Last Close
233.01
Jul 31 • 3:59 PM ET Dollar change-1.29 Percentage change(-0.55%)
Aftermarket Close
233.01
Aftermarket • 5:00 PM ET Dollar change0.00 Percentage change(0.00%)
Index
S&P 500
Market Cap
25.72B
Enterprise Value
31.86B
Income
1.06B
Sales
11.56B
Book/sh
68.33
Cash/sh
5.67
Employees
57000
IPO
Dec 17, 1996
P/E
24.72
Forward P/E
19.32
PEG
1.94
P/S
2.22
P/B
3.41
P/C
41.08
P/FCF
19.06
EV/EBITDA
14.08
EV/Sales
2.76
Quick Ratio
1.46
Current Ratio
1.59
Debt/Eq
0.85
LT Debt/Eq
0.82
Option/Short
Yes / Yes
EPS (ttm)
9.43
EPS next Y
12.06
EPS next Q
2.87
EPS this Y
13.62%
EPS next Y
7.74%
EPS next 5Y
9.96%
EPS past 3/5Y
3.08% -3.64%
Sales past 3/5Y
3.74% 3.18%
EPS Y/Y TTM
12.51%
Sales Y/Y TTM
9.87%
EPS Q/Q
14.54%
Sales Q/Q
10.21%
Insider Own
0.49%
Insider Trans
-13.10%
Inst Own
96.13%
Inst Trans
-1.76%
ROA
6.43%
ROE
14.35%
ROIC
7.72%
Gross Margin
31.87%
Oper. Margin
14.56%
Profit Margin
9.15%
SMA20
7.50%
SMA50
12.61%
SMA200
20.08%
Trades
Shs Outstand
110.00M
Shs Float
109.84M
52W High
240.13 -2.97%
52W Low
166.76 39.73%
Volatility
2.42% 2.79%
ATR (14)
6.59
RSI (14)
71.48
Beta
0.55
Rel Volume
0.94
Avg Volume
929.64K
Volume
872,965
Perf Week
2.26%
Perf Month
7.87%
Perf Quarter
19.98%
Perf Half Y
27.78%
Perf YTD
34.28%
Perf Year
39.19%
Perf 3Y
72.33%
Perf 5Y
64.32%
Perf 10Y
169.81%
Prev Close
234.30
Price
233.01
Change
-0.55%
Date Action Analyst Rating Change Price Target Change
Jan-30-26Upgrade Barclays Equal Weight → Overweight $210
Aug-25-25Downgrade Robert W. Baird Outperform → Neutral $194
Apr-02-25Initiated Redburn Atlantic Buy $195
Mar-04-25Downgrade Citigroup Buy → Neutral $185
Jan-06-25Upgrade Leerink Partners Market Perform → Outperform $169 → $174
Dec-17-24Upgrade Morgan Stanley Equal-Weight → Overweight $145 → $172
Dec-10-24Resumed Jefferies Buy $175 → $185
Oct-23-24Upgrade Robert W. Baird Neutral → Outperform $157 → $182
Aug-28-24Resumed Evercore ISI In-line $165
Jul-10-24Upgrade Citigroup Neutral → Buy $145 → $165
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Quest Diagnostics, Inc. engages in the provision of diagnostic testing, information, and services. It operates through the Diagnostic Information Services (DIS) and All Other segments. The DIS segment offers diagnostic information services to physicians, hospitals, patients, and consumers. The All Other segment consists of risk assessment services and healthcare information technology. The company was founded in 1967 and is headquartered in Secaucus, NJ.
ChairmanMr. James E. Davis
Executive VP & CFOMr. Sam A. Samad
Senior VP & General CounselMr. Michael E. Prevoznik J.D.
Executive Vice President of Regional BusinessesMs. Catherine T. Doherty
Senior Vice President of Clinical SolutionsMr. Karthik Kuppusamy Ph.D.
Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total SEC Form 4
DELANEY MARK ESVP & Chief Commercial OfficerJul 28 '26Sale235.181,600376,28810,335Jul 29 05:04 PM
DELANEY MARK EOfficerJul 28 '26Proposed Sale235.181,600376,288Jul 28 09:46 AM
KUPPUSAMY KARTHIKSVP, Clinical SolutionsJun 04 '26Option Exercise124.228,1471,012,00021,657Jun 08 04:32 PM
KUPPUSAMY KARTHIKSVP, Clinical SolutionsJun 04 '26Sale200.008,1471,629,40013,510Jun 08 04:32 PM
KUPPUSAMY KARTHIKOfficerJun 04 '26Proposed Sale200.008,1471,629,400Jun 04 02:52 PM
Davis J. E.CEO and PresidentJun 01 '26Sale194.1410,0001,941,400132,423Jun 02 06:38 PM
Davis J. E.OfficerJun 01 '26Proposed Sale194.1410,0001,941,360Jun 01 12:26 PM
Doherty Catherine T.EVP, Regional BusinessesMar 05 '26Sale206.215,5581,146,11567,122Mar 06 04:45 PM
PREVOZNIK MICHAEL ESVP & General CounselMar 05 '26Sale206.213,878799,68237,557Mar 06 04:44 PM
Plewman PatrickSVP for Diagnostic ServicesMar 05 '26Sale206.212,855588,73015,198Mar 06 04:44 PM
KUPPUSAMY KARTHIKSVP, Clinical SolutionsMar 04 '26Sale204.862,628538,37213,441Mar 06 04:43 PM
PREVOZNIK MICHAEL EOfficerMar 05 '26Proposed Sale206.213,878799,682Mar 05 11:53 AM
Doherty Catherine T.OfficerMar 05 '26Proposed Sale206.215,5581,146,115Mar 05 10:55 AM
Plewman PatrickOfficerMar 05 '26Proposed Sale206.212,855588,730Mar 05 10:43 AM
Doherty Catherine T.EVP, Regional BusinessesMar 03 '26Sale207.73632131,28567,122Mar 04 04:39 PM
PREVOZNIK MICHAEL ESVP & General CounselMar 03 '26Sale207.73526109,26637,557Mar 04 04:38 PM
Davis J. E.CEO and PresidentMar 02 '26Sale212.5210,0002,125,200117,185Mar 04 04:38 PM
Plewman PatrickSVP for Diagnostic ServicesMar 03 '26Sale207.7341085,16915,198Mar 04 04:38 PM
Doherty Catherine T.OfficerMar 03 '26Proposed Sale207.73632131,285Mar 03 12:53 PM
PREVOZNIK MICHAEL EOfficerMar 03 '26Proposed Sale207.73526109,266Mar 03 12:12 PM
Plewman PatrickOfficerMar 03 '26Proposed Sale207.7341085,169Mar 03 11:52 AM
Davis J. E.OfficerMar 02 '26Proposed Sale212.5210,0002,125,200Mar 02 02:21 PM
Plewman PatrickSVP for Diagnostic ServicesFeb 19 '26Sale204.83958196,22715,838Feb 20 05:13 PM
PREVOZNIK MICHAEL ESVP & General CounselFeb 19 '26Sale204.831,111227,56638,371Feb 20 05:12 PM
Doherty Catherine T.EVP, Regional BusinessesFeb 19 '26Sale204.831,433293,52168,402Feb 20 05:11 PM
Plewman PatrickOfficerFeb 19 '26Proposed Sale204.83958196,227Feb 19 10:34 AM
Doherty Catherine T.OfficerFeb 19 '26Proposed Sale204.831,433293,521Feb 19 10:23 AM
PREVOZNIK MICHAEL EOfficerFeb 19 '26Proposed Sale204.831,111227,566Feb 19 10:19 AM
Doherty Catherine T.EVP, Regional BusinessesFeb 13 '26Option Exercise112.1726,1652,934,92894,233Feb 17 04:37 PM
Doherty Catherine T.EVP, Regional BusinessesFeb 13 '26Sale206.1526,1655,393,81568,068Feb 17 04:37 PM
Doherty Catherine T.OfficerFeb 13 '26Proposed Sale207.4826,1655,428,714Feb 13 10:42 AM
Plewman PatrickSVP for Diagnostic ServicesFeb 10 '26Option Exercise121.815,662689,66021,043Feb 12 04:33 PM
Plewman PatrickSVP for Diagnostic ServicesFeb 10 '26Sale204.005,6621,155,04815,381Feb 12 04:33 PM
Plewman PatrickOfficerFeb 10 '26Proposed Sale204.005,6621,155,048Feb 10 12:46 PM
Davis J. E.CEO and PresidentNov 25 '25Option Exercise95.8055,0935,277,634175,573Nov 28 04:30 PM
Davis J. E.CEO and PresidentNov 25 '25Sale192.2255,09310,589,760120,480Nov 28 04:30 PM
Gregg Vicky BDirectorNov 25 '25Sale191.761,250239,70017,037Nov 28 04:30 PM
Davis J. E.OfficerNov 25 '25Proposed Sale192.2255,09310,589,762Nov 25 04:24 PM
Gregg Vicky BDirectorNov 25 '25Proposed Sale191.761,250239,700Nov 25 09:42 AM
DELANEY MARK ESVP & Chief Commercial OfficerNov 18 '25Option Exercise144.467,9461,147,84515,476Nov 20 04:28 PM
DELANEY MARK ESVP & Chief Commercial OfficerNov 18 '25Sale187.357,9461,488,6837,530Nov 20 04:28 PM
DELANEY MARK EOfficerNov 18 '25Proposed Sale187.357,9461,488,683Nov 18 11:02 AM
PFEIFFER GARY MDirectorOct 22 '25Sale182.401,482270,31729,431Oct 24 06:10 PM
PFEIFFER GARY MDirectorOct 22 '25Proposed Sale182.401,482270,317Oct 22 02:10 PM
PREVOZNIK MICHAEL ESVP & General CounselSep 26 '25Option Exercise103.5722723,51038,344Sep 30 04:36 PM
PREVOZNIK MICHAEL ESVP & General CounselSep 26 '25Sale188.1322742,70638,117Sep 30 04:36 PM
PREVOZNIK MICHAEL EOfficerSep 26 '25Proposed Sale188.1322742,706Sep 26 04:12 PM
PREVOZNIK MICHAEL ESVP & General CounselSep 23 '25Option Exercise103.5728,2882,929,78866,405Sep 25 04:39 PM
PREVOZNIK MICHAEL ESVP & General CounselSep 24 '25Option Exercise103.5717518,12538,292Sep 25 04:39 PM
PREVOZNIK MICHAEL ESVP & General CounselSep 23 '25Sale187.1228,2885,293,31338,117Sep 25 04:39 PM
PREVOZNIK MICHAEL ESVP & General CounselSep 24 '25Sale187.0217532,72938,117Sep 25 04:39 PM
PREVOZNIK MICHAEL EOfficerSep 24 '25Proposed Sale187.0217532,729Sep 24 04:10 PM
PREVOZNIK MICHAEL EOfficerSep 23 '25Proposed Sale187.1228,2885,293,313Sep 23 04:14 PM
Plewman PatrickSVP for Diagnostic ServicesAug 21 '25Sale185.001,975365,37515,269Aug 25 04:27 PM
Plewman PatrickSVP for Diagnostic ServicesAug 19 '25Option Exercise112.174,532508,35421,776Aug 21 04:34 PM
Plewman PatrickSVP for Diagnostic ServicesAug 19 '25Sale183.004,532829,35617,244Aug 21 04:34 PM
Plewman PatrickOfficerAug 21 '25Proposed Sale185.001,975365,375Aug 21 12:10 PM
Plewman PatrickSVP for Diagnostic ServicesAug 15 '25Sale180.001,975355,50017,244Aug 19 04:47 PM
Plewman PatrickDirectorAug 19 '25Proposed Sale183.004,532829,356Aug 19 04:09 PM
Plewman PatrickOfficerAug 15 '25Proposed Sale180.007212,960Aug 15 05:29 PM
Plewman PatrickOfficerAug 15 '25Proposed Sale180.001,903342,540Aug 15 05:22 PM
Plewman PatrickSVP for Diagnostic ServicesAug 06 '25Option Exercise86.633,560308,40324,745Aug 08 04:40 PM
Plewman PatrickSVP for Diagnostic ServicesAug 06 '25Sale175.005,535968,62519,219Aug 08 04:40 PM
Plewman PatrickOfficerAug 06 '25Proposed Sale175.005,535968,625Aug 06 01:54 PM