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Side-by-side financial comparison of Atmus Filtration Technologies Inc. (ATMU) and Koppers Holdings Inc. (KOP). Click either name above to swap in a different company.
Atmus Filtration Technologies Inc. is the larger business by last-quarter revenue ($446.6M vs $432.7M, roughly 1.0× Koppers Holdings Inc.). Atmus Filtration Technologies Inc. runs the higher net margin — 10.7% vs 6.9%, a 3.9% gap on every dollar of revenue. On growth, Atmus Filtration Technologies Inc. posted the faster year-over-year revenue change (9.8% vs -9.3%). Atmus Filtration Technologies Inc. produced more free cash flow last quarter ($31.2M vs $28.5M). Over the past eight quarters, Atmus Filtration Technologies Inc.'s revenue compounded faster (2.3% CAGR vs -6.7%).
Atmus Filtration Technologies Inc. designs, manufactures and distributes high-performance filtration products and tailored solutions. Its portfolio covers air, fuel, oil and hydraulic filtration systems, serving global automotive, heavy-duty vehicle, industrial equipment and aerospace end markets, for both original equipment manufacturers and aftermarket replacement customers.
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.
ATMU vs KOP — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $446.6M | $432.7M |
| Net Profit | $48.0M | $29.7M |
| Gross Margin | 28.5% | 25.6% |
| Operating Margin | 15.8% | 11.5% |
| Net Margin | 10.7% | 6.9% |
| Revenue YoY | 9.8% | -9.3% |
| Net Profit YoY | 19.7% | 391.2% |
| EPS (diluted) | $0.58 | $1.44 |
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 | $446.6M | $432.7M | ||
| Q3 25 | $447.7M | $485.3M | ||
| Q2 25 | $453.5M | $504.8M | ||
| Q1 25 | $416.5M | $456.5M | ||
| Q4 24 | $406.7M | $477.0M | ||
| Q3 24 | $403.7M | $554.3M | ||
| Q2 24 | $432.6M | $563.2M | ||
| Q1 24 | $426.6M | $497.6M |
| Q4 25 | $48.0M | $29.7M | ||
| Q3 25 | $54.8M | $23.8M | ||
| Q2 25 | $59.9M | $16.4M | ||
| Q1 25 | $44.7M | $-13.9M | ||
| Q4 24 | $40.1M | $-10.2M | ||
| Q3 24 | $43.8M | $22.8M | ||
| Q2 24 | $56.2M | $26.8M | ||
| Q1 24 | $45.5M | $13.0M |
| Q4 25 | 28.5% | 25.6% | ||
| Q3 25 | 28.9% | 24.1% | ||
| Q2 25 | 28.9% | 22.6% | ||
| Q1 25 | 26.5% | 23.2% | ||
| Q4 24 | 26.3% | 17.5% | ||
| Q3 24 | 27.6% | 21.9% | ||
| Q2 24 | 30.5% | 21.6% | ||
| Q1 24 | 26.2% | 19.3% |
| Q4 25 | 15.8% | 11.5% | ||
| Q3 25 | 18.3% | 10.7% | ||
| Q2 25 | 18.0% | 7.7% | ||
| Q1 25 | 15.6% | 5.9% | ||
| Q4 24 | 13.4% | 1.3% | ||
| Q3 24 | 15.7% | 9.0% | ||
| Q2 24 | 18.4% | 10.2% | ||
| Q1 24 | 16.1% | 7.0% |
| Q4 25 | 10.7% | 6.9% | ||
| Q3 25 | 12.2% | 4.9% | ||
| Q2 25 | 13.2% | 3.2% | ||
| Q1 25 | 10.7% | -3.0% | ||
| Q4 24 | 9.9% | -2.1% | ||
| Q3 24 | 10.8% | 4.1% | ||
| Q2 24 | 13.0% | 4.8% | ||
| Q1 24 | 10.7% | 2.6% |
| Q4 25 | $0.58 | $1.44 | ||
| Q3 25 | $0.66 | $1.17 | ||
| Q2 25 | $0.72 | $0.81 | ||
| Q1 25 | $0.54 | $-0.68 | ||
| Q4 24 | $0.49 | $-0.47 | ||
| Q3 24 | $0.52 | $1.09 | ||
| Q2 24 | $0.67 | $1.25 | ||
| Q1 24 | $0.54 | $0.59 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $236.4M | — |
| Total DebtLower is stronger | $570.0M | $928.3M |
| Stockholders' EquityBook value | $378.5M | $574.0M |
| Total Assets | $1.4B | $1.9B |
| Debt / EquityLower = less leverage | 1.51× | 1.62× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $236.4M | — | ||
| Q3 25 | $218.3M | — | ||
| Q2 25 | $190.8M | — | ||
| Q1 25 | $183.3M | — | ||
| Q4 24 | $184.3M | — | ||
| Q3 24 | $196.8M | — | ||
| Q2 24 | $160.5M | — | ||
| Q1 24 | $149.2M | — |
| Q4 25 | $570.0M | $928.3M | ||
| Q3 25 | $577.5M | $932.9M | ||
| Q2 25 | $585.0M | $977.5M | ||
| Q1 25 | $588.8M | $989.0M | ||
| Q4 24 | $592.5M | $939.5M | ||
| Q3 24 | $596.2M | $989.4M | ||
| Q2 24 | $600.0M | $1.0B | ||
| Q1 24 | $600.0M | $877.6M |
| Q4 25 | $378.5M | $574.0M | ||
| Q3 25 | $336.7M | $545.6M | ||
| Q2 25 | $316.3M | $526.8M | ||
| Q1 25 | $265.3M | $498.0M | ||
| Q4 24 | $227.4M | $488.7M | ||
| Q3 24 | $221.2M | $532.3M | ||
| Q2 24 | $178.1M | $509.2M | ||
| Q1 24 | $121.8M | $505.8M |
| Q4 25 | $1.4B | $1.9B | ||
| Q3 25 | $1.3B | $1.9B | ||
| Q2 25 | $1.3B | $1.9B | ||
| Q1 25 | $1.2B | $1.9B | ||
| Q4 24 | $1.2B | $1.9B | ||
| Q3 24 | $1.2B | $2.0B | ||
| Q2 24 | $1.2B | $1.9B | ||
| Q1 24 | $1.1B | $1.8B |
| Q4 25 | 1.51× | 1.62× | ||
| Q3 25 | 1.72× | 1.71× | ||
| Q2 25 | 1.85× | 1.86× | ||
| Q1 25 | 2.22× | 1.99× | ||
| Q4 24 | 2.61× | 1.92× | ||
| Q3 24 | 2.70× | 1.86× | ||
| Q2 24 | 3.37× | 1.97× | ||
| Q1 24 | 4.93× | 1.74× |
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 | $47.5M | $45.1M |
| Free Cash FlowOCF − Capex | $31.2M | $28.5M |
| FCF MarginFCF / Revenue | 7.0% | 6.6% |
| Capex IntensityCapex / Revenue | 3.6% | 3.8% |
| Cash ConversionOCF / Net Profit | 0.99× | 1.52× |
| TTM Free Cash FlowTrailing 4 quarters | $148.8M | $67.5M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $47.5M | $45.1M | ||
| Q3 25 | $82.1M | $49.6M | ||
| Q2 25 | $44.4M | $50.5M | ||
| Q1 25 | $28.7M | $-22.7M | ||
| Q4 24 | $20.0M | $74.7M | ||
| Q3 24 | $70.7M | $29.8M | ||
| Q2 24 | $22.9M | $27.2M | ||
| Q1 24 | $-8.2M | $-12.3M |
| Q4 25 | $31.2M | $28.5M | ||
| Q3 25 | $68.9M | $37.6M | ||
| Q2 25 | $32.4M | $38.4M | ||
| Q1 25 | $16.3M | $-37.0M | ||
| Q4 24 | $10.0M | $56.1M | ||
| Q3 24 | $54.3M | $14.4M | ||
| Q2 24 | $11.3M | $10.1M | ||
| Q1 24 | $-18.8M | $-38.6M |
| Q4 25 | 7.0% | 6.6% | ||
| Q3 25 | 15.4% | 7.7% | ||
| Q2 25 | 7.1% | 7.6% | ||
| Q1 25 | 3.9% | -8.1% | ||
| Q4 24 | 2.5% | 11.8% | ||
| Q3 24 | 13.5% | 2.6% | ||
| Q2 24 | 2.6% | 1.8% | ||
| Q1 24 | -4.4% | -7.8% |
| Q4 25 | 3.6% | 3.8% | ||
| Q3 25 | 2.9% | 2.5% | ||
| Q2 25 | 2.6% | 2.4% | ||
| Q1 25 | 3.0% | 3.1% | ||
| Q4 24 | 2.5% | 3.9% | ||
| Q3 24 | 4.1% | 2.8% | ||
| Q2 24 | 2.7% | 3.0% | ||
| Q1 24 | 2.5% | 5.3% |
| Q4 25 | 0.99× | 1.52× | ||
| Q3 25 | 1.50× | 2.08× | ||
| Q2 25 | 0.74× | 3.08× | ||
| Q1 25 | 0.64× | — | ||
| Q4 24 | 0.50× | — | ||
| Q3 24 | 1.61× | 1.31× | ||
| Q2 24 | 0.41× | 1.01× | ||
| Q1 24 | -0.18× | -0.95× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
ATMU
| Fuel Products | $219.1M | 49% |
| Lube | $84.8M | 19% |
| Air | $74.0M | 17% |
| Other | $68.7M | 15% |
| Related Party | $14.9M | 3% |
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% |
