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WTM vs. BRK-B
Performance
Return for Risk
Dividends
Drawdowns
Volatility
Financials

WTM vs. BRK-B

Last updated Apr 2, 2026

Compare and contrast key facts about White Mountains Insurance Group, Ltd. (WTM) and Berkshire Hathaway Inc. (BRK-B).

Performance

WTM vs. BRK-B - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in White Mountains Insurance Group, Ltd. (WTM) and Berkshire Hathaway Inc. (BRK-B). The values are adjusted to include any dividend payments, if applicable.

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WTM vs. BRK-B - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
WTM
White Mountains Insurance Group, Ltd.		4.88%6.89%29.31%6.49%39.63%1.41%-10.19%30.20%0.88%1.93%
BRK-B
Berkshire Hathaway Inc.		-4.80%10.89%27.09%15.46%3.31%28.95%2.37%10.93%3.01%21.62%

Fundamentals

Market Cap

WTM:

$5.56B

BRK-B:

$1.03T

EPS

WTM:

$434.62

BRK-B:

$31.03

PE Ratio

WTM:

5.01

BRK-B:

15.42

PEG Ratio

WTM:

0.06

BRK-B:

0.60

PS Ratio

WTM:

2.05

BRK-B:

2.78

PB Ratio

WTM:

1.03

BRK-B:

1.44

Total Revenue (TTM)

WTM:

$2.71B

BRK-B:

$371.37B

Gross Profit (TTM)

WTM:

$1.45B

BRK-B:

$116.89B

EBITDA (TTM)

WTM:

$1.41B

BRK-B:

$87.30B

Returns By Period

In the year-to-date period, WTM achieves a 4.88% return, which is significantly higher than BRK-B's -4.80% return. Over the past 10 years, WTM has underperformed BRK-B with an annualized return of 10.54%, while BRK-B has yielded a comparatively higher 12.78% annualized return.

WTM

1D
-0.84%
1M
-2.88%
YTD
4.88%
6M
32.05%
1Y
14.59%
3Y*
16.57%
5Y*
14.16%
10Y*
10.54%

BRK-B

1D
-0.15%
1M
-0.35%
YTD
-4.80%
6M
-3.95%
1Y
-10.22%
3Y*
15.72%
5Y*
13.13%
10Y*
12.78%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

White Mountains Insurance Group, Ltd.

Berkshire Hathaway Inc.

Often compared with WTM:
WTM vs. MKLWTM vs. SPYWTM vs. VOOWTM vs. SCHGWTM vs. DVYAWTM vs. HLTWTM vs. IPAC
Often compared with BRK-B:
BRK-B vs. SPYBRK-B vs. VOOBRK-B vs. BRK-ABRK-B vs. QQQBRK-B vs. ^NDXBRK-B vs. VTIBRK-B vs. VGT

Return for Risk

WTM vs. BRK-B — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
WTM
WTM Risk / Return Rank: 5959
Overall Rank
WTM Sharpe Ratio Rank: 6161
Sharpe Ratio Rank
WTM Sortino Ratio Rank: 5656
Sortino Ratio Rank
WTM Omega Ratio Rank: 5454
Omega Ratio Rank
WTM Calmar Ratio Rank: 6262
Calmar Ratio Rank
WTM Martin Ratio Rank: 6464
Martin Ratio Rank
BRK-B
BRK-B Risk / Return Rank: 1717
Overall Rank
BRK-B Sharpe Ratio Rank: 1616
Sharpe Ratio Rank
BRK-B Sortino Ratio Rank: 1616
Sortino Ratio Rank
BRK-B Omega Ratio Rank: 1616
Omega Ratio Rank
BRK-B Calmar Ratio Rank: 1717
Calmar Ratio Rank
BRK-B Martin Ratio Rank: 1919
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

WTM vs. BRK-B - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for White Mountains Insurance Group, Ltd. (WTM) and Berkshire Hathaway Inc. (BRK-B). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

WTMBRK-BDifference

Sharpe ratio

Return per unit of total volatility

0.59

-0.56

+1.15

Sortino ratio

Return per unit of downside risk

1.05

-0.65

+1.70

Omega ratio

Gain probability vs. loss probability

1.13

0.91

+0.22

Calmar ratio

Return relative to maximum drawdown

1.00

-0.68

+1.68

Martin ratio

Return relative to average drawdown

2.64

-1.16

+3.81

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WTM vs. BRK-B - Sharpe Ratio Comparison

The current WTM Sharpe Ratio is 0.59, which is higher than the BRK-B Sharpe Ratio of -0.56. The chart below compares the historical Sharpe Ratios of WTM and BRK-B, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

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Sharpe Ratios by Period

WTMBRK-BDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.59

-0.56

+1.15

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.61

0.77

-0.16

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.45

0.66

-0.20

Sharpe Ratio (All Time)

Calculated using the full available price history

0.44

0.48

-0.04

Correlation

The correlation between WTM and BRK-B is 0.28, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

WTM vs. BRK-B - Dividend Comparison

WTM's dividend yield for the trailing twelve months is around 0.05%, while BRK-B has not paid dividends to shareholders.

TTM20252024202320222021202020192018201720162015
WTM
White Mountains Insurance Group, Ltd.		0.05%0.05%0.05%0.07%0.07%0.10%0.10%0.09%0.12%0.12%0.12%0.14%
BRK-B
Berkshire Hathaway Inc.		0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%

Drawdowns

WTM vs. BRK-B - Drawdown Comparison

The maximum WTM drawdown since its inception was -77.47%, which is greater than BRK-B's maximum drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for WTM and BRK-B.

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Drawdown Indicators

WTMBRK-BDifference

Max Drawdown

Largest peak-to-trough decline

-77.47%

-53.86%

-23.61%

Max Drawdown (1Y)

Largest decline over 1 year

-11.73%

-14.95%

+3.22%

Max Drawdown (5Y)

Largest decline over 5 years

-20.23%

-26.58%

+6.35%

Max Drawdown (10Y)

Largest decline over 10 years

-40.16%

-29.57%

-10.59%

Current Drawdown

Current decline from peak

-2.88%

-11.36%

+8.48%

Average Drawdown

Average peak-to-trough decline

-14.19%

-11.07%

-3.12%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.99%

8.72%

-3.73%

Volatility

WTM vs. BRK-B - Volatility Comparison

White Mountains Insurance Group, Ltd. (WTM) has a higher volatility of 6.50% compared to Berkshire Hathaway Inc. (BRK-B) at 4.33%. This indicates that WTM's price experiences larger fluctuations and is considered to be riskier than BRK-B based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

WTMBRK-BDifference

Volatility (1M)

Calculated over the trailing 1-month period

6.50%

4.33%

+2.17%

Volatility (6M)

Calculated over the trailing 6-month period

17.63%

11.14%

+6.49%

Volatility (1Y)

Calculated over the trailing 1-year period

24.70%

18.30%

+6.40%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

23.46%

17.20%

+6.26%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

23.22%

19.45%

+3.77%

Financials

WTM vs. BRK-B - Financials Comparison

This section allows you to compare key financial metrics between White Mountains Insurance Group, Ltd. and Berkshire Hathaway Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.

Quarterly
Annual

Total Revenue: Total amount of money received from sales and other business activities

0.0050.00B100.00BAprilJulyOctober2022AprilJulyOctober2023AprilJulyOctober2024AprilJulyOctober2025AprilJulyOctober
576.10M
94.23B
(WTM) Total Revenue
(BRK-B) Total Revenue
Values in USD except per share items