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White Mountains Insurance Group

🇺🇸
WTM
BMG9618E1075

White Mountains Insurance Group is a US-based holding company focused on investing in and managing businesses within the property and casualty reinsurance sector. The company employs a long-term capital management strategy to generate sustainable shareholder value across the global insurance industry.

Next Quarterly Earnings

Monday, November 9, 2026
CW 46
Pre-Market
In 73 days

Pre-market — typically before 3:30 p.m. German time (before the US open at 9:30 a.m. New York time).

Quiet period starts on October 12, 2026

Stock Price

Frequently asked questions

When will White Mountains Insurance Group report its next quarterly earnings?

White Mountains Insurance Group is scheduled to report its next quarterly earnings on 11/09/2026. Pre-market — typically before 3:30 p.m. German time (before the US open at 9:30 a.m. New York time).

When did White Mountains Insurance Group last report quarterly earnings?

White Mountains Insurance Group last reported quarterly earnings on 8/6/2026 (Q2 2026). Earnings per share (EPS) came in at 80.58 USD.

How does White Mountains Insurance Group stock react to earnings?

Across its last 4 earnings reports, White Mountains Insurance Group stock moved by ±1.7% on average the following day. The largest reaction was -3.3% on 05/06/2026; 2 of 4 reactions were positive.

How often has White Mountains Insurance Group beaten expectations?

White Mountains Insurance Group has beaten analyst EPS estimates in 2 of its last 7 evaluated quarters (beat rate: 28.6%).

How do I add the White Mountains Insurance Group earnings dates to my calendar?

Use the 'Subscribe in calendar' button on this page to add all dates to Google Calendar, Apple Calendar or Outlook. Dates update automatically when they change.

All Dates

Q3 2026
Estimate:
Actual:
Q2 2026
Beat
Estimate:$75.00
Actual:$80.58
Difference:+$5.58
Q1 2026
Missed
Estimate:-$4.00
Actual:-$12.59
Difference:-$8.59
Price reaction (1 day):-3.3 %
Price reaction (7 days):-1.5 %
Q4 2025
Missed
Estimate:$379.45
Actual:$327.23
Difference:-$52.22
Price reaction (1 day):+2.8 %
Price reaction (7 days):+2.9 %
Q3 2025
Estimate:
Actual:
Price reaction (1 day):-0.4 %
Price reaction (7 days):-0.4 %
Q4 2024
Estimate:
Actual:
Price reaction (1 day):+0.4 %
Price reaction (7 days):-7.6 %
Q3 2018
Missed
Estimate:$1.16
Actual:-$2.99
Difference:-$4.15
Q2 2018
Missed
Estimate:$2.37
Actual:-$2.52
Difference:-$4.89
Q1 2018
Missed
Estimate:$0.13
Actual:-$2.04
Difference:-$2.17

Earnings statistics

Stock reaction to earnings

±1.7%
Avg. next-day move
-3.3%
Largest move (05/06/2026)
50%
Share of positive reactions
±3.1%
Avg. move after 7 days

Basis: price reactions to the last 4 report dates (close to close).

Estimates vs. results

2/7
Quarters above estimates
28.6%
Beat rate
-34.7%
Avg. EPS surprise

Basis: 7 quarters with an analyst estimate and reported EPS.

Past price reactions are not a reliable indicator of future performance.

Company Information

Name
White Mountains Insurance Group
Ticker Symbol
WTM
ISIN
BMG9618E1075
Country
🇺🇸
USA
Sector