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Side-by-side financial comparison of Norfolk Southern (NSC) and WHITE MOUNTAINS INSURANCE GROUP LTD (WTM). Click either name above to swap in a different company.

Norfolk Southern is the larger business by last-quarter revenue ($3.0B vs $1.6B, roughly 1.9× WHITE MOUNTAINS INSURANCE GROUP LTD). WHITE MOUNTAINS INSURANCE GROUP LTD runs the higher net margin — 52.1% vs 21.7%, a 30.5% gap on every dollar of revenue. On growth, WHITE MOUNTAINS INSURANCE GROUP LTD posted the faster year-over-year revenue change (348.0% vs -1.7%). Over the past eight quarters, WHITE MOUNTAINS INSURANCE GROUP LTD's revenue compounded faster (57.4% CAGR vs -0.5%).

The Norfolk Southern Railway is a Class I freight railroad operating in the Eastern United States. Headquartered in Atlanta, the company was formed in 1982 with the merger of the Norfolk and Western Railway and Southern Railway. The company operates 19,420 route miles (31,250 km) in 22 eastern states and the District of Columbia, and has rights in Canada over the Albany to Montreal route of the Canadian Pacific Kansas City.

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.

NSC vs WTM — Head-to-Head

Bigger by revenue
NSC
NSC
1.9× larger
NSC
$3.0B
$1.6B
WTM
Growing faster (revenue YoY)
WTM
WTM
+349.6% gap
WTM
348.0%
-1.7%
NSC
Higher net margin
WTM
WTM
30.5% more per $
WTM
52.1%
21.7%
NSC
Faster 2-yr revenue CAGR
WTM
WTM
Annualised
WTM
57.4%
-0.5%
NSC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
NSC
NSC
WTM
WTM
Revenue
$3.0B
$1.6B
Net Profit
$644.0M
$835.8M
Gross Margin
97.1%
Operating Margin
31.5%
56.2%
Net Margin
21.7%
52.1%
Revenue YoY
-1.7%
348.0%
Net Profit YoY
-12.1%
741.0%
EPS (diluted)
$2.87
$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
NSC
NSC
WTM
WTM
Q4 25
$3.0B
$1.6B
Q3 25
$3.1B
$864.2M
Q2 25
$3.1B
$689.2M
Q1 25
$3.0B
$577.8M
Q4 24
$3.0B
$358.0M
Q3 24
$3.1B
$839.1M
Q2 24
$3.0B
$395.4M
Q1 24
$3.0B
$647.3M
Net Profit
NSC
NSC
WTM
WTM
Q4 25
$644.0M
$835.8M
Q3 25
$711.0M
$113.8M
Q2 25
$768.0M
$122.9M
Q1 25
$750.0M
$33.9M
Q4 24
$733.0M
$-130.4M
Q3 24
$1.1B
$179.0M
Q2 24
$737.0M
$-54.6M
Q1 24
$53.0M
$236.4M
Gross Margin
NSC
NSC
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
NSC
NSC
WTM
WTM
Q4 25
31.5%
56.2%
Q3 25
35.4%
20.7%
Q2 25
37.8%
25.6%
Q1 25
38.3%
12.5%
Q4 24
37.4%
-33.7%
Q3 24
52.3%
28.5%
Q2 24
37.2%
-8.8%
Q1 24
7.1%
35.9%
Net Margin
NSC
NSC
WTM
WTM
Q4 25
21.7%
52.1%
Q3 25
22.9%
13.2%
Q2 25
24.7%
17.8%
Q1 25
25.1%
5.9%
Q4 24
24.2%
-36.4%
Q3 24
36.0%
21.3%
Q2 24
24.2%
-13.8%
Q1 24
1.8%
36.5%
EPS (diluted)
NSC
NSC
WTM
WTM
Q4 25
$2.87
$325.02
Q3 25
$3.16
$44.18
Q2 25
$3.41
$47.75
Q1 25
$3.31
$13.19
Q4 24
$3.24
$-50.98
Q3 24
$4.85
$69.68
Q2 24
$3.25
$-21.24
Q1 24
$0.23
$92.33

Balance Sheet & Financial Strength

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

Metric
NSC
NSC
WTM
WTM
Cash + ST InvestmentsLiquidity on hand
$1.5B
Total DebtLower is stronger
$16.5B
$837.0M
Stockholders' EquityBook value
$15.5B
$5.4B
Total Assets
$45.2B
$12.3B
Debt / EquityLower = less leverage
1.06×
0.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NSC
NSC
WTM
WTM
Q4 25
$1.5B
Q3 25
$1.4B
Q2 25
$1.3B
Q1 25
$1.0B
Q4 24
$1.6B
Q3 24
$975.0M
Q2 24
$659.0M
Q1 24
$652.0M
Total Debt
NSC
NSC
WTM
WTM
Q4 25
$16.5B
$837.0M
Q3 25
$16.5B
$870.4M
Q2 25
$16.5B
$694.6M
Q1 25
$16.7B
$676.1M
Q4 24
$16.7B
$562.5M
Q3 24
$16.6B
$544.9M
Q2 24
$16.9B
$530.2M
Q1 24
$17.2B
$532.1M
Stockholders' Equity
NSC
NSC
WTM
WTM
Q4 25
$15.5B
$5.4B
Q3 25
$15.1B
$4.8B
Q2 25
$14.8B
$4.6B
Q1 25
$14.5B
$4.5B
Q4 24
$14.3B
$4.5B
Q3 24
$13.8B
$4.6B
Q2 24
$13.0B
$4.4B
Q1 24
$12.5B
$4.5B
Total Assets
NSC
NSC
WTM
WTM
Q4 25
$45.2B
$12.3B
Q3 25
$44.6B
$12.3B
Q2 25
$44.2B
$11.8B
Q1 25
$43.8B
$11.0B
Q4 24
$43.7B
$9.9B
Q3 24
$43.3B
$10.3B
Q2 24
$42.6B
$10.2B
Q1 24
$42.1B
$9.6B
Debt / Equity
NSC
NSC
WTM
WTM
Q4 25
1.06×
0.15×
Q3 25
1.09×
0.18×
Q2 25
1.11×
0.15×
Q1 25
1.15×
0.15×
Q4 24
1.16×
0.13×
Q3 24
1.21×
0.12×
Q2 24
1.30×
0.12×
Q1 24
1.37×
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
NSC
NSC
WTM
WTM
Operating Cash FlowLast quarter
$1.1B
$53.9M
Free Cash FlowOCF − Capex
$334.0M
FCF MarginFCF / Revenue
11.2%
Capex IntensityCapex / Revenue
24.5%
Cash ConversionOCF / Net Profit
1.65×
0.06×
TTM Free Cash FlowTrailing 4 quarters
$2.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NSC
NSC
WTM
WTM
Q4 25
$1.1B
$53.9M
Q3 25
$1.3B
$359.3M
Q2 25
$1.1B
$177.5M
Q1 25
$950.0M
$-40.2M
Q4 24
$951.0M
$64.1M
Q3 24
$1.2B
$269.4M
Q2 24
$1.0B
$216.8M
Q1 24
$839.0M
$36.5M
Free Cash Flow
NSC
NSC
WTM
WTM
Q4 25
$334.0M
Q3 25
$720.0M
Q2 25
$602.0M
Q1 25
$501.0M
Q4 24
$276.0M
Q3 24
$645.0M
Q2 24
$468.0M
Q1 24
$282.0M
FCF Margin
NSC
NSC
WTM
WTM
Q4 25
11.2%
Q3 25
23.2%
Q2 25
19.4%
Q1 25
16.7%
Q4 24
9.1%
Q3 24
21.1%
Q2 24
15.4%
Q1 24
9.4%
Capex Intensity
NSC
NSC
WTM
WTM
Q4 25
24.5%
Q3 25
17.8%
Q2 25
15.3%
Q1 25
15.0%
Q4 24
22.3%
Q3 24
19.0%
Q2 24
18.7%
Q1 24
18.5%
Cash Conversion
NSC
NSC
WTM
WTM
Q4 25
1.65×
0.06×
Q3 25
1.79×
3.16×
Q2 25
1.40×
1.44×
Q1 25
1.27×
-1.19×
Q4 24
1.30×
Q3 24
1.12×
1.51×
Q2 24
1.41×
Q1 24
15.83×
0.15×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NSC
NSC

Railway Operating Revenues Market Group Merchandise$1.9B63%
Metals And Construction$404.0M14%
Railway Operating Revenues Market Group Coal$347.0M12%
Automotive$293.0M10%

WTM
WTM

Segment breakdown not available.

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