| Balance Sheets | 2025-09-30 | 2025-06-30 | ||
|---|---|---|---|---|
| Fixed maturity investments, at fair value | 1,834,600 | - | ||
| Common equity securities, at fair value | 437,600 | - | ||
| Short-term investments, at fair value | 745,400 | - | ||
| Other long-term investments | 676,500 | - | ||
| Total investments-Ark Insurance Holdings Limited WMOutrigger Re Segment-Operating Segments | 3,694,100 | - | ||
| Cash-Ark Insurance Holdings Limited WMOutrigger Re Segment-Operating Segments | 289,900 | - | ||
| Reinsurance recoverables-Ark Insurance Holdings Limited WMOutrigger Re Segment-Operating Segments | 924,800 | - | ||
| Insurance premiums receivable-Ark Insurance Holdings Limited WMOutrigger Re Segment-Operating Segments | 1,149,700 | - | ||
| Deferred acquisition costs-Ark Insurance Holdings Limited WMOutrigger Re Segment-Operating Segments | 281,200 | - | ||
| Goodwill and other intangible assets-Ark Insurance Holdings Limited WMOutrigger Re Segment-Operating Segments | 292,500 | - | ||
| Other assets-Ark Insurance Holdings Limited WMOutrigger Re Segment-Operating Segments | 164,600 | - | ||
| Fixed maturity investments, at fair value | 686,500 | - | ||
| Short-term investments, at fair value | 56,200 | - | ||
| Total investments-HGGlobal BAMSegment-Operating Segments | 742,700 | - | ||
| Cash-HGGlobal BAMSegment-Operating Segments | 200 | - | ||
| Bam surplus notes, at fair value-HGGlobal BAMSegment-Operating Segments | 396,200 | - | ||
| Insurance premiums receivable-HGGlobal BAMSegment-Operating Segments | 7,700 | - | ||
| Deferred acquisition costs-HGGlobal BAMSegment-Operating Segments | 93,200 | - | ||
| Other assets-HGGlobal BAMSegment-Operating Segments | 26,100 | - | ||
| Short-term investments, at fair value | 24,600 | - | ||
| Other long-term investments | 1,214,400 | - | ||
| Total investments-Kudu Investment Management LLCSegment-Operating Segments | 1,239,000 | - | ||
| Cash-Kudu Investment Management LLCSegment-Operating Segments | 4,800 | - | ||
| Accrued investment income-Kudu Investment Management LLCSegment-Operating Segments | 24,200 | - | ||
| Goodwill and other intangible assets-Kudu Investment Management LLCSegment-Operating Segments | 7,700 | - | ||
| Other assets-Kudu Investment Management LLCSegment-Operating Segments | 23,100 | - | ||
| Short-term investments, at fair value | 62,600 | - | ||
| Total investments-Distinguished Partners Segment-Operating Segments | 62,600 | - | ||
| Cash-Distinguished Partners Segment-Operating Segments | 1,500 | - | ||
| Premiums, commissions and fees receivable-Distinguished Partners Segment-Operating Segments | 42,200 | - | ||
| Goodwill and other intangible assets-Distinguished Partners Segment-Operating Segments | 595,400 | - | ||
| Other assets-Distinguished Partners Segment-Operating Segments | 12,000 | - | ||
| Fixed maturity investments, at fair value | 159,600 | - | ||
| Common equity securities, at fair value | 0 | - | ||
| Investment in mediaalpha, at fair value | 203,200 | - | ||
| Short-term investments, at fair value | 199,100 | - | ||
| Other long-term investments | 698,300 | - | ||
| Total investments-Corporate Non Segment | 1,260,200 | - | ||
| Cash-Corporate Non Segment | 41,000 | - | ||
| Goodwill and other intangible assets-Corporate Non Segment | 154,300 | - | ||
| Other assets-Corporate Non Segment | 146,500 | - | ||
| Total assets held for sale-Bamboo Group-Corporate Non Segment | 662,000 | - | ||
| Total assets held for sale-Corporate Non Segment-Other Disposal Group | 6,200 | - | ||
| Total assets | 12,345,600 | - | ||
| Unearned insurance premiums-Operating Segments-Bamboo Ide8Insurance Services LLCSegment | - | 12,900 | ||
| Loss and loss adjustment expense reserves-Ark Insurance Holdings Limited WMOutrigger Re Segment-Operating Segments | 2,477,900 | 2,288,500 | ||
| Unearned insurance premiums-Ark Insurance Holdings Limited WMOutrigger Re Segment-Operating Segments | 1,427,600 | 1,847,300 | ||
| Debt-Operating Segments-Bamboo Ide8Insurance Services LLCSegment | - | 104,600 | ||
| Debt-Ark Insurance Holdings Limited WMOutrigger Re Segment-Operating Segments | 159,700 | 158,900 | ||
| Reinsurance payable-Ark Insurance Holdings Limited WMOutrigger Re Segment-Operating Segments | 404,700 | 463,800 | ||
| Other liabilities-Operating Segments-Bamboo Ide8Insurance Services LLCSegment | - | 41,000 | ||
| Contingent consideration-Ark Insurance Holdings Limited WMOutrigger Re Segment-Operating Segments | 229,500 | 193,400 | ||
| Premiums and commissions payable-Operating Segments-Bamboo Ide8Insurance Services LLCSegment | - | 93,900 | ||
| Other liabilities-Ark Insurance Holdings Limited WMOutrigger Re Segment-Operating Segments | 249,000 | 221,600 | ||
| Unearned insurance premiums-HGGlobal BAMSegment-Operating Segments | 316,300 | 307,900 | ||
| Debt-HGGlobal BAMSegment-Operating Segments | 147,700 | 147,600 | ||
| Other liabilities-HGGlobal BAMSegment-Operating Segments | 24,500 | 32,800 | ||
| Debt-Kudu Investment Management LLCSegment-Operating Segments | 274,300 | 246,800 | ||
| Other liabilities-Kudu Investment Management LLCSegment-Operating Segments | 85,000 | 82,400 | ||
| Debt-Distinguished Partners Segment-Operating Segments | 148,700 | - | ||
| Premiums and commissions payable-Distinguished Partners Segment-Operating Segments | 67,900 | - | ||
| Loss and loss adjustment expense reserves-Operating Segments-Bamboo Ide8Insurance Services LLCSegment | - | 28,800 | ||
| Other liabilities-Distinguished Partners Segment-Operating Segments | 59,400 | - | ||
| Loss and loss adjustment expense reserves-Corporate Non Segment | 14,700 | 14,200 | ||
| Unearned insurance premiums-Corporate Non Segment | 9,500 | 9,400 | ||
| Debt-Corporate Non Segment | 35,400 | 36,700 | ||
| Accrued incentive compensation-Corporate Non Segment | 76,000 | 41,000 | ||
| Other liabilities-Corporate Non Segment | 104,100 | 109,200 | ||
| Total liabilities held for sale-Bamboo Group-Corporate Non Segment | 312,300 | - | ||
| Total liabilities held for sale-Corporate Non Segment-Other Disposal Group | 4,300 | - | ||
| Total liabilities | 6,628,500 | 6,482,700 | ||
| Redeemable noncontrolling interests | 132,400 | - | ||
| White mountainss common shares at 1 par value per share - authorized 50,000,000 shares issued and outstanding 2,575,161 and 2,568,148 shares | 2,600 | - | ||
| Paid-in surplus | 582,000 | - | ||
| Retained earnings | 4,183,000 | - | ||
| Net unrealized gains (losses) from foreign currency translation | 0 | - | ||
| Total white mountainss common shareholders equity | 4,767,600 | - | ||
| Nonredeemable noncontrolling interests | 817,100 | - | ||
| Total equity | 5,584,700 | 5,340,200 | ||
| Total liabilities, redeemable noncontrolling interests and equity | 12,345,600 | 11,822,900 | ||
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)