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Side-by-side financial comparison of Arch Capital Group (ACGL) and Norfolk Southern (NSC). Click either name above to swap in a different company.

Arch Capital Group is the larger business by last-quarter revenue ($4.5B vs $3.0B, roughly 1.5× Norfolk Southern). Arch Capital Group runs the higher net margin — 23.2% vs 21.7%, a 1.5% gap on every dollar of revenue. On growth, Norfolk Southern posted the faster year-over-year revenue change (-1.7% vs -3.3%). Over the past eight quarters, Arch Capital Group's revenue compounded faster (3.4% CAGR vs -0.5%).

Arch Capital Group Ltd. is a Bermuda exempted public company which writes insurance, reinsurance and mortgage insurance on a worldwide basis, with a focus on specialty lines, the segment of the insurance industry where the more difficult and unusual risks are written. The company is headquartered in Bermuda and operates globally in 60 offices in North America, Europe, Asia and Australia.

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.

ACGL vs NSC — Head-to-Head

Bigger by revenue
ACGL
ACGL
1.5× larger
ACGL
$4.5B
$3.0B
NSC
Growing faster (revenue YoY)
NSC
NSC
+1.6% gap
NSC
-1.7%
-3.3%
ACGL
Higher net margin
ACGL
ACGL
1.5% more per $
ACGL
23.2%
21.7%
NSC
Faster 2-yr revenue CAGR
ACGL
ACGL
Annualised
ACGL
3.4%
-0.5%
NSC

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ACGL
ACGL
NSC
NSC
Revenue
$4.5B
$3.0B
Net Profit
$1.0B
$644.0M
Gross Margin
Operating Margin
31.5%
Net Margin
23.2%
21.7%
Revenue YoY
-3.3%
-1.7%
Net Profit YoY
82.4%
-12.1%
EPS (diluted)
$2.88
$2.87

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
ACGL
ACGL
NSC
NSC
Q1 26
$4.5B
Q4 25
$4.9B
$3.0B
Q3 25
$5.1B
$3.1B
Q2 25
$5.2B
$3.1B
Q1 25
$4.7B
$3.0B
Q4 24
$4.5B
$3.0B
Q3 24
$4.7B
$3.1B
Q2 24
$4.2B
$3.0B
Net Profit
ACGL
ACGL
NSC
NSC
Q1 26
$1.0B
Q4 25
$1.2B
$644.0M
Q3 25
$1.4B
$711.0M
Q2 25
$1.2B
$768.0M
Q1 25
$574.0M
$750.0M
Q4 24
$935.0M
$733.0M
Q3 24
$988.0M
$1.1B
Q2 24
$1.3B
$737.0M
Operating Margin
ACGL
ACGL
NSC
NSC
Q1 26
Q4 25
31.5%
Q3 25
35.4%
Q2 25
37.8%
Q1 25
38.3%
Q4 24
37.4%
Q3 24
52.3%
Q2 24
37.2%
Net Margin
ACGL
ACGL
NSC
NSC
Q1 26
23.2%
Q4 25
25.1%
21.7%
Q3 25
26.4%
22.9%
Q2 25
23.7%
24.7%
Q1 25
12.3%
25.1%
Q4 24
20.6%
24.2%
Q3 24
20.9%
36.0%
Q2 24
30.0%
24.2%
EPS (diluted)
ACGL
ACGL
NSC
NSC
Q1 26
$2.88
Q4 25
$3.33
$2.87
Q3 25
$3.56
$3.16
Q2 25
$3.23
$3.41
Q1 25
$1.48
$3.31
Q4 24
$2.41
$3.24
Q3 24
$2.56
$4.85
Q2 24
$3.30
$3.25

Balance Sheet & Financial Strength

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

Metric
ACGL
ACGL
NSC
NSC
Cash + ST InvestmentsLiquidity on hand
$24.0M
$1.5B
Total DebtLower is stronger
$16.5B
Stockholders' EquityBook value
$24.2B
$15.5B
Total Assets
$81.4B
$45.2B
Debt / EquityLower = less leverage
1.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACGL
ACGL
NSC
NSC
Q1 26
$24.0M
Q4 25
$993.0M
$1.5B
Q3 25
$1.1B
$1.4B
Q2 25
$983.0M
$1.3B
Q1 25
$1.2B
$1.0B
Q4 24
$979.0M
$1.6B
Q3 24
$1.0B
$975.0M
Q2 24
$1.0B
$659.0M
Total Debt
ACGL
ACGL
NSC
NSC
Q1 26
Q4 25
$16.5B
Q3 25
$16.5B
Q2 25
$16.5B
Q1 25
$16.7B
Q4 24
$16.7B
Q3 24
$16.6B
Q2 24
$16.9B
Stockholders' Equity
ACGL
ACGL
NSC
NSC
Q1 26
$24.2B
Q4 25
$24.2B
$15.5B
Q3 25
$23.7B
$15.1B
Q2 25
$23.0B
$14.8B
Q1 25
$21.5B
$14.5B
Q4 24
$20.8B
$14.3B
Q3 24
$22.3B
$13.8B
Q2 24
$20.7B
$13.0B
Total Assets
ACGL
ACGL
NSC
NSC
Q1 26
$81.4B
Q4 25
$79.2B
$45.2B
Q3 25
$79.2B
$44.6B
Q2 25
$78.8B
$44.2B
Q1 25
$75.2B
$43.8B
Q4 24
$70.9B
$43.7B
Q3 24
$73.7B
$43.3B
Q2 24
$65.5B
$42.6B
Debt / Equity
ACGL
ACGL
NSC
NSC
Q1 26
Q4 25
1.06×
Q3 25
1.09×
Q2 25
1.11×
Q1 25
1.15×
Q4 24
1.16×
Q3 24
1.21×
Q2 24
1.30×

Cash Flow & Capital Efficiency

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

Metric
ACGL
ACGL
NSC
NSC
Operating Cash FlowLast quarter
$1.2B
$1.1B
Free Cash FlowOCF − Capex
$334.0M
FCF MarginFCF / Revenue
11.2%
Capex IntensityCapex / Revenue
24.5%
Cash ConversionOCF / Net Profit
1.13×
1.65×
TTM Free Cash FlowTrailing 4 quarters
$2.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACGL
ACGL
NSC
NSC
Q1 26
$1.2B
Q4 25
$1.4B
$1.1B
Q3 25
$2.2B
$1.3B
Q2 25
$1.1B
$1.1B
Q1 25
$1.5B
$950.0M
Q4 24
$1.6B
$951.0M
Q3 24
$2.0B
$1.2B
Q2 24
$1.5B
$1.0B
Free Cash Flow
ACGL
ACGL
NSC
NSC
Q1 26
Q4 25
$1.4B
$334.0M
Q3 25
$2.2B
$720.0M
Q2 25
$1.1B
$602.0M
Q1 25
$1.4B
$501.0M
Q4 24
$1.6B
$276.0M
Q3 24
$2.0B
$645.0M
Q2 24
$1.5B
$468.0M
FCF Margin
ACGL
ACGL
NSC
NSC
Q1 26
Q4 25
28.2%
11.2%
Q3 25
42.6%
23.2%
Q2 25
21.3%
19.4%
Q1 25
31.0%
16.7%
Q4 24
34.3%
9.1%
Q3 24
42.5%
21.1%
Q2 24
35.6%
15.4%
Capex Intensity
ACGL
ACGL
NSC
NSC
Q1 26
Q4 25
0.2%
24.5%
Q3 25
0.2%
17.8%
Q2 25
0.2%
15.3%
Q1 25
0.2%
15.0%
Q4 24
0.3%
22.3%
Q3 24
0.3%
19.0%
Q2 24
0.3%
18.7%
Cash Conversion
ACGL
ACGL
NSC
NSC
Q1 26
1.13×
Q4 25
1.13×
1.65×
Q3 25
1.62×
1.79×
Q2 25
0.91×
1.40×
Q1 25
2.54×
1.27×
Q4 24
1.68×
1.30×
Q3 24
2.04×
1.12×
Q2 24
1.20×
1.41×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACGL
ACGL

Segment breakdown not available.

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%

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