WHITE MOUNTAINS INSURANCE GROUP LTD
WTMNYSE
$2,211.52
↑ +0.7%Jul 17 close · end-of-day
Price
1Y↑ +24.4%
End-of-day closes; the latest point is the live 15-min-delayed price · split & dividend adjusted · chart by TradingView
Key statistics
Market Cap
$5.4B
Enterprise Value
$6.2B
P/E
5.5
P/S
1.5
P/B
1.0
EV/EBITDA
—
PEG
0.3
FCF Yield
—
Dividend Yield
0.1%
Revenue (TTM)
$3.7B
Net Income (TTM)
$1.0B
Free Cash Flow (TTM)
—
Gross Margin
—
Operating Margin
—
Net Margin
28.4%
ROE
19.4%
ROIC
—
Debt / Equity
0.2
Net Cash
-$834.8M
Return 1Y
+22.1%
Company profile
White Mountains Insurance Group, Ltd. provides insurance and other financial services in the United States. The company operates through five segments: HG Global/BAM, Ark, NSM, Kudu, and Other Operations. The Ark segment writes a portfolio of reinsurance and insurance, including property, marine and energy, accident and health, casualty, and specialty products. NSM operates as a managing general agent and program administrator for specialty property and casualty insurance.
- CEO
- George M. Rountree
- Sector
- Finance, Insurance, And Real Estate
- Industry
- Insurance
- Employees
- 1,650
- Headquarters
- New Hampshire
- Website
- whitemountains.com
Management & directors
- Seelig Robert LawrenceEVP & General Counsel
- Caffrey Liam PChief Executive Officer
- Harrison Giles EPresident
- Hildreth MichaelaMD & Chief Accounting Officer
- Papamichael Michael AChief Financial Officer
- Rountree George ManningChief Executive Officer
Roles derived from SEC Form 4 filings.
Earnings
WTM Q1 2026 Earnings
Period ends 2026-03-31
MetricActualYoY
Revenue$517.8M↓ -10.4%
Diluted EPS-$12.59↓ -195.5%
Actuals from SEC filings; YoY vs the year-ago quarter. Analyst estimates & surprise require a data feed (coming soon).
Financial statements
| Line item | FY2020 | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|---|
| Revenue | $895.6M | $614.4M | $1.2B | $2.2B | $2.2B | $3.7B |
| Gross profit | — | — | — | — | — | — |
| Operating income | — | — | — | — | — | — |
| Net income | — | -$275.4M | $792.8M | $509.2M | $230.4M | $1.1B |
| Diluted EPS | $226.97 | -$89.46 | $276.96 | $198.60 | $89.79 | $430.14 |
| Operating cash flow | -$60.6M | $38.6M | $365.0M | $404.1M | $586.8M | $550.5M |
| Free cash flow | — | — | — | — | — | — |
| Gross margin | — | — | — | — | — | — |
| Operating margin | — | — | — | — | — | — |
| Net margin | — | -44.8% | 68.5% | 23.5% | 10.3% | 29.6% |
| Line item | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 |
|---|---|---|---|---|---|---|---|---|
| Revenue | $395.4M | $839.1M | $358.0M | $577.8M | $689.2M | $864.2M | $1.6B | $517.8M |
| Gross profit | — | — | — | — | — | — | — | — |
| Operating income | — | — | — | — | — | — | — | — |
| Net income | -$54.6M | $179.0M | -$130.4M | $33.9M | $122.9M | $113.8M | $835.8M | -$27.2M |
| Diluted EPS | -$21.24 | $69.68 | -$50.98 | $13.19 | $47.75 | $44.18 | $325.02 | -$12.59 |
| Operating cash flow | $216.8M | $269.4M | $64.1M | -$40.2M | $177.5M | $359.3M | $53.9M | $30.5M |
| Free cash flow | — | — | — | — | — | — | — | — |
| Gross margin | — | — | — | — | — | — | — | — |
| Operating margin | — | — | — | — | — | — | — | — |
| Net margin | -13.8% | 21.3% | -36.4% | 5.9% | 17.8% | 13.2% | 52.1% | -5.3% |
Company news
May 18, 2026
Analyst estimates
Coming soonConsensus revenue & EPS estimates and price targets will appear here once a forward-estimates data feed is connected.
Insider transactions
BoughtSoldMonthly insider $ volume · trailing 12 months
| Date | Insider | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| 2026-05-21 | SHANK SUZANNE F. | Award | 135 | $0.00 | $0.00 | filing |
| 2026-05-21 | HICKS WESTON M | Award | 190 | $0.00 | $0.00 | filing |
| 2026-05-21 | Tanner David Allen | Award | 135 | $0.00 | $0.00 | filing |
| 2026-05-21 | Gelston Philip A | Award | 135 | $0.00 | $0.00 | filing |
| 2026-05-21 | Dillon Margaret | Award | 135 | $0.00 | $0.00 | filing |
| 2026-05-21 | Chu John | Award | 135 | $0.00 | $0.00 | filing |
| 2026-05-21 | CHOKSI MARY C | Award | 135 | $0.00 | $0.00 | filing |
| 2026-05-21 | Carlson Peter M | Award | 135 | $0.00 | $0.00 | filing |
| 2026-05-21 | CAMPBELL REID TARLTON | Award | 135 | $0.00 | $0.00 | filing |
| 2026-03-19 | SEELIG ROBERT LAWRENCE· EVP & General Counsel | Gift | 50 | $0.00 | $0.00 | filing |
| 2026-03-04 | Tanner David Allen | Gift | 225 | $0.00 | $0.00 | filing |
| 2026-02-25 | Hildreth Michaela· MD & Chief Accounting Officer | Award | 600 | $0.00 | $0.00 | filing |
| 2026-02-25 | Caffrey Liam P· Chief Executive Officer | Award | 1,500 | $0.00 | $0.00 | filing |
| 2026-02-25 | Harrison Giles E· President | Award | 775 | $0.00 | $0.00 | filing |
| 2026-02-25 | Papamichael Michael A· Chief Financial Officer | Award | 500 | $0.00 | $0.00 | filing |
| 2026-02-25 | SEELIG ROBERT LAWRENCE· EVP & General Counsel | Award | 775 | $0.00 | $0.00 | filing |
| 2026-01-01 | Caffrey Liam P· Chief Executive Officer | Tax withholding | 425 | $2,078.03 | $883,162.75 | filing |
| 2026-01-01 | SEELIG ROBERT LAWRENCE· EVP & General Counsel | Tax withholding | 398 | $2,078.03 | $827,055.94 | filing |
| 2026-01-01 | Hildreth Michaela· MD & Chief Accounting Officer | Tax withholding | 274 | $2,078.03 | $569,380.22 | filing |
| 2026-01-01 | Papamichael Michael A· Chief Financial Officer | Tax withholding | 131 | $2,078.03 | $272,221.93 | filing |
| 2025-12-23 | Hildreth Michaela· MD & Chief Accounting Officer | Gift | 60 | $0.00 | $0.00 | filing |
| 2025-12-19 | CAMPBELL REID TARLTON | Sale | 5,000 | $2,050.00 | $10.3M | filing |
| 2025-12-19 | Rountree George Manning· Chief Executive Officer | Sale | 5,000 | $2,050.00 | $10.3M | filing |
| 2025-12-19 | CAMPBELL REID TARLTON | Sale | 5,000 | $0.00 | $0.00 | filing |
| 2025-12-16 | Gelston Philip A | Sale | 165 | $2,048.51 | $338,004.15 | filing |
Showing the latest 25 transactions — full history in the linked SEC filings.
Fundamentals & filings from SEC EDGAR. Prices adjusted for splits & dividends. Not investment advice.