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Also trades as: 0KSX.L (LSE) · $vol 0M

DGX NYSE

Quest Diagnostics Incorporated
1W: +3.4% 1M: +3.2% 3M: +3.0% YTD: +40.4% 1Y: +32.6% 3Y: +105.8% 5Y: +83.1%
$242.56
-0.39 (-0.16%)
After Hours: $244.53 (+1.97, +0.81%)
Weekly Expected Move ±2.8%
$228 $235 $242 $249 $255
NYSE · Healthcare · Medical - Diagnostics & Research · Tech Score Buy · Power 65 · $26.8B mcap · 110M float · 0.930% daily turnover · Short 66% of daily vol
Credit Risk of going bust: lower than 83% of companies Debt: 19.0% of company value Bonds: $173.4M held by 208 funds, 54 bp over Treasuries → details ▾
Of US companies ranked in the safest four tenths, about 1 in 3,500 filed for bankruptcy within a year (2020-2025).
If the stock fell to about $3.08 (down 99%), Quest Diagnostics Incorporated would be worth roughly what it owes.
Total debt $6.29B against a stock market value of $26.82B.
Distance to default 10.60 (Merton model): prices to 2026-10-26, balance sheet 2026-09-30, debt counted $3.24B (short-term plus half of long-term), stock volatility 23.6%; Altman Z'' 4.04. A ranking and a back-test, not a forecast.
Bond figures are fund-reported marks (SEC N-PORT) as of Jul 2026. How these are computed.
Smart Money Score
Bullish 75
Insider—
Congress2 trades
ETF Holdings—
Key Statistics
Market Cap$26.8B
52W Range171.18-248.84
Volume959,571
Avg Volume1,021,475
Beta0.54
Dividend$3.38
Analyst Ratings
13 Buy 18 Hold 3 Sell
Consensus Hold
Company Info
CEOJames E. Davis
Employees57,000
SectorHealthcare
IndustryMedical - Diagnostics & Research
IPO Date1996-12-17
500 Plaza Drive
Secaucus, NJ 07094
US
973 520 2700
About Quest Diagnostics Incorporated

Quest Diagnostics Incorporated, founded in 1967 and headquartered in Secaucus, New Jersey, is a premier provider of diagnostic testing, information, and related services, serving clients both domestically and internationally. Its core business involves the development and provision of diverse diagnostic information services, such as routine, advanced clinical, and anatomic pathology testing. While primarily operating under the Quest Diagnostics brand, it also leverages specialized identities like AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum to reach a broad spectrum of clients. Its extensive client base includes patients, clinicians, hospitals, integrated delivery networks, health plans, employers, and other direct healthcare entities. Delivery of these services is facilitated through a robust network comprising laboratories, patient service centers, in-office phlebotomists, call centers, and mobile health professionals including paramedics and nurses. Additionally, the company provides risk assessment services for the life insurance industry and offers comprehensive information technology solutions to healthcare organizations and clinicians.

Recent Insider Trades

NameTypeSharesPriceDate
CARTER ROBERT B L-Small 10 $235.93 2026-10-21
SAMAD SAM A-Award 90 $235.94 2026-10-21
Gregg Vicky B A-Award 63 $235.94 2026-10-21
KUPPUSAMY KARTHIK L-Small 33 $235.94 2026-10-21
Lassiter Wright III L-Small 6 $235.96 2026-10-21

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms