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

CONSTELLIUM SE is the larger business by last-quarter revenue ($2.2B vs $1.8B, roughly 1.2× Ameren). Ameren runs the higher net margin — 14.2% vs 5.1%, a 9.1% gap on every dollar of revenue. CONSTELLIUM SE produced more free cash flow last quarter ($109.0M vs $-54.0M).

Ameren Corporation, together with its subsidiaries, operates as a public utility holding company in the United States. It operates through four segments: Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission. The company engages in the rate-regulated electric generation, transmission, and distribution activities; and rate-regulated natural gas distribution and transmission businesses. It primarily generates electricity through coal, nucle...

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.

AEE vs CSTM — Head-to-Head

Bigger by revenue
CSTM
CSTM
1.2× larger
CSTM
$2.2B
$1.8B
AEE
Higher net margin
AEE
AEE
9.1% more per $
AEE
14.2%
5.1%
CSTM
More free cash flow
CSTM
CSTM
$163.0M more FCF
CSTM
$109.0M
$-54.0M
AEE

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AEE
AEE
CSTM
CSTM
Revenue
$1.8B
$2.2B
Net Profit
$253.0M
$112.0M
Gross Margin
Operating Margin
20.2%
7.5%
Net Margin
14.2%
5.1%
Revenue YoY
-8.2%
Net Profit YoY
21.6%
EPS (diluted)
$0.92
$0.79

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
AEE
AEE
CSTM
CSTM
Q4 25
$1.8B
$2.2B
Q3 25
$2.7B
$2.2B
Q2 25
$2.2B
$2.1B
Q1 25
$2.1B
$2.0B
Q4 24
$1.9B
Q3 24
$2.2B
Q2 24
$1.7B
$1.9B
Q1 24
$1.8B
Net Profit
AEE
AEE
CSTM
CSTM
Q4 25
$253.0M
$112.0M
Q3 25
$641.0M
$88.0M
Q2 25
$277.0M
$36.0M
Q1 25
$290.0M
$37.0M
Q4 24
$208.0M
Q3 24
$457.0M
Q2 24
$260.0M
$76.0M
Q1 24
$262.0M
Operating Margin
AEE
AEE
CSTM
CSTM
Q4 25
20.2%
7.5%
Q3 25
30.6%
5.8%
Q2 25
18.5%
2.7%
Q1 25
20.5%
3.1%
Q4 24
10.2%
Q3 24
27.0%
Q2 24
21.3%
5.4%
Q1 24
20.4%
Net Margin
AEE
AEE
CSTM
CSTM
Q4 25
14.2%
5.1%
Q3 25
23.7%
4.1%
Q2 25
12.5%
1.7%
Q1 25
13.8%
1.9%
Q4 24
10.7%
Q3 24
21.0%
Q2 24
15.4%
3.9%
Q1 24
14.4%
EPS (diluted)
AEE
AEE
CSTM
CSTM
Q4 25
$0.92
$0.79
Q3 25
$2.35
$0.62
Q2 25
$1.01
$0.25
Q1 25
$1.07
$0.26
Q4 24
$0.77
Q3 24
$1.70
Q2 24
$0.97
$0.51
Q1 24
$0.98

Balance Sheet & Financial Strength

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

Metric
AEE
AEE
CSTM
CSTM
Cash + ST InvestmentsLiquidity on hand
$13.0M
$120.0M
Total DebtLower is stronger
$19.4B
$1.9B
Stockholders' EquityBook value
$13.4B
$952.0M
Total Assets
$48.5B
$5.4B
Debt / EquityLower = less leverage
1.45×
2.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AEE
AEE
CSTM
CSTM
Q4 25
$13.0M
$120.0M
Q3 25
$9.0M
$122.0M
Q2 25
$11.0M
$133.0M
Q1 25
$23.0M
$118.0M
Q4 24
$7.0M
Q3 24
$17.0M
Q2 24
$19.0M
Q1 24
$85.0M
Total Debt
AEE
AEE
CSTM
CSTM
Q4 25
$19.4B
$1.9B
Q3 25
$2.0B
Q2 25
$2.0B
Q1 25
$1.9B
Q4 24
$17.8B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
AEE
AEE
CSTM
CSTM
Q4 25
$13.4B
$952.0M
Q3 25
$12.8B
$845.0M
Q2 25
$12.3B
$780.0M
Q1 25
$12.2B
$745.0M
Q4 24
$12.1B
Q3 24
$11.8B
Q2 24
$11.5B
$796.0M
Q1 24
$11.4B
Total Assets
AEE
AEE
CSTM
CSTM
Q4 25
$48.5B
$5.4B
Q3 25
$47.4B
$5.4B
Q2 25
$46.6B
$5.4B
Q1 25
$45.7B
$5.2B
Q4 24
$44.6B
Q3 24
$43.3B
Q2 24
$42.3B
Q1 24
$41.3B
Debt / Equity
AEE
AEE
CSTM
CSTM
Q4 25
1.45×
2.00×
Q3 25
2.34×
Q2 25
2.53×
Q1 25
2.56×
Q4 24
1.47×
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
AEE
AEE
CSTM
CSTM
Operating Cash FlowLast quarter
$956.0M
$218.0M
Free Cash FlowOCF − Capex
$-54.0M
$109.0M
FCF MarginFCF / Revenue
-3.0%
5.0%
Capex IntensityCapex / Revenue
56.7%
5.0%
Cash ConversionOCF / Net Profit
3.78×
1.95×
TTM Free Cash FlowTrailing 4 quarters
$-775.0M
$159.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AEE
AEE
CSTM
CSTM
Q4 25
$956.0M
$218.0M
Q3 25
$1.1B
$99.0M
Q2 25
$862.0M
$114.0M
Q1 25
$431.0M
$58.0M
Q4 24
$817.0M
Q3 24
$897.0M
Q2 24
$557.0M
$138.0M
Q1 24
$492.0M
Free Cash Flow
AEE
AEE
CSTM
CSTM
Q4 25
$-54.0M
$109.0M
Q3 25
$116.0M
$24.0M
Q2 25
$-204.0M
$37.0M
Q1 25
$-633.0M
$-11.0M
Q4 24
$-473.0M
Q3 24
$-240.0M
Q2 24
$-445.0M
$54.0M
Q1 24
$-398.0M
FCF Margin
AEE
AEE
CSTM
CSTM
Q4 25
-3.0%
5.0%
Q3 25
4.3%
1.1%
Q2 25
-9.2%
1.8%
Q1 25
-30.2%
-0.6%
Q4 24
-24.4%
Q3 24
-11.0%
Q2 24
-26.3%
2.8%
Q1 24
-21.9%
Capex Intensity
AEE
AEE
CSTM
CSTM
Q4 25
56.7%
5.0%
Q3 25
36.6%
3.5%
Q2 25
48.0%
3.7%
Q1 25
50.7%
3.5%
Q4 24
66.5%
Q3 24
52.3%
Q2 24
59.2%
4.3%
Q1 24
49.0%
Cash Conversion
AEE
AEE
CSTM
CSTM
Q4 25
3.78×
1.95×
Q3 25
1.72×
1.13×
Q2 25
3.11×
3.17×
Q1 25
1.49×
1.57×
Q4 24
3.93×
Q3 24
1.96×
Q2 24
2.14×
1.82×
Q1 24
1.88×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AEE
AEE

Segment breakdown not available.

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%

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