Quest DiagnosticsDGX
NYSE · USA · Segment 6 of 8 in the Medicine, pharma & life science value chain: Diagnostics
Nationwide clinical laboratory network for routine and advanced diagnostics.
Diagnostics: Tests, imaging and assays that support clinical decision-making.
Key metrics
Market cap
$23B
Price
$208.43
Today
+0.2%
Return YTD
+19.9%
Return 1Y
+19.8%
P/E
22.5
P/S
2.0
P/B
3.1
Data as of 2026-07-10 · updates daily after U.S. close
Theme exposure
In the value chain
Products & services
- Routine laboratory testing
- Advanced diagnostics
- Health data & insights
Competitors
- Labcorp
- Sonic Healthcare
- Exact Sciences
Risks
- Reimbursement pressure
- Competition from hospital labs
Same segment: Diagnostics
See where Quest Diagnostics sits in the full Medicine, pharma & life science map — every segment from upstream suppliers to end markets, with daily metrics.Open the Life science value chain →