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

CONSTELLIUM SE is the larger business by last-quarter revenue ($2.2B vs $1.5B, roughly 1.5× Realty Income). Realty Income runs the higher net margin — 19.9% vs 5.1%, a 14.8% gap on every dollar of revenue. Realty Income produced more free cash flow last quarter ($1.2B vs $109.0M).

Constellium SE is an American-Swiss, French-based global manufacturer of aluminium rolled products, extruded products, and structural parts based on a large variety of advanced alloys. Constellium's C-TEC research center has been credited for advancing technology in the field of advanced aluminium alloy. Constellium primarily serves the aerospace, automotive, and packaging sectors. Large clients include Mercedes-Benz, Audi, BMW, Fiat Chrysler Automotive, Ford, Airbus, Boeing, and Bombardier.

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.

CSTM vs O — Head-to-Head

Bigger by revenue
CSTM
CSTM
1.5× larger
CSTM
$2.2B
$1.5B
O
Higher net margin
O
O
14.8% more per $
O
19.9%
5.1%
CSTM
More free cash flow
O
O
$1.0B more FCF
O
$1.2B
$109.0M
CSTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CSTM
CSTM
O
O
Revenue
$2.2B
$1.5B
Net Profit
$112.0M
$296.1M
Gross Margin
Operating Margin
7.5%
21.7%
Net Margin
5.1%
19.9%
Revenue YoY
11.0%
Net Profit YoY
48.3%
EPS (diluted)
$0.79
$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
CSTM
CSTM
O
O
Q4 25
$2.2B
$1.5B
Q3 25
$2.2B
$1.5B
Q2 25
$2.1B
$1.4B
Q1 25
$2.0B
$1.4B
Q4 24
$1.3B
Q3 24
$1.3B
Q2 24
$1.9B
$1.3B
Q1 24
$1.3B
Net Profit
CSTM
CSTM
O
O
Q4 25
$112.0M
$296.1M
Q3 25
$88.0M
$315.8M
Q2 25
$36.0M
$196.9M
Q1 25
$37.0M
$249.8M
Q4 24
$199.6M
Q3 24
$269.5M
Q2 24
$76.0M
$259.4M
Q1 24
$132.3M
Operating Margin
CSTM
CSTM
O
O
Q4 25
7.5%
21.7%
Q3 25
5.8%
23.2%
Q2 25
2.7%
15.8%
Q1 25
3.1%
19.3%
Q4 24
16.5%
Q3 24
21.5%
Q2 24
5.4%
20.7%
Q1 24
11.9%
Net Margin
CSTM
CSTM
O
O
Q4 25
5.1%
19.9%
Q3 25
4.1%
21.5%
Q2 25
1.7%
14.0%
Q1 25
1.9%
18.1%
Q4 24
14.9%
Q3 24
20.2%
Q2 24
3.9%
19.4%
Q1 24
10.5%
EPS (diluted)
CSTM
CSTM
O
O
Q4 25
$0.79
$0.32
Q3 25
$0.62
$0.35
Q2 25
$0.25
$0.22
Q1 25
$0.26
$0.28
Q4 24
$0.23
Q3 24
$0.30
Q2 24
$0.51
$0.29
Q1 24
$0.16

Balance Sheet & Financial Strength

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

Metric
CSTM
CSTM
O
O
Cash + ST InvestmentsLiquidity on hand
$120.0M
$434.8M
Total DebtLower is stronger
$1.9B
Stockholders' EquityBook value
$952.0M
$39.4B
Total Assets
$5.4B
$72.8B
Debt / EquityLower = less leverage
2.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTM
CSTM
O
O
Q4 25
$120.0M
$434.8M
Q3 25
$122.0M
$417.2M
Q2 25
$133.0M
$800.4M
Q1 25
$118.0M
$319.0M
Q4 24
$445.0M
Q3 24
$397.0M
Q2 24
$442.8M
Q1 24
$680.2M
Total Debt
CSTM
CSTM
O
O
Q4 25
$1.9B
Q3 25
$2.0B
Q2 25
$2.0B
Q1 25
$1.9B
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
CSTM
CSTM
O
O
Q4 25
$952.0M
$39.4B
Q3 25
$845.0M
$39.1B
Q2 25
$780.0M
$39.2B
Q1 25
$745.0M
$39.0B
Q4 24
$38.8B
Q3 24
$38.5B
Q2 24
$796.0M
$38.6B
Q1 24
$39.0B
Total Assets
CSTM
CSTM
O
O
Q4 25
$5.4B
$72.8B
Q3 25
$5.4B
$71.3B
Q2 25
$5.4B
$71.4B
Q1 25
$5.2B
$69.8B
Q4 24
$68.8B
Q3 24
$68.5B
Q2 24
$68.1B
Q1 24
$68.3B
Debt / Equity
CSTM
CSTM
O
O
Q4 25
2.00×
Q3 25
2.34×
Q2 25
2.53×
Q1 25
2.56×
Q4 24
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
CSTM
CSTM
O
O
Operating Cash FlowLast quarter
$218.0M
$1.2B
Free Cash FlowOCF − Capex
$109.0M
$1.2B
FCF MarginFCF / Revenue
5.0%
77.6%
Capex IntensityCapex / Revenue
5.0%
3.3%
Cash ConversionOCF / Net Profit
1.95×
4.06×
TTM Free Cash FlowTrailing 4 quarters
$159.0M
$3.9B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSTM
CSTM
O
O
Q4 25
$218.0M
$1.2B
Q3 25
$99.0M
$943.1M
Q2 25
$114.0M
$1.1B
Q1 25
$58.0M
$787.5M
Q4 24
$972.0M
Q3 24
$841.5M
Q2 24
$138.0M
$981.2M
Q1 24
$778.7M
Free Cash Flow
CSTM
CSTM
O
O
Q4 25
$109.0M
$1.2B
Q3 25
$24.0M
$909.9M
Q2 25
$37.0M
$1.0B
Q1 25
$-11.0M
$764.6M
Q4 24
$935.8M
Q3 24
$807.9M
Q2 24
$54.0M
$939.2M
Q1 24
$769.0M
FCF Margin
CSTM
CSTM
O
O
Q4 25
5.0%
77.6%
Q3 25
1.1%
61.9%
Q2 25
1.8%
73.3%
Q1 25
-0.6%
55.4%
Q4 24
69.8%
Q3 24
60.7%
Q2 24
2.8%
70.1%
Q1 24
61.0%
Capex Intensity
CSTM
CSTM
O
O
Q4 25
5.0%
3.3%
Q3 25
3.5%
2.3%
Q2 25
3.7%
1.9%
Q1 25
3.5%
1.7%
Q4 24
2.7%
Q3 24
2.5%
Q2 24
4.3%
3.1%
Q1 24
0.8%
Cash Conversion
CSTM
CSTM
O
O
Q4 25
1.95×
4.06×
Q3 25
1.13×
2.99×
Q2 25
3.17×
5.39×
Q1 25
1.57×
3.15×
Q4 24
4.87×
Q3 24
3.12×
Q2 24
1.82×
3.78×
Q1 24
5.89×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CSTM
CSTM

Packaging Rolled Products$1.0B46%
Automotive Rolled Products$318.0M14%
Aerospace Rolled Products$270.0M12%
Transportation Industry Defense And Other Rolled Products$232.0M11%
Automotive Extruded Products$220.0M10%
Other Extruded Products$132.0M6%
Specialty And Other Thin Rolled Products$22.0M1%

O
O

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

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