Quest Diagnostics
DGX

Quest Diagnostics (DGX) stock price, chart and financials

Price chart

+27.65% over 1Y
Oct 15, 2025Low $173.49 · High $247.45Oct 15, 2026

Financials

Company profile

Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 97% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,400 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.

Frequently asked questions

  • Is Quest Diagnostics (DGX) profitable?

    Yes. Quest Diagnostics earned $1.1B in net income over the trailing twelve months, a net margin of 9.63%.

  • How much revenue does Quest Diagnostics (DGX) make?

    Quest Diagnostics generated $11.6B in revenue over the trailing twelve months, up 10.21% year over year.

  • What is DGX's P/E ratio?

    Quest Diagnostics trades at 24.9 times trailing twelve-month earnings, on an EPS of $9.54.

  • How do I buy stock in Quest Diagnostics (DGX)?

    DGX trades commission-free with a Light Horse Securities brokerage account — from the mobile app, the web at Light Horse Dashboard, the trading API, or an AI agent connected over MCP. The trade panel on this page places the order once you are signed in.

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