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Buy Day today: Neutral (53) Mixed market breadth · no major macro event

Quest Diagnostics Incorporated (DGX)

Healthcare Diagnostics & Research
233.00 $
Closing price · As of: 31. Jul 2026
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Basics

Market Cap
25.9$B
Shares Outstanding
111Mio.
Float
99.5%
Beta
0.6

Performance

Perf. 1M
8.40%
Perf. 3M
9.20%
Perf. 6M
22.00%
YTD Performance (%)
14.60%
52-Week-High Distance
-3.4%

Valuation

P/E
26.3
Forward P/E
20.1
PEG
1.7
P/B
3.5
P/S
2.2
EV/EBITDA
13.4
Price/FCF
19.2

Profitability

Gross Margin
33.3%
EBIT Margin
14.2%
Net Margin
9.1%
Return on Equity
14.5%
Return on Assets
6.4%

Balance Sheet & Safety

Equity Ratio
44.2%
negative equity
Debt/Equity
-4.0
fortress balance sheet
Altman Z″
6.91
Piotroski
7 out of 9

Growth

Sales Growth Last Quarter
9.20%
EPS Growth Last Quarter
15.50%
Sales Growth (Year)
11.78%
Forward Sales Growth
4.42%
Forward EPS Growth
8.40%

Dividend

Dividend Yield
1.59%
Dividend Per Share (TTM)
3.32$
Payout Ratio
32.7%
Years Without a Cut
2Years
Increase Streak
2Years

Quality & Screener

Stage
2
RS Rating
44
EPS Rating
62
Piotroski
7 out of 9
Fundamental Rating
B (58 out of 100)
fortress balance sheet
Altman Z″
6.91

AI Rating

Not yet rated — we only show a category once an SEC-backed file with at least two cited passages is available. How the Rating Is Built

Highlighted are things our editorial team noticed: green = stands out as strong, red = deserves a closer look. No single metric is a verdict on its own — always read it in context.

Sales Per Quarter ($M)
2024: Q4 · 2,621.0 $M Q4 2025: Q1 · 2,652.0 $M Q1 2025: Q2 · 2,761.0 $M Q2 2025: Q3 · 2,816.0 $M Q3 2025: Q4 · 2,806.0 $M Q4 2026: Q1 · 2,895.0 $M Q1 2026: Q2 · 3,043.0 $M Q2
Earnings Per Share Per Quarter ($)
2024: Q4 · 1.96 $ Q4 2025: Q1 · 1.95 $ Q1 2025: Q2 · 2.50 $ Q2 2025: Q3 · 2.17 $ Q3 2025: Q4 · 2.19 $ Q4 2026: Q1 · 2.25 $ Q1 2026: Q2 · 2.84 $ Q2
Net Margin Per Quarter (%)
2024: Q4 · 8.5 % Q4 2025: Q1 · 8.3 % Q1 2025: Q2 · 10.2 % Q2 2025: Q3 · 8.7 % Q3 2025: Q4 · 8.7 % Q4 2026: Q1 · 8.7 % Q1 2026: Q2 · 10.5 % Q2
Operating Cash Flow Per Quarter ($M)
2024: Q4 · 464.0 $M Q4 2025: Q1 · 314.0 $M Q1 2025: Q2 · 544.0 $M Q2 2025: Q3 · 563.0 $M Q3 2025: Q4 · 465.0 $M Q4 2026: Q1 · 278.0 $M Q1 2026: Q2 · 597.0 $M Q2
Free Cash Flow Per Quarter ($M)
2024: Q4 · 341.0 $M Q4 2025: Q1 · 197.0 $M Q1 2025: Q2 · 436.0 $M Q2 2025: Q3 · 419.0 $M Q3 2025: Q4 · 307.0 $M Q4 2026: Q1 · 164.0 $M Q1 2026: Q2 · 459.0 $M Q2
Sales Growth vs. Year-Ago Quarter (%)
2024: Q4 · 14.6 % Q4 2025: Q1 · 12.1 % Q1 2025: Q2 · 15.2 % Q2 2025: Q3 · 13.2 % Q3 2025: Q4 · 7.1 % Q4 2026: Q1 · 9.2 % Q1 2026: Q2 · 10.2 % Q2
EPS Growth vs. Year-Ago Quarter (%)
2024: Q4 · 15.6 % Q4 2025: Q1 · 12.4 % Q1 2025: Q2 · 22.1 % Q2 2025: Q3 · 8.4 % Q3 2025: Q4 · 11.3 % Q4 2026: Q1 · 15.6 % Q1 2026: Q2 · 13.6 % Q2
Price Change in Quarter (%)
2024: Q4 · -2.3 % Q4 2025: Q1 · 12.7 % Q1 2025: Q2 · 6.7 % Q2 2025: Q3 · 6.6 % Q3 2025: Q4 · -8.5 % Q4 2026: Q1 · 13.5 % Q1

Quarterly Figures

Quarterly Figures
Quarter EPS (Earnings Per Share) EPS YoY (%) Sales ($M) Sales YoY (%) Net Margin (%) OCF ($M) FCF ($M)
2024: Q4 1.96 15.60 2,621 14.60 8.50 464 341
2025: Q1 1.95 12.40 2,652 12.10 8.30 314 197
2025: Q2 2.50 22.10 2,761 15.20 10.20 544 436
2025: Q3 2.17 8.40 2,816 13.20 8.70 563 419
2025: Q4 2.19 11.30 2,806 7.10 8.70 465 307
2026: Q1 2.25 15.60 2,895 9.20 8.70 278 164
2026: Q2 2.84 13.60 3,043 10.20 10.50 597 459
What Do These Terms Mean?
EPS (Earnings Per Share):
Quarterly profit divided by the total share count — how much of the profit works out to a single share.
YoY (Year over Year):
Change versus the same quarter a year ago — this is how you compare without seasonal distortion (e.g. the holiday shopping season).
Sales:
All revenue for the quarter, before any costs are deducted — the top line of the income statement.
Net Margin:
What percentage of sales is left over as profit in the end. Negative means the company is posting a loss.
OCF (Operating Cash Flow):
The cash that actually flows into the till from the core business during the quarter — harder to dress up than book profit.
FCF (Free Cash Flow):
Operating cash flow minus capital expenditures — the money that's genuinely free to use, say for paying down debt, buybacks, or dividends.

About the Company

Quest Diagnostics Incorporated bietet diagnostische Tests und Dienste in den USA an. Das Unternehmen entwickelt und liefert diagnostische Informationsdienste wie Routine-, Nichtroutine- und fortgeschrittene klinische Tests, anatomisch-pathologische Tests und weitere.

Employees57,000
HeadquartersSecaucus, NJ
Websitequestdiagnostics.com
IPO Date17. Dec 1996
Next Earnings23. Jul 2026

Management

Management
Name Title Birth Year
James E. Davis Chairman, CEO & President 1963
Sam A. Samad Executive VP & CFO 1970
Michael E. Prevoznik J.D. Senior VP & General Counsel 1962
Catherine T. Doherty Executive Vice President of Regional Businesses 1963
Karthik Kuppusamy Ph.D. Senior Vice President of Clinical Solutions 1970
Michael J. Deppe Senior VP, Corporate Controller & Chief Accounting Officer 1967
Murali Balakumar Senior VP and Chief Information & Digital Officer
Dan Haemmerle Interim VP of Investor Relations & VP Finance
Kristin Lee Wallace Esq. Senior VP & Chief Compliance Officer
Garry Clark Senior VP and Chief Marketing & Communications Officer

Executives per the latest required filings; titles kept in their original language. Source: fundamental data.

Insider Transactions

Insider Transactions
Date Person Role Type Shares Price Value
28. Jul 2026 Delaney Mark E SVP & Chief Commercial Officer Sell 1,600 235.18 376,288
22. Jul 2026 Kuppusamy Karthik SVP, Clinical Solutions Other 37 206.81 7,652
22. Jul 2026 Carter Robert B Director Other 11 206.80 2,275
22. Jul 2026 Gregg Vicky B Director Other 72 206.81 14,890
22. Jul 2026 Plewman Patrick SVP for Diagnostic Services Other 46 206.81 9,513
22. Jul 2026 Main Timothy L Director Other 21 206.81 4,343
22. Jul 2026 Samad Sam Executive Vice President & CFO Other 102 206.81 21,094
22. Jul 2026 Lassiter Wright III Director Other 6 206.81 1,241
22. Jul 2026 Delaney Mark E SVP & Chief Commercial Officer Other 34 206.81 7,031

Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.

View all insider transactions →

Chart

Interactive price chart (TradingView).

Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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