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Quest Diagnostics Incorporated

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Quest Diagnostics Incorporated at a glance

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Quest Diagnostics Incorporated (DGX) is a Healthcare company in the Medical - Diagnostics & Research industry, headquartered in Secaucus, NJ, with about 57,000 employees. Its shares trade on NYSE, and its IPO date is December 17, 1996. With a market capitalization of $26.7 billion, DGX is a large-cap stock.

It trades an average of 1.0 million shares a day.

In its latest reported quarter (results released October 22, 2026), Quest Diagnostics Incorporated posted revenue of $3.1 billion and earnings of $3.00 per share, against estimates of $3.1 billion and $2.87.

Figures as of October 25, 2026, from market data providers. Descriptive only, not financial advice.

DGX: Frequently asked questions

As of October 25, 2026, Quest Diagnostics Incorporated has a market capitalization of $26.7 billion, making it a large-cap company in the Healthcare sector.

Figures update throughout the day from market data providers. Nothing on this page is financial advice.