Stocks Comparison
Quest Diagnostics vs RadNet: revenue, profit, margins and growth compared
Quest Diagnostics brought in $11B of revenue in fiscal 2025, RadNet $2B in fiscal 2025. Revenue changed by +11.8% at Quest Diagnostics and +11.5% at RadNet on the year before, so Quest Diagnostics grew faster. Quest Diagnostics kept 9.0% of its revenue as net profit, RadNet -0.9%.
Side by side, latest fiscal year
| DGX | RDNT | |
|---|---|---|
| Fiscal year ended | FY2025 (December 31, 2025) | FY2025 (December 31, 2025) |
| Revenue | $11B | $2B |
| Revenue growth | +11.8% | +11.5% |
| Net income | $992M | -$18.7M |
| Net margin | 9.0% | -0.9% |
| Free cash flow | $1.4B | n/a |
| Free cash flow margin | 12.3% | n/a |
| Earnings per share (diluted) | $8.75 | -$0.25 |
| Cash | $420M | $767.2M |
| Debt | $5.7B | $1.1B |
| Price to earnings | 27.0 | n/a |
| Market value | $26.1B | $5.6B |
| Dividend yield | n/a | n/a |
| Rank by revenue in sector | #43 of 523 · Health care | #108 of 523 · Health care |
Over the years
Questions about Quest Diagnostics and RadNet
Which is bigger by revenue, Quest Diagnostics or RadNet?
Quest Diagnostics is bigger by revenue: $11B in fiscal 2025, against $2B for RadNet in fiscal 2025.
Which keeps more of its revenue as profit, Quest Diagnostics or RadNet?
Quest Diagnostics had a net margin of 9.0% in fiscal 2025; RadNet had -0.9% in fiscal 2025.
Which grew revenue faster, Quest Diagnostics or RadNet?
In their latest fiscal years revenue changed by +11.8% at Quest Diagnostics and +11.5% at RadNet.
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.