Stocks Comparison
Quest Diagnostics vs Labcorp: revenue, profit, margins and growth compared
Quest Diagnostics brought in $11B of revenue in fiscal 2025, Labcorp $14B in fiscal 2025. Revenue changed by +11.8% at Quest Diagnostics and +7.2% at Labcorp on the year before, so Quest Diagnostics grew faster. Quest Diagnostics kept 9.0% of its revenue as net profit, Labcorp 6.3%. Free cash flow was $1.4B at Quest Diagnostics and $1.2B at Labcorp.
Side by side, latest fiscal year
| DGX | LH | |
|---|---|---|
| Fiscal year ended | FY2025 (December 31, 2025) | FY2025 (December 31, 2025) |
| Revenue | $11B | $14B |
| Revenue growth | +11.8% | +7.2% |
| Net income | $992M | $876.5M |
| Net margin | 9.0% | 6.3% |
| Free cash flow | $1.4B | $1.2B |
| Free cash flow margin | 12.3% | 8.6% |
| Earnings per share (diluted) | $8.75 | $10.46 |
| Cash | $420M | $532.3M |
| Debt | $5.7B | $5.6B |
| Price to earnings | 27.0 | 29.6 |
| Market value | $26.1B | $25.1B |
| Dividend yield | n/a | 0.93% |
| Rank by revenue in sector | #43 of 523 · Health care | #35 of 523 · Health care |
Over the years
Questions about Quest Diagnostics and Labcorp
Which is bigger by revenue, Quest Diagnostics or Labcorp?
Labcorp is bigger by revenue: $14B in fiscal 2025, against $11B for Quest Diagnostics in fiscal 2025.
Which keeps more of its revenue as profit, Quest Diagnostics or Labcorp?
Quest Diagnostics had a net margin of 9.0% in fiscal 2025; Labcorp had 6.3% in fiscal 2025.
Which grew revenue faster, Quest Diagnostics or Labcorp?
In their latest fiscal years revenue changed by +11.8% at Quest Diagnostics and +7.2% at Labcorp.
Where do these numbers come from?
From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.