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Side-by-side financial comparison of Koppers Holdings Inc. (KOP) and Sotera Health Co (SHC). Click either name above to swap in a different company.
Koppers Holdings Inc. is the larger business by last-quarter revenue ($432.7M vs $303.4M, roughly 1.4× Sotera Health Co). Sotera Health Co runs the higher net margin — 11.5% vs 6.9%, a 4.6% gap on every dollar of revenue. On growth, Sotera Health Co posted the faster year-over-year revenue change (4.6% vs -9.3%). Sotera Health Co produced more free cash flow last quarter ($52.4M vs $28.5M). Over the past eight quarters, Sotera Health Co's revenue compounded faster (10.6% CAGR vs -6.7%).
Koppers is a global chemical and materials company based in Pittsburgh, Pennsylvania, United States. Its headquarters is an art-deco 1920s skyscraper, the Koppers Tower.
Sotera Health Co is a global provider of end-to-end medical safety solutions. It offers sterilization services, analytical laboratory testing, and regulatory advisory support for medical device manufacturers, pharmaceutical firms, and food and consumer product companies, helping clients meet industry standards and ensure product safety for end users worldwide.
KOP vs SHC — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $432.7M | $303.4M |
| Net Profit | $29.7M | $34.8M |
| Gross Margin | 25.6% | 54.7% |
| Operating Margin | 11.5% | 23.2% |
| Net Margin | 6.9% | 11.5% |
| Revenue YoY | -9.3% | 4.6% |
| Net Profit YoY | 391.2% | 182.8% |
| EPS (diluted) | $1.44 | $0.12 |
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.
| Q4 25 | $432.7M | $303.4M | ||
| Q3 25 | $485.3M | $311.3M | ||
| Q2 25 | $504.8M | $294.3M | ||
| Q1 25 | $456.5M | $254.5M | ||
| Q4 24 | $477.0M | $290.2M | ||
| Q3 24 | $554.3M | $285.5M | ||
| Q2 24 | $563.2M | $276.6M | ||
| Q1 24 | $497.6M | $248.2M |
| Q4 25 | $29.7M | $34.8M | ||
| Q3 25 | $23.8M | $48.4M | ||
| Q2 25 | $16.4M | $8.0M | ||
| Q1 25 | $-13.9M | $-13.3M | ||
| Q4 24 | $-10.2M | $12.3M | ||
| Q3 24 | $22.8M | $17.0M | ||
| Q2 24 | $26.8M | $8.8M | ||
| Q1 24 | $13.0M | $6.3M |
| Q4 25 | 25.6% | 54.7% | ||
| Q3 25 | 24.1% | 57.0% | ||
| Q2 25 | 22.6% | 56.6% | ||
| Q1 25 | 23.2% | 53.2% | ||
| Q4 24 | 17.5% | 56.6% | ||
| Q3 24 | 21.9% | 55.4% | ||
| Q2 24 | 21.6% | 55.2% | ||
| Q1 24 | 19.3% | 51.2% |
| Q4 25 | 11.5% | 23.2% | ||
| Q3 25 | 10.7% | 23.4% | ||
| Q2 25 | 7.7% | 6.4% | ||
| Q1 25 | 5.9% | -5.8% | ||
| Q4 24 | 1.3% | 30.0% | ||
| Q3 24 | 9.0% | 28.2% | ||
| Q2 24 | 10.2% | 27.8% | ||
| Q1 24 | 7.0% | 21.4% |
| Q4 25 | 6.9% | 11.5% | ||
| Q3 25 | 4.9% | 15.5% | ||
| Q2 25 | 3.2% | 2.7% | ||
| Q1 25 | -3.0% | -5.2% | ||
| Q4 24 | -2.1% | 4.2% | ||
| Q3 24 | 4.1% | 6.0% | ||
| Q2 24 | 4.8% | 3.2% | ||
| Q1 24 | 2.6% | 2.5% |
| Q4 25 | $1.44 | $0.12 | ||
| Q3 25 | $1.17 | $0.17 | ||
| Q2 25 | $0.81 | $0.03 | ||
| Q1 25 | $-0.68 | $-0.05 | ||
| Q4 24 | $-0.47 | $0.05 | ||
| Q3 24 | $1.09 | $0.06 | ||
| Q2 24 | $1.25 | $0.03 | ||
| Q1 24 | $0.59 | $0.02 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | — | $344.6M |
| Total DebtLower is stronger | $928.3M | $2.1B |
| Stockholders' EquityBook value | $574.0M | $606.0M |
| Total Assets | $1.9B | $3.3B |
| Debt / EquityLower = less leverage | 1.62× | 3.53× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $344.6M | ||
| Q3 25 | — | $299.2M | ||
| Q2 25 | — | $332.4M | ||
| Q1 25 | — | $304.4M | ||
| Q4 24 | — | $277.2M | ||
| Q3 24 | — | $306.7M | ||
| Q2 24 | — | $246.1M | ||
| Q1 24 | — | $261.1M |
| Q4 25 | $928.3M | $2.1B | ||
| Q3 25 | $932.9M | $2.1B | ||
| Q2 25 | $977.5M | $2.2B | ||
| Q1 25 | $989.0M | $2.2B | ||
| Q4 24 | $939.5M | $2.2B | ||
| Q3 24 | $989.4M | $2.2B | ||
| Q2 24 | $1.0B | $2.2B | ||
| Q1 24 | $877.6M | $2.2B |
| Q4 25 | $574.0M | $606.0M | ||
| Q3 25 | $545.6M | $550.5M | ||
| Q2 25 | $526.8M | $511.3M | ||
| Q1 25 | $498.0M | $414.1M | ||
| Q4 24 | $488.7M | $404.9M | ||
| Q3 24 | $532.3M | $470.2M | ||
| Q2 24 | $509.2M | $422.8M | ||
| Q1 24 | $505.8M | $429.4M |
| Q4 25 | $1.9B | $3.3B | ||
| Q3 25 | $1.9B | $3.2B | ||
| Q2 25 | $1.9B | $3.2B | ||
| Q1 25 | $1.9B | $3.1B | ||
| Q4 24 | $1.9B | $3.1B | ||
| Q3 24 | $2.0B | $3.1B | ||
| Q2 24 | $1.9B | $3.1B | ||
| Q1 24 | $1.8B | $3.1B |
| Q4 25 | 1.62× | 3.53× | ||
| Q3 25 | 1.71× | 3.89× | ||
| Q2 25 | 1.86× | 4.34× | ||
| Q1 25 | 1.99× | 5.36× | ||
| Q4 24 | 1.92× | 5.49× | ||
| Q3 24 | 1.86× | 4.73× | ||
| Q2 24 | 1.97× | 5.26× | ||
| Q1 24 | 1.74× | 5.19× |
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 | $45.1M | $103.1M |
| Free Cash FlowOCF − Capex | $28.5M | $52.4M |
| FCF MarginFCF / Revenue | 6.6% | 17.3% |
| Capex IntensityCapex / Revenue | 3.8% | 16.7% |
| Cash ConversionOCF / Net Profit | 1.52× | 2.96× |
| TTM Free Cash FlowTrailing 4 quarters | $67.5M | $149.2M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $45.1M | $103.1M | ||
| Q3 25 | $49.6M | $71.2M | ||
| Q2 25 | $50.5M | $57.4M | ||
| Q1 25 | $-22.7M | $55.5M | ||
| Q4 24 | $74.7M | $55.7M | ||
| Q3 24 | $29.8M | $97.5M | ||
| Q2 24 | $27.2M | $61.3M | ||
| Q1 24 | $-12.3M | $9.7M |
| Q4 25 | $28.5M | $52.4M | ||
| Q3 25 | $37.6M | $35.0M | ||
| Q2 25 | $38.4M | $26.2M | ||
| Q1 25 | $-37.0M | $35.6M | ||
| Q4 24 | $56.1M | $-10.2M | ||
| Q3 24 | $14.4M | $61.1M | ||
| Q2 24 | $10.1M | $19.4M | ||
| Q1 24 | $-38.6M | $-25.2M |
| Q4 25 | 6.6% | 17.3% | ||
| Q3 25 | 7.7% | 11.2% | ||
| Q2 25 | 7.6% | 8.9% | ||
| Q1 25 | -8.1% | 14.0% | ||
| Q4 24 | 11.8% | -3.5% | ||
| Q3 24 | 2.6% | 21.4% | ||
| Q2 24 | 1.8% | 7.0% | ||
| Q1 24 | -7.8% | -10.2% |
| Q4 25 | 3.8% | 16.7% | ||
| Q3 25 | 2.5% | 11.6% | ||
| Q2 25 | 2.4% | 10.6% | ||
| Q1 25 | 3.1% | 7.8% | ||
| Q4 24 | 3.9% | 22.7% | ||
| Q3 24 | 2.8% | 12.7% | ||
| Q2 24 | 3.0% | 15.2% | ||
| Q1 24 | 5.3% | 14.1% |
| Q4 25 | 1.52× | 2.96× | ||
| Q3 25 | 2.08× | 1.47× | ||
| Q2 25 | 3.08× | 7.21× | ||
| Q1 25 | — | — | ||
| Q4 24 | — | 4.52× | ||
| Q3 24 | 1.31× | 5.73× | ||
| Q2 24 | 1.01× | 7.00× | ||
| Q1 24 | -0.95× | 1.53× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
KOP
| Other | $127.8M | 30% |
| Railroad Treated Products | $119.0M | 28% |
| Utility Poles | $79.8M | 18% |
| Pitch And Related Products | $74.1M | 17% |
| Carbon Black Feedstock And Distillates | $14.4M | 3% |
| Railroad Infrastructure Products And Services | $9.9M | 2% |
| Phthalic Anhydride Naphthalene And Other Chemicals | $7.7M | 2% |
SHC
| Transferred At Point In Time | $198.4M | 65% |
| Nelson Labs | $55.2M | 18% |
| Nordion | $49.8M | 16% |
