Quest Diagnostics Incorporated (DGX)
Quest Diagnostics Incorporated at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.
Quest Diagnostics Incorporated (DGX) is a Medical - Diagnostics & Research company based in US with a market capitalization of $21.6B. Revenue grew 11.8% year-over-year and the company generated $1.4B in free cash flow. This page tracks DGX's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.
US · 55K employees · IPO Dec 17, 1996
Valuation
Valuation & price
$186.61as of May 17, 2026· -13.6% vs 52w high
21.3
P/E ratio
Latest-FY diluted EPS
3.02
P/B ratio
Market cap ÷ book equity
—
Dividend yield
Price — last 12 months
Fundamentals
Key fundamentals
$21.6B
Market cap
11.8%
Revenue growth (YoY)
31.9%
Gross margin
$1.4B
Free cash flow (USD)
$6.5B
Net debt
0.0%
Share dilution
2/5
Graham criteria passed
Defensive-investor screen
Healthcare
Sector
Trajectory
Long-term trends
Revenue by year
2016 → 2025
Free cash flow by year
2016 → 2025
Gross margin by year
2021 → 2025
Value screen
Graham defensive-investor tests
0
Insider buys · 90 days
0
Insider sells · 90 days
Earnings
Last report: 10-Q filed Apr 22, 2026
Next expected: not yet scheduled
On the tape
Recent SEC & insider activity
Questions
Frequently asked questions
What is Quest Diagnostics Incorporated's market cap?
Quest Diagnostics Incorporated (DGX) has a market capitalization of $21.6B.
What is DGX's P/E ratio?
DGX trades at a price-to-earnings ratio of 21.3, based on its latest fiscal-year diluted earnings per share and the most recent cached price.
What is DGX's price-to-book (P/B) ratio?
DGX trades at 3.02 times book value per share.
Are insiders buying DGX stock?
SEC Form 4 filings show no open-market insider buys at Quest Diagnostics Incorporated in the last 90 days (0 sells).
Same arena
Related companies in Medical - Diagnostics & Research
Timeline
Every filing, insider trade & earnings on a price-anchored timeline
Filing Analyzer
Search the actual 10-K / 10-Q text with AI research angles
News
Latest press coverage in one feed
Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.