Quest Diagnostics Inc

DGX

Exchange: NYSE
Industry: Services-Medical Laboratories
SEC CIK: 0001022079

SEC filings (opens in a new tab)

In the last 90 days, Quest Diagnostics Inc insiders filed 0 open-market purchases and 3 sales; 1,112 institutions reported holding it in 13F filings for Q2 2026, worth $22.2B in total; no superinvestor holds it.

13F holders, Q1 2021

Institutional positions in Quest Diagnostics Inc as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 818; No complete 13F data for Q4 2020
Shares held: 115.7M; No complete 13F data for Q4 2020
Total value: $14.8B; No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting DGX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 818 institutions

Value heldQ1 2021: $14.8B

Institutions holding DGX and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,112	$22.2B
Q1 2026	1,069	$20.1B
Q4 2025	1,050	$18.4B
Q3 2025	1,006	$20.0B
Q2 2025	991	$19.3B
Q1 2025	969	$17.5B
Q4 2024	896	$15.0B
Q3 2024	849	$15.2B
Q2 2024	839	$13.3B
Q1 2024	818	$13.2B
Q4 2023	829	$13.5B
Q3 2023	797	$12.0B
Q2 2023	820	$14.0B
Q1 2023	837	$14.2B
Q4 2022	881	$15.5B
Q3 2022	809	$12.6B
Q2 2022	853	$13.8B
Q1 2022	852	$14.4B
Q4 2021	906	$18.0B
Q3 2021	840	$15.9B
Q2 2021	816	$15.0B
Q1 2021	818	$14.8B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding DGX in Q1 2021
Institution	Shares	Value	% of portfolio	Change in shares	Action
Cambridge Investment Research Advisors, Inc.	13,667	$1.75M	0.01%	–	–
Marshall Wace North America L.P.	13,416	$1.72M	0.01%	–	–
HM Payson & Co	13,408	$1.72M	0.05%	–	–
Public Sector Pension Investment Board	13,346	$1.71M	0.01%	–	–
Assenagon Asset Management S.A.	13,199	$1.69M	0.01%	–	–
Commerce Bank	12,974	$1.67M	0.01%	–	–
Jarislowsky, Fraser Ltd	12,832	$1.65M	0.01%	–	–
SRB Corp	12,806	$1.64M	0.11%	–	–
Occudo Quantitative Strategies LP	12,739	$1.64M	0.36%	–	–
CIBC World Markets Corp	12,727	$1.63M	0.01%	–	–
Vontobel Holding Ltd.	12,646	$1.62M	0.01%	–	–
Bridgewater Advisors Inc.	11,924	$1.62M	0.82%	–	–
Miller Investment Management, LP	12,605	$1.62M	0.30%	–	–
WBI Investments	12,566	$1.61M	0.25%	–	–
Zurich Insurance Group Ltd	12,500	$1.60M	0.02%	–	–
Security National Trust Co	12,408	$1.59M	0.37%	–	–
Point72 Hong Kong Ltd	12,317	$1.58M	0.13%	–	–
Blair William & Co	12,304	$1.58M	0.01%	–	–
Somerset Trust Co	12,207	$1.57M	0.68%	–	–
Kinneret Advisory, LLC	12,193	$1.56M	0.20%	–	–
Exencial Wealth Advisors, LLC	12,186	$1.56M	0.09%	–	–
Bowling Portfolio Management LLC	12,095	$1.55M	0.37%	–	–
Alphasimplex Group, LLC	12,028	$1.54M	0.65%	–	–
American Assets Investment Management, LLC	12,000	$1.54M	0.21%	–	–
Panagora Asset Management Inc	11,928	$1.53M	0.01%	–	–
Moody National Bank Trust Division	11,917	$1.53M	0.04%	–	–
Pinnacle Associates Ltd	11,900	$1.53M	0.03%	–	–
Worldquant Millennium Advisors LLC	11,871	$1.52M	0.03%	–	–
ExodusPoint Capital Management, LP	11,807	$1.51M	0.03%	–	–
Members Capital Advisors Inc	11,612	$1.49M	1.14%	–	–
ACG Wealth	11,555	$1.48M	0.20%	–	–
Northwestern Mutual Wealth Management Co	11,417	$1.46M	0.00%	–	–
CAMG Solamere Management, LLC	11,385	$1.46M	1.26%	–	–
Securian Asset Management, Inc	11,232	$1.44M	0.03%	–	–
Oregon Public Employees Retirement Fund	11,223	$1.44M	0.02%	–	–
MUFG Americas Holdings Corp	11,150	$1.43M	0.03%	–	–
Norinchukin Bank, The	11,102	$1.43M	0.02%	–	–
Cito Capital Group, LLC	11,072	$1.42M	0.69%	–	–
Quantbot Technologies LP	10,920	$1.40M	0.13%	–	–
Cascade Investment Advisors, Inc.	10,885	$1.40M	0.91%	–	–
American National Insurance Co	10,817	$1.39M	0.06%	–	–
Parsons Capital Management Inc	10,790	$1.39M	0.11%	–	–
Dean Investment Associates, LLC	10,704	$1.37M	0.26%	–	–
Twin Capital Management Inc	10,646	$1.37M	0.14%	–	–
Pathstone Family Office, LLC	10,638	$1.36M	0.05%	–	–
JGP Wealth Management, LLC	10,604	$1.36M	0.30%	–	–
Banque Cantonale Vaudoise	10,546	$1.35M	0.07%	–	–
Laurel Wealth Advisors, Inc.	10,470	$1.34M	0.20%	–	–
Eqis Capital Management, Inc.	10,462	$1.34M	0.10%	–	–
Thrivent Financial for Lutherans	10,431	$1.34M	0.00%	–	–
Siemens Fonds Invest GmbH	10,367	$1.33M	0.13%	–	–
Peapack Gladstone Financial Corp	10,357	$1.33M	0.03%	–	–
Pearl River Capital, LLC	10,345	$1.33M	0.42%	–	–
Hussman Strategic Advisors, Inc.	10,300	$1.32M	0.27%	–	–
Maryland State Retirement & Pension System	10,222	$1.31M	0.05%	–	–
Teachers Retirement System of the State of Kentucky	10,050	$1.29M	0.01%	–	–
Donoghue Forlines LLC	10,002	$1.28M	0.25%	–	–
Sawyer & Company, Inc	9,997	$1.28M	0.64%	–	–
United Capital Financial Advisers, LLC	9,758	$1.25M	0.01%	–	–
ICW Investment Advisors LLC	9,495	$1.22M	0.84%	–	–
Kingsview Wealth Management, LLC	9,396	$1.22M	0.07%	–	–
Coldstream Capital Management Inc	9,420	$1.21M	0.07%	–	–
Tower Research Capital LLC (TRC)	9,372	$1.20M	0.02%	–	–
Philadelphia Trust Co	9,278	$1.19M	0.09%	–	–
Seven Eight Capital, LP	9,980	$1.19M	0.27%	–	–
Creative Planning	9,038	$1.16M	0.00%	–	–
Delphi Management Inc	8,947	$1.15M	1.22%	–	–
Montgomery Investment Management Inc	8,940	$1.15M	0.44%	–	–
Sowell Financial Services LLC	8,257	$1.14M	0.04%	–	–
ING Groep NV	8,836	$1.13M	0.02%	–	–
Keeler Thomas Management LLC	8,714	$1.12M	0.59%	–	–
Jag Capital Management, LLC	8,672	$1.11M	0.10%	–	–
Shell Asset Management Co	8,585	$1.10M	0.02%	–	–
New Mexico Educational Retirement Board	8,503	$1.09M	0.04%	–	–
Massmutual Trust Co FSB	8,377	$1.07M	0.05%	–	–
Jackson Creek Investment Advisors LLC	8,349	$1.07M	0.37%	–	–
Atria Investments LLC	8,349	$1.07M	0.02%	–	–
Prudential PLC	8,306	$1.07M	0.01%	–	–
Mastrapasqua Asset Management Inc	8,303	$1.07M	0.12%	–	–
Louisiana State Employees Retirement System	8,300	$1.06M	0.03%	–	–
Sumitomo Mitsui DS Asset Management Company, Ltd	8,262	$1.06M	0.03%	–	–
Pendal Group Limited	8,177	$1.05M	0.01%	–	–
Blueshift Asset Management, LLC	8,153	$1.05M	0.11%	–	–
Boston Private Wealth LLC	8,131	$1.04M	0.01%	–	–
Alpine Woods Capital Investors, LLC	8,123	$1.04M	0.12%	–	–
Werlinich Asset Management, LLC	8,045	$1.03M	0.91%	–	–
We Are One Seven, LLC	7,940	$1.02M	0.17%	–	–
First Hawaiian Bank	7,893	$1.01M	0.04%	–	–
Colony Group LLC	7,876	$1.01M	0.02%	–	–
Kentucky Retirement Systems	7,856	$1.01M	0.05%	–	–
Capital Advisory Group Advisory Services, LLC	7,832	$1.00M	0.39%	–	–
Sit Investment Associates Inc	7,784	$999.0K	0.03%	–	–
CNB Bank	7,737	$993.0K	0.69%	–	–
Van Eck Associates Corp	7,725	$991.0K	0.00%	–	–
Rehmann Capital Advisory Group	7,682	$990.2K	0.10%	–	–
Cetera Investment Advisers	7,543	$968.0K	0.02%	–	–
Quadrature Capital Ltd	7,500	$963.0K	0.05%	–	–
UBP Investment Advisors SA	7,496	$960.0K	0.39%	–	–
Shufro Rose & Co LLC	7,400	$950.0K	0.08%	–	–
NorthCoast Asset Management LLC	7,380	$949.0K	0.04%	–	–