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Quest Diagnostics Incorporated logo

NASDAQ · DGX

Quest Diagnostics Incorporated

Healthcare · Medical - Diagnostics & Research

$247.08

Down-$0.43 (-0.17%)

Updated Sep 16, 2026, 4:50 PM

SID Score

6.7/10

Composite research score

Smart Money

58/100

Neutral

Market cap
20.28B
P/E ratio
20.98
Dividend yield
1.60%
52-week range
$171.18 – $248.65
Volume
1.37M
Avg. volume
1.05M

Price performance

DGX price history

1M range · 20 trading sessions · Daily adjusted prices

DGX closed at $247.08 after 20 trading sessions, up 4.58% for the selected period.

Last close
$247.08
Period change
+4.58%
Period low
$231.14
Period high
$247.08
Daily close
View OHLC price history
DGX OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Sep 15, 2026$238.39$248.65$237.21$247.081.37M
Sep 14, 2026$237.49$239.78$234.67$237.89974.85K
Sep 11, 2026$233.20$235.12$229.33$235.02997.03K
Sep 10, 2026$236.32$236.475$228.57$231.141.09M
Sep 9, 2026$233.58$236.24$232.43$235.46791.15K
Sep 8, 2026$233.61$237.555$231.524$235.50728.94K
Sep 4, 2026$235.38$238.915$235.38$237.14798.7K
Sep 3, 2026$242.00$242.00$236.35$239.401.04M
Sep 2, 2026$238.03$242.835$236.27$240.801.14M
Sep 1, 2026$242.72$243.72$235.625$236.22813.39K
Aug 31, 2026$241.99$242.635$239.40$240.301.36M
Aug 28, 2026$245.17$245.28$242.27$242.76639.94K
Aug 27, 2026$242.83$247.19$242.44$244.61839.99K
Aug 26, 2026$244.11$246.00$243.485$245.00811.02K
Aug 25, 2026$243.93$245.78$241.79$244.51709.15K
Aug 24, 2026$243.97$246.00$242.455$243.87837.74K
Aug 21, 2026$240.33$244.70$239.43$244.391.26M
Aug 20, 2026$239.86$245.675$237.525$241.301.14M
Aug 19, 2026$238.10$242.39$237.38$241.76924.01K
Aug 18, 2026$238.01$239.38$236.07$236.25693.61K

Latest DGX news

The latest Smart Investors Daily articles mentioning DGX.

DGX research

Overview

Company profile and research snapshot.

Company profile

Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.

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Analyst outlook

Consensus and target data currently published for this company.

Consensus
Hold
Average target
$201.60
Implied upside
Analysts
24
DGX recent ratings
DateFirmRatingTarget
Sep 8, 2026UBSNeutral
Jul 28, 2026JP MorganNeutral
Jul 24, 2026BarclaysOverweight
Jul 24, 2026BairdNeutral
Jul 24, 2026Truist SecuritiesHold
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News briefing

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Yahoo · Sep 9, 2026

Apple Health app Users to be Able to Order Labs from Quest Diagnostics

Quest Diagnostics (NYSE: DGX) today announced that Apple Health app users in the United States1 will be able to conveniently purchase a tailored Quest laboratory test panel that includes over 50 biomarkers directly through the app on iPhone and iPad later this year. Apple first announced the upcoming update today at its September event.

Yahoo · Sep 5, 2026

Could Roche and Lilly’s Blood Test Make Alzheimer’s Assessment More Accessible?

Testing for Alzheimer’s-related brain changes has traditionally depended on procedures that can be expensive, invasive, or difficult to access. Roche Holding AG and Eli Lilly and Company (NYSE:LLY) may now have a simpler way to help physicians evaluate certain patients. The FDA has cleared Elecsys pTau217, which is a blood test that helps identify whether […]

AI research layers

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