WTM
WHITE MOUNTAINS INSURANCE GROUP LTDCompany Information
- Company Name
- WHITE MOUNTAINS INSURANCE GROUP LTD
- CIK
- CIK0000776867
- Category
- Large accelerated filer
- Ticker: Exchange
- WTM: NYSE
- Fiscal Year End
- December 31
- Owner Organization
- 02 Finance
- SIC
- 6331
- SIC Description
- Fire, Marine & Casualty Insurance
- Ticker
- WTM
SEC filing data through
Insider Sentiment
- Last purchase
- 2023-11-17
- Last sale
- 2025-12-19
- Shares purchased (TTM)
- 0
- Shares sold (TTM)
- 10,165
Institutional Sentiment
- As of
- 2026-06-30
- Institutional shares owned
- 2,124,449
- Shares outstanding
- 2,407,600
- Ownership
- 88.24%
Earnings Market Reaction
- Filing date
- 2026-08-06
- Price on filing date
- —
- 1-month reaction
- -0.27%
- 3-month reaction
- …
Balance Sheet
Values in millions ($)| Line item | 2026-06-30 | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 | 2025-03-31 | 2024-12-31 | 2024-09-30 | 2024-06-30 | 2024-03-31 | 2023-12-31 | 2023-09-30 | Subscriber-only column | Subscriber-only column | Subscriber-only column | Subscriber-only column | Subscriber-only column | Trend |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kudu Investment Management L L C Segment | 94 | 21 | 22 | -18 | 30 | 12 | 28 | -17 | 18 | 20 | 29 | 17 | ||||||
| Bamboo Ide8 Insurance Services L L C Segment | - | - | - | 231 | -6 | 45 | - | 6 | 9 | 25 | - | - | ||||||
| H G Global B A M Segment | - | 705 | 693 | 16 | 168 | 503 | 612 | 249 | -628 | 1,016 | 1,012 | 932 | ||||||
| H G Global Segment | 715 | - | - | - | 506 | - | - | - | - | - | - | - | ||||||
| W T M Partners L L C Segment | 1 | - | - | - | - | - | - | - | - | - | - | - | ||||||
| Corporate Non Segment | 2 | 311 | 159 | -10 | -123 | 293 | 294 | 19 | -1 | 267 | 230 | 271 | ||||||
| Bamboo Group | - | - | 0 | 662 | - | - | 586 | - | - | - | - | - | ||||||
| Other Disposal Group | 1 | 5 | 5 | 6 | - | - | 7 | - | - | - | - | - | ||||||
| Equity Securities Fv Ni Current And Noncurrent | 577 | 547 | 483 | 438 | 435 | 542 | 650 | 655 | 631 | 562 | 538 | 637 | ||||||
| Other Long Term Investments | 3,316 | 3,254 | 2,959 | 2,589 | 2,307 | 2,288 | 2,150 | 2,071 | 2,022 | 1,992 | 1,998 | 1,896 | ||||||
| Intangible Assets Net Including Goodwill | 1,184 | 1,012 | 1,020 | 1,393 | 805 | 715 | 720 | 726 | 731 | 737 | 371 | 372 | ||||||
| Assets | 13,767 | 13,169 | 12,307 | 12,346 | 11,823 | 11,005 | 9,926 | 10,338 | 10,167 | 9,590 | 8,386 | 8,143 | ||||||
Liabilities | ||||||||||||||||||
| Liabilities | 7,515 | 6,993 | 6,051 | 6,629 | 6,483 | 5,865 | 4,795 | 5,078 | 5,295 | 4,700 | 3,824 | 3,979 | ||||||
| Long Term Debt | 933 | 835 | 837 | 870 | 695 | 676 | 563 | 545 | 530 | 532 | 565 | 565 | ||||||
| Redeemable Noncontrolling Interest Equity Carrying Amount | 132 | 132 | 132 | 132 | - | - | 0 | - | - | - | - | - | ||||||
Stockholders Equity Including Portion Attributable To Noncontrolling Interest | ||||||||||||||||||
| Investments | 8,134 | 8,353 | 8,324 | 6,999 | 6,799 | 6,551 | 6,418 | - | - | - | 6,389 | - | ||||||
| Common Stock Value | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | ||||||
| Additional Paid In Capital | 564 | 579 | 577 | 582 | 574 | 565 | 564 | 561 | 559 | 552 | 549 | 545 | ||||||
| Retained Earnings Accumulated Deficit | 4,821 | 4,791 | 4,846 | 4,183 | 4,068 | 3,943 | 3,919 | 4,048 | 3,863 | 3,918 | 3,691 | 3,404 | ||||||
Stockholders Equity | ||||||||||||||||||
| Stockholders Equity | 6,121 | 5,374 | 6,124 | 4,768 | 4,645 | 4,510 | 5,131 | 4,611 | 4,423 | 4,470 | 4,562 | 4,164 | ||||||
| Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax | 1 | 1 | 1 | 0 | 0 | -1 | -2 | -1 | -2 | -2 | -2 | -3 | ||||||
| Minority Interest | 732 | 671 | 698 | 817 | 696 | 630 | 647 | 649 | 450 | 420 | 321 | 215 | ||||||
| Restricted Cash And Cash Equivalents At Carrying Value | - | - | - | - | - | - | - | - | - | - | 1 | - | ||||||
| Liabilities And Stockholders Equity | 13,767 | 13,169 | 12,307 | 12,346 | 11,823 | 11,005 | 9,926 | 10,338 | 10,167 | 9,590 | 8,386 | 8,143 | ||||||
| Ark Insurance Holdings Limited W M Outrigger Re Segment | 142 | 1,870 | 1,918 | 15 | 47 | 1,773 | 1,565 | 194 | 92 | 1,340 | 867 | 161 | ||||||
| Distinguished Partners Segment | 13 | 66 | 94 | 63 | - | - | 0 | - | - | - | - | - | ||||||
| Bamboo Insurance Services L L C Segment | - | - | - | - | - | - | 41 | - | - | - | 0 | - | ||||||
| Operating Segments | 142 | 1,870 | 1,918 | 1,324 | 8 | 503 | 1,565 | 1,074 | -560 | 947 | 867 | 932 | ||||||
| Bamboo Captive Segment | - | - | - | - | - | - | 1 | - | - | - | 0 | - | ||||||
| Bamboo C R V | - | - | - | - | - | - | 32 | - | - | - | 0 | - | ||||||
Assets | ||||||||||||||||||
| Common Stock Par Or Stated Value Per Share | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
| Common Stock Shares Authorized | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | ||||||
| Common Stock Shares Issued | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | ||||||
| Shares Outstanding | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | ||||||
Select a line item above to chart it.
Recent filings
- 10-QFiled
- 10-QFiled
- 10-KFiled
- 10-QFiled
- 10-QFiled
- 10-QFiled
- 10-KFiled
- 10-QFiled
- 10-QFiled
- 10-QFiled
- 10-KFiled
- 10-QFiled
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Start 7-day free trialWHITE MOUNTAINS INSURANCE GROUP LTD (WTM) — SEC Financial Statements & Analysis
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) is a fire, marine & casualty insurance company, incorporated in D0. WHITE MOUNTAINS INSURANCE GROUP LTD trades on NYSE as: WTM. WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-06. Based on that filing, WHITE MOUNTAINS INSURANCE GROUP LTD carries a market cap of $4.99B, a P/E ratio of 4.00x, a P/B ratio of 0.82x, a P/S ratio of 1.61x, an enterprise value of $5.80B, and an EV/EBITDA multiple of 3.91x. On profitability, it posts a gross margin of 92.74%, an operating margin of 42.36%, a net margin of 40.38%, a Return on Equity (ROE) of 21.80%, and a Return on Invested Capital (ROIC) of 20.68%. Per share, it reports EPS of $518.77, diluted EPS of $518.77, free cash flow per share of $-29.86, and a dividend per share of $1.00. Over the trailing year, it posted revenue growth of 68.92% year-over-year, net income growth of 379.83% year-over-year, and EPS growth of 406.50% year-over-year. On the balance sheet, it maintains an interest coverage ratio of 18.00x, free cash flow of $-71.90M (TTM), and net debt of $804.70M. Figures sourced from SEC EDGAR.
- Market Cap
- $4.99B
- P/E TTM
- 4.00x
- EPS TTM
- $518.77
- P/B TTM
- 0.82x
- ROE TTM
- 21.80%
- Free Cash Flow TTM
- $-71.90M
- Net Revenue TTM Growth 1Y
- 68.92%
Data as of 2026-06-30 · Source: SEC EDGAR
Frequently Asked Questions
What industry is WHITE MOUNTAINS INSURANCE GROUP LTD in?
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) operates in the Fire, Marine & Casualty Insurance industry.
What exchange does WTM trade on?
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) trades on the NYSE.
Where is WHITE MOUNTAINS INSURANCE GROUP LTD incorporated?
WHITE MOUNTAINS INSURANCE GROUP LTD is incorporated in Bermuda.
When was WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)'s most recent SEC filing?
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-06.
What is WTM's market cap?
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) has a market capitalization of $4.99B as of 2026-06-30.
What is WTM's P/E ratio?
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)'s trailing twelve month P/E ratio is 4.00x as of 2026-06-30.
What is WTM's EPS (earnings per share)?
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)'s trailing twelve month EPS is $518.77 as of 2026-06-30.
What is WTM's ROE (return on equity)?
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)'s trailing twelve month Return on Equity (ROE) is 21.80% as of 2026-06-30.
What is WTM's ROIC (return on invested capital)?
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)'s trailing twelve month Return on Invested Capital (ROIC) is 20.68% as of 2026-06-30.
What is WTM's EV/EBITDA?
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)'s trailing twelve month EV/EBITDA is 3.91x as of 2026-06-30.

