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Quest Diagnostics (DGX) reported revenue of $3.04B in Q2 2026.
Quest DiagnosticsQuest Diagnostics is a US clinical laboratory company. It processed about 244 million test requisitions in 2025 and serves about half of US physicians and hospitals.
Quest Diagnostics (DGX) is a Health Care Services company. Quest Diagnostics is a US clinical laboratory company. It processed about 244 million test requisitions in 2025 and serves about half of US physicians and hospitals. It was founded in 1967, is headquartered in Secaucus, New Jersey and employs about 57,000 people.
Track Quest Diagnostics's quarterly and annual revenue, gross and net margins, and EPS in the interactive charts on this page. Data last updated August 26, 2026.
Sterling groups Quest Diagnostics in the Healthcare sector, alongside HCA Healthcare (HCA), Universal Health Services (UHS), DaVita (DVA) and Labcorp (LH).
If you are researching Quest Diagnostics, also look at HCA Healthcare (HCA), Universal Health Services (UHS) and DaVita (DVA). You can compare all of them side by side or browse the full Healthcare sector on Sterling.
Q3 2016-Q2 2026
Q3 2016-Q2 2026