Quest Diagnostics Market Cap 2012-2026 | DGX

Quest Diagnostics market cap history and chart from 2012 to 2026. Market capitalization (or market value) is the most commonly used method of measuring the size of a publicly traded company and is calculated by multiplying the current stock price by the number of shares outstanding. Quest Diagnostics market cap as of September 15, 2026 is $27.27B.
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Sector Industry Market Cap Revenue
Medical Medical - Outpatient & Home Care $27.271B $11.035B
Quest Diagnostics, Inc. is the provider of commercial laboratory services. Quest provides lab testing services to physicians, hospitals, managed care organizations, employers, government institutions and other clinical laboratories. The company consists of 2 business groups - Diagnostic Information Services and Diagnostic Solutions. The company's focus is on two elements - to accelerate growth and to drive operational excellence. Restore Growth: The company has adopted seven tactical approaches to accelerate growth such as sales and marketing; development of esoteric testing through a disease focus; partnerships with hospitals and successful testing of international IDNs; creation of value from information assets; leadership in companion diagnostics; extension into adjacent markets. Drive Operational excellence: The company plans to focus on four strategic requirements - to enhance end-to-end customer value chain, enterprise information technology architecture, business performance tools and cost excellence.
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