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Side-by-side financial comparison of CONSTELLIUM SE (CSTM) and Wabtec (WAB). Click either name above to swap in a different company.
Wabtec is the larger business by last-quarter revenue ($3.0B vs $2.2B, roughly 1.3× CONSTELLIUM SE). Wabtec runs the higher net margin — 12.3% vs 5.1%, a 7.2% 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.
Westinghouse Air Brake Technologies Corporation, commonly known as Wabtec, is an American company formed by the merger of the Westinghouse Air Brake Company (WABCO) and MotivePower in 1999. It is headquartered in Pittsburgh, Pennsylvania.
CSTM vs WAB — Head-to-Head
Income Statement — Q4 FY2025 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $2.2B | $3.0B |
| Net Profit | $112.0M | $363.0M |
| Gross Margin | — | 36.0% |
| Operating Margin | 7.5% | 17.5% |
| Net Margin | 5.1% | 12.3% |
| Revenue YoY | — | 13.0% |
| Net Profit YoY | — | 11.0% |
| EPS (diluted) | $0.79 | $2.12 |
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 | — | $3.0B | ||
| Q4 25 | $2.2B | $3.0B | ||
| Q3 25 | $2.2B | $2.9B | ||
| Q2 25 | $2.1B | $2.7B | ||
| Q1 25 | $2.0B | $2.6B | ||
| Q4 24 | — | $2.6B | ||
| Q3 24 | — | $2.7B | ||
| Q2 24 | $1.9B | $2.6B |
| Q1 26 | — | $363.0M | ||
| Q4 25 | $112.0M | $202.0M | ||
| Q3 25 | $88.0M | $310.0M | ||
| Q2 25 | $36.0M | $336.0M | ||
| Q1 25 | $37.0M | $322.0M | ||
| Q4 24 | — | $212.0M | ||
| Q3 24 | — | $283.0M | ||
| Q2 24 | $76.0M | $289.0M |
| Q1 26 | — | 36.0% | ||
| Q4 25 | — | 32.6% | ||
| Q3 25 | — | 34.7% | ||
| Q2 25 | — | 34.7% | ||
| Q1 25 | — | 34.5% | ||
| Q4 24 | — | 30.9% | ||
| Q3 24 | — | 33.0% | ||
| Q2 24 | — | 33.1% |
| Q1 26 | — | 17.5% | ||
| Q4 25 | 7.5% | 12.0% | ||
| Q3 25 | 5.8% | 17.0% | ||
| Q2 25 | 2.7% | 17.4% | ||
| Q1 25 | 3.1% | 18.2% | ||
| Q4 24 | — | 12.9% | ||
| Q3 24 | — | 16.3% | ||
| Q2 24 | 5.4% | 16.3% |
| Q1 26 | — | 12.3% | ||
| Q4 25 | 5.1% | 6.8% | ||
| Q3 25 | 4.1% | 10.7% | ||
| Q2 25 | 1.7% | 12.4% | ||
| Q1 25 | 1.9% | 12.3% | ||
| Q4 24 | — | 8.2% | ||
| Q3 24 | — | 10.6% | ||
| Q2 24 | 3.9% | 10.9% |
| Q1 26 | — | $2.12 | ||
| Q4 25 | $0.79 | $1.18 | ||
| Q3 25 | $0.62 | $1.81 | ||
| Q2 25 | $0.25 | $1.96 | ||
| Q1 25 | $0.26 | $1.88 | ||
| Q4 24 | — | $1.24 | ||
| Q3 24 | — | $1.63 | ||
| Q2 24 | $0.51 | $1.64 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $120.0M | — |
| Total DebtLower is stronger | $1.9B | $4.7B |
| Stockholders' EquityBook value | $952.0M | $11.1B |
| Total Assets | $5.4B | $23.2B |
| Debt / EquityLower = less leverage | 2.00× | 0.42× |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | — | ||
| Q4 25 | $120.0M | — | ||
| Q3 25 | $122.0M | — | ||
| Q2 25 | $133.0M | — | ||
| Q1 25 | $118.0M | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — |
| Q1 26 | — | $4.7B | ||
| Q4 25 | $1.9B | $5.5B | ||
| Q3 25 | $2.0B | $5.3B | ||
| Q2 25 | $2.0B | $4.8B | ||
| Q1 25 | $1.9B | $4.0B | ||
| Q4 24 | — | $4.0B | ||
| Q3 24 | — | $4.0B | ||
| Q2 24 | — | $4.0B |
| Q1 26 | — | $11.1B | ||
| Q4 25 | $952.0M | $11.1B | ||
| Q3 25 | $845.0M | $11.0B | ||
| Q2 25 | $780.0M | $10.8B | ||
| Q1 25 | $745.0M | $10.4B | ||
| Q4 24 | — | $10.1B | ||
| Q3 24 | — | $10.3B | ||
| Q2 24 | $796.0M | $10.5B |
| Q1 26 | — | $23.2B | ||
| Q4 25 | $5.4B | $22.1B | ||
| Q3 25 | $5.4B | $21.5B | ||
| Q2 25 | $5.4B | $20.4B | ||
| Q1 25 | $5.2B | $19.1B | ||
| Q4 24 | — | $18.7B | ||
| Q3 24 | — | $18.6B | ||
| Q2 24 | — | $18.9B |
| Q1 26 | — | 0.42× | ||
| Q4 25 | 2.00× | 0.50× | ||
| Q3 25 | 2.34× | 0.48× | ||
| Q2 25 | 2.53× | 0.44× | ||
| Q1 25 | 2.56× | 0.39× | ||
| Q4 24 | — | 0.39× | ||
| Q3 24 | — | 0.39× | ||
| Q2 24 | — | 0.38× |
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 | $218.0M | $199.0M |
| Free Cash FlowOCF − Capex | $109.0M | — |
| FCF MarginFCF / Revenue | 5.0% | — |
| Capex IntensityCapex / Revenue | 5.0% | — |
| Cash ConversionOCF / Net Profit | 1.95× | 0.55× |
| TTM Free Cash FlowTrailing 4 quarters | $159.0M | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | $199.0M | ||
| Q4 25 | $218.0M | $992.0M | ||
| Q3 25 | $99.0M | $367.0M | ||
| Q2 25 | $114.0M | $209.0M | ||
| Q1 25 | $58.0M | $191.0M | ||
| Q4 24 | — | $723.0M | ||
| Q3 24 | — | $542.0M | ||
| Q2 24 | $138.0M | $235.0M |
| Q1 26 | — | — | ||
| Q4 25 | $109.0M | $870.0M | ||
| Q3 25 | $24.0M | $312.0M | ||
| Q2 25 | $37.0M | $170.0M | ||
| Q1 25 | $-11.0M | $147.0M | ||
| Q4 24 | — | $639.0M | ||
| Q3 24 | — | $496.0M | ||
| Q2 24 | $54.0M | $189.0M |
| Q1 26 | — | — | ||
| Q4 25 | 5.0% | 29.3% | ||
| Q3 25 | 1.1% | 10.8% | ||
| Q2 25 | 1.8% | 6.3% | ||
| Q1 25 | -0.6% | 5.6% | ||
| Q4 24 | — | 24.7% | ||
| Q3 24 | — | 18.6% | ||
| Q2 24 | 2.8% | 7.1% |
| Q1 26 | — | — | ||
| Q4 25 | 5.0% | 4.1% | ||
| Q3 25 | 3.5% | 1.9% | ||
| Q2 25 | 3.7% | 1.4% | ||
| Q1 25 | 3.5% | 1.7% | ||
| Q4 24 | — | 3.3% | ||
| Q3 24 | — | 1.7% | ||
| Q2 24 | 4.3% | 1.7% |
| Q1 26 | — | 0.55× | ||
| Q4 25 | 1.95× | 4.91× | ||
| Q3 25 | 1.13× | 1.18× | ||
| Q2 25 | 3.17× | 0.62× | ||
| Q1 25 | 1.57× | 0.59× | ||
| Q4 24 | — | 3.41× | ||
| Q3 24 | — | 1.92× | ||
| Q2 24 | 1.82× | 0.81× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
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% |
WAB
Segment breakdown not available.
