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Side-by-side financial comparison of Quest Diagnostics (DGX) and Corning Inc. (GLW). Click either name above to swap in a different company.
Corning Inc. is the larger business by last-quarter revenue ($4.2B vs $2.9B, roughly 1.5× Quest Diagnostics). Corning Inc. runs the higher net margin — 12.8% vs 9.7%, a 3.1% gap on every dollar of revenue. On growth, Corning Inc. posted the faster year-over-year revenue change (20.4% vs 9.2%). Over the past eight quarters, Corning Inc.'s revenue compounded faster (19.0% CAGR vs 9.9%).
Quest Diagnostics Incorporated is an American clinical laboratory. A Fortune 500 company, Quest operates in the United States, Puerto Rico, Mexico, and Brazil. Quest also maintains collaborative agreements with various hospitals and clinics across the globe.
Corning Incorporated is an American multinational technology company specializing in glass, ceramics, and related materials and technologies including advanced optics, primarily for industrial and scientific applications. Founded in 1851, the company was called Corning Glass Works for most of its history. Corning was known during the 20th century for its consumer product lines, such as including CorningWare and Visions Pyroceram-based cookware, Corelle Vitrelle tableware, and Pyrex glass bake...
DGX vs GLW — Head-to-Head
Income Statement — Q1 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $2.9B | $4.2B |
| Net Profit | $281.0M | $540.0M |
| Gross Margin | — | 35.5% |
| Operating Margin | 15.4% | 15.9% |
| Net Margin | 9.7% | 12.8% |
| Revenue YoY | 9.2% | 20.4% |
| Net Profit YoY | 12.0% | 74.2% |
| EPS (diluted) | $2.24 | $0.61 |
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 | $2.9B | — | ||
| Q4 25 | $2.8B | $4.2B | ||
| Q3 25 | $2.8B | $4.1B | ||
| Q2 25 | $2.8B | $3.9B | ||
| Q1 25 | $2.7B | $3.5B | ||
| Q4 24 | $2.6B | $3.5B | ||
| Q3 24 | $2.5B | $3.4B | ||
| Q2 24 | $2.4B | $3.3B |
| Q1 26 | $281.0M | — | ||
| Q4 25 | $245.0M | $540.0M | ||
| Q3 25 | $245.0M | $430.0M | ||
| Q2 25 | $282.0M | $469.0M | ||
| Q1 25 | $220.0M | $157.0M | ||
| Q4 24 | $222.0M | $310.0M | ||
| Q3 24 | $226.0M | $-117.0M | ||
| Q2 24 | $229.0M | $104.0M |
| Q1 26 | — | — | ||
| Q4 25 | 32.4% | 35.5% | ||
| Q3 25 | 33.7% | 37.1% | ||
| Q2 25 | 34.2% | 36.0% | ||
| Q1 25 | 32.5% | 35.2% | ||
| Q4 24 | 32.7% | 34.2% | ||
| Q3 24 | 32.6% | 33.5% | ||
| Q2 24 | 33.5% | 29.2% |
| Q1 26 | 15.4% | — | ||
| Q4 25 | 13.8% | 15.9% | ||
| Q3 25 | 13.7% | 14.4% | ||
| Q2 25 | 15.9% | 14.8% | ||
| Q1 25 | 13.0% | 12.9% | ||
| Q4 24 | 13.8% | 11.2% | ||
| Q3 24 | 13.3% | 8.9% | ||
| Q2 24 | 14.8% | 5.7% |
| Q1 26 | 9.7% | — | ||
| Q4 25 | 8.7% | 12.8% | ||
| Q3 25 | 8.7% | 10.5% | ||
| Q2 25 | 10.2% | 12.1% | ||
| Q1 25 | 8.3% | 4.5% | ||
| Q4 24 | 8.5% | 8.9% | ||
| Q3 24 | 9.1% | -3.5% | ||
| Q2 24 | 9.6% | 3.2% |
| Q1 26 | $2.24 | — | ||
| Q4 25 | $2.18 | $0.61 | ||
| Q3 25 | $2.16 | $0.50 | ||
| Q2 25 | $2.47 | $0.54 | ||
| Q1 25 | $1.94 | $0.18 | ||
| Q4 24 | $1.95 | $0.36 | ||
| Q3 24 | $1.99 | $-0.14 | ||
| Q2 24 | $2.03 | $0.12 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $393.0M | $1.5B |
| Total DebtLower is stronger | $5.7B | $7.6B |
| Stockholders' EquityBook value | $7.7B | $11.8B |
| Total Assets | $16.7B | $31.0B |
| Debt / EquityLower = less leverage | 0.74× | 0.65× |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $393.0M | — | ||
| Q4 25 | $420.0M | $1.5B | ||
| Q3 25 | $432.0M | — | ||
| Q2 25 | $319.0M | — | ||
| Q1 25 | $188.0M | — | ||
| Q4 24 | $549.0M | $1.8B | ||
| Q3 24 | $764.0M | — | ||
| Q2 24 | $271.0M | — |
| Q1 26 | $5.7B | — | ||
| Q4 25 | $5.2B | $7.6B | ||
| Q3 25 | $5.2B | $7.4B | ||
| Q2 25 | $5.2B | $6.7B | ||
| Q1 25 | $5.9B | $7.0B | ||
| Q4 24 | $5.6B | $6.9B | ||
| Q3 24 | $5.6B | $7.1B | ||
| Q2 24 | $3.8B | $6.9B |
| Q1 26 | $7.7B | — | ||
| Q4 25 | $7.2B | $11.8B | ||
| Q3 25 | $7.3B | $11.5B | ||
| Q2 25 | $7.2B | $11.1B | ||
| Q1 25 | $6.9B | $10.7B | ||
| Q4 24 | $6.8B | $10.7B | ||
| Q3 24 | $6.8B | $11.1B | ||
| Q2 24 | $6.6B | $10.6B |
| Q1 26 | $16.7B | — | ||
| Q4 25 | $16.2B | $31.0B | ||
| Q3 25 | $16.2B | $29.9B | ||
| Q2 25 | $16.0B | $28.7B | ||
| Q1 25 | $15.8B | $27.4B | ||
| Q4 24 | $16.2B | $27.7B | ||
| Q3 24 | $16.1B | $28.3B | ||
| Q2 24 | $13.9B | $27.2B |
| Q1 26 | 0.74× | — | ||
| Q4 25 | 0.72× | 0.65× | ||
| Q3 25 | 0.71× | 0.64× | ||
| Q2 25 | 0.72× | 0.60× | ||
| Q1 25 | 0.85× | 0.65× | ||
| Q4 24 | 0.83× | 0.64× | ||
| Q3 24 | 0.83× | 0.64× | ||
| Q2 24 | 0.58× | 0.65× |
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 | $278.0M | $1.1B |
| Free Cash FlowOCF − Capex | — | $620.0M |
| FCF MarginFCF / Revenue | — | 14.7% |
| Capex IntensityCapex / Revenue | 3.9% | 10.2% |
| Cash ConversionOCF / Net Profit | 0.99× | 1.95× |
| TTM Free Cash FlowTrailing 4 quarters | — | $1.4B |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $278.0M | — | ||
| Q4 25 | $465.0M | $1.1B | ||
| Q3 25 | $563.0M | $784.0M | ||
| Q2 25 | $544.0M | $708.0M | ||
| Q1 25 | $314.0M | $151.0M | ||
| Q4 24 | $464.0M | $623.0M | ||
| Q3 24 | $356.0M | $699.0M | ||
| Q2 24 | $360.0M | $521.0M |
| Q1 26 | — | — | ||
| Q4 25 | $307.0M | $620.0M | ||
| Q3 25 | $419.0M | $450.0M | ||
| Q2 25 | $436.0M | $400.0M | ||
| Q1 25 | $197.0M | $-57.0M | ||
| Q4 24 | $341.0M | $369.0M | ||
| Q3 24 | $250.0M | $482.0M | ||
| Q2 24 | $268.0M | $279.0M |
| Q1 26 | — | — | ||
| Q4 25 | 10.9% | 14.7% | ||
| Q3 25 | 14.9% | 11.0% | ||
| Q2 25 | 15.8% | 10.4% | ||
| Q1 25 | 7.4% | -1.7% | ||
| Q4 24 | 13.0% | 10.5% | ||
| Q3 24 | 10.0% | 14.2% | ||
| Q2 24 | 11.2% | 8.6% |
| Q1 26 | 3.9% | — | ||
| Q4 25 | 5.6% | 10.2% | ||
| Q3 25 | 5.1% | 8.1% | ||
| Q2 25 | 3.9% | 8.0% | ||
| Q1 25 | 4.4% | 6.0% | ||
| Q4 24 | 4.7% | 7.3% | ||
| Q3 24 | 4.3% | 6.4% | ||
| Q2 24 | 3.8% | 7.4% |
| Q1 26 | 0.99× | — | ||
| Q4 25 | 1.90× | 1.95× | ||
| Q3 25 | 2.30× | 1.82× | ||
| Q2 25 | 1.93× | 1.51× | ||
| Q1 25 | 1.43× | 0.96× | ||
| Q4 24 | 2.09× | 2.01× | ||
| Q3 24 | 1.58× | — | ||
| Q2 24 | 1.57× | 5.01× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
