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Side-by-side financial comparison of American Tower (AMT) and CONSTELLIUM SE (CSTM). Click either name above to swap in a different company.
American Tower is the larger business by last-quarter revenue ($2.7B vs $2.2B, roughly 1.2× CONSTELLIUM SE). American Tower runs the higher net margin — 110.1% vs 5.1%, a 105.0% gap on every dollar of revenue. American Tower produced more free cash flow last quarter ($941.0M vs $109.0M).
American Tower Corporation, one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate with a portfolio of approximately 219,000 communications sites. For more information about American Tower, please visit the Earnings Materials and Investor Presentations sections of our investor relations website at www.americantower.com.
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.
AMT vs CSTM — Head-to-Head
Income Statement — Q1 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $2.7B | $2.2B |
| Net Profit | $3.0B | $112.0M |
| Gross Margin | — | — |
| Operating Margin | 0.0% | 7.5% |
| Net Margin | 110.1% | 5.1% |
| Revenue YoY | — | — |
| Net Profit YoY | — | — |
| EPS (diluted) | — | $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 | $2.7B | — | ||
| Q4 25 | $2.7B | $2.2B | ||
| Q3 25 | $2.7B | $2.2B | ||
| Q2 25 | $2.6B | $2.1B | ||
| Q1 25 | $2.6B | $2.0B | ||
| Q4 24 | $2.5B | — | ||
| Q3 24 | $2.5B | — | ||
| Q2 24 | $2.5B | $1.9B |
| Q1 26 | $3.0B | — | ||
| Q4 25 | $836.8M | $112.0M | ||
| Q3 25 | $912.6M | $88.0M | ||
| Q2 25 | $380.5M | $36.0M | ||
| Q1 25 | $498.6M | $37.0M | ||
| Q4 24 | $1.2B | — | ||
| Q3 24 | $-780.4M | — | ||
| Q2 24 | $908.4M | $76.0M |
| Q1 26 | 0.0% | — | ||
| Q4 25 | 42.4% | 7.5% | ||
| Q3 25 | 45.4% | 5.8% | ||
| Q2 25 | 45.6% | 2.7% | ||
| Q1 25 | 48.9% | 3.1% | ||
| Q4 24 | 42.4% | — | ||
| Q3 24 | 45.2% | — | ||
| Q2 24 | 45.4% | 5.4% |
| Q1 26 | 110.1% | — | ||
| Q4 25 | 30.6% | 5.1% | ||
| Q3 25 | 33.6% | 4.1% | ||
| Q2 25 | 14.5% | 1.7% | ||
| Q1 25 | 19.5% | 1.9% | ||
| Q4 24 | 48.3% | — | ||
| Q3 24 | -30.9% | — | ||
| Q2 24 | 35.7% | 3.9% |
| Q1 26 | — | — | ||
| Q4 25 | $1.76 | $0.79 | ||
| Q3 25 | $1.82 | $0.62 | ||
| Q2 25 | $0.78 | $0.25 | ||
| Q1 25 | $1.04 | $0.26 | ||
| Q4 24 | $2.63 | — | ||
| Q3 24 | $-1.69 | — | ||
| Q2 24 | $1.92 | $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 | $1.6B | $120.0M |
| Total DebtLower is stronger | — | $1.9B |
| Stockholders' EquityBook value | $10.2B | $952.0M |
| Total Assets | — | $5.4B |
| Debt / EquityLower = less leverage | — | 2.00× |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $1.6B | — | ||
| Q4 25 | $1.5B | $120.0M | ||
| Q3 25 | $2.0B | $122.0M | ||
| Q2 25 | $2.1B | $133.0M | ||
| Q1 25 | $2.1B | $118.0M | ||
| Q4 24 | $2.0B | — | ||
| Q3 24 | $2.2B | — | ||
| Q2 24 | $2.2B | — |
| Q1 26 | — | — | ||
| Q4 25 | $33.8B | $1.9B | ||
| Q3 25 | $34.9B | $2.0B | ||
| Q2 25 | $35.2B | $2.0B | ||
| Q1 25 | $34.0B | $1.9B | ||
| Q4 24 | $32.8B | — | ||
| Q3 24 | $33.4B | — | ||
| Q2 24 | $35.6B | — |
| Q1 26 | $10.2B | — | ||
| Q4 25 | $3.7B | $952.0M | ||
| Q3 25 | $4.0B | $845.0M | ||
| Q2 25 | $3.7B | $780.0M | ||
| Q1 25 | $3.5B | $745.0M | ||
| Q4 24 | $3.4B | — | ||
| Q3 24 | $3.6B | — | ||
| Q2 24 | $3.9B | $796.0M |
| Q1 26 | — | — | ||
| Q4 25 | $63.2B | $5.4B | ||
| Q3 25 | $63.9B | $5.4B | ||
| Q2 25 | $63.8B | $5.4B | ||
| Q1 25 | $62.1B | $5.2B | ||
| Q4 24 | $61.1B | — | ||
| Q3 24 | $62.8B | — | ||
| Q2 24 | $65.8B | — |
| Q1 26 | — | — | ||
| Q4 25 | 9.26× | 2.00× | ||
| Q3 25 | 8.82× | 2.34× | ||
| Q2 25 | 9.48× | 2.53× | ||
| Q1 25 | 9.63× | 2.56× | ||
| Q4 24 | 9.70× | — | ||
| Q3 24 | 9.16× | — | ||
| Q2 24 | 9.24× | — |
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 |
| Free Cash FlowOCF − Capex | $941.0M | $109.0M |
| FCF MarginFCF / Revenue | 34.4% | 5.0% |
| Capex IntensityCapex / Revenue | 16.8% | 5.0% |
| Cash ConversionOCF / Net Profit | — | 1.95× |
| TTM Free Cash FlowTrailing 4 quarters | $6.7B | $159.0M |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | — | ||
| Q4 25 | $5.5B | $218.0M | ||
| Q3 25 | $1.5B | $99.0M | ||
| Q2 25 | $1.3B | $114.0M | ||
| Q1 25 | $1.3B | $58.0M | ||
| Q4 24 | $5.3B | — | ||
| Q3 24 | $1.5B | — | ||
| Q2 24 | $1.3B | $138.0M |
| Q1 26 | $941.0M | — | ||
| Q4 25 | $3.8B | $109.0M | ||
| Q3 25 | $994.5M | $24.0M | ||
| Q2 25 | $976.9M | $37.0M | ||
| Q1 25 | $963.9M | $-11.0M | ||
| Q4 24 | $3.7B | — | ||
| Q3 24 | $1.0B | — | ||
| Q2 24 | $1.0B | $54.0M |
| Q1 26 | 34.4% | — | ||
| Q4 25 | 138.2% | 5.0% | ||
| Q3 25 | 36.6% | 1.1% | ||
| Q2 25 | 37.2% | 1.8% | ||
| Q1 25 | 37.6% | -0.6% | ||
| Q4 24 | 145.3% | — | ||
| Q3 24 | 41.4% | — | ||
| Q2 24 | 39.8% | 2.8% |
| Q1 26 | 16.8% | — | ||
| Q4 25 | 61.4% | 5.0% | ||
| Q3 25 | 17.1% | 3.5% | ||
| Q2 25 | 11.6% | 3.7% | ||
| Q1 25 | 12.9% | 3.5% | ||
| Q4 24 | 62.4% | — | ||
| Q3 24 | 16.8% | — | ||
| Q2 24 | 12.8% | 4.3% |
| Q1 26 | — | — | ||
| Q4 25 | 6.53× | 1.95× | ||
| Q3 25 | 1.60× | 1.13× | ||
| Q2 25 | 3.37× | 3.17× | ||
| Q1 25 | 2.60× | 1.57× | ||
| Q4 24 | 4.30× | — | ||
| Q3 24 | — | — | ||
| Q2 24 | 1.47× | 1.82× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
AMT
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% |
