Quest Diagnostics $DGX Read from its own SEC filings · nothing written, nothing inferred

🫧 Edgar looked up Quest Diagnostics Inc ($DGX). Last filing: 8-K (5.02 Departure or Election of Directors; Appointment of Officers), 2026-10-06. 10 event filings (8-K) in the past twelve months.

🔖 Exposure: revenue $11.0B (FY2025), total debt $5.7B. Experience: revenue up 11.8% on the year, up 0.6% a year over 4 years; operating margin 14.1%, up from 13.6%. Soundness: equity 44.2% of assets, return on equity 14.6%, payout 33.7% of profit, dividend per share up 7 years running. Credibility: four or more audited years, reasonable weight. Range: 80% of past cases like this landed between $10.3B and $12.9B next year (method v4.1: its own 4-year record of growth weighed at 50% against $10B+ filers; across 2019–2025, 69.0% landed inside, 83.4% on the one year the method never saw). In a shock year the stress range is $9.3B to $14.1B. A statistical range, not company guidance. Against peers (17 filers, $50M+ revenue, services-medical laboratories): operating margin 14.1% against a -12.4% median; growth 11.8% against 13.8%.

Next year, 80%$10.3B–$12.9B
Growth, on the year11.8%
Operating margin14.1%
Equity of assets44.2%
Credibility50%
Track record11 of 15
Quest Diagnostics Inc against its own record and its peers
Operating marginPeer median -12.4%14.1%Revenue, on the yearPeer median 13.8%11.8%Equity of assetsPeer median 65.3%44.2%Return on equityPeer median -7.0%14.6%Payout of profit33.7%Gold tick: the median of 15–17 peers with $50M+ revenue in services-medical laboratories
Handed back now, or kept to compound · of each dollar of profit
33.7% paid out66.3% keptHanded back per share$1.8up 7 years runningGrowth its own profit can fund9.7%managed 11.8% last year

Gold paid out, navy kept. Kept share × return on equity = the growth it can fund itself. Facts from the filings, not a recommendation.

Speed and cash · fiscal 2025

Cash Compass🌊 In between · no clear cash pattern yet
Inside viewTurns 17.1% of revenue into operating cash; revenue growing 3.7% a year over three years; pays and raised its dividend.
Outside viewAmong $10B+ companies: 59th percentile for cash, 46th for growth. cash growth

Both views must agree for a label · a description, not advice.

Cash flow (op · inv · fin · free)$1.9B · −$631M · −$1.4B · $1.4B
Investment book (cash · short · long)$420M · — · — · current ratio 1.04
Revenue swing · equity of assets9.8% · 44.2%

Quest Diagnostics is growing slower than its size class, with revenue that swings more. Its own audited SEC figures.

The figures, as filed

Fiscal year end2025-12-31
Revenue$11.0B
Revenue, on the year11.8%
Revenue, a year over the record0.6%
Operating margin14.1%
Operating margin, prior year13.6%
Net margin9.5%
Research and developmentnot filed separately
Total debt$5.7B
Equity of assets44.2%
Return on equity14.6%
Payout of profit33.7%
Dividend per share$1.8 · up 7 years running
Earnings per share$8.87
Book value per share$63.45
Revenue per share$97.65
Shares outstanding113,000,000
Audited years read5

Peers: the median of 17 filers with $50M+ revenue in services-medical laboratories.

Health HarborQuest Diagnostics sails as: Sound ship

Health watch · 12 monthsDirector or officer change ×2

Sailing speed follows growth: 3.7% a year crosses the harbor in 69 seconds.

🌊 Visit the Bay →
  • slow and jumpy: growing slower than its size class, with revenue that swings more

Boat condition = number of warning signs: a serious warning filing in 12 months; liabilities over assets; slow and jumpy; negative operating cash; an 80% revenue range of ±25% or wider. A picture of the signs, not a rating and not investment advice.

Recent filings

Figures are as filed in audited 10-K reports and can move with restatements, acquisitions, disposals or a change in fiscal year. A range set from how past company-years turned out is not a promise about the next one, and says nothing about the share price. Reporting, not investment advice. No price targets and no trading recommendations. Figures from the SEC’s own data · every filing · this page as JSON · ask about another company

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Data & Disclosure Notice: Edgar and Edgarette are automated software. Every figure on this page is calculated by software from public filings made by companies and funds with the U.S. Securities and Exchange Commission (EDGAR) and is published without individual human review. The accuracy and completeness of those filings are the responsibility of the filers; reports can contain errors and can be amended. Figures are shown as filed and as of each filing's date, and this page may be corrected or updated without notice. Ranges, expected returns, rankings, boats and other measures are statistical descriptions of past filings, not ratings, price forecasts, company guidance or recommendations; past results do not guarantee future results. This is general information published for all readers, not advice tailored to any person's portfolio, needs or circumstances, and nothing here is financial, investment, actuarial, legal, tax or other professional advice. Actuaries and other professionals who use these figures remain responsible for reviewing them for reasonableness and consistency against the original filings and for disclosing their reliance on them. No company, fund or reinsurer pays to be included or ranked. Provided as is, without warranty of any kind. Not affiliated with or endorsed by the SEC or by any company, fund or reinsurer named. All trademarks remain the property of their owners.