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
Cornercap Investment Counsel Inc	6,786	$871.0K	0.10%	–	–
Washington Capital Management Inc	6,855	$880.0K	0.82%	–	–
Symmetry Partners, LLC	6,927	$889.0K	0.06%	–	–
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	6,928	$889.1K	0.00%	–	–
Private Advisor Group, LLC	7,073	$908.0K	0.01%	–	–
Fort Washington Investment Advisors Inc	7,102	$911.0K	0.01%	–	–
Inscription Capital, LLC	7,095	$911.0K	0.31%	–	–
Daiwa Securities Group Inc.	7,123	$914.0K	0.01%	–	–
Camarda Financial Advisors, LLC	7,229	$928.0K	0.66%	–	–
Acropolis Investment Management, LLC	7,287	$935.0K	0.10%	–	–
Amalgamated Bank	7,304	$937.0K	0.04%	–	–
Roundview Capital LLC	7,303	$937.0K	0.12%	–	–
Leavell Investment Management, Inc.	7,306	$938.0K	0.08%	–	–
Bessemer Securities LLC	7,365	$945.0K	0.40%	–	–
Regentatlantic Capital LLC	7,379	$947.0K	0.03%	–	–
Brandes Investment Partners, LP	7,380	$948.0K	0.02%	–	–
NorthCoast Asset Management LLC	7,380	$949.0K	0.04%	–	–
Shufro Rose & Co LLC	7,400	$950.0K	0.08%	–	–
UBP Investment Advisors SA	7,496	$960.0K	0.39%	–	–
Quadrature Capital Ltd	7,500	$963.0K	0.05%	–	–
Cetera Investment Advisers	7,543	$968.0K	0.02%	–	–
Rehmann Capital Advisory Group	7,682	$990.2K	0.10%	–	–
Van Eck Associates Corp	7,725	$991.0K	0.00%	–	–
CNB Bank	7,737	$993.0K	0.69%	–	–
Sit Investment Associates Inc	7,784	$999.0K	0.03%	–	–
Capital Advisory Group Advisory Services, LLC	7,832	$1.00M	0.39%	–	–
Kentucky Retirement Systems	7,856	$1.01M	0.05%	–	–
Colony Group LLC	7,876	$1.01M	0.02%	–	–
First Hawaiian Bank	7,893	$1.01M	0.04%	–	–
We Are One Seven, LLC	7,940	$1.02M	0.17%	–	–
Werlinich Asset Management, LLC	8,045	$1.03M	0.91%	–	–
Alpine Woods Capital Investors, LLC	8,123	$1.04M	0.12%	–	–
Boston Private Wealth LLC	8,131	$1.04M	0.01%	–	–
Blueshift Asset Management, LLC	8,153	$1.05M	0.11%	–	–
Pendal Group Limited	8,177	$1.05M	0.01%	–	–
Sumitomo Mitsui DS Asset Management Company, Ltd	8,262	$1.06M	0.03%	–	–
Louisiana State Employees Retirement System	8,300	$1.06M	0.03%	–	–
Prudential PLC	8,306	$1.07M	0.01%	–	–
Mastrapasqua Asset Management Inc	8,303	$1.07M	0.12%	–	–
Atria Investments LLC	8,349	$1.07M	0.02%	–	–
Jackson Creek Investment Advisors LLC	8,349	$1.07M	0.37%	–	–
Massmutual Trust Co FSB	8,377	$1.07M	0.05%	–	–
New Mexico Educational Retirement Board	8,503	$1.09M	0.04%	–	–
Shell Asset Management Co	8,585	$1.10M	0.02%	–	–
Jag Capital Management, LLC	8,672	$1.11M	0.10%	–	–
Keeler Thomas Management LLC	8,714	$1.12M	0.59%	–	–
ING Groep NV	8,836	$1.13M	0.02%	–	–
Sowell Financial Services LLC	8,257	$1.14M	0.04%	–	–
Montgomery Investment Management Inc	8,940	$1.15M	0.44%	–	–
Delphi Management Inc	8,947	$1.15M	1.22%	–	–
Creative Planning	9,038	$1.16M	0.00%	–	–
Seven Eight Capital, LP	9,980	$1.19M	0.27%	–	–
Philadelphia Trust Co	9,278	$1.19M	0.09%	–	–
Tower Research Capital LLC (TRC)	9,372	$1.20M	0.02%	–	–
Coldstream Capital Management Inc	9,420	$1.21M	0.07%	–	–
Kingsview Wealth Management, LLC	9,396	$1.22M	0.07%	–	–
ICW Investment Advisors LLC	9,495	$1.22M	0.84%	–	–
United Capital Financial Advisers, LLC	9,758	$1.25M	0.01%	–	–
Sawyer & Company, Inc	9,997	$1.28M	0.64%	–	–
Donoghue Forlines LLC	10,002	$1.28M	0.25%	–	–
Teachers Retirement System of the State of Kentucky	10,050	$1.29M	0.01%	–	–
Maryland State Retirement & Pension System	10,222	$1.31M	0.05%	–	–
Hussman Strategic Advisors, Inc.	10,300	$1.32M	0.27%	–	–
Pearl River Capital, LLC	10,345	$1.33M	0.42%	–	–
Peapack Gladstone Financial Corp	10,357	$1.33M	0.03%	–	–
Siemens Fonds Invest GmbH	10,367	$1.33M	0.13%	–	–
Thrivent Financial for Lutherans	10,431	$1.34M	0.00%	–	–
Eqis Capital Management, Inc.	10,462	$1.34M	0.10%	–	–
Laurel Wealth Advisors, Inc.	10,470	$1.34M	0.20%	–	–
Banque Cantonale Vaudoise	10,546	$1.35M	0.07%	–	–
JGP Wealth Management, LLC	10,604	$1.36M	0.30%	–	–
Pathstone Family Office, LLC	10,638	$1.36M	0.05%	–	–
Twin Capital Management Inc	10,646	$1.37M	0.14%	–	–
Dean Investment Associates, LLC	10,704	$1.37M	0.26%	–	–
Parsons Capital Management Inc	10,790	$1.39M	0.11%	–	–
American National Insurance Co	10,817	$1.39M	0.06%	–	–
Cascade Investment Advisors, Inc.	10,885	$1.40M	0.91%	–	–
Quantbot Technologies LP	10,920	$1.40M	0.13%	–	–
Cito Capital Group, LLC	11,072	$1.42M	0.69%	–	–
Norinchukin Bank, The	11,102	$1.43M	0.02%	–	–
MUFG Americas Holdings Corp	11,150	$1.43M	0.03%	–	–
Oregon Public Employees Retirement Fund	11,223	$1.44M	0.02%	–	–
Securian Asset Management, Inc	11,232	$1.44M	0.03%	–	–
CAMG Solamere Management, LLC	11,385	$1.46M	1.26%	–	–
Northwestern Mutual Wealth Management Co	11,417	$1.46M	0.00%	–	–
ACG Wealth	11,555	$1.48M	0.20%	–	–
Members Capital Advisors Inc	11,612	$1.49M	1.14%	–	–
ExodusPoint Capital Management, LP	11,807	$1.51M	0.03%	–	–
Worldquant Millennium Advisors LLC	11,871	$1.52M	0.03%	–	–
Pinnacle Associates Ltd	11,900	$1.53M	0.03%	–	–
Moody National Bank Trust Division	11,917	$1.53M	0.04%	–	–
Panagora Asset Management Inc	11,928	$1.53M	0.01%	–	–
American Assets Investment Management, LLC	12,000	$1.54M	0.21%	–	–
Alphasimplex Group, LLC	12,028	$1.54M	0.65%	–	–
Bowling Portfolio Management LLC	12,095	$1.55M	0.37%	–	–
Exencial Wealth Advisors, LLC	12,186	$1.56M	0.09%	–	–
Kinneret Advisory, LLC	12,193	$1.56M	0.20%	–	–
Somerset Trust Co	12,207	$1.57M	0.68%	–	–
Blair William & Co	12,304	$1.58M	0.01%	–	–
Point72 Hong Kong Ltd	12,317	$1.58M	0.13%	–	–