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Quest Diagnostics Inc

corporate_fare Company Profile

Quest Diagnostics Inc

DGX·NYSE·Industrial Applications And Services·CIK 0001022079

Quest Diagnostics provides diagnostic insights through laboratory testing. The company's services empower individuals, physicians, and organizations to improve health outcomes. These insights are derived from one of the world's largest databases of de-identifiable clinical lab results and are used to identify and treat diseases, encourage healthy behaviors, and enhance healthcare management. Annually, Quest Diagnostics serves approximately one-third of the adult population of the United States, and over a three-year period, this expands to approximately one-half of the adult population of the United States. The company estimates it serves approximately half of the physicians and half of the hospitals in the United States each year. Quest Diagnostics operates with a purpose to create a healthier world, one life at a time, and a strategy focused on providing high-quality, innovative, convenient, and affordable solutions to meet evolving customer needs. The company serves a broad range of customers across the healthcare ecosystem, including physicians, hospitals, patients, consumers, health plans, government agencies, employers, retailers, pharmaceutical companies, and insurers.

Quest Diagnostics Inc (NYSE:DGX) is a publicly traded company in the Industrial Applications And Services sector. Wiseek has independently scored 12 items for DGX at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-07-23, rated 8/10. Across its 12 most recent items scored 7 or higher, the top rating is 8/10, with 3 rated 8 or above. Recent SEC coverage for DGX spans 10-Q, 8-K, FWP, 10-K.

Recent high-impact activity:

  • Quest Diagnostics Lifts FY EPS View as Q2 Revenue Tops $3.04B
  • Quest Diagnostics Lifts Full-Year Outlook on Strong Q2 Beat
  • Quest Diagnostics Guides FY Adj EPS $11.05-$11.25, Above Consensus
  • Quest Diagnostics' Haystack MRD Test Gains Nationwide Approval with Key New York State Nod
  • Quest Diagnostics Issues $500M in 5.000% Senior Notes Due 2036, Finalizing Recent Offering

Financial Snapshot

Fiscal year ended December 31, 2025
Revenue
$11.04B
Net Income
$992M
Diluted EPS
$8.75
Op. Cash Flow
$1.89B
Free Cash Flow
$1.36B
Gross Profit
$3.67B
Operating Income
$1.56B
Cash & Equivalents
$420M
Total Debt
$5.67B
Debt / Equity
0.79×
Net Margin
9.0%
Shares Outstanding
111M sh
Source: 10-K · filed 2026-02-26 · accession 0001022079-26-000015

Short Interest & Short Volume

3.69 days to cover

FINRA reported short interest of 3,600,559 shares in DGX as of the September 15, 2026 settlement, a 4.5% increase from the prior period — about 3.7 days to cover at its recent average daily volume. On October 2, 2026, 35.1% of DGX volume reported to FINRA trade-reporting facilities was marked short.

Short interest (bi-monthly positions)3,600,559 shares as of September 15, 2026
Change vs prior period▲ 4.5%
Days to cover3.69 at avg daily volume of 975,562
Daily short volume (FINRA facilities)35.1% of 434,255 shares on October 2, 2026
5-day average short volume42.8%

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

Dilution Risk

Low risk

Filing-implied dilution signals for DGX, detected from its recent SEC filings · based on capital-structure filings through 2026-04-27.

1 recent capital raise

Finalized Debt Offering · Maturity and Yield

⚠ A more recent filing has been published for this ticker since this signal was computed; it may not yet be reflected — see the filings below.

A filing-implied signal, not a realized share count. How Wiseek tracks dilution →

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$233.33
52-week range · as of 2026-07-23 $165.78 – $237.78
Market cap
$25.75B
Volume
1.1M (1.0× avg)
3-mo avg 1.1M
Live data · 2026-10-04 09:39 UTC · Market closed

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feed DGX - Latest Insights

DGX
Jul 23, 2026, 4:16 PM EDT
Filing Type: 10-Q
Importance Score:
8
Price at Filing: $225.14
Real-time Price: $233.33 info
Change: +$8.19 (+4%) info
Market Cap: $25.753B info
DGX
Jul 23, 2026, 6:46 AM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $221.00
Real-time Price: $233.33 info
Change: +$12.33 (+6%) info
Market Cap: $25.753B info
DGX
Jul 23, 2026, 6:45 AM EDT
Source: Dow Jones Newswires
Importance Score:
7
Price at Filing: $215.00
Real-time Price: $233.33 info
Change: +$18.33 (+9%) info
Market Cap: $25.753B info
DGX
Jun 24, 2026, 9:25 AM EDT
Source: dpa-AFX
Importance Score:
7
Price at Filing: $197.18
Real-time Price: $233.33 info
Change: +$36.15 (+18%) info
Market Cap: $25.753B info
DGX
May 08, 2026, 4:15 PM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $187.39
Real-time Price: $233.33 info
Change: +$45.94 (+25%) info
Market Cap: $25.753B info
DGX
Apr 27, 2026, 4:17 PM EDT
Filing Type: FWP
Importance Score:
7
Price at Filing: $196.63
Real-time Price: $233.33 info
Change: +$36.70 (+19%) info
Market Cap: $25.753B info
DGX
Apr 21, 2026, 6:48 AM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $201.00
Real-time Price: $233.33 info
Change: +$32.33 (+16%) info
Market Cap: $25.753B info
DGX
Apr 21, 2026, 6:47 AM EDT
Source: Dow Jones Newswires
Importance Score:
7
Price at Filing: $198.80
Real-time Price: $233.33 info
Change: +$34.53 (+17%) info
Market Cap: $25.753B info
DGX
Mar 12, 2026, 4:30 PM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $200.88
Real-time Price: $233.33 info
Change: +$32.45 (+16%) info
Market Cap: $25.753B info
DGX
Feb 26, 2026, 4:38 PM EST
Filing Type: 10-K
Importance Score:
8
Price at Filing: $211.10
Real-time Price: $233.33 info
Change: +$22.23 (+11%) info
Market Cap: $25.753B info
DGX
Feb 10, 2026, 6:53 AM EST
Filing Type: 8-K
Importance Score:
8
Price at Filing: $194.90
Real-time Price: $233.33 info
Change: +$38.43 (+20%) info
Market Cap: $25.753B info
DGX
Jan 12, 2026, 4:37 PM EST
Filing Type: 8-K
Importance Score:
7
Price at Filing: $174.48
Real-time Price: $233.33 info
Change: +$58.85 (+34%) info
Market Cap: $25.753B info
Research tools: Filing Impact Index Dilution Tracker Split Calendar Open Datasets