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NYSE: DGX
Quest Diagnostics Inc Stock Ownership - Who owns Quest Diagnostics?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Quest Diagnostics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Mark E. DelaneySVP Chief Commercial Officer2025-05-13874$175.31
$153.22kSell
Mark E. DelaneySVP Chief Commercial Officer2025-05-12874$175.72
$153.58kSell
Patrick PlewmanSVP for Diagnostic Services2025-04-2181$164.42
$13.32kBuy
Karthik KuppusamySVP Clinical Solutions2025-04-2127$164.42
$4.44kBuy
Vicky B. GreggDirector2025-04-2168$164.42
$11.18kBuy
Sam SamadExecutive Vice President CFO2025-04-2174$164.42
$12.17kBuy
Mark E. DelaneySVP Chief Commercial Officer2025-04-2125$164.42
$4.11kBuy
J. E. DavisCEO and President2025-04-026,950$167.86
$1.17MSell
J. E. DavisCEO and President2025-04-022,493$169.57
$422.74kSell
J. E. DavisCEO and President2025-04-02750$167.86
$125.90kSell

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Net Insider Buy/Sell (L12M) Ownership

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DGX Shareholders

What type of owners hold Quest Diagnostics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vanguard Group Inc12.48%13,936,716$2.51BInstitution
Blackrock Inc9.04%10,097,310$1.82BInstitution
Price T Rowe Associates Inc5.36%5,984,238$1.08BInstitution
State Street Corp4.64%5,176,859$932.92MInstitution
Jpmorgan Chase Co3.38%3,769,938$679.38MInstitution
Victory Capital Management Inc2.81%3,133,527$564.69MInstitution
Geode Capital Management LLC2.49%2,774,154$499.93MInstitution
Davis Selected Advisers2.14%2,388,302$430.40MInstitution
Boston Partners2.06%2,295,746$413.72MInstitution
Grantham Mayo Van Otterloo Co LLC1.80%2,006,545$361.60MInstitution

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DGX vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
DGX90.90%1.78%Net SellingNet Selling
WAT92.13%7.87%Net SellingNet Selling
LH91.54%1.53%Net SellingNet Selling
NTRA79.86%20.14%Net SellingNet Selling
MTD95.33%4.67%Net SellingNet Buying
View Top Diagnostic & Research Stocks

Quest Diagnostics Stock Ownership FAQ

Who owns Quest Diagnostics?

Quest Diagnostics (NYSE: DGX) is owned by 90.90% institutional shareholders, 1.78% Quest Diagnostics insiders, and 7.32% retail investors. Vanguard Group Inc is the largest individual Quest Diagnostics shareholder, owning 13.94M shares representing 12.48% of the company. Vanguard Group Inc's Quest Diagnostics shares are currently valued at $2.51B.

If you're new to stock investing, here's how to buy Quest Diagnostics stock.
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