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
Security National Trust Co	12,408	$1.59M	0.37%	–	–
Zurich Insurance Group Ltd	12,500	$1.60M	0.02%	–	–
WBI Investments	12,566	$1.61M	0.25%	–	–
Miller Investment Management, LP	12,605	$1.62M	0.30%	–	–
Bridgewater Advisors Inc.	11,924	$1.62M	0.82%	–	–
Vontobel Holding Ltd.	12,646	$1.62M	0.01%	–	–
CIBC World Markets Corp	12,727	$1.63M	0.01%	–	–
Occudo Quantitative Strategies LP	12,739	$1.64M	0.36%	–	–
SRB Corp	12,806	$1.64M	0.11%	–	–
Jarislowsky, Fraser Ltd	12,832	$1.65M	0.01%	–	–
Commerce Bank	12,974	$1.67M	0.01%	–	–
Assenagon Asset Management S.A.	13,199	$1.69M	0.01%	–	–
Public Sector Pension Investment Board	13,346	$1.71M	0.01%	–	–
HM Payson & Co	13,408	$1.72M	0.05%	–	–
Marshall Wace North America L.P.	13,416	$1.72M	0.01%	–	–
Cambridge Investment Research Advisors, Inc.	13,667	$1.75M	0.01%	–	–
Brinker Capital Investments, LLC	13,699	$1.76M	0.03%	–	–
Richard Bernstein Advisors LLC	13,731	$1.76M	0.04%	–	–
Occidental Asset Management, LLC	13,801	$1.77M	0.53%	–	–
Fort, L.P.	13,849	$1.78M	0.50%	–	–
Trexquant Investment LP	13,954	$1.79M	0.16%	–	–
Paloma Partners Management Co	14,200	$1.82M	0.05%	–	–
Connor, Clark & Lunn Investment Management Ltd.	14,197	$1.82M	0.01%	–	–
IFM Investors Pty Ltd	14,233	$1.83M	0.05%	–	–
US Bancorp	14,273	$1.83M	0.00%	–	–
D L Carlson Investment Group Inc	14,359	$1.84M	0.34%	–	–
Hartford Investment Management Co	14,644	$1.88M	0.05%	–	–
Rockefeller Capital Management L.P.	14,707	$1.89M	0.01%	–	–
Kestra Advisory Services, LLC	14,923	$1.92M	0.02%	–	–
Alpha Paradigm Partners, LLC	15,204	$1.95M	0.76%	–	–
Cubist Systematic Strategies, LLC	15,239	$1.96M	0.03%	–	–
Horizon Investments, LLC	15,311	$1.97M	0.07%	–	–
Wolverine Trading, LLC	15,714	$2.02M	0.04%	–	–
Nissay Asset Management Corp	15,817	$2.03M	0.02%	–	–
Banco Bilbao Vizcaya Argentaria, S.A.	16,197	$2.08M	0.04%	–	–
Hancock Whitney Corp	16,440	$2.11M	0.07%	–	–
Metropolitan Life Insurance Co	16,486	$2.12M	0.03%	–	–
Wechter Feldman Wealth Management, Inc.	16,564	$2.13M	1.57%	–	–
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	16,691	$2.14M	0.03%	–	–
MD Financial Management Inc.	16,800	$2.16M	0.06%	–	–
MACRO Consulting Group	17,175	$2.20M	1.19%	–	–
Mutual of America Capital Management LLC	17,273	$2.22M	0.02%	–	–
Eaton Vance Management	17,388	$2.23M	0.00%	–	–
Winton Group Ltd	17,912	$2.30M	0.13%	–	–
GHP Investment Advisors, Inc.	18,079	$2.32M	0.20%	–	–
Ergoteles LLC	18,082	$2.32M	0.07%	–	–
AlphaCrest Capital Management LLC	18,096	$2.32M	0.13%	–	–
Robinson Value Management, Ltd.	18,118	$2.33M	1.91%	–	–
Roberts Glore & Co Inc	18,168	$2.33M	0.73%	–	–
Federation des caisses Desjardins du Quebec	18,165	$2.33M	0.03%	–	–
Northwest & Ethical Investments L.P.	18,368	$2.36M	0.08%	–	–
Miracle Mile Advisors, LLC	18,373	$2.36M	0.13%	–	–
ETF Managers Group, LLC	18,496	$2.38M	0.04%	–	–
Wakefield Asset Management LLLP	18,734	$2.40M	0.96%	–	–
Public Employees Retirement Association of Colorado	18,798	$2.41M	0.01%	–	–
Boston Trust Walden Corp	18,800	$2.41M	0.02%	–	–
EP Wealth Advisors, LLC	18,804	$2.41M	0.08%	–	–
Susquehanna International Group, LLP	19,051	$2.44M	0.00%	–	–
ProShare Advisors LLC	19,276	$2.47M	0.01%	–	–
Kavar Capital Partners Group, LLC	19,400	$2.49M	0.67%	–	–
Group One Trading, L.P.	19,493	$2.50M	0.05%	–	–
Healthcare of Ontario Pension Plan Trust Fund	19,905	$2.56M	0.01%	–	–
Varma Mutual Pension Insurance Co	20,000	$2.57M	0.04%	–	–
Vident Investment Advisory, LLC	20,159	$2.59M	0.09%	–	–
B. Metzler seel. Sohn & Co. Holding AG	20,249	$2.60M	0.04%	–	–
Leuthold Group, LLC	20,700	$2.66M	0.34%	–	–
Penn Capital Management Co Inc	21,118	$2.71M	0.28%	–	–
Truist Financial Corp	21,121	$2.71M	0.00%	–	–
Commonwealth Equity Services, LLC	21,141	$2.71M	0.01%	–	–
Empowered Funds, LLC	23,091	$2.75M	0.53%	–	–
Neuberger Berman Group LLC	22,100	$2.76M	0.00%	–	–
Scott & Selber, Inc.	21,774	$2.79M	1.14%	–	–
First Republic Investment Management, Inc.	21,979	$2.82M	0.01%	–	–
Seeyond	22,020	$2.83M	0.28%	–	–
British Columbia Investment Management Corp	22,113	$2.84M	0.02%	–	–
Clean Yield Group	22,136	$2.84M	1.17%	–	–
Mackay Shields LLC	22,280	$2.86M	0.02%	–	–
Texas Permanent School Fund	22,286	$2.86M	0.04%	–	–
FAI Wealth Management	22,324	$2.87M	2.47%	–	–
Richard P Slaughter Associates Inc	22,409	$2.88M	1.19%	–	–
Caisse de Depot Et Placement du Quebec	22,605	$2.90M	0.01%	–	–
Westpac Banking Corp	22,720	$2.92M	0.03%	–	–
M&T Bank Corp	23,041	$2.96M	0.01%	–	–
Hennessy Advisors Inc	23,400	$3.00M	0.17%	–	–
Palouse Capital Management, Inc.	23,869	$3.06M	1.35%	–	–
Lowe Brockenbrough & Co Inc	23,971	$3.08M	0.30%	–	–
Delta Capital Management LLC	24,130	$3.10M	1.98%	–	–
Argent Trust Co	24,194	$3.10M	0.22%	–	–
McKinley Capital Management LLC /Delaware	24,260	$3.11M	0.23%	–	–
Natixis	24,422	$3.13M	0.01%	–	–
Coastline Trust Co	25,050	$3.21M	0.41%	–	–
Hallmark Capital Management Inc	25,100	$3.22M	0.29%	–	–
Nomura Asset Management Co Ltd	25,133	$3.23M	0.02%	–	–
Bank of Nova Scotia	25,363	$3.25M	0.01%	–	–
Mount Lucas Management LP	25,498	$3.27M	0.96%	–	–
FIL Ltd	25,540	$3.28M	0.00%	–	–
Utah Retirement Systems	25,635	$3.29M	0.05%	–	–
W.G. Shaheen & Associates DBA Whitney & Co	25,881	$3.32M	0.58%	–	–
Gotham Asset Management, LLC	26,077	$3.35M	0.15%	–	–
BI Asset Management Fondsmaeglerselskab A/S	26,161	$3.36M	0.14%	–	–