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DGX Insider Trading

Insider Ownership Percentage: 8.16%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $31,849,947.70

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: $184.27
Price Change: ▲ Price Increase of +1.657 (0.91%)
As of 12/4/2025 04:59 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
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  
2/24/2023Michael E. PrevoznikSVPSell1,415$141.42$200,109.3039,440View 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
12/2/2025Allworth Financial LP1,643$0.31M0.0%+8.0%0.001%Search for SEC Filing on Google Icon
12/2/2025IFP Advisors Inc12,135$2.37M0.1%-0.9%0.011%Search for SEC Filing on Google Icon
12/2/2025Swiss Life Asset Management Ltd18,616$3.55M0.0%-7.9%0.017%Search for SEC Filing on Google Icon
11/24/2025CIBC Private Wealth Group LLC4,535$0.86M0.0%+6.7%0.004%Search for SEC Filing on Google Icon
11/21/2025CIBC Bancorp USA Inc.17,190$3.28M0.0%N/A0.015%Search for SEC Filing on Google Icon
11/21/2025Achmea Investment Management B.V.144,209$27.48M0.3%+5.2%0.130%Search for SEC Filing on Google Icon
11/20/2025Old North State Trust LLC1,224$0.23M0.1%N/A0.001%Search for SEC Filing on Google Icon
11/20/2025Wilmington Savings Fund Society FSB657$0.13M0.0%-57.1%0.001%Search for SEC Filing on Google Icon
11/19/2025Auxier Asset Management LLC26,298$5.01M0.7%-1.8%0.024%Search for SEC Filing on Google Icon
11/19/2025Captrust Financial Advisors17,181$3.27M0.0%-0.7%0.015%Search for SEC Filing on Google Icon
11/19/2025Danica Pension Livsforsikringsaktieselskab70,846$13.50M0.2%N/A0.064%Search for SEC Filing on Google Icon
11/19/2025Danske Bank A S63,961$12.19M0.0%N/A0.057%Search for SEC Filing on Google Icon
11/19/2025Caitong International Asset Management Co. Ltd173$33K0.0%N/A0.000%Search for SEC Filing on Google Icon
11/18/2025Advisory Services Network LLC3,438$0.66M0.0%-2.7%0.003%Search for SEC Filing on Google Icon
11/18/2025Livforsakringsbolaget Skandia Omsesidigt889$0.17M0.0%-18.4%0.001%Search for SEC Filing on Google Icon
11/17/2025Hancock Whitney Corp67,673$12.90M0.2%+0.8%0.061%Search for SEC Filing on Google Icon
11/17/2025Kestra Private Wealth Services LLC3,107$0.59M0.0%+18.1%0.003%Search for SEC Filing on Google Icon
11/17/2025NewEdge Advisors LLC13,212$2.52M0.0%+0.7%0.012%Search for SEC Filing on Google Icon
11/17/2025CANADA LIFE ASSURANCE Co442,661$83.64M0.1%+14.6%0.398%Search for SEC Filing on Google Icon
11/17/2025Caxton Associates LLP3,528$0.67M0.0%N/A0.003%Search for SEC Filing on Google Icon
11/17/2025Wiser Advisor Group LLC337$64K0.1%N/A0.000%Search for SEC Filing on Google Icon
11/17/2025Woodline Partners LP117,436$22.38M0.1%-20.9%0.106%Search for SEC Filing on Google Icon
11/17/2025XTX Topco Ltd7,729$1.47M0.1%N/A0.007%Search for SEC Filing on Google Icon
11/17/2025United Capital Financial Advisors LLC3,118$0.59M0.0%-4.1%0.003%Search for SEC Filing on Google Icon
11/17/2025Voleon Capital Management LP3,201$0.61M0.0%N/A0.003%Search for SEC Filing on Google Icon
11/17/2025Wasatch Advisors LP17,756$3.38M0.0%-14.0%0.016%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC65,443$12.47M0.1%+37.0%0.059%Search for SEC Filing on Google Icon
11/17/2025State Street Corp5,223,930$995.58M0.0%+0.8%4.696%Search for SEC Filing on Google Icon
11/17/2025Sherbrooke Park Advisers LLC2,571$0.49M0.2%N/A0.002%Search for SEC Filing on Google Icon
11/17/2025Polymer Capital Management HK LTD1,331$0.25M0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Private Capital Management LLC8,700$1.66M0.1%+3.6%0.008%Search for SEC Filing on Google Icon
11/17/2025Quadcap Wealth Management LLC1,095$0.21M0.0%-4.9%0.001%Search for SEC Filing on Google Icon
11/17/2025Quarry LP279$53K0.0%+156.0%0.000%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd529,800$100.97M0.1%+26.9%0.476%Search for SEC Filing on Google Icon
11/17/2025Public Employees Retirement System of Ohio68,457$13.05M0.0%+0.4%0.062%Search for SEC Filing on Google Icon
11/17/2025Nomura Holdings Inc.6,275$1.20M0.0%N/A0.006%Search for SEC Filing on Google Icon
11/17/2025Northwestern Mutual Wealth Management Co.15,697$2.99M0.0%+88.8%0.014%Search for SEC Filing on Google Icon
11/17/2025Northern Trust Corp1,153,325$219.80M0.0%-2.1%1.037%Search for SEC Filing on Google Icon
11/17/2025Norinchukin Bank The6,315$1.20M0.0%+2.2%0.006%Search for SEC Filing on Google Icon
11/17/2025Mariner LLC38,300$7.30M0.0%-22.2%0.034%Search for SEC Filing on Google Icon
11/17/2025Moors & Cabot Inc.2,225$0.42M0.0%N/A0.002%Search for SEC Filing on Google Icon
11/17/2025National Bank of Canada FI56,522$10.76M0.0%-44.7%0.051%Search for SEC Filing on Google Icon
11/17/2025Mercer Global Advisors Inc. ADV92,822$17.69M0.0%+9.7%0.083%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.19,555$3.73M0.0%+6.9%0.018%Search for SEC Filing on Google Icon
11/17/2025Moneta Group Investment Advisors LLC1,337$0.26M0.0%-16.0%0.001%Search for SEC Filing on Google Icon
11/17/2025Laird Norton Wetherby Wealth Management LLC1,971$0.38M0.0%+7.2%0.002%Search for SEC Filing on Google Icon
11/17/2025Larson Financial Group LLC338$64K0.0%-28.5%0.000%Search for SEC Filing on Google Icon
11/17/2025Lido Advisors LLC4,045$0.77M0.0%+30.0%0.004%Search for SEC Filing on Google Icon
11/17/2025Integrated Wealth Concepts LLC2,657$0.51M0.0%-20.6%0.002%Search for SEC Filing on Google Icon
11/17/2025JPL Wealth Management LLC387$74K0.0%N/A0.000%Search for SEC Filing on Google Icon
11/17/2025Hilltop Holdings Inc.1,688$0.32M0.0%+5.9%0.002%Search for SEC Filing on Google Icon
11/17/2025Humankind Investments LLC6,452$1.23M0.3%+3.7%0.006%Search for SEC Filing on Google Icon
11/17/2025Gotham Asset Management LLC54,694$10.42M0.0%+83.5%0.049%Search for SEC Filing on Google Icon
11/17/2025Fred Alger Management LLC8,757$1.67M0.0%-8.4%0.008%Search for SEC Filing on Google Icon
11/17/2025Focus Partners Wealth141,357$26.94M0.0%+161.5%0.127%Search for SEC Filing on Google Icon
11/17/2025Elevation Point Wealth Partners LLC1,697$0.32M0.0%-45.0%0.002%Search for SEC Filing on Google Icon
11/17/2025EdgePoint Investment Group Inc.849,752$161.95M1.2%+66,757.0%0.764%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP1,631$0.31M0.0%+40.6%0.001%Search for SEC Filing on Google Icon
11/17/2025Crawford Investment Counsel Inc.494,432$94.23M1.6%+2.0%0.444%Search for SEC Filing on Google Icon
11/17/2025CSM Advisors LLC81,669$15.56M0.4%-19.7%0.073%Search for SEC Filing on Google Icon
11/17/2025Chevy Chase Trust Holdings LLC87,092$16.60M0.0%-6.1%0.078%Search for SEC Filing on Google Icon
11/17/2025Cinctive Capital Management LP2,908$0.55M0.0%N/A0.003%Search for SEC Filing on Google Icon
11/17/2025Ausdal Financial Partners Inc.1,111$0.21M0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Banco Bilbao Vizcaya Argentaria S.A.22,697$4.33M0.0%+4.2%0.020%Search for SEC Filing on Google Icon
11/17/2025California Public Employees Retirement System338,981$64.60M0.0%-16.6%0.305%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE1,635,075$311.61M0.0%+2.2%1.470%Search for SEC Filing on Google Icon
11/17/2025Bank of Nova Scotia15,991$3.05M0.0%+11.5%0.014%Search for SEC Filing on Google Icon
11/17/2025Aquatic Capital Management LLC42,279$8.06M0.1%-41.5%0.038%Search for SEC Filing on Google Icon
11/17/20258 Knots Management LLC275,344$52.48M5.9%+56.0%0.248%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.634,773$120.98M0.0%-48.9%0.571%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.852,826$162.53M0.0%+1.3%0.767%Search for SEC Filing on Google Icon
11/14/2025Creative Planning19,245$3.67M0.0%+11.6%0.017%Search for SEC Filing on Google Icon
11/14/2025Lazard Asset Management LLC3,606$0.69M0.0%+47.6%0.003%Search for SEC Filing on Google Icon
11/14/2025Credit Agricole S A56,831$10.83M0.0%N/A0.051%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.458,037$87.29M0.0%-10.3%0.412%Search for SEC Filing on Google Icon
11/14/2025Kelleher Financial Advisors540$0.10M0.0%N/A0.000%Search for SEC Filing on Google Icon
11/14/2025Bellevue Group AG33,015$6.29M0.1%-32.0%0.030%Search for SEC Filing on Google Icon
11/14/2025Amundi427,554$76.29M0.0%-3.6%0.384%Search for SEC Filing on Google Icon
11/14/2025Qtron Investments LLC4,990$0.95M0.1%+29.2%0.004%Search for SEC Filing on Google Icon
11/14/2025Man Group plc2,504$0.48M0.0%-16.3%0.002%Search for SEC Filing on Google Icon
11/14/2025California State Teachers Retirement System172,712$32.92M0.0%-8.6%0.155%Search for SEC Filing on Google Icon
11/14/2025Horizon Investments LLC14,689$2.79M0.0%+23.6%0.013%Search for SEC Filing on Google Icon
11/14/2025Zurcher Kantonalbank Zurich Cantonalbank 35,999$6.86M0.0%+9.5%0.032%Search for SEC Filing on Google Icon
11/14/2025Balyasny Asset Management L.P.221,503$42.21M0.1%N/A0.199%Search for SEC Filing on Google Icon
11/14/2025Fiduciary Trust Co4,616$0.88M0.0%-2.3%0.004%Search for SEC Filing on Google Icon
11/14/2025Brooklyn Investment Group1,794$0.34M0.0%+7.2%0.002%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC901,611$171.83M0.0%-25.9%0.810%Search for SEC Filing on Google Icon
11/14/2025Tower Research Capital LLC TRC 5,014$0.96M0.0%+65.6%0.005%Search for SEC Filing on Google Icon
11/14/2025Vident Advisory LLC5,086$0.97M0.0%+17.4%0.005%Search for SEC Filing on Google Icon
11/14/2025Ossiam1,059$0.20M0.0%+6.1%0.001%Search for SEC Filing on Google Icon
11/14/2025Integral Health Asset Management LLC85,000$16.20M1.1%-43.3%0.076%Search for SEC Filing on Google Icon
11/14/2025iSAM Funds UK Ltd7,713$1.47M0.3%N/A0.007%Search for SEC Filing on Google Icon
11/14/2025Wellington Management Group LLP1,441,883$274.79M0.0%-9.8%1.296%Search for SEC Filing on Google Icon
11/14/2025NorthRock Partners LLC1,363$0.26M0.0%N/A0.001%Search for SEC Filing on Google Icon
11/14/2025Bank OZK14,431$2.75M1.0%+4.6%0.013%Search for SEC Filing on Google Icon
11/14/2025Prudential PLC49,277$9.39M0.1%+13.0%0.044%Search for SEC Filing on Google Icon
11/14/2025Comerica Bank27,113$5.17M0.0%-33.9%0.024%Search for SEC Filing on Google Icon
11/14/2025Nicolet Advisory Services LLC1,796$0.33M0.0%-36.8%0.002%Search for SEC Filing on Google Icon
11/14/2025Brown Brothers Harriman & Co.576$0.11M0.0%+57.8%0.001%Search for SEC Filing on Google Icon
11/14/2025Capital Wealth Planning LLC36,493$6.96M0.0%-0.8%0.033%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: $184.27
Low: $182.25
High: $185.12

50 Day Range

MA: $184.07
Low: $174.90
High: $192.41

52 Week Range

Now: $184.27
Low: $148.70
High: $197.55

Volume

1,044,858 shs

Average Volume

1,125,294 shs

Market Capitalization

$20.50 billion

P/E Ratio

21.63

Dividend Yield

1.75%

Beta

0.62

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. — 12.81%
  2. State Street Corp — 4.70%
  3. Boston Partners — 3.63%
  4. Victory Capital Management Inc. — 2.11%
  5. Dimensional Fund Advisors LP — 1.71%
  6. Grantham Mayo Van Otterloo & Co. LLC — 1.57%
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. Alliancebernstein L.P.
  2. Victory Capital Management Inc.
  3. UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC
  4. UBS Group AG
  5. Voya Investment Management LLC
  6. Candriam S.C.A.
  7. Nordea Investment Management AB
  8. Wellington Management Group LLP
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. Boston Partners
  2. EdgePoint Investment Group Inc.
  3. Pacer Advisors Inc.
  4. Marshall Wace LLP
  5. Balyasny Asset Management L.P.
  6. Qube Research & Technologies Ltd
  7. 8 Knots Management LLC
  8. Focus Partners Wealth