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Side-by-side financial comparison of Core Natural Resources, Inc. (CNR) and WHITE MOUNTAINS INSURANCE GROUP LTD (WTM). Click either name above to swap in a different company.

WHITE MOUNTAINS INSURANCE GROUP LTD is the larger business by last-quarter revenue ($1.6B vs $1.0B, roughly 1.5× Core Natural Resources, Inc.). WHITE MOUNTAINS INSURANCE GROUP LTD runs the higher net margin — 52.1% vs -7.6%, a 59.7% gap on every dollar of revenue. On growth, WHITE MOUNTAINS INSURANCE GROUP LTD posted the faster year-over-year revenue change (348.0% vs 81.8%). Over the past eight quarters, WHITE MOUNTAINS INSURANCE GROUP LTD's revenue compounded faster (57.4% CAGR vs 38.1%).

Arch Resources, previously known as Arch Coal, was an American coal mining and processing company. The company mined, processed, and marketed bituminous and sub-bituminous coal with low sulfur content in the United States. Arch Resources was the second-largest supplier of coal in the United States, behind Peabody Energy. As of 2011 the company supplied 15% of the domestic market. Demand came mainly from generators of electricity.

White Mountains Insurance Group is a diversified insurance and related financial services holding company based in Hamilton, Bermuda. Redomiciled from Delaware, United States, on October 25, 1999, the company conducts most of its business through its insurance subsidiaries and other affiliates.

CNR vs WTM — Head-to-Head

Bigger by revenue
WTM
WTM
1.5× larger
WTM
$1.6B
$1.0B
CNR
Growing faster (revenue YoY)
WTM
WTM
+266.2% gap
WTM
348.0%
81.8%
CNR
Higher net margin
WTM
WTM
59.7% more per $
WTM
52.1%
-7.6%
CNR
Faster 2-yr revenue CAGR
WTM
WTM
Annualised
WTM
57.4%
38.1%
CNR

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CNR
CNR
WTM
WTM
Revenue
$1.0B
$1.6B
Net Profit
$-79.0M
$835.8M
Gross Margin
97.1%
Operating Margin
-9.3%
56.2%
Net Margin
-7.6%
52.1%
Revenue YoY
81.8%
348.0%
Net Profit YoY
-356.3%
741.0%
EPS (diluted)
$-1.51
$325.02

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CNR
CNR
WTM
WTM
Q4 25
$1.0B
$1.6B
Q3 25
$1.0B
$864.2M
Q2 25
$1.1B
$689.2M
Q1 25
$1.0B
$577.8M
Q4 24
$573.6M
$358.0M
Q3 24
$553.4M
$839.1M
Q2 24
$490.7M
$395.4M
Q1 24
$546.7M
$647.3M
Net Profit
CNR
CNR
WTM
WTM
Q4 25
$-79.0M
$835.8M
Q3 25
$31.6M
$113.8M
Q2 25
$-36.6M
$122.9M
Q1 25
$-69.3M
$33.9M
Q4 24
$30.8M
$-130.4M
Q3 24
$95.6M
$179.0M
Q2 24
$58.1M
$-54.6M
Q1 24
$101.9M
$236.4M
Gross Margin
CNR
CNR
WTM
WTM
Q4 25
97.1%
Q3 25
93.6%
Q2 25
93.8%
Q1 25
98.7%
Q4 24
97.9%
Q3 24
99.1%
Q2 24
98.2%
Q1 24
98.8%
Operating Margin
CNR
CNR
WTM
WTM
Q4 25
-9.3%
56.2%
Q3 25
-1.2%
20.7%
Q2 25
-1.7%
25.6%
Q1 25
-5.3%
12.5%
Q4 24
6.6%
-33.7%
Q3 24
21.2%
28.5%
Q2 24
14.6%
-8.8%
Q1 24
22.7%
35.9%
Net Margin
CNR
CNR
WTM
WTM
Q4 25
-7.6%
52.1%
Q3 25
3.2%
13.2%
Q2 25
-3.3%
17.8%
Q1 25
-6.8%
5.9%
Q4 24
5.4%
-36.4%
Q3 24
17.3%
21.3%
Q2 24
11.8%
-13.8%
Q1 24
18.6%
36.5%
EPS (diluted)
CNR
CNR
WTM
WTM
Q4 25
$-1.51
$325.02
Q3 25
$0.61
$44.18
Q2 25
$-0.70
$47.75
Q1 25
$-1.38
$13.19
Q4 24
$1.04
$-50.98
Q3 24
$3.22
$69.68
Q2 24
$1.96
$-21.24
Q1 24
$3.39
$92.33

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CNR
CNR
WTM
WTM
Cash + ST InvestmentsLiquidity on hand
$432.2M
Total DebtLower is stronger
$354.2M
$837.0M
Stockholders' EquityBook value
$3.7B
$5.4B
Total Assets
$6.1B
$12.3B
Debt / EquityLower = less leverage
0.10×
0.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CNR
CNR
WTM
WTM
Q4 25
$432.2M
Q3 25
$444.7M
Q2 25
$413.2M
Q1 25
$388.5M
Q4 24
$460.2M
Q3 24
$331.7M
Q2 24
$216.1M
Q1 24
$172.6M
Total Debt
CNR
CNR
WTM
WTM
Q4 25
$354.2M
$837.0M
Q3 25
$334.5M
$870.4M
Q2 25
$334.0M
$694.6M
Q1 25
$329.8M
$676.1M
Q4 24
$94.8M
$562.5M
Q3 24
$83.7M
$544.9M
Q2 24
$184.9M
$530.2M
Q1 24
$185.5M
$532.1M
Stockholders' Equity
CNR
CNR
WTM
WTM
Q4 25
$3.7B
$5.4B
Q3 25
$3.8B
$4.8B
Q2 25
$3.8B
$4.6B
Q1 25
$3.9B
$4.5B
Q4 24
$1.6B
$4.5B
Q3 24
$1.5B
$4.6B
Q2 24
$1.4B
$4.4B
Q1 24
$1.4B
$4.5B
Total Assets
CNR
CNR
WTM
WTM
Q4 25
$6.1B
$12.3B
Q3 25
$6.2B
$12.3B
Q2 25
$6.2B
$11.8B
Q1 25
$6.3B
$11.0B
Q4 24
$2.9B
$9.9B
Q3 24
$2.8B
$10.3B
Q2 24
$2.7B
$10.2B
Q1 24
$2.7B
$9.6B
Debt / Equity
CNR
CNR
WTM
WTM
Q4 25
0.10×
0.15×
Q3 25
0.09×
0.18×
Q2 25
0.09×
0.15×
Q1 25
0.08×
0.15×
Q4 24
0.06×
0.13×
Q3 24
0.05×
0.12×
Q2 24
0.13×
0.12×
Q1 24
0.13×
0.12×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CNR
CNR
WTM
WTM
Operating Cash FlowLast quarter
$107.3M
$53.9M
Free Cash FlowOCF − Capex
$26.0M
FCF MarginFCF / Revenue
2.5%
Capex IntensityCapex / Revenue
7.8%
Cash ConversionOCF / Net Profit
0.06×
TTM Free Cash FlowTrailing 4 quarters
$21.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CNR
CNR
WTM
WTM
Q4 25
$107.3M
$53.9M
Q3 25
$87.9M
$359.3M
Q2 25
$220.2M
$177.5M
Q1 25
$-109.6M
$-40.2M
Q4 24
$121.3M
$64.1M
Q3 24
$161.3M
$269.4M
Q2 24
$116.3M
$216.8M
Q1 24
$77.5M
$36.5M
Free Cash Flow
CNR
CNR
WTM
WTM
Q4 25
$26.0M
Q3 25
$38.6M
Q2 25
$131.0M
Q1 25
$-174.5M
Q4 24
$80.5M
Q3 24
$121.9M
Q2 24
$60.9M
Q1 24
$35.1M
FCF Margin
CNR
CNR
WTM
WTM
Q4 25
2.5%
Q3 25
3.9%
Q2 25
11.9%
Q1 25
-17.1%
Q4 24
14.0%
Q3 24
22.0%
Q2 24
12.4%
Q1 24
6.4%
Capex Intensity
CNR
CNR
WTM
WTM
Q4 25
7.8%
Q3 25
4.9%
Q2 25
8.1%
Q1 25
6.4%
Q4 24
7.1%
Q3 24
7.1%
Q2 24
11.3%
Q1 24
7.7%
Cash Conversion
CNR
CNR
WTM
WTM
Q4 25
0.06×
Q3 25
2.78×
3.16×
Q2 25
1.44×
Q1 25
-1.19×
Q4 24
3.94×
Q3 24
1.69×
1.51×
Q2 24
2.00×
Q1 24
0.76×
0.15×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CNR
CNR

Other$397.4M38%
Power Generation$376.5M36%
PRB$183.0M18%
Metallurgical$42.0M4%
Industrial$34.1M3%
Terminal Revenue$6.4M1%
Other Revenue$3.0M0%

WTM
WTM

Segment breakdown not available.

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