WTM
White Mountains Insurance Group LtdCompany with tickers: WTM
CIK
776867
CUSIP
G9618E107
Shares Outstanding
2,476,670
Website
https://www.whitemountains.com
13F Activity (30d)
14 filings
10 filers
Income-statement, balance-sheet and cash-flow figures extracted from the company's SEC filings — 10-K annual and 10-Q quarterly reports — and standardised for comparison across periods.
| Line Item | Value | Unit | Period End | Form | Filed |
|---|---|---|---|---|---|
| Revenue | $517,800,000 | USD | 2026-03-31 | 10-Q | 2026-05-06 |
| Revenue (ASC 606) | — | ||||
| Cost of Revenue | — | ||||
| Gross Profit | — | ||||
| Operating Expenses | — | ||||
| Research & Development | — | ||||
| Operating Income | — | ||||
| Net Income | $-27,200,000 | USD | 2026-03-31 | 10-Q | 2026-05-06 |
| EPS (Basic) | $-12.59 | USD/shares | 2026-03-31 | 10-Q | 2026-05-06 |
| EPS (Diluted) | $-12.59 | USD/shares | 2026-03-31 | 10-Q | 2026-05-06 |
Revenue Breakdown
Annual revenue as the company disaggregates it in its own XBRL filings. Years a component wasn't reported show a dash.
By Segment (USD)
| Component | 2019-12-31 | 2020-12-31 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|---|---|---|
| Ark Insurance Holdings Limited WM Outrigger Re Segment | — | — | $668,500,000 | $1,009,500,000 | $1,557,800,000 | $1,750,900,000 | $1,943,800,000 |
| Bamboo Insurance Services LLC Segment | — | — | — | $0 | $0 | $179,800,000 | $246,300,000 |
| Kudu Investment Management LLC Segment | — | — | $134,000,000 | $118,500,000 | $177,100,000 | $118,800,000 | $183,400,000 |
| HG Global BAM Segment | — | — | $23,000,000 | $-46,400,000 | $92,400,000 | $-44,600,000 | $73,600,000 |
| Distinguished Partners Segment | — | — | — | — | $0 | $0 | $57,700,000 |
| Ark Insurance Holdings Limited | $0 | $0 | $668,500,000 | $1,009,500,000 | — | — | — |
| Hg Global Bam | $66,600,000 | $68,500,000 | $23,000,000 | $-46,400,000 | — | — | — |
| Kudu Investment Management LLC | $21,200,000 | $45,700,000 | $134,000,000 | $118,500,000 | — | — | — |
| Kudu | $21,200,000 | — | $134,000,000 | — | — | — | — |
| Media Alpha | $48,800,000 | — | $0 | — | — | — | — |
| NSM Insurance Group | $233,100,000 | — | $330,400,000 | — | — | — | — |
| Other Entity | $523,700,000 | $781,400,000 | $-211,100,000 | $76,300,000 | — | — | — |
| Other Operations | $523,700,000 | — | $-211,100,000 | — | — | — | — |