235.00
price down icon1.74%   -4.15
 
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Quest Diagnostics Inc stock is traded at $235.00, with a volume of 800.03K. It is down -1.74% in the last 24 hours and down -4.89% 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:
$239.15
Open:
$239.67
24h Volume:
800.03K
Relative Volume:
0.78
Market Cap:
$25.94B
Revenue:
$11.28B
Net Income/Loss:
$1.07B
P/E Ratio:
25.92
EPS:
9.0657
Net Cash Flow:
$1.33B
1W Performance:
+1.74%
1M Performance:
-4.89%
6M Performance:
+22.74%
1Y Performance:
+25.79%
1-Day Range:
Value
$233.56
$240.75
1-Week Range:
Value
$228.66
$240.75
52-Week Range:
Value
$171.18
$248.84

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
2026-10-22
Name
Latest SEC Filings
Name
DGX's Discussions on Twitter

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

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
DGX icon
DGX
Quest Diagnostics Inc
235.00 25.94B 11.28B 1.07B 1.33B 9.0657
TMO icon
TMO
Thermo Fisher Scientific Inc
690.00 255.13B 45.20B 6.87B 6.75B 18.19
DHR icon
DHR
Danaher Corp
229.04 161.01B 24.78B 3.68B 5.29B 5.1743
NTRA icon
NTRA
Natera Inc
393.44 56.71B 2.50B -226.32M 71.51M -1.6412
A icon
A
Agilent Technologies Inc
172.97 48.77B 7.23B 1.41B 1.09B 4.979
IDXX icon
IDXX
Idexx Laboratories Inc
560.36 44.15B 4.45B 1.10B 1.06B 13.59

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
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Quest Diagnostics Inc Stock (DGX) Latest News

pulisher
Oct 15, 2026

Quest Diagnostics Incorporated (DGX) Options ChainYahoo Finance - Yahoo! Finance Canada

Oct 15, 2026
pulisher
Oct 15, 2026

Quest Diagnostics shares may shift 4.4% on Oct. 22 earnings - Investing.com

Oct 15, 2026
pulisher
Oct 15, 2026

Quest Diagnostics Incorporated (DGX) Stock Forecasts - Yahoo Finance

Oct 15, 2026
pulisher
Oct 14, 2026

Quest Continues to Enjoy a Narrow Moat Thanks to Its Status as Low-Cost Producer - Morningstar

Oct 14, 2026
pulisher
Oct 14, 2026

Quest Diagnostics Inc. stock underperforms Wednesday when compared to competitors despite daily gains - MarketWatch

Oct 14, 2026
pulisher
Oct 14, 2026

Quest Diagnostics Incorporated (DGX) Stock Forecasts - Yahoo! Finance Canada

Oct 14, 2026
pulisher
Oct 14, 2026

Here's How Quest Diagnostics Is Placed Ahead of Q3 Earnings - Zacks Investment Research

Oct 14, 2026
pulisher
Oct 14, 2026

Here's How Quest Diagnostics Is Placed Ahead of Q3 Earnings - TradingView

Oct 14, 2026
pulisher
Oct 09, 2026

Quest Diagnostics (NYSE:DGX): A Dividend Quality Pick for Income Investors - ChartMill

Oct 09, 2026
pulisher
Oct 08, 2026

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

Oct 08, 2026
pulisher
Oct 08, 2026

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

Oct 08, 2026
pulisher
Oct 08, 2026

Leerink Partners Adjusts Quest Diagnostics Price Target to $265 From $254 - www.marketscreener.com

Oct 08, 2026
pulisher
Oct 07, 2026

Quest Diagnostics Incorporated (DGX) options chain - Yahoo Finance UK

Oct 07, 2026
pulisher
Oct 06, 2026

Quest Diagnostics (DGX) Announces Executive Leadership Transitio - GuruFocus

Oct 06, 2026
pulisher
Oct 06, 2026

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

Oct 06, 2026
pulisher
Oct 06, 2026

Catherine T. Doherty to Transition to EVP at Quest Diagnostics, Retirement Set for July 2027 - TradingView

Oct 06, 2026
pulisher
Oct 06, 2026

Barclays Adjusts Price Target on Quest Diagnostics to $260 From $250, Keeps Overweight Rating - marketscreener.com

Oct 06, 2026
pulisher
Oct 06, 2026

Evercore ISI Adjusts Price Target on Quest Diagnostics to $235 From $240, Keeps In Line Rating - www.marketscreener.com

Oct 06, 2026
pulisher
Oct 06, 2026

Quest Diagnostics Inc's Dividend Analysis - Yahoo Finance

Oct 06, 2026
pulisher
Oct 06, 2026

Quest Diagnostics (NYSE:DGX) Rides Steady Testing Demand - Kalkine Media

Oct 06, 2026
pulisher
Oct 05, 2026

Quest Diagnostics’ Quarterly Earnings Preview: What You Need to Know - Yahoo Finance

Oct 05, 2026
pulisher
Oct 05, 2026

Beat the Market Like Zacks: Thermo Fisher, Cricut, Shopify in Focus - Zacks Investment Research

Oct 05, 2026
pulisher
Oct 03, 2026

DGX5874579 Bond Profile: Coupon and Redemption - TradingView

Oct 03, 2026
pulisher
Oct 02, 2026

Three Days Left To Buy Quest Diagnostics Incorporated (NYSE:DGX) Before The Ex-Dividend Date - Moomoo

Oct 02, 2026
pulisher
Oct 02, 2026

Quest Diagnostics (NYSE:DGX) Breakout Setup Backed by Technical Rating 7 and Setup Rating 8 - ChartMill

Oct 02, 2026
pulisher
Oct 01, 2026

Quest Diagnostics (DGX) Highlights Haystack MRD Test Accuracy in Colorectal Cancer Trials - GuruFocus

Oct 01, 2026
pulisher
Sep 29, 2026

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

Sep 29, 2026
pulisher
Sep 25, 2026

Quest Diagnostics Stock Gains 36.3% YTD: What's Behind the Rally? - TradingView

Sep 25, 2026
pulisher
Sep 25, 2026

Quest Diagnostics Stock Gains 36.3% YTD: What's Behind the Rally? - Yahoo Finance

Sep 25, 2026
pulisher
Sep 24, 2026

Global Paternity & Relationship Testing Services Market Set for Growth Through 2030 as DNA Testing Demand Expands Across Applications and Product Segments - GlobeNewswire Inc.

Sep 24, 2026
pulisher
Sep 23, 2026

Quest Diagnostics (DGX) Could Be 5% Below Fair Value After Apple Health Launch - Yahoo Finance

Sep 23, 2026
pulisher
Sep 23, 2026

Quest Diagnostics shows growth potential despite Medicare uncertainties, driven by testing demand and acquisitions. - Pluang

Sep 23, 2026
pulisher
Sep 23, 2026

Quest Diagnostics Incorporated: Testing Growth Keeps Me Bullish Despite Medicare Headwinds - Seeking Alpha

Sep 23, 2026
pulisher
Sep 23, 2026

Quest Diagnostics Inc (DGX) Stock Down 4.1% but Still Overvalued -- GF Score: 74/100 - GuruFocus

Sep 23, 2026
pulisher
Sep 22, 2026

Quest Diagnostics (DGX) Stock Could Be 30% Below Fair Value Following Medicare Payment Cut Concerns - Yahoo Finance

Sep 22, 2026
pulisher
Sep 22, 2026

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

Sep 22, 2026
pulisher
Sep 22, 2026

Quest Diagnostics to Release Third Quarter Financial Results on October 22, 2026 - Yahoo Finance

Sep 22, 2026
pulisher
Sep 22, 2026

Why Quest Diagnostics Holdings Stock Dropped Today - Yahoo Finance

Sep 22, 2026
pulisher
Sep 22, 2026

Quest Diagnostics Study Finds High Tick-Borne Disease Co-Exposure - Your Wyoming Link

Sep 22, 2026
pulisher
Sep 22, 2026

Quest Diagnostics Study Finds High Tick-Borne Disease Co-Exposure - finance.yahoo.com

Sep 22, 2026
pulisher
Sep 22, 2026

Quest Diagnostics, Labcorp Shares Fall as Medicare Signals Cuts in Payment Rates for Lab Services - marketscreener.com

Sep 22, 2026
pulisher
Sep 22, 2026

Quest Diagnostics, Labcorp Shares Fall as Medicare Signals Cuts in Payment Rates for Lab Services - Yahoo Finance

Sep 22, 2026
pulisher
Sep 22, 2026

Is This the Right Time to Add DGX Stock to Your Portfolio? - TradingView

Sep 22, 2026
pulisher
Sep 22, 2026

Is This the Right Time to Add DGX Stock to Your Portfolio? - Zacks Investment Research

Sep 22, 2026
pulisher
Sep 22, 2026

Ericsson, Lexeo Therapeutics And Other Big Stocks Moving Lower In Tuesday’s Pre-Market Session - Benzinga

Sep 22, 2026
pulisher
Sep 22, 2026

Is Quest Diagnostics Stock Outperforming the Nasdaq? - Barchart.com

Sep 22, 2026
pulisher
Sep 22, 2026

Is Quest Diagnostics Stock Outperforming the Nasdaq? - Yahoo Finance

Sep 22, 2026
pulisher
Sep 22, 2026

Evercore sees Lab Corp, Quest shares facing Medicare pricing headwind By Investing.com - Investing.com Canada

Sep 22, 2026
pulisher
Sep 21, 2026

Labcorp, Quest fall as CMS cuts 2027 rates for laboratory services (LH:NYSE) - Seeking Alpha

Sep 21, 2026
pulisher
Sep 21, 2026

Quest Diagnostics Sees Growth Outpace Targets as Consumer Testing Surges - TradingView

Sep 21, 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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Quest Diagnostics Inc Stock (DGX) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
Davis J. E.
Officer
Sep 01 '26
Proposed Sale
242.72
10,000
2,427,200
0
PREVOZNIK MICHAEL E
SVP & General Counsel
Aug 28 '26
Sale
243.11
22,677
5,513,083
37,557
PREVOZNIK MICHAEL E
SVP & General Counsel
Aug 28 '26
Option Exercise
112.17
22,677
2,543,679
60,234
PREVOZNIK MICHAEL E
Officer
Aug 28 '26
Proposed Sale
243.11
22,677
5,513,082
0
DELANEY MARK E
Officer
Jul 28 '26
Proposed Sale
235.18
1,600
376,288
0
DELANEY MARK E
SVP & Chief Commercial Officer
Jul 28 '26
Sale
235.18
1,600
376,288
10,335
KUPPUSAMY KARTHIK
SVP, Clinical Solutions
Jun 04 '26
Option Exercise
124.22
8,147
1,012,000
21,657
KUPPUSAMY KARTHIK
SVP, Clinical Solutions
Jun 04 '26
Sale
200.00
8,147
1,629,400
13,510
KUPPUSAMY KARTHIK
Officer
Jun 04 '26
Proposed Sale
200.00
8,147
1,629,400
0
Davis J. E.
CEO and President
Jun 01 '26
Sale
194.14
10,000
1,941,400
132,423
LH LH
$317.95
price down icon 2.19%
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$158.60
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MTD MTD
$1,622.29
price down icon 1.02%
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CRL CRL
$300.15
price down icon 1.99%
Cap:     |  Volume (24h):