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How Quest Diagnostics (DGX) makes money
Quest Diagnostics (DGX) made $3.1B of revenue in the third quarter 2026 (Q3 2026), +10% from a year earlier. DIS business brought in $3.0B (98%); All other operating segments brought in $62.0M (2%). Of every dollar of revenue, 15¢ was left as operating profit, 10¢ was left as net earnings.
Drawing the Sankey…
Revenue by segment, Q3 2026
| Segment | Revenue | Share | Q/Q | Y/Y |
|---|---|---|---|---|
| DIS business | $3.0B | 98.0% | +2% | +10% |
| All other operating segments | $62.0M | 2.0% | -5% | +2% |
Where each dollar of revenue goes
| Line | Q3 2026 | % of revenue |
|---|---|---|
| Revenue | $3.1B | 100.0% |
| Operating profit | $479M | 15.5% |
| Income tax | $99.0M | 3.2% |
| Net earnings | $312M | 10.1% |
| Operating cash flow | $611M | 19.7% |
| Free cash flow | $445M | 14.4% |
Revenue, quarter by quarter
| Quarter | Revenue | Y/Y |
|---|---|---|
| Q3 2026 | $3.1B | +10% |
| Q2 2026 | $3.0B | +10% |
| Q1 2026 | $2.9B | +9% |
| Q4 2025 | $2.8B | +7% |
| Q3 2025 | $2.8B | +13% |
| Q2 2025 | $2.8B | +15% |
| Q1 2025 | $2.7B | +12% |
From Quest Diagnostics' 10-Q filed Oct 23, 2026 (on EDGAR).
Questions
How does Quest Diagnostics make money?
Quest Diagnostics (DGX) made $3.1B of revenue in the third quarter 2026 (Q3 2026), +10% from a year earlier. DIS business brought in $3.0B (98%); All other operating segments brought in $62.0M (2%). Of every dollar of revenue, 15¢ was left as operating profit, 10¢ was left as net earnings.
What is Quest Diagnostics' biggest business?
DIS business: $3.0B in the third quarter 2026, 98% of revenue, +10% from a year earlier.
What is Quest Diagnostics' profit margin?
Net earnings were $312M, 10.1% of revenue, in the third quarter 2026; the operating margin was 15.5%.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.