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Side-by-side financial comparison of AECOM (ACM) and CONSTELLIUM SE (CSTM). Click either name above to swap in a different company.
AECOM is the larger business by last-quarter revenue ($3.8B vs $2.2B, roughly 1.7× CONSTELLIUM SE). CONSTELLIUM SE runs the higher net margin — 5.1% vs 1.9%, a 3.1% gap on every dollar of revenue. CONSTELLIUM SE produced more free cash flow last quarter ($109.0M vs $41.9M).
AECOM is an American multinational infrastructure consulting firm headquartered in Dallas, Texas.
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.
ACM vs CSTM — Head-to-Head
Income Statement — Q1 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $3.8B | $2.2B |
| Net Profit | $74.5M | $112.0M |
| Gross Margin | 7.3% | — |
| Operating Margin | 5.8% | 7.5% |
| Net Margin | 1.9% | 5.1% |
| Revenue YoY | 1.6% | — |
| Net Profit YoY | -48.0% | — |
| EPS (diluted) | $0.56 | $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.
| Q1 26 | $3.8B | — | ||
| Q4 25 | — | $2.2B | ||
| Q3 25 | $4.2B | $2.2B | ||
| Q2 25 | $4.2B | $2.1B | ||
| Q1 25 | $3.8B | $2.0B | ||
| Q4 24 | $4.0B | — | ||
| Q3 24 | $4.1B | — | ||
| Q2 24 | $4.2B | $1.9B |
| Q1 26 | $74.5M | — | ||
| Q4 25 | — | $112.0M | ||
| Q3 25 | $120.4M | $88.0M | ||
| Q2 25 | $131.0M | $36.0M | ||
| Q1 25 | $143.4M | $37.0M | ||
| Q4 24 | $167.0M | — | ||
| Q3 24 | $172.5M | — | ||
| Q2 24 | $134.3M | $76.0M |
| Q1 26 | 7.3% | — | ||
| Q4 25 | — | — | ||
| Q3 25 | 7.9% | — | ||
| Q2 25 | 7.8% | — | ||
| Q1 25 | 7.7% | — | ||
| Q4 24 | 6.7% | — | ||
| Q3 24 | 7.2% | — | ||
| Q2 24 | 6.9% | — |
| Q1 26 | 5.8% | — | ||
| Q4 25 | — | 7.5% | ||
| Q3 25 | 5.7% | 5.8% | ||
| Q2 25 | 7.0% | 2.7% | ||
| Q1 25 | 6.8% | 3.1% | ||
| Q4 24 | 5.9% | — | ||
| Q3 24 | 5.8% | — | ||
| Q2 24 | 5.5% | 5.4% |
| Q1 26 | 1.9% | — | ||
| Q4 25 | — | 5.1% | ||
| Q3 25 | 2.9% | 4.1% | ||
| Q2 25 | 3.1% | 1.7% | ||
| Q1 25 | 3.8% | 1.9% | ||
| Q4 24 | 4.2% | — | ||
| Q3 24 | 4.2% | — | ||
| Q2 24 | 3.2% | 3.9% |
| Q1 26 | $0.56 | — | ||
| Q4 25 | — | $0.79 | ||
| Q3 25 | $0.90 | $0.62 | ||
| Q2 25 | $0.98 | $0.25 | ||
| Q1 25 | $1.08 | $0.26 | ||
| Q4 24 | $1.25 | — | ||
| Q3 24 | $1.27 | — | ||
| Q2 24 | $0.98 | $0.51 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $1.2B | $120.0M |
| Total DebtLower is stronger | $2.6B | $1.9B |
| Stockholders' EquityBook value | $2.2B | $952.0M |
| Total Assets | $11.9B | $5.4B |
| Debt / EquityLower = less leverage | 1.18× | 2.00× |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $1.2B | — | ||
| Q4 25 | — | $120.0M | ||
| Q3 25 | $1.6B | $122.0M | ||
| Q2 25 | $1.8B | $133.0M | ||
| Q1 25 | $1.6B | $118.0M | ||
| Q4 24 | $1.6B | — | ||
| Q3 24 | $1.6B | — | ||
| Q2 24 | $1.6B | — |
| Q1 26 | $2.6B | — | ||
| Q4 25 | — | $1.9B | ||
| Q3 25 | $2.6B | $2.0B | ||
| Q2 25 | $2.5B | $2.0B | ||
| Q1 25 | $2.5B | $1.9B | ||
| Q4 24 | $2.5B | — | ||
| Q3 24 | $2.5B | — | ||
| Q2 24 | $2.5B | — |
| Q1 26 | $2.2B | — | ||
| Q4 25 | — | $952.0M | ||
| Q3 25 | $2.5B | $845.0M | ||
| Q2 25 | $2.5B | $780.0M | ||
| Q1 25 | $2.3B | $745.0M | ||
| Q4 24 | $2.2B | — | ||
| Q3 24 | $2.2B | — | ||
| Q2 24 | $2.3B | $796.0M |
| Q1 26 | $11.9B | — | ||
| Q4 25 | — | $5.4B | ||
| Q3 25 | $12.2B | $5.4B | ||
| Q2 25 | $12.3B | $5.4B | ||
| Q1 25 | $11.8B | $5.2B | ||
| Q4 24 | $11.8B | — | ||
| Q3 24 | $12.1B | — | ||
| Q2 24 | $12.0B | — |
| Q1 26 | 1.18× | — | ||
| Q4 25 | — | 2.00× | ||
| Q3 25 | 1.06× | 2.34× | ||
| Q2 25 | 0.99× | 2.53× | ||
| Q1 25 | 1.07× | 2.56× | ||
| Q4 24 | 1.11× | — | ||
| Q3 24 | 1.12× | — | ||
| Q2 24 | 1.07× | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $70.2M | $218.0M |
| Free Cash FlowOCF − Capex | $41.9M | $109.0M |
| FCF MarginFCF / Revenue | 1.1% | 5.0% |
| Capex IntensityCapex / Revenue | 0.7% | 5.0% |
| Cash ConversionOCF / Net Profit | 0.94× | 1.95× |
| TTM Free Cash FlowTrailing 4 quarters | $616.0M | $159.0M |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $70.2M | — | ||
| Q4 25 | — | $218.0M | ||
| Q3 25 | $196.1M | $99.0M | ||
| Q2 25 | $283.7M | $114.0M | ||
| Q1 25 | $190.7M | $58.0M | ||
| Q4 24 | $151.1M | — | ||
| Q3 24 | $298.8M | — | ||
| Q2 24 | $291.3M | $138.0M |
| Q1 26 | $41.9M | — | ||
| Q4 25 | — | $109.0M | ||
| Q3 25 | $134.1M | $24.0M | ||
| Q2 25 | $261.7M | $37.0M | ||
| Q1 25 | $178.3M | $-11.0M | ||
| Q4 24 | $110.9M | — | ||
| Q3 24 | $274.5M | — | ||
| Q2 24 | $272.8M | $54.0M |
| Q1 26 | 1.1% | — | ||
| Q4 25 | — | 5.0% | ||
| Q3 25 | 3.2% | 1.1% | ||
| Q2 25 | 6.3% | 1.8% | ||
| Q1 25 | 4.7% | -0.6% | ||
| Q4 24 | 2.8% | — | ||
| Q3 24 | 6.7% | — | ||
| Q2 24 | 6.6% | 2.8% |
| Q1 26 | 0.7% | — | ||
| Q4 25 | — | 5.0% | ||
| Q3 25 | 1.5% | 3.5% | ||
| Q2 25 | 0.5% | 3.7% | ||
| Q1 25 | 0.3% | 3.5% | ||
| Q4 24 | 1.0% | — | ||
| Q3 24 | 0.6% | — | ||
| Q2 24 | 0.4% | 4.3% |
| Q1 26 | 0.94× | — | ||
| Q4 25 | — | 1.95× | ||
| Q3 25 | 1.63× | 1.13× | ||
| Q2 25 | 2.17× | 3.17× | ||
| Q1 25 | 1.33× | 1.57× | ||
| Q4 24 | 0.90× | — | ||
| Q3 24 | 1.73× | — | ||
| Q2 24 | 2.17× | 1.82× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
ACM
Segment breakdown not available.
CSTM
| Packaging Rolled Products | $1.0B | 46% |
| Automotive Rolled Products | $318.0M | 14% |
| Aerospace Rolled Products | $270.0M | 12% |
| Transportation Industry Defense And Other Rolled Products | $232.0M | 11% |
| Automotive Extruded Products | $220.0M | 10% |
| Other Extruded Products | $132.0M | 6% |
| Specialty And Other Thin Rolled Products | $22.0M | 1% |
