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DGX Insider Trading

Insider Ownership Percentage: 8.16%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $31,578,022.30

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: $204.96
Price Change: ▲ Price Increase of +13.71 (7.17%)
As of 02/10/2026 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
2/10/2026TD Asset Management Inc54,988$9.54M0.0%-54.5%0.049%Search for SEC Filing on Google Icon
2/10/2026Cibc World Market Inc.14,017$2.43M0.0%+80.5%0.013%Search for SEC Filing on Google Icon
2/10/2026Lido Advisors LLC3,914$0.74M0.0%-3.2%0.004%Search for SEC Filing on Google Icon
2/10/2026Greenspring Advisors LLC2,442$0.42M0.0%+27.3%0.002%Search for SEC Filing on Google Icon
2/10/2026Avestar Capital LLC3,704$0.64M0.0%-22.5%0.003%Search for SEC Filing on Google Icon
2/10/2026CIBC Asset Management Inc92,129$15.99M0.0%+12.8%0.083%Search for SEC Filing on Google Icon
2/10/2026Bank of New York Mellon Corp670,741$116.39M0.0%-18.4%0.603%Search for SEC Filing on Google Icon
2/10/2026Westpac Banking Corp294$51K0.0%-65.9%0.000%Search for SEC Filing on Google Icon
2/10/2026Rice Partnership LLC24,524$4.26M0.6%+12.3%0.022%Search for SEC Filing on Google Icon
2/10/2026Dynasty Wealth Management LLC10,159$1.76M0.0%+4.2%0.009%Search for SEC Filing on Google Icon
2/10/2026Natixis Advisors LLC97,002$16.83M0.0%-23.8%0.087%Search for SEC Filing on Google Icon
2/10/2026AXQ Capital LP2,550$0.44M0.1%+23.5%0.002%Search for SEC Filing on Google Icon
2/10/2026Crestmont Private Wealth LLC4,607$0.80M0.3%+5.2%0.004%Search for SEC Filing on Google Icon
2/10/2026New Mexico Educational Retirement Board5,103$0.89M0.0%+2.0%0.005%Search for SEC Filing on Google Icon
2/10/2026Peapack Gladstone Financial Corp11,015$1.91M0.0%-0.9%0.010%Search for SEC Filing on Google Icon
2/10/2026Waterloo Capital L.P.26,330$4.57M0.3%+2.1%0.024%Search for SEC Filing on Google Icon
2/10/2026Nomura Asset Management Co. Ltd.48,438$8.41M0.0%-0.4%0.044%Search for SEC Filing on Google Icon
2/10/2026Essex Financial Services Inc.2,470$0.43M0.0%-15.1%0.002%Search for SEC Filing on Google Icon
2/10/2026Founders Financial Securities LLC1,363$0.24M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/10/2026MUFG Securities EMEA plc4,560$0.79M0.0%+113.1%0.004%Search for SEC Filing on Google Icon
2/10/2026Commonwealth of Pennsylvania Public School Empls Retrmt SYS25,876$4.49M0.0%-3.6%0.023%Search for SEC Filing on Google Icon
2/10/2026BNP Paribas Financial Markets228,057$39.58M0.0%+2.9%0.205%Search for SEC Filing on Google Icon
2/10/2026WASHINGTON TRUST Co1,300$0.23M0.0%-20.4%0.001%Search for SEC Filing on Google Icon
2/10/2026Catalyst Capital Advisors LLC14,025$2.43M0.0%-3.8%0.013%Search for SEC Filing on Google Icon
2/10/2026Forsta AP Fonden21,000$3.64M0.0%-17.0%0.019%Search for SEC Filing on Google Icon
2/10/2026Norges Bank1,322,663$229.52M0.0%N/A1.189%Search for SEC Filing on Google Icon
2/10/2026Eurizon Capital SGR S.p.A.249,182$43.24M0.1%N/A0.224%Search for SEC Filing on Google Icon
2/10/2026National Pension Service43,418$7.53M0.0%-81.5%0.039%Search for SEC Filing on Google Icon
2/10/2026Northwestern Mutual Wealth Management Co.19,278$3.35M0.0%+22.8%0.017%Search for SEC Filing on Google Icon
2/10/2026Savant Capital LLC3,283$0.57M0.0%-73.8%0.003%Search for SEC Filing on Google Icon
2/10/2026Moors & Cabot Inc.2,664$0.46M0.0%+19.7%0.002%Search for SEC Filing on Google Icon
2/10/2026Intech Investment Management LLC26,357$4.57M0.0%-39.5%0.024%Search for SEC Filing on Google Icon
2/10/2026Foundations Investment Advisors LLC2,081$0.36M0.0%-8.4%0.002%Search for SEC Filing on Google Icon
2/10/2026Baker Avenue Asset Management LP2,099$0.36M0.0%+65.9%0.002%Search for SEC Filing on Google Icon
2/10/2026Thoroughbred Financial Services LLC9,210$1.60M0.1%-3.0%0.008%Search for SEC Filing on Google Icon
2/9/2026Huntington National Bank6,483$1.13M0.0%+8.9%0.006%Search for SEC Filing on Google Icon
2/9/2026Severin Investments LLC1,566$0.27M0.2%-7.6%0.001%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC3,028,207$523.52M0.0%-0.3%2.722%Search for SEC Filing on Google Icon
2/9/2026Knights of Columbus Asset Advisors LLC46,079$8M0.5%+2.5%0.041%Search for SEC Filing on Google Icon
2/9/2026ICW Investment Advisors LLC11,582$2.01M0.7%+1.2%0.010%Search for SEC Filing on Google Icon
2/9/2026Roundview Capital LLC7,422$1.29M0.1%-18.5%0.007%Search for SEC Filing on Google Icon
2/9/2026Integrity Alliance LLC.7,977$1.38M0.1%-9.2%0.007%Search for SEC Filing on Google Icon
2/9/2026AlphaQuest LLC22,173$3.85M0.2%+242.8%0.020%Search for SEC Filing on Google Icon
2/9/2026Cary Street Partners Investment Advisory LLC1,400$0.24M0.1%-8.4%0.001%Search for SEC Filing on Google Icon
2/9/2026Harbour Investments Inc.432$75K0.0%-66.4%0.000%Search for SEC Filing on Google Icon
2/9/2026Allstate Corp8,688$1.51M0.0%+77.2%0.008%Search for SEC Filing on Google Icon
2/9/2026Summitry LLC1,974$0.34M0.0%+20.4%0.002%Search for SEC Filing on Google Icon
2/9/2026Annis Gardner Whiting Capital Advisors LLC1,160$0.20M0.0%+300.0%0.001%Search for SEC Filing on Google Icon
2/9/2026Fisher Asset Management LLC1,269$0.22M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/9/2026Clearstead Advisors LLC1,836$0.32M0.0%+64.1%0.002%Search for SEC Filing on Google Icon
2/9/2026Legal & General Group Plc742,974$128.93M0.0%-1.7%0.668%Search for SEC Filing on Google Icon
2/9/2026HBK Sorce Advisory LLC1,842$0.35M0.0%-11.3%0.002%Search for SEC Filing on Google Icon
2/9/2026Hantz Financial Services Inc.835$0.15M0.0%+9.6%0.001%Search for SEC Filing on Google Icon
2/9/2026Swedbank AB93,468$16.22M0.0%+10.1%0.084%Search for SEC Filing on Google Icon
2/9/2026Coldstream Capital Management Inc.16,967$2.94M0.0%-0.4%0.015%Search for SEC Filing on Google Icon
2/9/2026Jefferies Financial Group Inc.41,119$7.14M0.0%+91.8%0.037%Search for SEC Filing on Google Icon
2/9/2026MQS Management LLC3,209$0.56M0.3%N/A0.003%Search for SEC Filing on Google Icon
2/6/2026EverSource Wealth Advisors LLC5,956$1.03M0.0%-1.1%0.005%Search for SEC Filing on Google Icon
2/6/2026Evoke Wealth LLC2,228$0.39M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/6/2026SGL Investment Advisors Inc.28,499$5.48M2.2%+1.6%0.026%Search for SEC Filing on Google Icon
2/6/2026Keudell Morrison Wealth Management2,196$0.38M0.1%N/A0.002%Search for SEC Filing on Google Icon
2/6/2026Axxcess Wealth Management LLC7,086$1.23M0.0%+45.4%0.006%Search for SEC Filing on Google Icon
2/6/2026Commonwealth Financial Services LLC1,808$0.31M0.1%-3.6%0.002%Search for SEC Filing on Google Icon
2/6/2026Global Retirement Partners LLC1,944$0.34M0.0%+166.3%0.002%Search for SEC Filing on Google Icon
2/6/2026ABN Amro Investment Solutions72,262$12.54M0.2%-10.5%0.065%Search for SEC Filing on Google Icon
2/6/2026IFP Advisors Inc16,264$2.82M0.1%+32.5%0.015%Search for SEC Filing on Google Icon
2/6/2026Banque Cantonale Vaudoise6,981$1.21M0.0%-54.1%0.006%Search for SEC Filing on Google Icon
2/6/2026Mitsubishi UFJ Asset Management UK Ltd.3,000$0.52M0.3%-72.7%0.003%Search for SEC Filing on Google Icon
2/6/2026Covestor Ltd1,158$0.20M0.1%+38.8%0.001%Search for SEC Filing on Google Icon
2/6/2026PNC Financial Services Group Inc.36,741$6.38M0.0%-0.3%0.033%Search for SEC Filing on Google Icon
2/6/2026Tredje AP fonden13,217$2.29M0.0%-59.4%0.012%Search for SEC Filing on Google Icon
2/6/2026Larson Financial Group LLC455$79K0.0%+34.6%0.000%Search for SEC Filing on Google Icon
2/6/2026Handelsbanken Fonder AB35,452$6.15M0.0%-5.2%0.032%Search for SEC Filing on Google Icon
2/6/2026Resona Asset Management Co. Ltd.43,497$7.56M0.0%-1.5%0.039%Search for SEC Filing on Google Icon
2/6/2026ProShare Advisors LLC28,430$4.93M0.0%+5.5%0.026%Search for SEC Filing on Google Icon
2/6/2026HighTower Advisors LLC41,347$7.18M0.0%+1.5%0.037%Search for SEC Filing on Google Icon
2/6/2026Envestnet Portfolio Solutions Inc.4,551$0.79M0.0%+6.4%0.004%Search for SEC Filing on Google Icon
2/6/2026Payden & Rygel93,400$16.21M1.1%-0.8%0.084%Search for SEC Filing on Google Icon
2/5/2026TD Private Client Wealth LLC3,700$0.64M0.0%-8.8%0.003%Search for SEC Filing on Google Icon
2/5/2026North Dakota State Investment Board3,823$0.66M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/5/2026Roberts Glore & Co. Inc. IL11,693$2.03M0.5%-3.6%0.011%Search for SEC Filing on Google Icon
2/5/2026iA Global Asset Management Inc.11,451$1.99M0.0%+13,215.1%0.010%Search for SEC Filing on Google Icon
2/5/2026John G Ullman & Associates Inc.1,932$0.34M0.0%+73.4%0.002%Search for SEC Filing on Google Icon
2/5/2026Canada Post Corp Registered Pension Plan23,015$3.99M0.2%-20.1%0.021%Search for SEC Filing on Google Icon
2/5/2026Arjuna Capital9,463$1.64M0.4%+3.6%0.009%Search for SEC Filing on Google Icon
2/5/2026AlphaCore Capital LLC4,597$0.80M0.0%+219.2%0.004%Search for SEC Filing on Google Icon
2/5/2026DNB Asset Management AS22,529$3.91M0.0%+8.1%0.020%Search for SEC Filing on Google Icon
2/5/2026ANTIPODES PARTNERS Ltd171,987$29.85M0.6%+178.7%0.155%Search for SEC Filing on Google Icon
2/5/2026Commerzbank Aktiengesellschaft FI3,021$0.52M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/5/2026Northwestern Mutual Wealth Management Co.20,603$3.86M0.0%+31.3%0.019%Search for SEC Filing on Google Icon
2/5/2026Thrivent Financial for Lutherans17,938$3.11M0.0%+77.8%0.016%Search for SEC Filing on Google Icon
2/5/2026Conning Inc.173,262$30.07M1.0%N/A0.156%Search for SEC Filing on Google Icon
2/5/2026New York Life Investment Management LLC16,178$2.81M0.0%-1.0%0.015%Search for SEC Filing on Google Icon
2/5/2026Pinnacle Associates Ltd.12,802$2.22M0.0%+0.9%0.012%Search for SEC Filing on Google Icon
2/4/2026Independent Advisor Alliance4,298$0.75M0.0%+1.6%0.004%Search for SEC Filing on Google Icon
2/4/2026Legacy Financial Advisors Inc.1,567$0.27M0.0%-9.6%0.001%Search for SEC Filing on Google Icon
2/4/2026World Investment Advisors2,733$0.47M0.0%+3.8%0.002%Search for SEC Filing on Google Icon
2/4/2026Hartford Investment Management Co.6,451$1.12M0.0%-2.7%0.006%Search for SEC Filing on Google Icon
2/4/2026HighPoint Advisor Group LLC7,236$1.26M0.1%+3.9%0.007%Search for SEC Filing on Google Icon
2/4/2026Versor Investments LP5,482$0.95M0.1%-14.2%0.005%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: $204.96
Low: $191.90
High: $207.05

50 Day Range

MA: $181.77
Low: $173.43
High: $204.96

52 Week Range

Now: $204.96
Low: $157.20
High: $207.05

Volume

2,295,792 shs

Average Volume

1,098,539 shs

Market Capitalization

$22.80 billion

P/E Ratio

24.06

Dividend Yield

1.67%

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. Geode Capital Management LLC — 2.72%
  3. Davis Selected Advisers — 1.43%
  4. Norges Bank — 1.19%
  5. UBS Group AG — 1.00%
  6. Legal & General Group Plc — 0.67%
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. National Pension Service
  2. Bank of New York Mellon Corp
  3. Universal Beteiligungs und Servicegesellschaft mbH
  4. TD Asset Management Inc
  5. Pictet Asset Management Holding SA
  6. Natixis Advisors LLC
  7. AEGON ASSET MANAGEMENT UK Plc
  8. Tredje AP fonden
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. UBS Group AG
  3. Eurizon Capital SGR S.p.A.
  4. Davis Selected Advisers
  5. Conning Inc.
  6. SG Americas Securities LLC
  7. Vanguard Group Inc.
  8. ANTIPODES PARTNERS Ltd