237.14
price down icon0.94%   -2.26
after-market After Hours: 237.14
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Quest Diagnostics Inc stock is traded at $237.14, with a volume of 775.62K. It is down -0.94% in the last 24 hours and up +1.46% over the past month. Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 97% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,400 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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Previous Close:
$239.40
Open:
$235.38
24h Volume:
775.62K
Relative Volume:
0.83
Market Cap:
$26.17B
Revenue:
$11.28B
Net Income/Loss:
$1.07B
P/E Ratio:
26.16
EPS:
9.0657
Net Cash Flow:
$1.33B
1W Performance:
-2.32%
1M Performance:
+1.46%
6M Performance:
+13.76%
1Y Performance:
+31.66%
1-Day Range:
Value
$235.38
$238.91
1-Week Range:
Value
$235.38
$243.72
52-Week Range:
Value
$171.18
$247.19

Quest Diagnostics Inc Stock (DGX) Company Profile

Name
Name
Quest Diagnostics Inc
Name
Phone
(973) 520-2700
Name
Address
500 PLAZA DRIVE, SECAUCUS
Name
Employee
57,000
Name
Twitter
@QuestDX
Name
Next Earnings Date
2026-10-20
Name
Latest SEC Filings
Name
DGX's Discussions on Twitter

Compare DGX vs TMO, DHR, NTRA, IQV, A

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
DGX icon
DGX
Quest Diagnostics Inc
237.14 26.63B 11.28B 1.07B 1.33B 9.0657
TMO icon
TMO
Thermo Fisher Scientific Inc
613.78 232.03B 45.20B 6.87B 6.75B 18.19
DHR icon
DHR
Danaher Corp
207.66 151.78B 24.78B 3.68B 5.29B 5.1743
NTRA icon
NTRA
Natera Inc
328.18 46.82B 2.50B -226.32M 71.51M -1.6412
IQV icon
IQV
Iqvia Holdings Inc
267.77 42.15B 16.63B 1.39B 2.12B 8.0674
A icon
A
Agilent Technologies Inc
150.86 44.14B 7.23B 1.41B 1.09B 4.979

Quest Diagnostics Inc Stock (DGX) Upgrades & Downgrades

Date Action Analyst Rating Change
Jan-30-26 Upgrade Barclays Equal Weight → Overweight
Aug-25-25 Downgrade Robert W. Baird Outperform → Neutral
Apr-02-25 Initiated Redburn Atlantic Buy
Mar-04-25 Downgrade Citigroup Buy → Neutral
Jan-06-25 Upgrade Leerink Partners Market Perform → Outperform
Dec-17-24 Upgrade Morgan Stanley Equal-Weight → Overweight
Dec-10-24 Resumed Jefferies Buy
Oct-23-24 Upgrade Robert W. Baird Neutral → Outperform
Aug-28-24 Resumed Evercore ISI In-line
Jul-10-24 Upgrade Citigroup Neutral → Buy
Feb-26-24 Initiated Leerink Partners Market Perform
Feb-07-24 Upgrade Jefferies Hold → Buy
Jan-03-24 Initiated Barclays Equal Weight
Dec-12-23 Upgrade BofA Securities Neutral → Buy
Jun-29-23 Initiated Piper Sandler Neutral
May-02-23 Downgrade BofA Securities Buy → Neutral
Apr-03-23 Upgrade Citigroup Sell → Neutral
Jan-23-23 Initiated Evercore ISI In-line
Nov-17-22 Downgrade Citigroup Neutral → Sell
Aug-22-22 Resumed Morgan Stanley Equal-Weight
Apr-04-22 Downgrade Citigroup Buy → Neutral
Feb-23-22 Downgrade UBS Buy → Neutral
Feb-02-22 Downgrade Jefferies Buy → Hold
Jan-28-22 Downgrade Deutsche Bank Buy → Hold
May-04-21 Upgrade UBS Neutral → Buy
Mar-12-21 Downgrade Robert W. Baird Outperform → Neutral
Oct-21-20 Upgrade Argus Hold → Buy
Jul-29-20 Upgrade KeyBanc Capital Markets Sector Weight → Overweight
Jul-14-20 Upgrade BofA Securities Neutral → Buy
Jun-09-20 Upgrade Wells Fargo Underweight → Equal Weight
Jun-02-20 Upgrade Deutsche Bank Hold → Buy
Apr-28-20 Upgrade Morgan Stanley Equal-Weight → Overweight
Apr-27-20 Upgrade Citigroup Neutral → Buy
Apr-27-20 Upgrade Wolfe Research Underperform → Peer Perform
Mar-27-20 Downgrade Morgan Stanley Overweight → Equal-Weight
Jan-08-20 Initiated Wells Fargo Underweight
Jan-07-20 Downgrade Barclays Overweight → Equal Weight
Dec-19-19 Upgrade BofA/Merrill Underperform → Neutral
Jul-15-19 Downgrade Goldman Neutral → Sell
Apr-02-19 Upgrade Jefferies Hold → Buy
Mar-18-19 Resumed Credit Suisse Neutral
Jan-31-19 Downgrade Argus Buy → Hold
Jan-17-19 Initiated UBS Neutral
Jan-03-19 Downgrade BofA/Merrill Neutral → Underperform
Dec-03-18 Downgrade BofA/Merrill Buy → Neutral
Nov-30-18 Downgrade Goldman Buy → Neutral
View All

Quest Diagnostics Inc Stock (DGX) Latest News

pulisher
09:28 AM

Quest Diagnostics stock edges lower near 52-week highs after solid Q2 growth - AD HOC NEWS

09:28 AM
pulisher
Sep 06, 2026

Quest Diagnostics stock holds steady as investors await next earnings update - AD HOC NEWS

Sep 06, 2026
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Sep 05, 2026

Man Group takes new $495K stake in Quest Diagnostics as stock nears record high - Dealroom

Sep 05, 2026
pulisher
Sep 03, 2026

CEO of Quest Diagnostics (NYSE: DGX) sells 10,000 shares - Stock Titan

Sep 03, 2026
pulisher
Sep 03, 2026

Quest Diagnostics Insider Sold Shares Worth $2,427,200, According to a Recent SEC Filing - marketscreener.com

Sep 03, 2026
pulisher
Sep 03, 2026

Quest Diagnostics stock gains as investors focus on growth and fair value - AD HOC NEWS

Sep 03, 2026
pulisher
Sep 02, 2026

Quest Diagnostics Inc. stock outperforms competitors on strong trading day - MarketWatch

Sep 02, 2026
pulisher
Sep 02, 2026

Quest Diagnostics stock trades near 52-week high as kidney testing deal lifts valuation - AD HOC NEWS

Sep 02, 2026
pulisher
Sep 01, 2026

Quest Diagnostics Inc. stock underperforms Tuesday when compared to competitors - MarketWatch

Sep 01, 2026
pulisher
Sep 01, 2026

Quest Diagnostics (NYSE: DGX) insider plans new sale after June $1.9M trade - Stock Titan

Sep 01, 2026
pulisher
Aug 31, 2026

Quest Diagnostics SVP & general counsel sells $5.5m in shares - Investing.com Nigeria

Aug 31, 2026
pulisher
Aug 31, 2026

Quest Diagnostics SVP & general counsel sells $5.5m in shares By Investing.com - Investing.com South Africa

Aug 31, 2026
pulisher
Aug 31, 2026

Quest Diagnostics Inc. stock underperforms Monday when compared to competitors - MarketWatch

Aug 31, 2026
pulisher
Aug 31, 2026

Quest Diagnostics (DGX) Stock Analysis: Navigating Growth Amidst a Competitive Landscape - DirectorsTalk Interviews

Aug 31, 2026
pulisher
Aug 31, 2026

Quest Diagnostics stock holds steady as investors await fresh earnings catalysts - AD HOC NEWS

Aug 31, 2026
pulisher
Aug 28, 2026

Quest Diagnostics (NYSE: DGX) holder to sell 22,677 shares - Stock Titan

Aug 28, 2026
pulisher
Aug 25, 2026

Humanity Health Inc. And Quest Diagnostics Announce Availability Of Humanity Biological Age Analysis Through questhealth.com - marketscreener.com

Aug 25, 2026
pulisher
Aug 25, 2026

Quest Diagnostics brings a $29 biological-age report to the U.S.—no extra blood draw - Stock Titan

Aug 25, 2026
pulisher
Aug 24, 2026

Roche's Alzheimer's blood test gets FDA clearance; Quest plans U.S. launch - Stock Titan

Aug 24, 2026
pulisher
Aug 24, 2026

Quest Diagnostics to Offer FDA-Cleared Roche pTau217 Blood Test to Assess Alzheimer's Disease Pathology - Yahoo Finance

Aug 24, 2026
pulisher
Aug 21, 2026

Quest Diagnostics stock holds near highs after Q2 beat - Ad-hoc-news.de

Aug 21, 2026
pulisher
Aug 21, 2026

Is it the Right Time to Retain DGX Stock in Your Portfolio? - TradingView

Aug 21, 2026
pulisher
Aug 21, 2026

Quest Diagnostics Incorporated (DGX) Hit a 52 Week High, Can the Run Continue? - Yahoo Finance

Aug 21, 2026
pulisher
Aug 21, 2026

Trillium Asset Management LLC Takes $5.43 Million Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 21, 2026
pulisher
Aug 21, 2026

SGL Investment Advisors Inc. Buys Shares of 27,290 Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 21, 2026
pulisher
Aug 21, 2026

Danske Bank A S Buys Shares of 68,561 Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 21, 2026
pulisher
Aug 21, 2026

5,500 Shares in Quest Diagnostics Incorporated $DGX Acquired by Glaxis Capital Management LLC - MarketBeat

Aug 21, 2026
pulisher
Aug 21, 2026

Edmond DE Rothschild Holding S.A. Invests $944,000 in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 21, 2026
pulisher
Aug 21, 2026

Ceredex Value Advisors LLC Makes New Investment in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 21, 2026
pulisher
Aug 21, 2026

327,575 Shares in Quest Diagnostics Incorporated $DGX Bought by Advisors Capital Management LLC - MarketBeat

Aug 21, 2026
pulisher
Aug 21, 2026

Quest Diagnostics Incorporated (NYSE:DGX) Receives Consensus Recommendation of "Moderate Buy" from Brokerages - MarketBeat

Aug 21, 2026
pulisher
Aug 20, 2026

Quest Diagnostics stock extends 2026 rally after Q2 revenue and earnings beat - Ad-hoc-news.de

Aug 20, 2026
pulisher
Aug 20, 2026

Tocqueville Asset Management L.P. Takes $22.67 Million Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 20, 2026
pulisher
Aug 20, 2026

Wealthfront Advisers LLC Makes New Investment in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 20, 2026
pulisher
Aug 20, 2026

Deutsche Bank AG Makes New $124.18 Million Investment in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 20, 2026
pulisher
Aug 20, 2026

BlackRock Inc. Makes New Investment in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 20, 2026
pulisher
Aug 20, 2026

Analysts Offer Insights on Healthcare Companies: Quest Diagnostics (DGX) and Irhythm Technologies (IRTC) - The Globe and Mail

Aug 20, 2026
pulisher
Aug 19, 2026

Quest Diagnostics stock hits a fresh high as Q2 earnings beat expectations - Ad-hoc-news.de

Aug 19, 2026
pulisher
Aug 19, 2026

Quest Diagnostics stock hits all-time high at 240.15 USD - Investing.com

Aug 19, 2026
pulisher
Aug 19, 2026

Quest Diagnostics stock hits all-time high at 240.15 USD By Investing.com - Investing.com Canada

Aug 19, 2026
pulisher
Aug 19, 2026

M.D. Sass LLC Buys New Shares in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 19, 2026
pulisher
Aug 19, 2026

Commerzbank Aktiengesellschaft FI Takes $1.42 Million Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 19, 2026
pulisher
Aug 19, 2026

Foster & Motley Inc. Makes New $3.51 Million Investment in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 19, 2026
pulisher
Aug 19, 2026

Danica Pension Livsforsikringsaktieselskab Invests $2.26 Million in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 19, 2026
pulisher
Aug 19, 2026

Alpine Woods Capital Investors LLC Acquires New Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 19, 2026
pulisher
Aug 18, 2026

Quest Diagnostics (DGX) Upgraded to Buy: Here's Why - Yahoo Finance

Aug 18, 2026
pulisher
Aug 18, 2026

WHOOP opens blood tests to nonmembers and adds a test for signals tied to 50+ cancer types - Stock Titan

Aug 18, 2026
pulisher
Aug 18, 2026

Nuance Investments LLC Takes Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 18, 2026
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Aug 18, 2026

Occidental Asset Management LLC Invests $6.12 Million in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 18, 2026
pulisher
Aug 18, 2026

Cornerstone Advisors LLC Invests $10.01 Million in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 18, 2026
pulisher
Aug 18, 2026

GSA Capital Partners LLP Purchases Shares of 4,971 Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 18, 2026

Quest Diagnostics Inc Stock (DGX) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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LH LH
$326.89
price down icon 1.39%
MTD MTD
$1,345.26
price down icon 0.81%
$218.22
price down icon 1.55%
WAT WAT
$409.38
price down icon 1.01%
$535.38
price up icon 1.15%
A A
$150.86
price up icon 0.59%
Cap:     |  Volume (24h):