HomeQuest Diagnostics (DGX) Market Cap

Quest Diagnostics (DGX) Market Cap

Track the latest market capitalisation and see how the company's value has changed over time.

Quest Diagnostics's market cap October 2026

As of 21 October 2026, Quest Diagnostics's market cap was $26.25B

This places Quest Diagnostics among the largest companies by market capitalisation.

Market cap (market capitalisation) is the total value of a company's shares on the stock market – calculated by multiplying the number of outstanding shares by its current share price.

Fiscal year-end DGX market cap

The table below shows Quest Diagnostics's fiscal year-end market capitalisation, providing a reference point for its valuation aligned with its financial reporting periods. This helps illustrate how the company's market value has evolved across different years of operation.

Date	Quest Diagnostics market cap (USD)	Change (%)
2024	$16.84B	+8.62%
2023	$15.50B	-12.99%
2022	$17.82B	-16.05%
2021	$21.22B	N/A

Market capitalisation of similar companies

The table below shows other leading companies in the same sector include Mckesson, Health Catalyst, IQVIA, and Tempus AI.

Name	Market Capitalization
Mckesson	$126.12B
Health Catalyst	$122.36M
IQVIA	$44.93B
Tempus AI	$11.92B

Data is sourced from public company disclosures, including SEC filings and EDGAR. It is provided for informational purposes only and does not constitute investment advice or a recommendation to trade. Figures are believed to be accurate at the stated dates but may change without notice.

Past performance is not a reliable indicator of future results. Share prices are indicative and may differ from live market prices.

FAQ

What is Quest Diagnostics's current market cap?

As of 21 October 2026, Quest Diagnostics's market capitalisation is approximately $26.25B. However, it's important to note that market cap values fluctuate daily based on share price movements.

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