DGX

Quest Diagnostics (DGX) Market Capitalization Overview
Market Cap: $27.71B as of Oct 30, 2026
$27.71B
$2.11B (8.21%)past month
As of Oct 30, 2026, Quest Diagnostics (DGX) has a market capitalization of $27.71B. Over the past 30 days, its market cap has decreased by -2.17%, while in the last 12 months, it has increased by 43.52%.
Market capitalization represents the total value of Quest Diagnostics as perceived by the stock market. It is calculated by multiplying the current stock price by the total number of outstanding shares.
Quest Diagnostics (DGX) Market Cap Formula = Stock Price * Shares Outstanding
The market cap of Quest Diagnostics (DGX) helps investors assess the company's size and compare it with competitors for better investment decisions.
Market capitalization represents the total value of Quest Diagnostics as perceived by the stock market. It is calculated by multiplying the current stock price by the total number of outstanding shares.
Quest Diagnostics (DGX) Market Cap Formula = Stock Price * Shares Outstanding
The market cap of Quest Diagnostics (DGX) helps investors assess the company's size and compare it with competitors for better investment decisions.
Quest Diagnostics (DGX) Market Cap & Key Trends
See Quest Diagnostics’s latest market capitalization, historical trends, and financial insights with AI-powered fundamental data and custom analysis.
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Quest Diagnostics (DGX) Market Cap History
| Date | Market Cap | Change |
|---|---|---|
| Oct 1, 2026 | $25.51B | -2.17% |
| Sep 1, 2026 | $26.08B | +1.84% |
| Aug 3, 2026 | $25.61B | +7.06% |
| Jul 1, 2026 | $23.92B | +12.39% |
| Jun 1, 2026 | $21.28B | -0.24% |
| May 1, 2026 | $21.33B | -1.80% |
| Apr 1, 2026 | $21.72B | -5.97% |
| Mar 2, 2026 | $23.10B | +12.24% |
| Feb 2, 2026 | $20.58B | +6.45% |
| Jan 2, 2026 | $19.34B | -5.43% |
Quest Diagnostics (DGX) End of Year Market Cap History
| Date | Market Cap | Change |
|---|---|---|
| 2026 | $27.71B | +43.52% |
| 2025 | $19.31B | +14.64% |
| 2024 | $16.84B | +8.62% |
| 2023 | $15.51B | -12.99% |
| 2022 | $17.82B | -16.06% |
| 2021 | $21.23B | — |
FAQs About Quest Diagnostics (DGX) Market Cap
As of Oct 30, 2026, the market capitalization of Quest Diagnostics (DGX) is $27.71B. Market cap represents the total value of a company’s outstanding shares and is a key indicator of its size in the stock market.
In the last 30 days, Quest Diagnostics’s market capitalization has increased by 8.21%, changing from $25.61B to $27.71B as of Oct 30, 2026.
In the last 3 months, Quest Diagnostics’s market capitalization has increased by —, changing from – to – as of –.
In the year 2025, Quest Diagnostics’s market capitalization increased from $16.84B in January to $19.31B in December, reflecting a 14.64% change.
In the past five years, Quest Diagnostics (DGX) has had a compound annual growth rate (CAGR) of -1.88% in market capitalization. This means its market cap has shrunk at an average rate of -1.88% per year.
Quest Diagnostics (DGX) Market Cap & Key Trends
See Quest Diagnostics’s latest market capitalization, historical trends, and financial insights with AI-powered fundamental data and custom analysis.
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