DGXHealth careHealth Care Services
$255.68
Close on Nov 4, 2026
$28.1B
Quest Diagnostics runs medical lab tests, such as blood tests, for doctors, hospitals and patients.
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Annual figures, fiscal years 2021-2025.
Financial figures come from company filings with the U.S. Securities and Exchange Commission (SEC). Latest filing used: October 23, 2026. Stock prices are end-of-day closing prices.