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

CONSTELLIUM SE is the larger business by last-quarter revenue ($2.2B vs $1.2B, roughly 1.9× Sunrun Inc.). Sunrun Inc. runs the higher net margin — 8.9% vs 5.1%, a 3.8% gap on every dollar of revenue.

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.

Sunrun Inc. is an American provider of photovoltaic systems and battery energy storage products, primarily for residential customers. The company was established in 2007 and is headquartered in San Francisco, California.

CSTM vs RUN — Head-to-Head

Bigger by revenue
CSTM
CSTM
1.9× larger
CSTM
$2.2B
$1.2B
RUN
Higher net margin
RUN
RUN
3.8% more per $
RUN
8.9%
5.1%
CSTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CSTM
CSTM
RUN
RUN
Revenue
$2.2B
$1.2B
Net Profit
$112.0M
$103.6M
Gross Margin
Operating Margin
7.5%
8.4%
Net Margin
5.1%
8.9%
Revenue YoY
123.5%
Net Profit YoY
103.7%
EPS (diluted)
$0.79
$0.38

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
RUN
RUN
Q4 25
$2.2B
$1.2B
Q3 25
$2.2B
$724.6M
Q2 25
$2.1B
$569.3M
Q1 25
$2.0B
$504.3M
Q4 24
$518.5M
Q3 24
$537.2M
Q2 24
$1.9B
$523.9M
Q1 24
$458.2M
Net Profit
CSTM
CSTM
RUN
RUN
Q4 25
$112.0M
$103.6M
Q3 25
$88.0M
$16.6M
Q2 25
$36.0M
$279.8M
Q1 25
$37.0M
$50.0M
Q4 24
$-2.8B
Q3 24
$-83.8M
Q2 24
$76.0M
$139.1M
Q1 24
$-87.8M
Operating Margin
CSTM
CSTM
RUN
RUN
Q4 25
7.5%
8.4%
Q3 25
5.8%
0.5%
Q2 25
2.7%
-19.7%
Q1 25
3.1%
-22.8%
Q4 24
-628.0%
Q3 24
-23.8%
Q2 24
5.4%
-24.4%
Q1 24
-40.0%
Net Margin
CSTM
CSTM
RUN
RUN
Q4 25
5.1%
8.9%
Q3 25
4.1%
2.3%
Q2 25
1.7%
49.1%
Q1 25
1.9%
9.9%
Q4 24
-542.7%
Q3 24
-15.6%
Q2 24
3.9%
26.5%
Q1 24
-19.2%
EPS (diluted)
CSTM
CSTM
RUN
RUN
Q4 25
$0.79
$0.38
Q3 25
$0.62
$0.06
Q2 25
$0.25
$1.07
Q1 25
$0.26
$0.20
Q4 24
$-12.59
Q3 24
$-0.37
Q2 24
$0.51
$0.55
Q1 24
$-0.40

Balance Sheet & Financial Strength

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

Metric
CSTM
CSTM
RUN
RUN
Cash + ST InvestmentsLiquidity on hand
$120.0M
Total DebtLower is stronger
$1.9B
$14.7B
Stockholders' EquityBook value
$952.0M
$3.1B
Total Assets
$5.4B
$22.6B
Debt / EquityLower = less leverage
2.00×
4.69×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTM
CSTM
RUN
RUN
Q4 25
$120.0M
Q3 25
$122.0M
Q2 25
$133.0M
Q1 25
$118.0M
Q4 24
Q3 24
Q2 24
Q1 24
Total Debt
CSTM
CSTM
RUN
RUN
Q4 25
$1.9B
$14.7B
Q3 25
$2.0B
$14.6B
Q2 25
$2.0B
$14.0B
Q1 25
$1.9B
$13.6B
Q4 24
$12.9B
Q3 24
$12.5B
Q2 24
$12.0B
Q1 24
$11.1B
Stockholders' Equity
CSTM
CSTM
RUN
RUN
Q4 25
$952.0M
$3.1B
Q3 25
$845.0M
$3.0B
Q2 25
$780.0M
$2.9B
Q1 25
$745.0M
$2.6B
Q4 24
$2.6B
Q3 24
$5.3B
Q2 24
$796.0M
$5.4B
Q1 24
$5.2B
Total Assets
CSTM
CSTM
RUN
RUN
Q4 25
$5.4B
$22.6B
Q3 25
$5.4B
$22.2B
Q2 25
$5.4B
$21.2B
Q1 25
$5.2B
$20.4B
Q4 24
$19.9B
Q3 24
$22.1B
Q2 24
$21.4B
Q1 24
$20.8B
Debt / Equity
CSTM
CSTM
RUN
RUN
Q4 25
2.00×
4.69×
Q3 25
2.34×
4.90×
Q2 25
2.53×
4.80×
Q1 25
2.56×
5.19×
Q4 24
5.05×
Q3 24
2.36×
Q2 24
2.23×
Q1 24
2.15×

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
RUN
RUN
Operating Cash FlowLast quarter
$218.0M
$96.9M
Free Cash FlowOCF − Capex
$109.0M
FCF MarginFCF / Revenue
5.0%
Capex IntensityCapex / Revenue
5.0%
Cash ConversionOCF / Net Profit
1.95×
0.94×
TTM Free Cash FlowTrailing 4 quarters
$159.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSTM
CSTM
RUN
RUN
Q4 25
$218.0M
$96.9M
Q3 25
$99.0M
$-121.5M
Q2 25
$114.0M
$-292.7M
Q1 25
$58.0M
$-104.2M
Q4 24
$-258.4M
Q3 24
$-156.2M
Q2 24
$138.0M
$-208.5M
Q1 24
$-143.1M
Free Cash Flow
CSTM
CSTM
RUN
RUN
Q4 25
$109.0M
Q3 25
$24.0M
Q2 25
$37.0M
Q1 25
$-11.0M
Q4 24
Q3 24
$-156.4M
Q2 24
$54.0M
Q1 24
FCF Margin
CSTM
CSTM
RUN
RUN
Q4 25
5.0%
Q3 25
1.1%
Q2 25
1.8%
Q1 25
-0.6%
Q4 24
Q3 24
-29.1%
Q2 24
2.8%
Q1 24
Capex Intensity
CSTM
CSTM
RUN
RUN
Q4 25
5.0%
Q3 25
3.5%
Q2 25
3.7%
Q1 25
3.5%
Q4 24
Q3 24
0.0%
Q2 24
4.3%
Q1 24
Cash Conversion
CSTM
CSTM
RUN
RUN
Q4 25
1.95×
0.94×
Q3 25
1.13×
-7.33×
Q2 25
3.17×
-1.05×
Q1 25
1.57×
-2.08×
Q4 24
Q3 24
Q2 24
1.82×
-1.50×
Q1 24

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%

RUN
RUN

Products$692.3M60%
Customer Agreements$435.2M38%
Manufactured Product Other$56.7M5%
Incentives$31.3M3%

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