||||||||||
5-Year average annual return on equity (1) | 13 | % | 12 | % | |||||||||||||
| Year Ended December 31, | |||||||||||||||||
| (dollars in thousands) | 2025 | 2024 | % Change | ||||||||||||||
Underwriting gross premium volume | $ | 10,643,703 | $ | 10,259,862 | 4 | % | |||||||||||
| Net written premiums | $ | 8,399,735 | $ | 8,004,788 | 5 | % | |||||||||||
| Earned premiums | $ | 8,401,323 | $ | 8,130,712 | 3 | % | |||||||||||
| Underwriting profit | $ | 455,671 | $ | 366,976 | 24 | % | |||||||||||
Underwriting Ratios (1) | Point Change | ||||||||||||||||
| Loss ratio | |||||||||||||||||
| Current accident year loss ratio | 64.2 | % | 65.6 | % | (1.4) | ||||||||||||
| Prior accident years loss ratio | (5.8) | % | (5.6) | % | (0.2) | ||||||||||||
| Loss ratio | 58.4 | % | 60.0 | % | (1.6) | ||||||||||||
| Expense ratio | 36.1 | % | 35.5 | % | 0.6 | ||||||||||||
| Combined ratio | 94.6 | % | 95.5 | % | (0.9) | ||||||||||||
Current accident year loss ratio catastrophe impact (2) | 0.7 | % | 0.9 | % | (0.2) | ||||||||||||
Current accident year loss ratio, excluding catastrophe impact (3) | 63.5 | % | 64.7 | % | (1.2) | ||||||||||||
Combined ratio, excluding current accident year catastrophe impact (3) | 93.8 | % | 94.6 | % | (0.8) | ||||||||||||
| Year Ended December 31, | |||||||||||||||||
| (dollars in thousands) | 2025 | 2024 | % Change | ||||||||||||||
| Operating revenues | $ | 3,928,249 | $ | 3,779,616 | 4 | % | |||||||||||
| Adjusted operating income | $ | 343,183 | $ | 365,034 | (6) | % | |||||||||||
| Year Ended December 31, | |||||||||||||||||
| (dollars in thousands) | 2025 | 2024 | % Change | ||||||||||||||
| Operating revenues | $ | 736,964 | $ | 593,313 | 24 | % | |||||||||||
Adjusted operating income (1) | $ | 326,572 | $ | 262,082 | 25 | % | |||||||||||
| Year Ended December 31, | |||||||||||||||||
| (dollars in thousands) | 2025 | 2024 | % Change | ||||||||||||||
| Operating revenues | $ | 1,382,912 | $ | 1,327,333 | 4 | % | |||||||||||
| Adjusted operating income | $ | 174,636 | $ | 145,372 | 20 | % | |||||||||||
Year Ended December 31, | |||||||||||
| (dollars in thousands) | 2025 | 2024 | |||||||||
| Net investment income | $ | 108,672 | $ | 130,931 | |||||||
Other revenues | 52,020 | 46,591 | |||||||||
| Operating revenues | 160,692 | 177,522 | |||||||||
Operating expenses (1) | (31,897) | — | |||||||||
| Corporate adjusted operating income | $ | 128,795 | $ | 177,522 | |||||||
| Markel Group consolidating eliminations | (48,475) | (47,683) | |||||||||
Corporate and eliminations adjusted operating income | $ | 80,320 | $ | 129,839 | |||||||
| Year Ended December 31, | |||||||||||
| (dollars in thousands) | 2025 | 2024 | |||||||||
| Net investment income | $ | 970,427 | $ | 920,496 | |||||||
Yield on fixed maturity securities (1) | 3.5 | % | 3.2 | % | |||||||
Yield on short-term investments (1) | 3.7 | % | 4.8 | % | |||||||
Yield on cash and cash equivalents and restricted cash and cash equivalents (1) | 3.3 | % | 3.7 | % | |||||||
| Net realized investment gains (losses) | $ | (4,076) | $ | 4,423 | |||||||
| Change in fair value of equity securities | 1,080,157 | 1,802,796 | |||||||||
| Net investment gains | $ | 1,076,081 | $ | 1,807,219 | |||||||
Return on equity securities (2) | |||||||||||
One-year annual return | 10.5 | % | 20.1 | % | |||||||
| Five-year annual return | 11.9 | % | 12.8 | % | |||||||
| Ten-year annual return | 13.5 | % | 12.1 | % | |||||||
| Twenty-year annual return | 11.0 | % | 10.5 | % | |||||||
Quarter Ended December 31, | Year Ended December 31, | ||||||||||||||||||||||
| (dollars in thousands, except per share data) | 2025 | 2024 | 2025 | 2024 | |||||||||||||||||||
| OPERATING REVENUES | |||||||||||||||||||||||
| Earned premiums | $ | 2,278,829 | $ | 2,117,578 | $ | 8,715,667 | $ | 8,432,412 | |||||||||||||||
| Net investment income | 257,648 | 243,689 | 970,427 | 920,496 | |||||||||||||||||||
| Products revenues | 563,002 | 575,323 | 2,578,544 | 2,635,659 | |||||||||||||||||||
| Services and other revenues | 908,486 | 786,986 | 3,248,595 | 2,824,977 | |||||||||||||||||||
| Total Operating Revenues | 4,007,965 | 3,723,576 | 15,513,233 | 14,813,544 | |||||||||||||||||||
| Net investment gains | 212,043 | 117,425 | 1,076,081 | 1,807,219 | |||||||||||||||||||
| OPERATING EXPENSES | |||||||||||||||||||||||
| Losses and loss adjustment expenses | 1,283,320 | 1,241,815 | 5,079,845 | 5,052,749 | |||||||||||||||||||
Underwriting, acquisition, and insurance expenses | 829,013 | 784,786 | 3,133,163 | 2,977,389 | |||||||||||||||||||
| Products expenses | 524,612 | 505,289 | 2,287,394 | 2,272,219 | |||||||||||||||||||
| Services and other expenses | 745,126 | 667,150 | 2,709,053 | 2,424,372 | |||||||||||||||||||
Amortization of acquired intangible assets | 42,791 | 46,491 | 185,007 | 181,472 | |||||||||||||||||||
| Total Operating Expenses | 3,424,862 | 3,245,531 | 13,394,462 | 12,908,201 | |||||||||||||||||||
| Operating Income | 795,146 | 595,470 | 3,194,852 | 3,712,562 | |||||||||||||||||||
| Interest expense | (50,016) | (52,794) | (205,910) | (204,300) | |||||||||||||||||||
| Net foreign exchange gains (losses) | (10,971) | 180,839 | (256,234) | 129,438 | |||||||||||||||||||
| Income Before Income Taxes | 734,159 | 723,515 | 2,732,708 | 3,637,700 | |||||||||||||||||||
| Income tax expense | (152,073) | (162,083) | (580,303) | (790,294) | |||||||||||||||||||
| Net Income | 582,086 | 561,432 | 2,152,405 | 2,847,406 | |||||||||||||||||||
| Net income attributable to noncontrolling interests | (5,274) | (12,254) | (45,395) | (100,384) | |||||||||||||||||||
| Net Income to Shareholders | 576,812 | 549,178 | 2,107,010 | 2,747,022 | |||||||||||||||||||
Preferred stock dividends and redemption premiums | — | (18,000) | (26,109) | (36,000) | |||||||||||||||||||
| Net Income to Common Shareholders | $ | 576,812 | $ | 531,178 | $ | 2,080,901 | $ | 2,711,022 | |||||||||||||||
| OTHER COMPREHENSIVE INCOME (LOSS) | |||||||||||||||||||||||
Change in net unrealized losses on available-for-sale investments, net of taxes | $ | 22,183 | $ | (413,287) | $ | 490,350 | $ | (130,295) | |||||||||||||||
Other, net of taxes | 7,330 | (9,918) | 17,237 | (8,459) | |||||||||||||||||||
| Total Other Comprehensive Income (Loss) | 29,513 | (423,205) | 507,587 | (138,754) | |||||||||||||||||||
| Comprehensive Income | 611,599 | 138,227 | 2,659,992 | 2,708,652 | |||||||||||||||||||
| Comprehensive income attributable to noncontrolling interests | (5,274) | (12,276) | (45,360) | (100,502) | |||||||||||||||||||
| Comprehensive Income to Shareholders | $ | 606,325 | $ | 125,951 | $ | 2,614,632 | $ | 2,608,150 | |||||||||||||||
| NET INCOME PER COMMON SHARE | |||||||||||||||||||||||
| Basic | $ | 48.95 | $ | 38.83 | $ | 169.74 | $ | 199.69 | |||||||||||||||
| Diluted | $ | 48.75 | $ | 38.74 | $ | 169.22 | $ | 199.32 | |||||||||||||||
Quarter Ended December 31, | |||||||||||||||||
(dollars in thousands) | 2025 | 2024 | % Change | ||||||||||||||
| Operating revenues: | |||||||||||||||||
| Markel Insurance | $ | 2,448,176 | $ | 2,278,227 | 7 | % | |||||||||||
| Industrial | 1,032,999 | 995,068 | 4 | % | |||||||||||||
| Financial | 224,130 | 159,302 | 41 | % | |||||||||||||
| Consumer and Other | 274,486 | 263,470 | 4 | % | |||||||||||||
| Corporate and eliminations | 28,174 | 27,509 | 2 | % | |||||||||||||
| Total operating revenues | $ | 4,007,965 | $ | 3,723,576 | 8 | % | |||||||||||
Adjusted operating income: | |||||||||||||||||
| Markel Insurance | $ | 398,722 | $ | 304,007 | 31 | % | |||||||||||
| Industrial | 79,604 | 107,808 | (26) | % | |||||||||||||
| Financial | 107,132 | 67,876 | 58 | % | |||||||||||||
| Consumer and Other | 23,353 | 17,336 | 35 | % | |||||||||||||
| Corporate and eliminations | 17,083 | 27,509 | (38) | % | |||||||||||||
Total adjusted operating income (1) | $ | 625,894 | $ | 524,536 | 19 | % | |||||||||||
Quarter Ended December 31, | |||||||||||||||||
(dollars in thousands) | 2025 | 2024 | % Change | ||||||||||||||
Gross premium volume: | |||||||||||||||||
Underwriting | $ | 2,321,068 | $ | 2,253,038 | 3 | % | |||||||||||
Fronting | $ | 16,445 | $ | 89,612 | (82) | % | |||||||||||
Operating revenues: | |||||||||||||||||
| Earned premiums | $ | 2,193,514 | $ | 2,044,294 | 7 | % | |||||||||||
| Net investment income | 232,877 | 214,558 | 9 | % | |||||||||||||
| Services and other revenues | 21,785 | 19,375 | 12 | % | |||||||||||||
Operating revenues | $ | 2,448,176 | $ | 2,278,227 | 7 | % | |||||||||||
Adjusted operating income: | |||||||||||||||||
Underwriting profit | $ | 156,830 | $ | 83,726 | 87 | % | |||||||||||
Net investment income | 232,877 | 214,558 | 9 | % | |||||||||||||
Services and other income | 9,015 | 5,723 | 58 | % | |||||||||||||
Adjusted operating income | $ | 398,722 | $ | 304,007 | 31 | % | |||||||||||
Net investment gains | $ | 230,924 | $ | 147,253 | 57 | % | |||||||||||
| Combined ratio | 92.9 | % | 95.9 | % | |||||||||||||
Quarter Ended December 31, | |||||||||||||||||
| (dollars in thousands) | 2025 | 2024 | % Change | ||||||||||||||
Underwriting gross premium volume | $ | 2,321,068 | $ | 2,253,038 | 3 | % | |||||||||||
| Net written premiums | $ | 1,839,079 | $ | 1,733,648 | 6 | % | |||||||||||
| Earned premiums | $ | 2,193,514 | $ | 2,044,294 | 7 | % | |||||||||||
| Underwriting profit | $ | 156,830 | $ | 83,726 | 87 | % | |||||||||||
Underwriting Ratios (1) | Point Change | ||||||||||||||||
| Loss ratio | |||||||||||||||||
| Current accident year loss ratio | 61.9 | % | 64.1 | % | (2.2) | ||||||||||||
| Prior accident years loss ratio | (5.8) | % | (5.5) | % | (0.3) | ||||||||||||
| Loss ratio | 56.1 | % | 58.7 | % | (2.6) | ||||||||||||
| Expense ratio | 36.7 | % | 37.2 | % | (0.5) | ||||||||||||
| Combined ratio | 92.9 | % | 95.9 | % | (3.0) | ||||||||||||
Current accident year loss ratio catastrophe impact (2) | 0.2 | % | 0.4 | % | (0.2) | ||||||||||||
Current accident year loss ratio, excluding catastrophe impact (3) | 61.7 | % | 63.7 | % | (2.0) | ||||||||||||
Combined ratio, excluding current accident year catastrophe impact (3) | 92.6 | % | 95.5 | % | (2.9) | ||||||||||||
Quarter Ended December 31, | |||||||||||||||||
(dollars in thousands) | 2025 | 2024 | % Change | ||||||||||||||
Operating revenues | $ | 1,032,999 | $ | 995,068 | 4 | % | |||||||||||
Adjusted operating income | $ | 79,604 | $ | 107,808 | (26) | % | |||||||||||
Quarter Ended December 31, | |||||||||||||||||
(dollars in thousands) | 2025 | 2024 | % Change | ||||||||||||||
Operating revenues | $ | 224,130 | $ | 159,302 | 41 | % | |||||||||||
| Adjusted operating income | $ | 107,132 | $ | 67,876 | 58 | % | |||||||||||
Quarter Ended December 31, | |||||||||||||||||
(dollars in thousands) | 2025 | 2024 | % Change | ||||||||||||||
Operating revenues | $ | 274,486 | $ | 263,470 | 4 | % | |||||||||||
Adjusted operating income | $ | 23,353 | $ | 17,336 | 35 | % | |||||||||||
Quarter Ended December 31, | |||||||||||
| (dollars in thousands) | 2025 | 2024 | |||||||||
| Net investment income | $ | 26,588 | $ | 32,011 | |||||||
Other revenues | 13,524 | 7,922 | |||||||||
| Operating revenues | 40,112 | 39,933 | |||||||||
Operating expenses (1) | (11,091) | — | |||||||||
| Corporate adjusted operating income | $ | 29,021 | $ | 39,933 | |||||||
| Markel Group consolidating eliminations | (11,938) | (12,424) | |||||||||
Corporate and eliminations adjusted operating income | $ | 17,083 | $ | 27,509 | |||||||
(dollars in millions, except per share data) | 2025 | 2024 | 2023 | 2022 | 2021 | ||||||||||||||||||||||||
| Operating Performance | |||||||||||||||||||||||||||||
| Operating revenues | $ | 15,513 | $ | 14,814 | $ | 14,280 | $ | 13,271 | $ | 10,868 | |||||||||||||||||||
| Operating cash flows | 2,761 | 2,594 | 2,787 | 2,709 | 2,274 | ||||||||||||||||||||||||
| Operating income (loss) | 3,195 | 3,713 | 2,929 | (93) | 3,242 | ||||||||||||||||||||||||
| Less: Net investment gains (losses) | 1,076 | 1,807 | 1,524 | (1,596) | 1,979 | ||||||||||||||||||||||||
| Add: Amortization and impairment | 185 | 181 | 181 | 259 | 161 | ||||||||||||||||||||||||
Adjusted operating income (1) | 2,304 | 2,087 | 1,585 | 1,761 | 1,424 | ||||||||||||||||||||||||
Financial Position (at year end) | |||||||||||||||||||||||||||||
| Equity securities | $ | 13,004 | $ | 11,785 | $ | 9,578 | $ | 7,672 | $ | 9,024 | |||||||||||||||||||
Invested assets | 37,439 | 34,247 | 30,854 | 27,420 | 28,292 | ||||||||||||||||||||||||
Insurance float (2) | 18,827 | 17,519 | 16,733 | 14,947 | 13,543 | ||||||||||||||||||||||||
| Total assets | 68,905 | 61,898 | 55,046 | 49,791 | 48,477 | ||||||||||||||||||||||||
| Shareholders' equity | 18,598 | 16,916 | 14,984 | 13,151 | 14,700 | ||||||||||||||||||||||||
| Senior long-term debt and other debt | 4,304 | 4,330 | 3,780 | 4,104 | 4,361 | ||||||||||||||||||||||||
Debt to capital ratio | 19 | % | 20 | % | 20 | % | 24 | % | 23 | % | |||||||||||||||||||
| Per Share Data | |||||||||||||||||||||||||||||
| Common shares outstanding (at year end, in thousands) | 12,590 | 12,790 | 13,132 | 13,423 | 13,632 | ||||||||||||||||||||||||
5-Year CAGR in closing stock price | 16 | % | 9 | % | 6 | % | 3 | % | 6 | % | |||||||||||||||||||
5-Year CAGR in intrinsic value per share (3) | 15 | % | 17 | % | 19 | % | 12 | % | 9 | % | |||||||||||||||||||
| Invested assets per share (at year end) | $ | 2,974 | $ | 2,678 | $ | 2,350 | $ | 2,043 | $ | 2,075 | |||||||||||||||||||
Diluted net income (loss) per share | 169 | 199 | 147 | (24) | 176 | ||||||||||||||||||||||||
| Operating income (loss) per share | 253 | 290 | 223 | (7) | 238 | ||||||||||||||||||||||||
Adjusted operating income per share (1) | 182 | 163 | 121 | 131 | 104 | ||||||||||||||||||||||||
(dollars in millions) | 2025 | 2024 | 2023 | 2022 | 2021 | ||||||||||||||||||||||||
| Markel Insurance | |||||||||||||||||||||||||||||
| Operating revenues | $ | 9,353 | $ | 8,983 | $ | 8,688 | $ | 7,804 | $ | 6,736 | |||||||||||||||||||
Adjusted operating income (1) | $ | 1,379 | $ | 1,184 | $ | 747 | $ | 1,008 | $ | 964 | |||||||||||||||||||
| Combined ratio | 95 | % | 95 | % | 99 | % | 92 | % | 90 | % | |||||||||||||||||||
Return on equity (2) | 14 | % | 18 | % | 16 | % | (3) | % | 20 | % | |||||||||||||||||||
5-Year average annual return on equity (2) | 13 | % | 12 | % | |||||||||||||||||||||||||
Total investment return (3) | 7 | % | 10 | % | 9 | % | (4) | % | 8 | % | |||||||||||||||||||
| Total equity | $ | 12,923 | $ | 11,516 | $ | 9,968 | $ | 8,490 | $ | 8,872 | |||||||||||||||||||
Industrial | |||||||||||||||||||||||||||||
| Operating revenues | $ | 3,928 | $ | 3,780 | $ | 3,729 | $ | 3,400 | $ | 2,379 | |||||||||||||||||||
| Revenue growth | 4 | % | 1 | % | 10 | % | 43 | % | 52 | % | |||||||||||||||||||
Organic revenue growth (4) | 2 | % | 0 | % | 8 | % | 18 | % | 21 | % | |||||||||||||||||||
Adjusted operating income (1) | $ | 343 | $ | 365 | $ | 378 | $ | 286 | $ | 169 | |||||||||||||||||||
Tangible capital (5) | $ | 1,475 | $ | 1,437 | $ | 1,417 | $ | 1,315 | $ | 1,023 | |||||||||||||||||||
Total capital (5) | $ | 2,772 | $ | 2,771 | $ | 2,657 | $ | 2,604 | $ | 2,297 | |||||||||||||||||||
| Financial | |||||||||||||||||||||||||||||
| Operating revenues | $ | 737 | $ | 593 | $ | 553 | $ | 718 | $ | 495 | |||||||||||||||||||
| Revenue growth | 24 | % | 7 | % | (23) | % | 45 | % | 4 | % | |||||||||||||||||||
Organic revenue growth (4) | 17 | % | 8 | % | 21 | % | 19 | % | 4 | % | |||||||||||||||||||
Adjusted operating income (1) | $ | 327 | $ | 262 | $ | 260 | $ | 355 | $ | 134 | |||||||||||||||||||
Tangible capital (5) | $ | 1,119 | $ | 950 | $ | 936 | $ | 825 | $ | 838 | |||||||||||||||||||
Total capital (5) | $ | 2,012 | $ | 1,901 | $ | 1,946 | $ | 1,899 | $ | 2,187 | |||||||||||||||||||
| Consumer and Other | |||||||||||||||||||||||||||||
| Operating revenues | $ | 1,383 | $ | 1,327 | $ | 1,247 | $ | 1,349 | $ | 1,250 | |||||||||||||||||||
| Revenue growth | 4 | % | 6 | % | (8) | % | 8 | % | 3 | % | |||||||||||||||||||
Organic revenue growth (4) | 1 | % | 2 | % | (8) | % | 8 | % | 9 | % | |||||||||||||||||||
Adjusted operating income (1) | $ | 175 | $ | 145 | $ | 136 | $ | 113 | $ | 149 | |||||||||||||||||||
Tangible capital (5) | $ | 657 | $ | 649 | $ | 691 | $ | 680 | $ | 602 | |||||||||||||||||||
Total capital (5) | $ | 1,423 | $ | 1,162 | $ | 1,227 | $ | 1,245 | $ | 1,193 | |||||||||||||||||||
Year Ended December 31, 2025 | |||||||||||||||||
| 8x Multiple | 12x Multiple | 16x Multiple | |||||||||||||||
| 5-Year CAGR in intrinsic value per share | 14.5 | % | 15.2 | % | 15.7 | % | |||||||||||
| (dollars in thousands) | Year Ended December 31, | ||||||||||||||||||||||||||||||||||||||||||||||
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | ||||||||||||||||||||||||||||||||||||||||
| Operating income (loss) | $ | 3,194,852 | $ | 3,712,562 | $ | 2,928,828 | $ | (93,336) | $ | 3,241,505 | $ | 1,273,884 | $ | 2,477,346 | $ | 39,759 | |||||||||||||||||||||||||||||||
| Add: Amortization and impairment | 185,007 | 181,472 | 180,614 | 258,778 | 160,539 | 159,315 | 148,638 | 315,128 | |||||||||||||||||||||||||||||||||||||||
| Less: Net investment gains (losses) | 1,076,081 | 1,807,219 | 1,524,054 | (1,595,733) | 1,978,534 | 617,979 | 1,601,722 | (437,596) | |||||||||||||||||||||||||||||||||||||||
| Adjusted operating income | $ | 2,303,778 | $ | 2,086,815 | $ | 1,585,388 | $ | 1,761,175 | $ | 1,423,510 | $ | 815,220 | $ | 1,024,262 | $ | 792,483 | |||||||||||||||||||||||||||||||
| Less: Dividends on equity securities | 156,169 | 142,367 | 116,911 | 107,213 | 98,099 | 89,303 | 100,222 | 90,840 | |||||||||||||||||||||||||||||||||||||||
| Less: Interest on cash and short-term investments | 228,120 | 286,063 | 251,821 | 62,383 | 2,954 | 14,321 | 50,425 | 48,765 | |||||||||||||||||||||||||||||||||||||||
| Adjusted earnings | $ | 1,919,489 | $ | 1,658,385 | $ | 1,216,656 | $ | 1,591,579 | $ | 1,322,457 | $ | 711,596 | $ | 873,615 | $ | 652,878 | |||||||||||||||||||||||||||||||
| Adjusted earnings - 3-year average | $ | 1,598,177 | $ | 1,488,873 | $ | 1,376,897 | $ | 1,208,544 | $ | 969,223 | $ | 746,030 | |||||||||||||||||||||||||||||||||||
| (in thousands) | December 31, | ||||||||||||||||||||||||||||||||||
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | ||||||||||||||||||||||||||||||
| Equity securities | $ | 13,004,312 | $ | 11,784,521 | $ | 9,577,871 | $ | 7,671,912 | $ | 9,023,927 | $ | 6,994,110 | |||||||||||||||||||||||
| Short-term investments and cash and cash equivalents | 5,998,367 | 6,217,577 | 6,318,442 | 6,806,694 | 5,778,478 | 6,375,835 | |||||||||||||||||||||||||||||
| Senior long-term debt and other debt | (4,303,811) | (4,330,341) | (3,779,796) | (4,103,629) | (4,361,266) | (3,484,023) | |||||||||||||||||||||||||||||
| Preferred stock | — | (591,891) | (591,891) | (591,891) | (591,891) | (591,891) | |||||||||||||||||||||||||||||
| Redeemable noncontrolling interests and noncontrolling interests | (504,433) | (553,075) | (541,965) | (585,945) | (484,238) | (260,534) | |||||||||||||||||||||||||||||
| Balance sheet valuation | $ | 14,194,435 | $ | 12,526,791 | $ | 10,982,661 | $ | 9,197,141 | $ | 9,365,010 | $ | 9,033,497 | |||||||||||||||||||||||
| Common shares outstanding | 12,590 | 12,790 | 13,132 | 13,423 | 13,632 | 13,783 | |||||||||||||||||||||||||||||
Year Ended December 31, | |||||||||||||||||||||||||||||
| (dollars in thousands) | 2025 | 2024 | 2023 | 2022 | 2021 | ||||||||||||||||||||||||
| Underwriting profit | $ | 455,671 | $ | 366,976 | $ | 92,786 | $ | 594,289 | $ | 614,331 | |||||||||||||||||||
| Net investment income | 871,531 | 797,907 | 642,676 | 407,826 | 360,173 | ||||||||||||||||||||||||
Services and other income (loss) | 51,865 | 19,605 | 11,713 | 5,798 | (10,881) | ||||||||||||||||||||||||
| Adjusted operating income | $ | 1,379,067 | $ | 1,184,488 | $ | 747,175 | $ | 1,007,913 | $ | 963,623 | |||||||||||||||||||
| Net investment gains (losses) | 976,740 | 1,447,686 | 1,249,362 | (1,203,958) | 1,440,295 | ||||||||||||||||||||||||
Interest expense (1) | (187,541) | (178,385) | (156,521) | (172,256) | (173,952) | ||||||||||||||||||||||||
Income tax expense (2) | (477,019) | (539,834) | (404,804) | 81,026 | (490,593) | ||||||||||||||||||||||||
| $ | 1,691,247 | $ | 1,913,955 | $ | 1,435,212 | $ | (287,275) | $ | 1,739,373 | ||||||||||||||||||||
| Average equity | $ | 12,219,695 | $ | 10,742,094 | $ | 9,229,143 | $ | 8,681,108 | $ | 8,555,403 | |||||||||||||||||||
| Return on equity | 14 | % | 18 | % | 16 | % | (3) | % | 20 | % | |||||||||||||||||||
| 5-Year average annual return on equity | 13 | % | 12 | % | |||||||||||||||||||||||||
Quarter Ended December 31, 2025 | |||||||||||||||||||||||||||||||||||
| (dollars in thousands) | U.S. Wholesale and Specialty | Programs and Solutions | International | Global Reinsurance | Other | Markel Insurance | |||||||||||||||||||||||||||||
| Gross premium volume - underwriting | $ | 723,054 | $ | 873,855 | $ | 743,388 | $ | (19,263) | $ | 34 | $ | 2,321,068 | |||||||||||||||||||||||
| Gross premium volume - fronting | — | 16,445 | — | — | — | 16,445 | |||||||||||||||||||||||||||||
| Gross premium volume | $ | 723,054 | $ | 890,300 | $ | 743,388 | $ | (19,263) | $ | 34 | $ | 2,337,513 | |||||||||||||||||||||||
| Net written premiums | $ | 608,752 | $ | 590,122 | $ | 660,450 | $ | (20,254) | $ | 9 | $ | 1,839,079 | |||||||||||||||||||||||
| Earned premiums | $ | 647,462 | $ | 622,854 | $ | 679,427 | $ | 240,598 | $ | 3,173 | $ | 2,193,514 | |||||||||||||||||||||||
| Losses and loss adjustment expenses: | |||||||||||||||||||||||||||||||||||
| Current accident year - attritional | (400,482) | (437,565) | (329,784) | (173,856) | (11,761) | (1,353,448) | |||||||||||||||||||||||||||||
| Current accident year - catastrophe | (942) | 107 | (4,500) | 1 | — | (5,334) | |||||||||||||||||||||||||||||
| Prior accident years | 18,215 | 38,670 | 61,433 | 15,023 | (6,212) | 127,129 | |||||||||||||||||||||||||||||
| Underwriting, acquisition, and insurance expenses | (217,433) | (236,073) | (273,891) | (76,277) | (1,357) | (805,031) | |||||||||||||||||||||||||||||
| Underwriting profit (loss) | $ | 46,820 | $ | (12,007) | $ | 132,685 | $ | 5,489 | $ | (16,157) | $ | 156,830 | |||||||||||||||||||||||
| Services and other revenues | $ | — | $ | 13,988 | $ | 7,385 | $ | 3 | $ | 638 | $ | 22,014 | |||||||||||||||||||||||
| Services and other expenses | — | (5,274) | (6,407) | — | (1,089) | (12,770) | |||||||||||||||||||||||||||||
| Services and other income (loss) | $ | — | $ | 8,714 | $ | 978 | $ | 3 | $ | (451) | $ | 9,244 | |||||||||||||||||||||||
| Current accident year loss ratio | 62.0 | % | 70.2 | % | 49.2 | % | 72.3 | % | 61.9 | % | |||||||||||||||||||||||||
| Prior accident years loss ratio | (2.8) | % | (6.2) | % | (9.0) | % | (6.2) | % | (5.8) | % | |||||||||||||||||||||||||
| Loss ratio | 59.2 | % | 64.0 | % | 40.2 | % | 66.0 | % | 56.1 | % | |||||||||||||||||||||||||
| Expense ratio | 33.6 | % | 37.9 | % | 40.3 | % | 31.7 | % | 36.7 | % | |||||||||||||||||||||||||
| Combined ratio | 92.8 | % | 101.9 | % | 80.5 | % | 97.7 | % | 92.9 | % | |||||||||||||||||||||||||
Quarter Ended December 31, 2024 | |||||||||||||||||||||||||||||||||||
| (dollars in thousands) | U.S. Wholesale and Specialty | Programs and Solutions | International | Global Reinsurance | Other | Markel Insurance | |||||||||||||||||||||||||||||
| Gross premium volume - underwriting | $ | 770,534 | $ | 861,014 | $ | 590,765 | $ | 32,524 | $ | (1,799) | $ | 2,253,038 | |||||||||||||||||||||||
| Gross premium volume - fronting | — | 89,612 | — | — | — | 89,612 | |||||||||||||||||||||||||||||
| Gross premium volume | $ | 770,534 | $ | 950,626 | $ | 590,765 | $ | 32,524 | $ | (1,799) | $ | 2,342,650 | |||||||||||||||||||||||
| Net written premiums | $ | 621,357 | $ | 590,130 | $ | 497,151 | $ | 28,801 | $ | (3,791) | $ | 1,733,648 | |||||||||||||||||||||||
| Earned premiums | $ | 667,722 | $ | 561,565 | $ | 551,942 | $ | 262,055 | $ | 1,010 | $ | 2,044,294 | |||||||||||||||||||||||
| Losses and loss adjustment expenses: | |||||||||||||||||||||||||||||||||||
| Current accident year - attritional | (445,629) | (360,254) | (266,533) | (201,250) | (28,644) | (1,302,310) | |||||||||||||||||||||||||||||
| Current accident year - catastrophe | (10,409) | 430 | 3,810 | (2,480) | — | (8,649) | |||||||||||||||||||||||||||||
| Prior accident years | (87,647) | 80,649 | 102,531 | 14,580 | 1,309 | 111,422 | |||||||||||||||||||||||||||||
| Underwriting, acquisition, and insurance expenses | (226,541) | (203,940) | (251,529) | (79,371) | 350 | (761,031) | |||||||||||||||||||||||||||||
| Underwriting profit (loss) | $ | (102,504) | $ | 78,450 | $ | 140,221 | $ | (6,466) | $ | (25,975) | $ | 83,726 | |||||||||||||||||||||||
| Services and other revenues | $ | — | $ | 13,606 | $ | 4,243 | $ | — | $ | (122) | $ | 17,727 | |||||||||||||||||||||||
| Services and other expenses | — | (1,333) | (3,063) | — | (9,256) | (13,652) | |||||||||||||||||||||||||||||
| Services and other income (loss) | $ | — | $ | 12,273 | $ | 1,180 | $ | — | $ | (9,378) | $ | 4,075 | |||||||||||||||||||||||
| Current accident year loss ratio | 68.3 | % | 64.1 | % | 47.6 | % | 77.7 | % | 64.1 | % | |||||||||||||||||||||||||
| Prior accident years loss ratio | 13.1 | % | (14.4) | % | (18.6) | % | (5.6) | % | (5.5) | % | |||||||||||||||||||||||||
| Loss ratio | 81.4 | % | 49.7 | % | 29.0 | % | 72.2 | % | 58.7 | % | |||||||||||||||||||||||||
| Expense ratio | 33.9 | % | 36.3 | % | 45.6 | % | 30.3 | % | 37.2 | % | |||||||||||||||||||||||||
| Combined ratio | 115.4 | % | 86.0 | % | 74.6 | % | 102.5 | % | 95.9 | % | |||||||||||||||||||||||||
Year Ended December 31, 2025 | |||||||||||||||||||||||||||||||||||
| (dollars in thousands) | U.S. Wholesale and Specialty | Programs and Solutions | International | Global Reinsurance | Other | Markel Insurance | |||||||||||||||||||||||||||||
| Gross premium volume - underwriting | $ | 3,060,929 | $ | 3,708,179 | $ | 2,834,504 | $ | 1,046,111 | $ | (6,020) | $ | 10,643,703 | |||||||||||||||||||||||
| Gross premium volume - fronting | — | 1,854,944 | — | — | — | 1,854,944 | |||||||||||||||||||||||||||||
| Gross premium volume | $ | 3,060,929 | $ | 5,563,123 | $ | 2,834,504 | $ | 1,046,111 | $ | (6,020) | $ | 12,498,647 | |||||||||||||||||||||||
| Net written premiums | $ | 2,523,178 | $ | 2,475,396 | $ | 2,459,485 | $ | 943,686 | $ | (2,010) | $ | 8,399,735 | |||||||||||||||||||||||
| Earned premiums | $ | 2,623,318 | $ | 2,378,265 | $ | 2,317,475 | $ | 1,070,031 | $ | 12,234 | $ | 8,401,323 | |||||||||||||||||||||||
| Losses and loss adjustment expenses: | |||||||||||||||||||||||||||||||||||
| Current accident year - attritional | (1,742,412) | (1,557,973) | (1,165,087) | (798,556) | (67,155) | (5,331,183) | |||||||||||||||||||||||||||||
| Current accident year - catastrophe | (19,036) | (11,781) | (29,630) | (1,449) | — | (61,896) | |||||||||||||||||||||||||||||
| Prior accident years | 130,081 | 155,904 | 229,012 | (18,635) | (12,362) | 484,000 | |||||||||||||||||||||||||||||
| Underwriting, acquisition, and insurance expenses | (882,271) | (875,021) | (957,763) | (314,511) | (7,007) | (3,036,573) | |||||||||||||||||||||||||||||
| Underwriting profit (loss) | $ | 109,680 | $ | 89,394 | $ | 394,007 | $ | (63,120) | $ | (74,290) | $ | 455,671 | |||||||||||||||||||||||
| Services and other revenues | $ | — | $ | 50,261 | $ | 17,214 | $ | 6,807 | $ | 823 | $ | 75,105 | |||||||||||||||||||||||
| Services and other expenses | — | (11,304) | (13,549) | — | (3,319) | (28,172) | |||||||||||||||||||||||||||||
| Services and other income (loss) | $ | — | $ | 38,957 | $ | 3,665 | $ | 6,807 | $ | (2,496) | $ | 46,933 | |||||||||||||||||||||||
| Current accident year loss ratio | 67.1 | % | 66.0 | % | 51.6 | % | 74.8 | % | 64.2 | % | |||||||||||||||||||||||||
| Prior accident years loss ratio | (5.0) | % | (6.6) | % | (9.9) | % | 1.7 | % | (5.8) | % | |||||||||||||||||||||||||
| Loss ratio | 62.2 | % | 59.4 | % | 41.7 | % | 76.5 | % | 58.4 | % | |||||||||||||||||||||||||
| Expense ratio | 33.6 | % | 36.8 | % | 41.3 | % | 29.4 | % | 36.1 | % | |||||||||||||||||||||||||
| Combined ratio | 95.8 | % | 96.2 | % | 83.0 | % | 105.9 | % | 94.6 | % | |||||||||||||||||||||||||
Year Ended December 31, 2024 | |||||||||||||||||||||||||||||||||||
| (dollars in thousands) | U.S. Wholesale and Specialty | Programs and Solutions | International | Global Reinsurance | Other | Markel Insurance | |||||||||||||||||||||||||||||
| Gross premium volume - underwriting | $ | 3,200,616 | $ | 3,440,216 | $ | 2,482,038 | $ | 1,166,247 | $ | (29,255) | $ | 10,259,862 | |||||||||||||||||||||||
| Gross premium volume - fronting | — | 1,306,022 | — | — | — | 1,306,022 | |||||||||||||||||||||||||||||
| Gross premium volume | $ | 3,200,616 | $ | 4,746,238 | $ | 2,482,038 | $ | 1,166,247 | $ | (29,255) | $ | 11,565,884 | |||||||||||||||||||||||
| Net written premiums | $ | 2,561,336 | $ | 2,280,620 | $ | 2,114,780 | $ | 1,055,569 | $ | (7,517) | $ | 8,004,788 | |||||||||||||||||||||||
| Earned premiums | $ | 2,783,439 | $ | 2,195,619 | $ | 2,060,926 | $ | 1,067,468 | $ | 23,260 | $ | 8,130,712 | |||||||||||||||||||||||
| Losses and loss adjustment expenses: | |||||||||||||||||||||||||||||||||||
| Current accident year - attritional | (1,887,518) | (1,371,624) | (1,088,544) | (778,503) | (135,816) | (5,262,005) | |||||||||||||||||||||||||||||
| Current accident year - catastrophe | (37,309) | (19,670) | (10,190) | (3,480) | — | (70,649) | |||||||||||||||||||||||||||||
| Prior accident years | (11,390) | 144,836 | 367,278 | (554) | (45,238) | 454,932 | |||||||||||||||||||||||||||||
| Underwriting, acquisition, and insurance expenses | (925,798) | (773,920) | (860,746) | (313,378) | (12,172) | (2,886,014) | |||||||||||||||||||||||||||||
| Underwriting profit (loss) | $ | (78,576) | $ | 175,241 | $ | 468,724 | $ | (28,447) | $ | (169,966) | $ | 366,976 | |||||||||||||||||||||||
| Services and other revenues | $ | — | $ | 33,760 | $ | 10,531 | $ | — | $ | (715) | $ | 43,576 | |||||||||||||||||||||||
| Services and other expenses | — | (6,199) | (10,581) | — | (18,439) | (35,219) | |||||||||||||||||||||||||||||
| Services and other income (loss) | $ | — | $ | 27,561 | $ | (50) | $ | — | $ | (19,154) | $ | 8,357 | |||||||||||||||||||||||
| Current accident year loss ratio | 69.2 | % | 63.4 | % | 53.3 | % | 73.3 | % | 65.6 | % | |||||||||||||||||||||||||
| Prior accident years loss ratio | 0.4 | % | (6.6) | % | (17.8) | % | 0.1 | % | (5.6) | % | |||||||||||||||||||||||||
| Loss ratio | 69.6 | % | 56.8 | % | 35.5 | % | 73.3 | % | 60.0 | % | |||||||||||||||||||||||||
| Expense ratio | 33.3 | % | 35.2 | % | 41.8 | % | 29.4 | % | 35.5 | % | |||||||||||||||||||||||||
| Combined ratio | 102.8 | % | 92.0 | % | 77.3 | % | 102.7 | % | 95.5 | % | |||||||||||||||||||||||||
Quarter Ended December 31, 2025 | |||||||||||||||||||||||||||||
| (dollars in thousands) | Markel Insurance | Other Reportable Segments | Corporate | Eliminations | Total | ||||||||||||||||||||||||
| Interest: | |||||||||||||||||||||||||||||
| Fixed maturity securities | $ | 154,681 | $ | 3,102 | $ | 1,917 | $ | — | $ | 159,700 | |||||||||||||||||||
| Short-term investments | 7,448 | 2,461 | 9,298 | — | 19,207 | ||||||||||||||||||||||||
| Cash and cash equivalents, including restricted | 26,470 | 4,751 | 6,053 | — | 37,274 | ||||||||||||||||||||||||
| Intercompany loans receivable | 7,076 | — | 4,862 | (11,938) | — | ||||||||||||||||||||||||
| Dividends on equity securities | 40,313 | — | 5,087 | — | 45,400 | ||||||||||||||||||||||||
| Investment expenses | (3,111) | (193) | (629) | — | (3,933) | ||||||||||||||||||||||||
| Net investment income | $ | 232,877 | $ | 10,121 | $ | 26,588 | $ | (11,938) | $ | 257,648 | |||||||||||||||||||
Net investment gains (losses) | $ | 230,924 | $ | — | $ | (18,881) | $ | — | $ | 212,043 | |||||||||||||||||||
Quarter Ended December 31, 2024 | |||||||||||||||||||||||||||||
| (dollars in thousands) | Markel Insurance | Other Reportable Segments | Corporate | Eliminations | Total | ||||||||||||||||||||||||
| Interest: | |||||||||||||||||||||||||||||
| Fixed maturity securities | $ | 134,892 | $ | 1,819 | $ | 1,244 | $ | — | $ | 137,955 | |||||||||||||||||||
| Short-term investments | 10,452 | 3,134 | 16,180 | — | 29,766 | ||||||||||||||||||||||||
| Cash and cash equivalents, including restricted | 27,397 | 4,628 | 6,623 | — | 38,648 | ||||||||||||||||||||||||
| Intercompany loans receivable | 7,508 | — | 4,916 | (12,424) | — | ||||||||||||||||||||||||
| Dividends on equity securities | 37,450 | — | 3,654 | — | 41,104 | ||||||||||||||||||||||||
| Investment expenses | (3,141) | (37) | (606) | — | (3,784) | ||||||||||||||||||||||||
| Net investment income | $ | 214,558 | $ | 9,544 | $ | 32,011 | $ | (12,424) | $ | 243,689 | |||||||||||||||||||
Net investment gains (losses) | $ | 147,253 | $ | 8 | $ | (29,836) | $ | — | $ | 117,425 | |||||||||||||||||||
Year Ended December 31, 2025 | |||||||||||||||||||||||||||||
| (dollars in thousands) | Markel Insurance | Other Reportable Segments | Corporate | Eliminations | Total | ||||||||||||||||||||||||
| Interest: | |||||||||||||||||||||||||||||
| Fixed maturity securities | $ | 590,307 | $ | 8,369 | $ | 5,843 | $ | — | $ | 604,519 | |||||||||||||||||||
| Short-term investments | 29,123 | 10,486 | 38,257 | — | 77,866 | ||||||||||||||||||||||||
| Cash and cash equivalents, including restricted | 100,250 | 20,207 | 29,797 | — | 150,254 | ||||||||||||||||||||||||
| Intercompany loans receivable | 28,895 | — | 19,580 | (48,475) | — | ||||||||||||||||||||||||
| Dividends on equity securities | 138,773 | — | 17,396 | — | 156,169 | ||||||||||||||||||||||||
| Investment expenses | (15,817) | (363) | (2,201) | — | (18,381) | ||||||||||||||||||||||||
| Net investment income | $ | 871,531 | $ | 38,699 | $ | 108,672 | $ | (48,475) | $ | 970,427 | |||||||||||||||||||
| Net investment gains | $ | 976,740 | $ | — | $ | 99,341 | $ | — | $ | 1,076,081 | |||||||||||||||||||
Year Ended December 31, 2024 | |||||||||||||||||||||||||||||
| (dollars in thousands) | Markel Insurance | Other Reportable Segments | Corporate | Eliminations | Total | ||||||||||||||||||||||||
| Interest: | |||||||||||||||||||||||||||||
| Fixed maturity securities | $ | 498,196 | $ | 7,192 | $ | 4,656 | $ | — | $ | 510,044 | |||||||||||||||||||
| Short-term investments | 47,331 | 14,334 | 62,910 | — | 124,575 | ||||||||||||||||||||||||
| Cash and cash equivalents, including restricted | 114,268 | 17,995 | 29,225 | — | 161,488 | ||||||||||||||||||||||||
| Intercompany loans receivable | 27,711 | — | 19,972 | (47,683) | — | ||||||||||||||||||||||||
| Dividends on equity securities | 125,322 | — | 17,045 | — | 142,367 | ||||||||||||||||||||||||
| Investment expenses | (14,921) | (180) | (2,877) | — | (17,978) | ||||||||||||||||||||||||
| Net investment income | $ | 797,907 | $ | 39,341 | $ | 130,931 | $ | (47,683) | $ | 920,496 | |||||||||||||||||||
Net investment gains (losses) | $ | 1,447,686 | $ | (150) | $ | 359,683 | $ | — | $ | 1,807,219 | |||||||||||||||||||
Quarter Ended December 31, 2025 | |||||||||||||||||||||||
| (dollars in thousands) | Markel Insurance | State National | Eliminations | Consolidated | |||||||||||||||||||
| Gross premium volume - underwriting | $ | 2,321,068 | $ | 86,282 | $ | — | $ | 2,407,350 | |||||||||||||||
| Gross premium volume - fronting | 16,445 | 931,613 | (53,585) | 894,473 | |||||||||||||||||||
| Gross premium volume | $ | 2,337,513 | $ | 1,017,895 | $ | (53,585) | $ | 3,301,823 | |||||||||||||||
| Earned premiums | $ | 2,193,514 | $ | 85,315 | $ | — | $ | 2,278,829 | |||||||||||||||
| Losses and loss adjustment expenses | (1,231,653) | (51,667) | — | (1,283,320) | |||||||||||||||||||
| Underwriting, acquisition, and insurance expenses | (805,031) | (23,982) | — | (829,013) | |||||||||||||||||||
| Underwriting profit | $ | 156,830 | $ | 9,666 | $ | — | $ | 166,496 | |||||||||||||||
| Combined Ratio | 92.9 | % | 88.7 | % | 92.7 | % | |||||||||||||||||
Quarter Ended December 31, 2024 | |||||||||||||||||||||||
| (dollars in thousands) | Markel Insurance | State National | Eliminations | Consolidated | |||||||||||||||||||
| Gross premium volume - underwriting | $ | 2,253,038 | $ | 69,693 | $ | — | $ | 2,322,731 | |||||||||||||||
| Gross premium volume - fronting | 89,612 | 1,017,063 | (59,013) | 1,047,662 | |||||||||||||||||||
| Gross premium volume | $ | 2,342,650 | $ | 1,086,756 | $ | (59,013) | $ | 3,370,393 | |||||||||||||||
| Earned premiums | $ | 2,044,294 | $ | 73,284 | $ | — | $ | 2,117,578 | |||||||||||||||
| Losses and loss adjustment expenses | (1,199,537) | (42,278) | — | (1,241,815) | |||||||||||||||||||
| Underwriting, acquisition, and insurance expenses | (761,031) | (23,755) | — | (784,786) | |||||||||||||||||||
| Underwriting profit | $ | 83,726 | $ | 7,251 | $ | — | $ | 90,977 | |||||||||||||||
| Combined Ratio | 95.9 | % | 90.1 | % | 95.7 | % | |||||||||||||||||
Year Ended December 31, 2025 | |||||||||||||||||||||||
| (dollars in thousands) | Markel Insurance | State National | Eliminations | Consolidated | |||||||||||||||||||
| Gross premium volume - underwriting | $ | 10,643,703 | $ | 317,751 | $ | — | $ | 10,961,454 | |||||||||||||||
| Gross premium volume - fronting | 1,854,944 | 3,928,671 | (221,632) | 5,561,983 | |||||||||||||||||||
| Gross premium volume | $ | 12,498,647 | $ | 4,246,422 | $ | (221,632) | $ | 16,523,437 | |||||||||||||||
| Earned premiums | $ | 8,401,323 | $ | 314,344 | $ | — | $ | 8,715,667 | |||||||||||||||
| Losses and loss adjustment expenses | (4,909,079) | (170,766) | — | (5,079,845) | |||||||||||||||||||
| Underwriting, acquisition, and insurance expenses | (3,036,573) | (96,590) | — | (3,133,163) | |||||||||||||||||||
| Underwriting profit | $ | 455,671 | $ | 46,988 | $ | — | $ | 502,659 | |||||||||||||||
| Combined Ratio | 94.6 | % | 85.1 | % | 94.2 | % | |||||||||||||||||
Year Ended December 31, 2024 | |||||||||||||||||||||||
| (dollars in thousands) | Markel Insurance | State National | Eliminations | Consolidated | |||||||||||||||||||
| Gross premium volume - underwriting | $ | 10,259,862 | $ | 292,011 | $ | — | $ | 10,551,873 | |||||||||||||||
| Gross premium volume - fronting | 1,306,022 | 3,781,697 | (144,961) | 4,942,758 | |||||||||||||||||||
| Gross premium volume | $ | 11,565,884 | $ | 4,073,708 | $ | (144,961) | $ | 15,494,631 | |||||||||||||||
| Earned premiums | $ | 8,130,712 | $ | 301,700 | $ | — | $ | 8,432,412 | |||||||||||||||
| Losses and loss adjustment expenses | (4,877,722) | (175,027) | — | (5,052,749) | |||||||||||||||||||
| Underwriting, acquisition, and insurance expenses | (2,886,014) | (91,375) | — | (2,977,389) | |||||||||||||||||||
| Underwriting profit | $ | 366,976 | $ | 35,298 | $ | — | $ | 402,274 | |||||||||||||||
| Combined Ratio | 95.5 | % | 88.3 | % | 95.2 | % | |||||||||||||||||
| Year Ended December 31, | |||||||||||||||||||||||||||||
(dollars in thousands, except per share data) | 2025 | 2024 | 2023 | 2022 | 2021 | ||||||||||||||||||||||||
| Operating income (loss) | $ | 3,194,852 | $ | 3,712,562 | $ | 2,928,828 | $ | (93,336) | $ | 3,241,505 | |||||||||||||||||||
Add: Amortization of acquired intangible assets | 185,007 | 181,472 | 180,614 | 178,778 | 160,539 | ||||||||||||||||||||||||
Add: Impairment of goodwill | — | — | — | 80,000 | — | ||||||||||||||||||||||||
Less: Net investment gains (losses) | 1,076,081 | 1,807,219 | 1,524,054 | (1,595,733) | 1,978,534 | ||||||||||||||||||||||||
| Adjusted operating income | $ | 2,303,778 | $ | 2,086,815 | $ | 1,585,388 | $ | 1,761,175 | $ | 1,423,510 | |||||||||||||||||||
Operating income (loss) per share | $ | 253 | $ | 290 | $ | 223 | $ | (7) | $ | 238 | |||||||||||||||||||
Add: Amortization of acquired intangible assets impact | 15 | 14 | 14 | 13 | 12 | ||||||||||||||||||||||||
Add: Impairment of goodwill impact | — | — | — | 6 | — | ||||||||||||||||||||||||
Less: Net investment gains (losses) impact | 85 | 141 | 116 | (119) | 145 | ||||||||||||||||||||||||
Adjusted operating income per share (1) | $ | 182 | $ | 163 | $ | 121 | $ | 131 | $ | 104 | |||||||||||||||||||
| Year Ended December 31, | |||||||||||||||||||||||||||||
| 2025 | 2024 | 2023 | 2022 | 2021 | |||||||||||||||||||||||||
| Industrial segment: | |||||||||||||||||||||||||||||
| Revenue growth | 3.9 | % | 1.4 | % | 9.7 | % | 42.9 | % | 51.5 | % | |||||||||||||||||||
| Impact of inorganic activity | (1.4) | % | (1.3) | % | (2.0) | % | (25.2) | % | (30.4) | % | |||||||||||||||||||
| Organic revenue growth | 2.5 | % | 0.1 | % | 7.7 | % | 17.7 | % | 21.1 | % | |||||||||||||||||||
| Financial segment: | |||||||||||||||||||||||||||||
| Revenue growth | 24.2 | % | 7.3 | % | (23.0) | % | 45.2 | % | 3.5 | % | |||||||||||||||||||
| Impact of inorganic activity | (7.0) | % | 0.5 | % | 43.6 | % | (25.8) | % | — | % | |||||||||||||||||||
| Organic revenue growth | 17.2 | % | 7.8 | % | 20.6 | % | 19.4 | % | 3.5 | % | |||||||||||||||||||
| Consumer and Other segment: | |||||||||||||||||||||||||||||
| Revenue growth | 4.2 | % | 6.4 | % | (7.5) | % | 7.9 | % | 2.6 | % | |||||||||||||||||||
| Impact of inorganic activity | (3.2) | % | (4.6) | % | — | % | 0.6 | % | 6.2 | % | |||||||||||||||||||
| Organic revenue growth | 1.0 | % | 1.8 | % | (7.5) | % | 8.5 | % | 8.8 | % | |||||||||||||||||||