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Side-by-side financial comparison of CONSTELLIUM SE (CSTM) and HANOVER INSURANCE GROUP, INC. (THG). Click either name above to swap in a different company.
CONSTELLIUM SE is the larger business by last-quarter revenue ($2.2B vs $1.7B, roughly 1.3× HANOVER INSURANCE GROUP, INC.). HANOVER INSURANCE GROUP, INC. runs the higher net margin — 11.0% vs 5.1%, a 5.9% 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.
The Hanover Insurance Group, Inc. is an insurance company based in Worcester, Massachusetts. It was the original name of a property-liability insurance firm established in 1852, and it remained a publicly traded company under that name until the early 1990s, when it changed its name to Allmerica Property & Casualty Companies.
CSTM vs THG — Head-to-Head
Income Statement — Q4 FY2025 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $2.2B | $1.7B |
| Net Profit | $112.0M | $186.8M |
| Gross Margin | — | — |
| Operating Margin | 7.5% | 11.1% |
| Net Margin | 5.1% | 11.0% |
| Revenue YoY | — | 6.1% |
| Net Profit YoY | — | 45.7% |
| 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 | — | $1.7B | ||
| Q4 25 | $2.2B | $1.7B | ||
| Q3 25 | $2.2B | $1.7B | ||
| Q2 25 | $2.1B | $1.7B | ||
| Q1 25 | $2.0B | $1.6B | ||
| Q4 24 | — | $1.6B | ||
| Q3 24 | — | $1.6B | ||
| Q2 24 | $1.9B | $1.5B |
| Q1 26 | — | $186.8M | ||
| Q4 25 | $112.0M | $198.5M | ||
| Q3 25 | $88.0M | $178.7M | ||
| Q2 25 | $36.0M | $157.1M | ||
| Q1 25 | $37.0M | $128.2M | ||
| Q4 24 | — | $167.9M | ||
| Q3 24 | — | $102.1M | ||
| Q2 24 | $76.0M | $40.5M |
| Q1 26 | — | 11.1% | ||
| Q4 25 | 7.5% | 17.3% | ||
| Q3 25 | 5.8% | 14.9% | ||
| Q2 25 | 2.7% | 12.7% | ||
| Q1 25 | 3.1% | 11.6% | ||
| Q4 24 | — | 16.1% | ||
| Q3 24 | — | 9.6% | ||
| Q2 24 | 5.4% | 6.2% |
| Q1 26 | — | 11.0% | ||
| Q4 25 | 5.1% | 11.9% | ||
| Q3 25 | 4.1% | 10.7% | ||
| Q2 25 | 1.7% | 9.5% | ||
| Q1 25 | 1.9% | 8.0% | ||
| Q4 24 | — | 10.6% | ||
| Q3 24 | — | 6.5% | ||
| Q2 24 | 3.9% | 2.6% |
| Q1 26 | — | — | ||
| Q4 25 | $0.79 | $5.46 | ||
| Q3 25 | $0.62 | $4.90 | ||
| Q2 25 | $0.25 | $4.30 | ||
| Q1 25 | $0.26 | $3.50 | ||
| Q4 24 | — | $4.60 | ||
| Q3 24 | — | $2.80 | ||
| Q2 24 | $0.51 | $1.12 |
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 | $243.5M |
| Total DebtLower is stronger | $1.9B | $843.8M |
| Stockholders' EquityBook value | $952.0M | $3.0B |
| Total Assets | $5.4B | $16.5B |
| Debt / EquityLower = less leverage | 2.00× | 0.28× |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | $243.5M | ||
| Q4 25 | $120.0M | $1.1B | ||
| Q3 25 | $122.0M | $915.7M | ||
| Q2 25 | $133.0M | $244.1M | ||
| Q1 25 | $118.0M | $315.1M | ||
| Q4 24 | — | $435.5M | ||
| Q3 24 | — | $427.1M | ||
| Q2 24 | — | $337.6M |
| Q1 26 | — | $843.8M | ||
| Q4 25 | $1.9B | $843.3M | ||
| Q3 25 | $2.0B | $843.0M | ||
| Q2 25 | $2.0B | $347.8M | ||
| Q1 25 | $1.9B | $722.5M | ||
| Q4 24 | — | $722.3M | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — |
| Q1 26 | — | $3.0B | ||
| Q4 25 | $952.0M | $3.6B | ||
| Q3 25 | $845.0M | $3.4B | ||
| Q2 25 | $780.0M | $3.2B | ||
| Q1 25 | $745.0M | $3.0B | ||
| Q4 24 | — | $2.8B | ||
| Q3 24 | — | $2.9B | ||
| Q2 24 | $796.0M | $2.6B |
| Q1 26 | — | $16.5B | ||
| Q4 25 | $5.4B | $16.9B | ||
| Q3 25 | $5.4B | $16.8B | ||
| Q2 25 | $5.4B | $15.7B | ||
| Q1 25 | $5.2B | $15.5B | ||
| Q4 24 | — | $15.3B | ||
| Q3 24 | — | $15.4B | ||
| Q2 24 | — | $14.9B |
| Q1 26 | — | 0.28× | ||
| Q4 25 | 2.00× | 0.24× | ||
| Q3 25 | 2.34× | 0.25× | ||
| Q2 25 | 2.53× | 0.11× | ||
| Q1 25 | 2.56× | 0.24× | ||
| Q4 24 | — | 0.25× | ||
| Q3 24 | — | — | ||
| Q2 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 | $109.0M | — |
| FCF MarginFCF / Revenue | 5.0% | — |
| Capex IntensityCapex / Revenue | 5.0% | — |
| Cash ConversionOCF / Net Profit | 1.95× | — |
| TTM Free Cash FlowTrailing 4 quarters | $159.0M | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | — | ||
| Q4 25 | $218.0M | $378.2M | ||
| Q3 25 | $99.0M | $554.4M | ||
| Q2 25 | $114.0M | $206.6M | ||
| Q1 25 | $58.0M | $38.9M | ||
| Q4 24 | — | $213.5M | ||
| Q3 24 | — | $394.7M | ||
| Q2 24 | $138.0M | $139.5M |
| Q1 26 | — | — | ||
| Q4 25 | $109.0M | $377.0M | ||
| Q3 25 | $24.0M | $551.4M | ||
| Q2 25 | $37.0M | $204.9M | ||
| Q1 25 | $-11.0M | $37.1M | ||
| Q4 24 | — | $210.5M | ||
| Q3 24 | — | $392.3M | ||
| Q2 24 | $54.0M | $137.3M |
| Q1 26 | — | — | ||
| Q4 25 | 5.0% | 22.6% | ||
| Q3 25 | 1.1% | 33.1% | ||
| Q2 25 | 1.8% | 12.4% | ||
| Q1 25 | -0.6% | 2.3% | ||
| Q4 24 | — | 13.3% | ||
| Q3 24 | — | 25.1% | ||
| Q2 24 | 2.8% | 8.9% |
| Q1 26 | — | — | ||
| Q4 25 | 5.0% | 0.1% | ||
| Q3 25 | 3.5% | 0.2% | ||
| Q2 25 | 3.7% | 0.1% | ||
| Q1 25 | 3.5% | 0.1% | ||
| Q4 24 | — | 0.2% | ||
| Q3 24 | — | 0.2% | ||
| Q2 24 | 4.3% | 0.1% |
| Q1 26 | — | — | ||
| Q4 25 | 1.95× | 1.91× | ||
| Q3 25 | 1.13× | 3.10× | ||
| Q2 25 | 3.17× | 1.32× | ||
| Q1 25 | 1.57× | 0.30× | ||
| Q4 24 | — | 1.27× | ||
| Q3 24 | — | 3.87× | ||
| Q2 24 | 1.82× | 3.44× |
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% |
THG
| Premiums earned | $1.6B | 92% |
| Other | $124.6M | 7% |
| Fees and other income | $6.2M | 0% |
