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Side-by-side financial comparison of Norfolk Southern (NSC) and Realty Income (O). Click either name above to swap in a different company.

Norfolk Southern is the larger business by last-quarter revenue ($3.0B vs $1.5B, roughly 2.0× Realty Income). Norfolk Southern runs the higher net margin — 21.7% vs 19.9%, a 1.8% gap on every dollar of revenue. On growth, Realty Income posted the faster year-over-year revenue change (11.0% vs -1.7%). Realty Income produced more free cash flow last quarter ($1.2B vs $334.0M). Over the past eight quarters, Realty Income's revenue compounded faster (8.6% 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.

Realty Income Corporation is a real estate investment trust that invests in free-standing, single-tenant commercial properties in the United States, the United Kingdom, and six other countries in Europe. These properties are subject to NNN Leases. The company is organized in Maryland with its headquarters in San Diego, California.

NSC vs O — Head-to-Head

Bigger by revenue
NSC
NSC
2.0× larger
NSC
$3.0B
$1.5B
O
Growing faster (revenue YoY)
O
O
+12.7% gap
O
11.0%
-1.7%
NSC
Higher net margin
NSC
NSC
1.8% more per $
NSC
21.7%
19.9%
O
More free cash flow
O
O
$820.0M more FCF
O
$1.2B
$334.0M
NSC
Faster 2-yr revenue CAGR
O
O
Annualised
O
8.6%
-0.5%
NSC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
NSC
NSC
O
O
Revenue
$3.0B
$1.5B
Net Profit
$644.0M
$296.1M
Gross Margin
Operating Margin
31.5%
21.7%
Net Margin
21.7%
19.9%
Revenue YoY
-1.7%
11.0%
Net Profit YoY
-12.1%
48.3%
EPS (diluted)
$2.87
$0.32

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
O
O
Q4 25
$3.0B
$1.5B
Q3 25
$3.1B
$1.5B
Q2 25
$3.1B
$1.4B
Q1 25
$3.0B
$1.4B
Q4 24
$3.0B
$1.3B
Q3 24
$3.1B
$1.3B
Q2 24
$3.0B
$1.3B
Q1 24
$3.0B
$1.3B
Net Profit
NSC
NSC
O
O
Q4 25
$644.0M
$296.1M
Q3 25
$711.0M
$315.8M
Q2 25
$768.0M
$196.9M
Q1 25
$750.0M
$249.8M
Q4 24
$733.0M
$199.6M
Q3 24
$1.1B
$269.5M
Q2 24
$737.0M
$259.4M
Q1 24
$53.0M
$132.3M
Operating Margin
NSC
NSC
O
O
Q4 25
31.5%
21.7%
Q3 25
35.4%
23.2%
Q2 25
37.8%
15.8%
Q1 25
38.3%
19.3%
Q4 24
37.4%
16.5%
Q3 24
52.3%
21.5%
Q2 24
37.2%
20.7%
Q1 24
7.1%
11.9%
Net Margin
NSC
NSC
O
O
Q4 25
21.7%
19.9%
Q3 25
22.9%
21.5%
Q2 25
24.7%
14.0%
Q1 25
25.1%
18.1%
Q4 24
24.2%
14.9%
Q3 24
36.0%
20.2%
Q2 24
24.2%
19.4%
Q1 24
1.8%
10.5%
EPS (diluted)
NSC
NSC
O
O
Q4 25
$2.87
$0.32
Q3 25
$3.16
$0.35
Q2 25
$3.41
$0.22
Q1 25
$3.31
$0.28
Q4 24
$3.24
$0.23
Q3 24
$4.85
$0.30
Q2 24
$3.25
$0.29
Q1 24
$0.23
$0.16

Balance Sheet & Financial Strength

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

Metric
NSC
NSC
O
O
Cash + ST InvestmentsLiquidity on hand
$1.5B
$434.8M
Total DebtLower is stronger
$16.5B
Stockholders' EquityBook value
$15.5B
$39.4B
Total Assets
$45.2B
$72.8B
Debt / EquityLower = less leverage
1.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NSC
NSC
O
O
Q4 25
$1.5B
$434.8M
Q3 25
$1.4B
$417.2M
Q2 25
$1.3B
$800.4M
Q1 25
$1.0B
$319.0M
Q4 24
$1.6B
$445.0M
Q3 24
$975.0M
$397.0M
Q2 24
$659.0M
$442.8M
Q1 24
$652.0M
$680.2M
Total Debt
NSC
NSC
O
O
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
Q1 24
$17.2B
Stockholders' Equity
NSC
NSC
O
O
Q4 25
$15.5B
$39.4B
Q3 25
$15.1B
$39.1B
Q2 25
$14.8B
$39.2B
Q1 25
$14.5B
$39.0B
Q4 24
$14.3B
$38.8B
Q3 24
$13.8B
$38.5B
Q2 24
$13.0B
$38.6B
Q1 24
$12.5B
$39.0B
Total Assets
NSC
NSC
O
O
Q4 25
$45.2B
$72.8B
Q3 25
$44.6B
$71.3B
Q2 25
$44.2B
$71.4B
Q1 25
$43.8B
$69.8B
Q4 24
$43.7B
$68.8B
Q3 24
$43.3B
$68.5B
Q2 24
$42.6B
$68.1B
Q1 24
$42.1B
$68.3B
Debt / Equity
NSC
NSC
O
O
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×
Q1 24
1.37×

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
O
O
Operating Cash FlowLast quarter
$1.1B
$1.2B
Free Cash FlowOCF − Capex
$334.0M
$1.2B
FCF MarginFCF / Revenue
11.2%
77.6%
Capex IntensityCapex / Revenue
24.5%
3.3%
Cash ConversionOCF / Net Profit
1.65×
4.06×
TTM Free Cash FlowTrailing 4 quarters
$2.2B
$3.9B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NSC
NSC
O
O
Q4 25
$1.1B
$1.2B
Q3 25
$1.3B
$943.1M
Q2 25
$1.1B
$1.1B
Q1 25
$950.0M
$787.5M
Q4 24
$951.0M
$972.0M
Q3 24
$1.2B
$841.5M
Q2 24
$1.0B
$981.2M
Q1 24
$839.0M
$778.7M
Free Cash Flow
NSC
NSC
O
O
Q4 25
$334.0M
$1.2B
Q3 25
$720.0M
$909.9M
Q2 25
$602.0M
$1.0B
Q1 25
$501.0M
$764.6M
Q4 24
$276.0M
$935.8M
Q3 24
$645.0M
$807.9M
Q2 24
$468.0M
$939.2M
Q1 24
$282.0M
$769.0M
FCF Margin
NSC
NSC
O
O
Q4 25
11.2%
77.6%
Q3 25
23.2%
61.9%
Q2 25
19.4%
73.3%
Q1 25
16.7%
55.4%
Q4 24
9.1%
69.8%
Q3 24
21.1%
60.7%
Q2 24
15.4%
70.1%
Q1 24
9.4%
61.0%
Capex Intensity
NSC
NSC
O
O
Q4 25
24.5%
3.3%
Q3 25
17.8%
2.3%
Q2 25
15.3%
1.9%
Q1 25
15.0%
1.7%
Q4 24
22.3%
2.7%
Q3 24
19.0%
2.5%
Q2 24
18.7%
3.1%
Q1 24
18.5%
0.8%
Cash Conversion
NSC
NSC
O
O
Q4 25
1.65×
4.06×
Q3 25
1.79×
2.99×
Q2 25
1.40×
5.39×
Q1 25
1.27×
3.15×
Q4 24
1.30×
4.87×
Q3 24
1.12×
3.12×
Q2 24
1.41×
3.78×
Q1 24
15.83×
5.89×

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%

O
O

Product And Service Retail$900.8M61%
Other$531.5M36%

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