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Side-by-side financial comparison of ASTRONICS CORP (ATRO) and Koppers Holdings Inc. (KOP). Click either name above to swap in a different company.
Koppers Holdings Inc. is the larger business by last-quarter revenue ($432.7M vs $240.1M, roughly 1.8× ASTRONICS CORP). On growth, ASTRONICS CORP posted the faster year-over-year revenue change (15.1% vs -9.3%). Koppers Holdings Inc. produced more free cash flow last quarter ($28.5M vs $15.8M). Over the past eight quarters, ASTRONICS CORP's revenue compounded faster (13.9% CAGR vs -6.7%).
Astronics Corporation is an American aerospace electronics corporation founded in 1968, headquartered in East Aurora, New York. It is traded on NASDAQ as Nasdaq: ATRO. It is known for lighting and electronics integrations on military, commercial, and business aircraft and semiconductor test systems.
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.
ATRO vs KOP — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $240.1M | $432.7M |
| Net Profit | — | $29.7M |
| Gross Margin | 33.3% | 25.6% |
| Operating Margin | 14.8% | 11.5% |
| Net Margin | — | 6.9% |
| Revenue YoY | 15.1% | -9.3% |
| Net Profit YoY | — | 391.2% |
| EPS (diluted) | $0.82 | $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 | $240.1M | $432.7M | ||
| Q3 25 | $211.4M | $485.3M | ||
| Q2 25 | $204.7M | $504.8M | ||
| Q1 25 | $205.9M | $456.5M | ||
| Q4 24 | $208.5M | $477.0M | ||
| Q3 24 | $203.7M | $554.3M | ||
| Q2 24 | $198.1M | $563.2M | ||
| Q1 24 | $185.1M | $497.6M |
| Q4 25 | — | $29.7M | ||
| Q3 25 | $-11.1M | $23.8M | ||
| Q2 25 | $1.3M | $16.4M | ||
| Q1 25 | $9.5M | $-13.9M | ||
| Q4 24 | — | $-10.2M | ||
| Q3 24 | $-11.7M | $22.8M | ||
| Q2 24 | $1.5M | $26.8M | ||
| Q1 24 | $-3.2M | $13.0M |
| Q4 25 | 33.3% | 25.6% | ||
| Q3 25 | 30.5% | 24.1% | ||
| Q2 25 | 25.8% | 22.6% | ||
| Q1 25 | 29.5% | 23.2% | ||
| Q4 24 | 29.8% | 17.5% | ||
| Q3 24 | 27.1% | 21.9% | ||
| Q2 24 | 28.0% | 21.6% | ||
| Q1 24 | 25.7% | 19.3% |
| Q4 25 | 14.8% | 11.5% | ||
| Q3 25 | 10.9% | 10.7% | ||
| Q2 25 | 2.3% | 7.7% | ||
| Q1 25 | 6.4% | 5.9% | ||
| Q4 24 | 4.3% | 1.3% | ||
| Q3 24 | 4.1% | 9.0% | ||
| Q2 24 | 3.8% | 10.2% | ||
| Q1 24 | 0.9% | 7.0% |
| Q4 25 | — | 6.9% | ||
| Q3 25 | -5.2% | 4.9% | ||
| Q2 25 | 0.6% | 3.2% | ||
| Q1 25 | 4.6% | -3.0% | ||
| Q4 24 | — | -2.1% | ||
| Q3 24 | -5.8% | 4.1% | ||
| Q2 24 | 0.8% | 4.8% | ||
| Q1 24 | -1.7% | 2.6% |
| Q4 25 | $0.82 | $1.44 | ||
| Q3 25 | $-0.31 | $1.17 | ||
| Q2 25 | $0.04 | $0.81 | ||
| Q1 25 | $0.26 | $-0.68 | ||
| Q4 24 | $-0.07 | $-0.47 | ||
| Q3 24 | $-0.34 | $1.09 | ||
| Q2 24 | $0.04 | $1.25 | ||
| Q1 24 | $-0.09 | $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 | $18.2M | — |
| Total DebtLower is stronger | — | $928.3M |
| Stockholders' EquityBook value | $140.1M | $574.0M |
| Total Assets | $706.7M | $1.9B |
| Debt / EquityLower = less leverage | — | 1.62× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $18.2M | — | ||
| Q3 25 | $13.5M | — | ||
| Q2 25 | $13.5M | — | ||
| Q1 25 | $24.8M | — | ||
| Q4 24 | $9.3M | — | ||
| Q3 24 | $5.2M | — | ||
| Q2 24 | $2.9M | — | ||
| Q1 24 | $5.3M | — |
| Q4 25 | — | $928.3M | ||
| Q3 25 | — | $932.9M | ||
| Q2 25 | — | $977.5M | ||
| Q1 25 | — | $989.0M | ||
| Q4 24 | — | $939.5M | ||
| Q3 24 | — | $989.4M | ||
| Q2 24 | — | $1.0B | ||
| Q1 24 | — | $877.6M |
| Q4 25 | $140.1M | $574.0M | ||
| Q3 25 | $108.9M | $545.6M | ||
| Q2 25 | $271.6M | $526.8M | ||
| Q1 25 | $266.8M | $498.0M | ||
| Q4 24 | $256.1M | $488.7M | ||
| Q3 24 | $249.2M | $532.3M | ||
| Q2 24 | $257.9M | $509.2M | ||
| Q1 24 | $251.7M | $505.8M |
| Q4 25 | $706.7M | $1.9B | ||
| Q3 25 | $682.2M | $1.9B | ||
| Q2 25 | $646.7M | $1.9B | ||
| Q1 25 | $662.2M | $1.9B | ||
| Q4 24 | $648.8M | $1.9B | ||
| Q3 24 | $651.6M | $2.0B | ||
| Q2 24 | $644.9M | $1.9B | ||
| Q1 24 | $630.0M | $1.8B |
| Q4 25 | — | 1.62× | ||
| Q3 25 | — | 1.71× | ||
| Q2 25 | — | 1.86× | ||
| Q1 25 | — | 1.99× | ||
| Q4 24 | — | 1.92× | ||
| Q3 24 | — | 1.86× | ||
| Q2 24 | — | 1.97× | ||
| Q1 24 | — | 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 | $27.6M | $45.1M |
| Free Cash FlowOCF − Capex | $15.8M | $28.5M |
| FCF MarginFCF / Revenue | 6.6% | 6.6% |
| Capex IntensityCapex / Revenue | 4.9% | 3.8% |
| Cash ConversionOCF / Net Profit | — | 1.52× |
| TTM Free Cash FlowTrailing 4 quarters | $43.1M | $67.5M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $27.6M | $45.1M | ||
| Q3 25 | $34.2M | $49.6M | ||
| Q2 25 | $-7.6M | $50.5M | ||
| Q1 25 | $20.6M | $-22.7M | ||
| Q4 24 | $26.4M | $74.7M | ||
| Q3 24 | $8.4M | $29.8M | ||
| Q2 24 | $-6.3M | $27.2M | ||
| Q1 24 | $2.0M | $-12.3M |
| Q4 25 | $15.8M | $28.5M | ||
| Q3 25 | $21.0M | $37.6M | ||
| Q2 25 | $-12.2M | $38.4M | ||
| Q1 25 | $18.5M | $-37.0M | ||
| Q4 24 | $23.2M | $56.1M | ||
| Q3 24 | $6.5M | $14.4M | ||
| Q2 24 | $-8.1M | $10.1M | ||
| Q1 24 | $439.0K | $-38.6M |
| Q4 25 | 6.6% | 6.6% | ||
| Q3 25 | 9.9% | 7.7% | ||
| Q2 25 | -6.0% | 7.6% | ||
| Q1 25 | 9.0% | -8.1% | ||
| Q4 24 | 11.1% | 11.8% | ||
| Q3 24 | 3.2% | 2.6% | ||
| Q2 24 | -4.1% | 1.8% | ||
| Q1 24 | 0.2% | -7.8% |
| Q4 25 | 4.9% | 3.8% | ||
| Q3 25 | 6.2% | 2.5% | ||
| Q2 25 | 2.2% | 2.4% | ||
| Q1 25 | 1.0% | 3.1% | ||
| Q4 24 | 1.5% | 3.9% | ||
| Q3 24 | 0.9% | 2.8% | ||
| Q2 24 | 0.9% | 3.0% | ||
| Q1 24 | 0.9% | 5.3% |
| Q4 25 | — | 1.52× | ||
| Q3 25 | — | 2.08× | ||
| Q2 25 | -5.81× | 3.08× | ||
| Q1 25 | 2.17× | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | 1.31× | ||
| Q2 24 | -4.08× | 1.01× | ||
| Q1 24 | — | -0.95× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
ATRO
| Product Line Electrical Power And Motion | $113.8M | 47% |
| Product Line Avionics | $32.0M | 13% |
| Military Aircraft | $28.0M | 12% |
| General Aviation | $22.3M | 9% |
| Government And Defense | $20.5M | 9% |
| Product Line Systems Certification | $13.2M | 6% |
| Product Line Structures | $3.7M | 2% |
| Product Line Other | $2.3M | 1% |
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% |
