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
Pacer Advisors, Inc.	33,880	$4.35M	0.08%	–	–
Marshall Wace, LLP	33,744	$4.33M	0.02%	–	–
State of Michigan Retirement System	33,492	$4.30M	0.03%	–	–
Handelsbanken Fonder AB	32,913	$4.22M	0.02%	–	–
Hoylecohen, LLC	32,848	$4.22M	0.43%	–	–
Xponance, Inc.	32,286	$4.14M	0.09%	–	–
MetLife Investment Management	31,801	$4.08M	0.04%	–	–
John G Ullman & Associates Inc	31,102	$3.99M	0.54%	–	–
Oak Associates, Ltd	30,710	$3.94M	0.23%	–	–
Dai-Ichi Life Insurance Company, Ltd	30,686	$3.94M	0.05%	–	–
Jane Street Group, LLC	30,194	$3.88M	0.01%	–	–
Colonial Trust Advisors	29,541	$3.79M	0.50%	–	–
CIBC Asset Management Inc	28,717	$3.69M	0.02%	–	–
Foster & Motley Inc	28,136	$3.61M	0.33%	–	–
Gulf International Bank (UK) Ltd	26,618	$3.42M	0.05%	–	–
State of Alaska, Department of Revenue	26,257	$3.37M	0.04%	–	–
BI Asset Management Fondsmaeglerselskab A/S	26,161	$3.36M	0.14%	–	–
Gotham Asset Management, LLC	26,077	$3.35M	0.15%	–	–
W.G. Shaheen & Associates DBA Whitney & Co	25,881	$3.32M	0.58%	–	–
Utah Retirement Systems	25,635	$3.29M	0.05%	–	–
FIL Ltd	25,540	$3.28M	0.00%	–	–
Mount Lucas Management LP	25,498	$3.27M	0.96%	–	–
Bank of Nova Scotia	25,363	$3.25M	0.01%	–	–
Nomura Asset Management Co Ltd	25,133	$3.23M	0.02%	–	–
Hallmark Capital Management Inc	25,100	$3.22M	0.29%	–	–
Coastline Trust Co	25,050	$3.21M	0.41%	–	–
Natixis	24,422	$3.13M	0.01%	–	–
McKinley Capital Management LLC /Delaware	24,260	$3.11M	0.23%	–	–
Argent Trust Co	24,194	$3.10M	0.22%	–	–
Delta Capital Management LLC	24,130	$3.10M	1.98%	–	–
Lowe Brockenbrough & Co Inc	23,971	$3.08M	0.30%	–	–
Palouse Capital Management, Inc.	23,869	$3.06M	1.35%	–	–
Hennessy Advisors Inc	23,400	$3.00M	0.17%	–	–
M&T Bank Corp	23,041	$2.96M	0.01%	–	–
Westpac Banking Corp	22,720	$2.92M	0.03%	–	–
Caisse de Depot Et Placement du Quebec	22,605	$2.90M	0.01%	–	–
Richard P Slaughter Associates Inc	22,409	$2.88M	1.19%	–	–
FAI Wealth Management	22,324	$2.87M	2.47%	–	–
Mackay Shields LLC	22,280	$2.86M	0.02%	–	–
Texas Permanent School Fund	22,286	$2.86M	0.04%	–	–
Clean Yield Group	22,136	$2.84M	1.17%	–	–
British Columbia Investment Management Corp	22,113	$2.84M	0.02%	–	–
Seeyond	22,020	$2.83M	0.28%	–	–
First Republic Investment Management, Inc.	21,979	$2.82M	0.01%	–	–
Scott & Selber, Inc.	21,774	$2.79M	1.14%	–	–
Neuberger Berman Group LLC	22,100	$2.76M	0.00%	–	–
Empowered Funds, LLC	23,091	$2.75M	0.53%	–	–
Commonwealth Equity Services, LLC	21,141	$2.71M	0.01%	–	–
Truist Financial Corp	21,121	$2.71M	0.00%	–	–
Penn Capital Management Co Inc	21,118	$2.71M	0.28%	–	–
Leuthold Group, LLC	20,700	$2.66M	0.34%	–	–
B. Metzler seel. Sohn & Co. Holding AG	20,249	$2.60M	0.04%	–	–
Vident Investment Advisory, LLC	20,159	$2.59M	0.09%	–	–
Varma Mutual Pension Insurance Co	20,000	$2.57M	0.04%	–	–
Healthcare of Ontario Pension Plan Trust Fund	19,905	$2.56M	0.01%	–	–
Group One Trading, L.P.	19,493	$2.50M	0.05%	–	–
Kavar Capital Partners Group, LLC	19,400	$2.49M	0.67%	–	–
ProShare Advisors LLC	19,276	$2.47M	0.01%	–	–
Susquehanna International Group, LLP	19,051	$2.44M	0.00%	–	–
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%	–	–
Wakefield Asset Management LLLP	18,734	$2.40M	0.96%	–	–
ETF Managers Group, LLC	18,496	$2.38M	0.04%	–	–
Miracle Mile Advisors, LLC	18,373	$2.36M	0.13%	–	–
Northwest & Ethical Investments L.P.	18,368	$2.36M	0.08%	–	–
Federation des caisses Desjardins du Quebec	18,165	$2.33M	0.03%	–	–
Roberts Glore & Co Inc	18,168	$2.33M	0.73%	–	–
Robinson Value Management, Ltd.	18,118	$2.33M	1.91%	–	–
AlphaCrest Capital Management LLC	18,096	$2.32M	0.13%	–	–
Ergoteles LLC	18,082	$2.32M	0.07%	–	–
GHP Investment Advisors, Inc.	18,079	$2.32M	0.20%	–	–
Winton Group Ltd	17,912	$2.30M	0.13%	–	–
Eaton Vance Management	17,388	$2.23M	0.00%	–	–
Mutual of America Capital Management LLC	17,273	$2.22M	0.02%	–	–
MACRO Consulting Group	17,175	$2.20M	1.19%	–	–
MD Financial Management Inc.	16,800	$2.16M	0.06%	–	–
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	16,691	$2.14M	0.03%	–	–
Wechter Feldman Wealth Management, Inc.	16,564	$2.13M	1.57%	–	–
Metropolitan Life Insurance Co	16,486	$2.12M	0.03%	–	–
Hancock Whitney Corp	16,440	$2.11M	0.07%	–	–
Banco Bilbao Vizcaya Argentaria, S.A.	16,197	$2.08M	0.04%	–	–
Nissay Asset Management Corp	15,817	$2.03M	0.02%	–	–
Wolverine Trading, LLC	15,714	$2.02M	0.04%	–	–
Horizon Investments, LLC	15,311	$1.97M	0.07%	–	–
Cubist Systematic Strategies, LLC	15,239	$1.96M	0.03%	–	–
Alpha Paradigm Partners, LLC	15,204	$1.95M	0.76%	–	–
Kestra Advisory Services, LLC	14,923	$1.92M	0.02%	–	–
Rockefeller Capital Management L.P.	14,707	$1.89M	0.01%	–	–
Hartford Investment Management Co	14,644	$1.88M	0.05%	–	–
D L Carlson Investment Group Inc	14,359	$1.84M	0.34%	–	–
US Bancorp	14,273	$1.83M	0.00%	–	–
IFM Investors Pty Ltd	14,233	$1.83M	0.05%	–	–
Paloma Partners Management Co	14,200	$1.82M	0.05%	–	–
Connor, Clark & Lunn Investment Management Ltd.	14,197	$1.82M	0.01%	–	–
Trexquant Investment LP	13,954	$1.79M	0.16%	–	–
Fort, L.P.	13,849	$1.78M	0.50%	–	–
Occidental Asset Management, LLC	13,801	$1.77M	0.53%	–	–
Richard Bernstein Advisors LLC	13,731	$1.76M	0.04%	–	–
Brinker Capital Investments, LLC	13,699	$1.76M	0.03%	–	–