Company Analysis

Quest Diagnostics Inc. (DGX)

NYSE: DGX · Services-Medical Laboratories · Secaucus, NJ · filing with the SEC since 1996
Grade5.2
◀ Past 6.5● Present 5.5▶ Future 3.6

The grade of Quest Diagnostics Inc.

Nine metrics read from its own filings, by tense
Headline grade
5.2/10
◀ Past6.530% of the headline
● Present5.540% of the headline
▶ Future3.630% of the headline

All three tenses have at least two readings, so the archetype blend applies as printed.

All nine metrics read as filed from the record.

◀ Past

What did they actually do?

6.5/1030% of the headline grade · 3 of 3 filed

Surviving crises

as filed
7.8/10

Has it survived what it has been through?

No warning events in its filings since 2017.

weight 33% of this tense · 78th percentile among 27 sector filers · read for itself

From the record

Quest Diagnostics Inc.'s filings since 2017 show no warning events in the scan: no bankruptcy or receivership notice, no debt default notice, no exchange listing notice, no restatement warning, no auditor change, no material cyber incident and no late-report notice (its current reports).

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Track record

as filed
4.5/10

What has it actually done, year after year?

+33% a year over 10 filed years; profitable in 10 of 10.

weight 45% of this tense · 45th percentile among 23 sector filers · read for its customers

From the record

Quest Diagnostics Inc.'s 10 filed years say what it did: revenue went from $1 million in fiscal 2016 to $13 million in fiscal 2025, up 33% a year; it rose in 6 of 9 years; the deepest fall was 80% from fiscal 2019 to fiscal 2021; net income was positive in 10 of 10 of those years (its annual reports).

What it rests on

  • revenue growth over the filed span33.0%top 37% of its family
  • the share of years revenue rosebottom 20% of its family
  • the share of filed years with a profittop 4% of its family
  • the deepest fall from a revenue peak80.0%bottom 2% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Shareholder treatment

as filed
8.5/10

How has it treated the people who own it?

Share count shrank 1.4% a year. 42% of cash flow returned. Insiders: 40 sales, 0 purchases.

weight 22% of this tense · 85th percentile among 9 sector filers · read for its shareholders

From the record

Over the 3 fiscal years to 2025-12-31, Quest Diagnostics Inc.'s diluted share count shrank about 1.4% a year, and dividends and buybacks returned about 42% of its operating cash flow over 3 years (its filed statements). Its officers and directors filed 40 sales (38 under scheduled 10b5-1 plans) and 0 purchases of their own stock on the open market in the year to 2026-11-12 (their Form 4 filings).

What it rests on

  • the share count over the yearstop 7% of its family
  • cash returned against operating cash flowtop 23% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

● Present

What are they doing right now?

5.5/1040% of the headline grade · 3 of 3 filed

Financial health

as filed
5.3/10

Is it financially healthy right now?

ROE 14%: 14¢ of profit per shareholder dollar. Leverage 56%: owes 56¢ per asset dollar.

weight 33% of this tense · 53rd percentile among 25 sector filers · read for itself

From the record

Return on equity: in the fiscal year ended 2025-12-31, Quest Diagnostics Inc. earned about 14 cents of profit for every dollar of shareholders' money, and gross profitability: its products earned less than nothing, about minus 45 cents per dollar of everything the company owns (revenue less the cost of revenue). Leverage: it owed about 56 cents per dollar of assets, and net share issuance: its share count was unchanged over the year (the filed statements).

What it rests on

  • what it owes per dollar of assetsbottom 37% of its family
  • return on equitytop 7% of its family
  • gross profit against assetsbottom 3% of its family
  • the share count against the year beforetop 20% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Industry position

as filed
5.4/10

How strong is its position in its industry?

top 46% of 24 in its family; net margin 7630.8%.

weight 45% of this tense · 54th percentile among 24 sector filers · read for its customers

From the record

Quest Diagnostics Inc.'s standing among 24 graded names in its industry family: revenue of $13 million in fiscal 2025 ranks in the bottom 24% by size; a net margin of 7630.8% ranks in the top 2%; revenue growth of 9.1% a year over the last 3 filed years ranks in the bottom 41% (its annual reports).

What it rests on

  • revenue against the family$13.0Mbottom 24% of its family
  • net margin7630.8%top 2% of its family
  • three-year revenue growth9.1%bottom 41% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Leadership

as filed
6.0/10

What are the people in charge doing?

top 40% of 17 in its family for leadership; chief executive since 2022.

weight 22% of this tense · 60th percentile among 17 sector filers · read for its shareholders

From the record

Quest Diagnostics Inc.'s leadership, from its insiders' filings and its current reports: the chief executive on the record is Davis, J. E. (CEO and President, as filed), filing under that title since 2022-11-03, 4 years (bottom 44% of its family); the 19 officers and directors filing in the last fifteen months have been on the record a median of 6.7 years (top 30%); 3 officer or director changes were reported on Form 8-K since 2023-11-13, against the 19 people in charge now (top 34%; fewer changes for each person reads higher) (the Form 4 record, its Form 8-K reports). Years count from a person's first filing in the SEC's data sets, which begin in 2006, so each is a floor.

What it rests on

  • officer and director changes on Form 8-K, against the people in charge3 in three years among 19 peopletop 34% of its family
  • the median years the people in charge have filed6.7 yearstop 30% of its family
  • the chief executive's years on the record4.0 yearsbottom 44% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

▶ Future

What are they set up to do next?

3.6/1030% of the headline grade · 3 of 3 filed

Room to expand

as filed
3.8/10

How much room does it have to grow?

bottom 38% of 24 in its family for room to expand.

weight 22% of this tense · 38th percentile among 24 sector filers · read for itself

From the record

Quest Diagnostics Inc.'s room to grow, from the newest filed statements (fiscal 2025): cash of $420 million against debt of $5.2 billion leaves -29.3% of its assets as net cash, bottom 13% of its family; cash from operations less capital spending is 10453.8% of revenue (top 2%); a gross margin of -56592.3% (bottom 3%) (its annual report).

What it rests on

  • cash less debt against assets-29.3%bottom 13% of its family
  • cash from operations less capital spending against revenue10453.8%top 2% of its family
  • gross margin-56592.3%bottom 3% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Growth drivers

as filed
3.0/10

What could actually drive growth from here?

bottom 30% of 23 in its family for growth drivers.

weight 45% of this tense · 30th percentile among 23 sector filers · read for its customers

From the record

Quest Diagnostics Inc.'s growth drivers, from the filed years to fiscal 2025: revenue grew 9.1% a year over the last three filed years against 33% over all 10, slowing (bottom 20% of its family); the newest year grew -48% (bottom 2%); capital spending grew 9.3% a year (top 31%) (its annual reports). Quest Diagnostics Inc. reported 2 lines of business in fiscal 2025: Diagnostic Information Services Business at $11 billion, All Other at $250 million. 1 of 2 grew in the latest filed year, and the largest line is 98% of revenue (its annual report).

What it rests on

  • three-year growth against the whole span-23.8 points a yearbottom 20% of its family
  • the newest year's revenue growth-48.0%bottom 2% of its family
  • three-year growth of capital spending9.3%top 31% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Expectations vs reality

as filed
4.3/10

Did its newest year beat what its own record pointed to?

bottom 43% of 20 in its family for expectations against reality.

weight 33% of this tense · 43rd percentile among 20 sector filers · read for its shareholders

From the record

Quest Diagnostics Inc.'s newest year against its own record: revenue of $13 million in fiscal 2025 came in 67.1% below the $40 million its prior three years' pace pointed to (bottom 3% of its family); net income of $992 million against a prior three-year average of $890 million (bottom 38%); a net margin of more than its whole revenue against more than its whole revenue before (top 12%) (its annual reports).

What it rests on

  • revenue against the prior three years' pace-67.1%bottom 3% of its family
  • net income against the prior three years' average+11%bottom 38% of its family
  • net margin against its prior averageup more than 100 pointstop 12% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

The grade is the company against its own industry, from its filings. It is not a view on the share price. How the grade is made

SI Assistanton DGX · research, not advice