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DGX Insider Trading

Insider Ownership Percentage: 8.16%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $34,371,454.52

Quest Diagnostics Insider Trading History Chart

This chart shows the insider buying and selling history at Quest Diagnostics by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Quest Diagnostics Share Price & Price History

Current Price: $196.46
Price Change: ▲ Price Increase of +0.857 (0.44%)
As of 03/24/2026 01:37 PM ET

This chart shows the closing price history over time for DGX up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Quest Diagnostics Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/5/2026Catherine T. DohertyEVPSell5,558$206.21$1,146,115.1867,122View SEC Filing Icon  
3/5/2026Michael E. PrevoznikSVPSell3,878$206.21$799,682.3837,557View SEC Filing Icon  
3/5/2026Patrick PlewmanSVPSell2,855$206.21$588,729.5515,198View SEC Filing Icon  
3/4/2026Karthik KuppusamySVPSell2,628$204.86$538,372.0813,441View SEC Filing Icon  
2/19/2026Catherine T. DohertyEVPSell1,433$204.83$293,521.3968,402View SEC Filing Icon  
2/19/2026Michael E. PrevoznikSVPSell1,111$204.83$227,566.1338,371View SEC Filing Icon  
2/19/2026Patrick PlewmanSVPSell958$204.83$196,227.1415,838View SEC Filing Icon  
2/10/2026Patrick PlewmanSVPSell5,662$204.00$1,155,048.0015,381View SEC Filing Icon  
11/25/2025J. E DavisCEOSell55,093$192.22$10,589,976.46120,480View SEC Filing Icon  
11/25/2025Vicky B. GreggDirectorSell1,250$191.76$239,700.0017,037View SEC Filing Icon  
11/18/2025Mark E. DelaneySVPSell7,946$187.35$1,488,683.107,530View SEC Filing Icon  
10/22/2025Gary M PfeifferDirectorSell1,482$182.40$270,316.8029,431View SEC Filing Icon  
9/26/2025Michael E. PrevoznikSVPSell227$188.13$42,705.5138,117View SEC Filing Icon  
9/24/2025Michael E. PrevoznikSVPSell175$187.02$32,728.5038,117View SEC Filing Icon  
9/23/2025Michael E. PrevoznikSVPSell28,288$187.12$5,293,250.5638,117View SEC Filing Icon  
8/21/2025Patrick PlewmanSVPSell1,975$185.00$365,375.0015,269View SEC Filing Icon  
8/19/2025Patrick PlewmanSVPSell4,532$183.00$829,356.0017,244View SEC Filing Icon  
8/15/2025Patrick PlewmanSVPSell1,975$180.00$355,500.0017,244View SEC Filing Icon  
8/6/2025Patrick PlewmanSVPSell5,535$175.00$968,625.0019,219View SEC Filing Icon  
7/31/2025Karthik KuppusamySVPSell2,210$170.00$375,700.008,450View SEC Filing Icon  
7/30/2025Karthik KuppusamySVPSell8,269$167.40$1,384,230.6010,660View SEC Filing Icon  
5/12/2025Mark E. DelaneySVPSell874$175.72$153,579.288,372View SEC Filing Icon  
4/2/2025J. E DavisCEOSell39,191$168.46$6,602,115.86127,623View SEC Filing Icon  
4/2/2025Karthik KuppusamySVPSell2,555$170.00$434,350.0010,575View SEC Filing Icon  
3/17/2025Michael E. PrevoznikSVPSell4,643$170.00$789,310.0038,117View SEC Filing Icon  
3/5/2025Catherine T. DohertyEVPSell5,370$174.13$935,078.1068,068View SEC Filing Icon  
2/27/2025Catherine T. DohertyEVPSell824$172.61$142,230.6469,178View SEC Filing Icon  
2/27/2025Michael E. PrevoznikSVPSell528$172.61$91,138.0839,031View SEC Filing Icon  
2/20/2025Michael E. PrevoznikSVPSell604$170.99$103,277.9639,845View SEC Filing Icon  
2/19/2025Catherine T. DohertyEVPSell535$169.71$90,794.8571,356View SEC Filing Icon  
2/5/2025Mark E. DelaneySVPSell403$164.30$66,212.904,624View SEC Filing Icon  
2/5/2025Vicky B. GreggDirectorSell1,250$164.57$205,712.5016,867View SEC Filing Icon  
11/6/2024Michael J. DeppeCAOSell18,755$154.05$2,889,207.7534,941View SEC Filing Icon  
10/28/2024Karthik KuppusamySVPSell1,775$156.92$278,533.009,734View SEC Filing Icon  
8/28/2024Karthik KuppusamySVPSell1,990$153.26$304,987.4011,459View SEC Filing Icon  
7/24/2024Mark E. DelaneySVPSell420$143.08$60,093.605,019View SEC Filing Icon  
4/29/2024Karthik KuppusamySVPSell1,760$140.00$246,400.0013,435View SEC Filing Icon  
2/29/2024Michael E. PrevoznikSVPSell5,611$125.88$706,312.6838,478View SEC Filing Icon  
2/28/2024Catherine T. DohertyEVPSell5,557$126.57$703,349.4969,599View SEC Filing Icon  
2/23/2024Vicky B. GreggDirectorSell2,500$126.64$316,600.0016,329View SEC Filing Icon  
2/22/2024Catherine T. DohertyEVPSell821$126.14$103,560.9470,800View SEC Filing Icon  
2/22/2024Michael E. PrevoznikSVPSell661$126.14$83,378.5440,206View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Quest Diagnostics (NYSE:DGX)

88.06% of Quest Diagnostics stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at DGX by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Quest Diagnostics Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/20/2026Hsbc Holdings PLC227,107$39.49M0.0%+6.8%0.207%Search for SEC Filing on Google Icon
3/17/2026Rockefeller Capital Management L.P.29,322$5.09M0.0%-72.1%0.027%Search for SEC Filing on Google Icon
3/13/2026World Investment Advisors2,733$0.47M0.0%+3.8%0.002%Search for SEC Filing on Google Icon
3/9/2026Corient Private Wealth LLC36,613$6.35M0.0%+40.0%0.033%Search for SEC Filing on Google Icon
3/6/2026Hsbc Holdings PLC227,107$39.49M0.0%+6.8%0.207%Search for SEC Filing on Google Icon
3/3/2026Caitong International Asset Management Co. Ltd380$66K0.0%+119.7%0.000%Search for SEC Filing on Google Icon
2/25/2026Sit Investment Associates Inc.18,615$3.23M0.1%-61.1%0.017%Search for SEC Filing on Google Icon
2/24/2026Pacer Advisors Inc.447,727$77.69M0.1%-0.7%0.402%Search for SEC Filing on Google Icon
2/23/2026Kera Capital Partners Inc.1,780$0.33M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/23/2026Virtu Financial LLC3,038$0.53M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/20/2026Dean Capital Management12,478$2.17M0.9%+3.2%0.011%Search for SEC Filing on Google Icon
2/19/2026Compound Planning Inc.3,582$0.62M0.0%+169.7%0.003%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.1,666,979$289.27M0.0%-1.3%1.499%Search for SEC Filing on Google Icon
2/19/2026Axxcess Wealth Management LLC3,468$0.60M0.0%-28.8%0.003%Search for SEC Filing on Google Icon
2/19/2026Corient Private Wealth LLC165,729$28.76M0.0%+533.8%0.149%Search for SEC Filing on Google Icon
2/18/2026Alpine Woods Capital Investors LLC19,402$3.37M0.8%+10.7%0.017%Search for SEC Filing on Google Icon
2/18/2026Strive Financial Group LLC506$88K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/18/2026Mercer Global Advisors Inc. ADV97,627$16.94M0.0%+5.2%0.088%Search for SEC Filing on Google Icon
2/18/2026Achmea Investment Management B.V.137,988$23.95M0.6%-4.3%0.124%Search for SEC Filing on Google Icon
2/18/2026Beacon Pointe Advisors LLC2,998$0.52M0.0%+21.7%0.003%Search for SEC Filing on Google Icon
2/18/2026First Citizens Bank & Trust Co.3,703$0.64M0.0%-21.8%0.003%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury23,856$4.46M0.0%-4.4%0.021%Search for SEC Filing on Google Icon
2/18/2026EP Wealth Advisors LLC3,473$0.60M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp104,846$18.36M0.0%-33.4%0.094%Search for SEC Filing on Google Icon
2/18/2026Fuller & Thaler Asset Management Inc.19,562$3.40M0.0%+37.8%0.018%Search for SEC Filing on Google Icon
2/18/2026NewEdge Advisors LLC13,510$2.34M0.0%+2.3%0.012%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC24,995$4.34M0.0%+199.1%0.022%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd11,730$2.04M0.1%+51.8%0.011%Search for SEC Filing on Google Icon
2/18/2026VestGen Advisors LLC1,473$0.26M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP100,146$17.38M0.0%-93.1%0.090%Search for SEC Filing on Google Icon
2/18/2026Susquehanna Portfolio Strategies LLC36,421$6.32M0.1%N/A0.033%Search for SEC Filing on Google Icon
2/18/2026Toronto Dominion Bank49,699$8.62M0.0%+20.9%0.045%Search for SEC Filing on Google Icon
2/18/2026Twinbeech Capital LP28,913$5.02M0.4%N/A0.026%Search for SEC Filing on Google Icon
2/18/2026Summit Securities Group LLC165$29K0.0%-73.0%0.000%Search for SEC Filing on Google Icon
2/18/2026Polymer Capital Management US LLC6,817$1.18M0.1%N/A0.006%Search for SEC Filing on Google Icon
2/18/2026Oxford Asset Management LLP1,456$0.25M0.1%N/A0.001%Search for SEC Filing on Google Icon
2/18/2026Man Group plc80,190$13.92M0.0%+3,102.5%0.072%Search for SEC Filing on Google Icon
2/18/2026IHT Wealth Management LLC2,481$0.43M0.0%+104.4%0.002%Search for SEC Filing on Google Icon
2/18/2026Investment Management Corp of Ontario7,497$1.30M0.0%+44.4%0.007%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC13,939$2.42M0.0%-1.3%0.013%Search for SEC Filing on Google Icon
2/18/2026Gotham Asset Management LLC79,395$13.78M0.1%+45.2%0.071%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP14,526$2.52M0.0%+121.9%0.013%Search for SEC Filing on Google Icon
2/18/2026Casdin Capital LLC50,000$8.68M0.5%N/A0.045%Search for SEC Filing on Google Icon
2/18/2026Artia Global Partners LP40,817$7.08M1.0%-50.1%0.037%Search for SEC Filing on Google Icon
2/18/2026Balyasny Asset Management L.P.1,695$0.29M0.0%-99.2%0.002%Search for SEC Filing on Google Icon
2/18/2026Banco Bilbao Vizcaya Argentaria S.A.21,866$3.79M0.0%-3.7%0.020%Search for SEC Filing on Google Icon
2/18/2026Boothbay Fund Management LLC4,041$0.70M0.0%N/A0.004%Search for SEC Filing on Google Icon
2/18/2026Armistice Capital LLC1,351$0.23M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/18/2026Auxier Asset Management LLC25,911$4.50M0.6%-1.5%0.023%Search for SEC Filing on Google Icon
2/18/2026Align Financial LLC19,088$3.31M0.0%N/A0.017%Search for SEC Filing on Google Icon
2/17/2026Freestone Grove Partners LP309,214$53.66M0.4%N/A0.278%Search for SEC Filing on Google Icon
2/17/2026Guggenheim Capital LLC2,451$0.43M0.0%-14.2%0.002%Search for SEC Filing on Google Icon
2/17/2026Bank OZK14,358$2.49M0.9%-0.5%0.013%Search for SEC Filing on Google Icon
2/17/2026EdgePoint Investment Group Inc.1,661,072$288.25M2.4%+95.5%1.493%Search for SEC Filing on Google Icon
2/17/2026Integrated Advisors Network LLC1,465$0.25M0.0%-6.3%0.001%Search for SEC Filing on Google Icon
2/17/2026DV Equities LLC155$27K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC67,217$11.66M0.0%+34.3%0.060%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers28,912$5.02M0.0%-1.3%0.026%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC75,834$13.16M0.0%+2,003.0%0.068%Search for SEC Filing on Google Icon
2/17/2026Colter Lewis Investment Partners LLC1,751$0.30M0.4%N/A0.002%Search for SEC Filing on Google Icon
2/17/2026Laird Norton Wetherby Trust Company LLC7,580$1.32M0.0%N/A0.007%Search for SEC Filing on Google Icon
2/17/2026TCW Group Inc.28,708$4.98M0.0%+8.0%0.026%Search for SEC Filing on Google Icon
2/17/2026Amundi464,164$80.55M0.0%+8.6%0.417%Search for SEC Filing on Google Icon
2/17/2026iSAM Funds UK Ltd1,768$0.31M0.1%-77.1%0.002%Search for SEC Filing on Google Icon
2/17/2026FIL Ltd30,971$5.37M0.0%+60.1%0.028%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC2,125$0.37M0.0%-50.6%0.002%Search for SEC Filing on Google Icon
2/17/2026Sciencast Management LP7,588$1.32M0.2%-62.7%0.007%Search for SEC Filing on Google Icon
2/17/2026Northern Trust Corp1,078,573$187.17M0.0%-6.5%0.970%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD6,297,157$1.09B0.1%-10.1%5.661%Search for SEC Filing on Google Icon
2/17/2026Dean Investment Associates LLC24,269$4.21M0.6%+2.6%0.022%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.19,609$3.41M0.0%-19.6%0.018%Search for SEC Filing on Google Icon
2/17/2026Integral Health Asset Management LLC75,000$13.02M0.6%-11.8%0.067%Search for SEC Filing on Google Icon
2/17/2026Advisory Services Network LLC3,518$0.61M0.0%+2.3%0.003%Search for SEC Filing on Google Icon
2/17/2026Tower Research Capital LLC TRC 4,843$0.84M0.0%-3.4%0.004%Search for SEC Filing on Google Icon
2/17/2026Public Employees Retirement System of Ohio64,442$11.18M0.0%-5.9%0.058%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System168,001$29.15M0.0%-2.7%0.151%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.96,049$16.69M0.0%-3.8%0.086%Search for SEC Filing on Google Icon
2/17/2026Atom Investors LP24,043$4.17M0.3%N/A0.022%Search for SEC Filing on Google Icon
2/17/2026Crawford Investment Counsel Inc.496,499$86.16M1.4%+0.4%0.446%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board76,269$13.24M0.0%-9.6%0.069%Search for SEC Filing on Google Icon
2/17/2026Captrust Financial Advisors25,317$4.39M0.0%+47.4%0.023%Search for SEC Filing on Google Icon
2/17/2026&PARTNERS111,102$19.29M0.1%+10.0%0.100%Search for SEC Filing on Google Icon
2/17/2026Siemens Fonds Invest GmbH6,188$1.09M0.1%+71.3%0.006%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP4,802$0.83M0.0%-56.9%0.004%Search for SEC Filing on Google Icon
2/17/2026Blair William & Co. IL103,375$17.94M0.0%+5.6%0.093%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada228,731$39.69M0.0%-51.6%0.206%Search for SEC Filing on Google Icon
2/17/2026Berkshire Asset Management LLC PA2,592$0.45M0.0%+4.1%0.002%Search for SEC Filing on Google Icon
2/17/2026Rakuten Investment Management Inc.14,658$2.57M0.0%-40.7%0.013%Search for SEC Filing on Google Icon
2/17/2026University of Texas Texas AM Investment Management Co.183$32K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/16/2026OMERS ADMINISTRATION Corp1,567$0.27M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/16/2026USS Investment Management Ltd16,097$2.79M0.0%+0.7%0.014%Search for SEC Filing on Google Icon
2/16/2026Vanguard Personalized Indexing Management LLC16,561$2.87M0.0%-0.8%0.015%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC22,766$3.95M0.0%-65.2%0.020%Search for SEC Filing on Google Icon
2/16/2026Panagora Asset Management Inc.1,664$0.29M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/16/2026MML Investors Services LLC8,819$1.53M0.0%+7.3%0.008%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC45,642$7.92M0.0%+19.2%0.041%Search for SEC Filing on Google Icon
2/16/2026Nicolet Advisory Services LLC1,479$0.26M0.0%-17.7%0.001%Search for SEC Filing on Google Icon
2/16/2026Focus Partners Wealth153,982$26.72M0.0%+8.9%0.138%Search for SEC Filing on Google Icon
2/16/2026Healthcare of Ontario Pension Plan Trust Fund168,397$29.22M0.0%+3,703.9%0.151%Search for SEC Filing on Google Icon
2/16/2026Destination Wealth Management1,798$0.31M0.0%N/A0.002%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Quest Diagnostics logo
Quest Diagnostics Incorporated provides diagnostic testing and services in the United States and internationally. The company develops and delivers diagnostic information services, such as routine, non-routine and advanced clinical testing, anatomic pathology testing, and other diagnostic information services. It offers diagnostic information services primarily under the Quest Diagnostics brand, as well as under the AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum brands to physicians, hospitals, patients and consumers, health plans, government agencies, employers, retailers, pharmaceutical companies and insurers, and accountable care organizations through a network of laboratories, patient service centers, phlebotomists in physician offices, call centers and mobile phlebotomists, nurses, and other health and wellness professionals. The company also provides risk assessment services for the life insurance industry; and healthcare organizations and clinicians information technology solutions. Quest Diagnostics Incorporated was founded in 1967 and is headquartered in Secaucus, New Jersey.
Read More on Quest Diagnostics

Today's Range

Now: $196.46
Low: $193.81
High: $196.79

50 Day Range

MA: $196.65
Low: $180.05
High: $211.75

52 Week Range

Now: $196.46
Low: $157.20
High: $213.50

Volume

129,833 shs

Average Volume

995,888 shs

Market Capitalization

$21.58 billion

P/E Ratio

22.45

Dividend Yield

1.65%

Beta

0.66

Who are the company insiders with the largest holdings of Quest Diagnostics?

Quest Diagnostics' top insider shareholders include:
  1. J E Davis (CEO)
  2. Catherine T Doherty (EVP)
  3. Michael E Prevoznik (SVP)
  4. Michael J Deppe (CAO)
  5. Gary M Pfeiffer (Director)
  6. Patrick Plewman (SVP)
  7. Vicky B Gregg (Director)
  8. Karthik Kuppusamy (SVP)
  9. Mark E Delaney (SVP)
Learn More about top insider investors at Quest Diagnostics.

Who are the major institutional investors of Quest Diagnostics?

Quest Diagnostics' top institutional shareholders include:
  1. Vanguard Group Inc. — 12.94%
  2. Price T Rowe Associates Inc. MD — 5.66%
  3. State Street Corp — 4.84%
  4. JPMorgan Chase & Co. — 3.73%
  5. Boston Partners — 3.52%
  6. Geode Capital Management LLC — 2.72%
Learn More about top institutional investors of Quest Diagnostics stock.

Which institutional investors are selling Quest Diagnostics stock?

In the last quarter, DGX stock was sold by these institutional investors:
  1. Wellington Management Group LLP
  2. Price T Rowe Associates Inc. MD
  3. Marshall Wace LLP
  4. Macquarie Group Ltd.
  5. Royal Bank of Canada
  6. Balyasny Asset Management L.P.
  7. Victory Capital Management Inc.
  8. National Pension Service
In the previous year, company insiders that have sold Quest Diagnostics company stock include:
  1. J E Davis (CEO)
  2. Catherine T Doherty (EVP)
  3. Michael E Prevoznik (SVP)
  4. Michael J Deppe (CAO)
  5. Gary M Pfeiffer (Director)
  6. Patrick Plewman (SVP)
  7. Vicky B Gregg (Director)
  8. Karthik Kuppusamy (SVP)
Learn More investors selling Quest Diagnostics stock.

Which institutional investors are buying Quest Diagnostics stock?

During the last quarter, DGX stock was bought by institutional investors including:
  1. Norges Bank
  2. EdgePoint Investment Group Inc.
  3. UBS Group AG
  4. Morgan Stanley
  5. Freestone Grove Partners LP
  6. Eurizon Capital SGR S.p.A.
  7. Davis Selected Advisers
  8. Conning Inc.