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Quest Diagnostics Inc

DGX
Exchange
NYSE
Industry
Services-Medical Laboratories
SEC CIK
0001022079

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, Q3 2025

Institutional positions in Quest Diagnostics Inc as of Sep 30, 2025. 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
1,006
+34 vs. Q2 2025
Shares held
105.0M
−1.02M (−1.0%) vs. Q2 2025
Total value
$20.0B
+$944.3M (+5.0%) vs. Q2 2025
New holders
115
359 more added
Sold out
81
342 more reduced

19 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

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 holdersQ3 2025: 1,006 institutions
Q1 2021: 818 institutionsQ2 2021: 816 institutionsQ3 2021: 840 institutionsQ4 2021: 906 institutionsQ1 2022: 852 institutionsQ2 2022: 853 institutionsQ3 2022: 809 institutionsQ4 2022: 881 institutionsQ1 2023: 837 institutionsQ2 2023: 820 institutionsQ3 2023: 797 institutionsQ4 2023: 829 institutionsQ1 2024: 818 institutionsQ2 2024: 839 institutionsQ3 2024: 849 institutionsQ4 2024: 896 institutionsQ1 2025: 969 institutionsQ2 2025: 991 institutionsQ3 2025: 1,006 institutionsQ4 2025: 1,050 institutionsQ1 2026: 1,069 institutionsQ2 2026: 1,112 institutions
Value heldQ3 2025: $20.0B
Q1 2021: $14.8BQ2 2021: $15.0BQ3 2021: $15.9BQ4 2021: $18.0BQ1 2022: $14.4BQ2 2022: $13.8BQ3 2022: $12.6BQ4 2022: $15.5BQ1 2023: $14.2BQ2 2023: $14.0BQ3 2023: $12.0BQ4 2023: $13.5BQ1 2024: $13.2BQ2 2024: $13.3BQ3 2024: $15.2BQ4 2024: $15.0BQ1 2025: $17.5BQ2 2025: $19.3BQ3 2025: $20.0BQ4 2025: $18.4BQ1 2026: $20.1BQ2 2026: $22.2B
Institutions holding DGX and their total value by quarter
QuarterHoldersValue
Q2 20261,112$22.2B
Q1 20261,069$20.1B
Q4 20251,050$18.4B
Q3 20251,006$20.0B
Q2 2025991$19.3B
Q1 2025969$17.5B
Q4 2024896$15.0B
Q3 2024849$15.2B
Q2 2024839$13.3B
Q1 2024818$13.2B
Q4 2023829$13.5B
Q3 2023797$12.0B
Q2 2023820$14.0B
Q1 2023837$14.2B
Q4 2022881$15.5B
Q3 2022809$12.6B
Q2 2022853$13.8B
Q1 2022852$14.4B
Q4 2021906$18.0B
Q3 2021840$15.9B
Q2 2021816$15.0B
Q1 2021818$14.8B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q2 2025.

Institutions holding DGX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Cornerstone Planning Group LLC4$710.00%−41−91.1%Reduced
Leonteq Securities AG1$1910.00%−159−99.4%Reduced
IMA Wealth, Inc.1$1910.00%00.0%Unchanged
Davis Capital Management1$1910.00%+1New
Copia Wealth Management2$3810.00%00.0%Unchanged
Sofos Investments, Inc.2$3810.00%+2New
Cape Investment Advisory, Inc.2$3810.00%+2New
Dogwood Wealth Management LLC2$3810.00%+2New
Palisade Asset Management, LLC2$3820.00%+2New
Seneschal Advisors, LLC2$3820.00%+2New
Hughes Financial Services, LLC3$5530.00%00.0%Unchanged
WestEnd Advisors, LLC3$5720.00%−1−25.0%Reduced
American Capital Advisory, LLC3$5720.00%+2+200.0%Added
Avalon Trust Co3$5720.00%+3New
Strengthening Families & Communities, LLC3$5740.00%00.0%Unchanged
Caitlin John, LLC3$6170.00%+3New
IAG Wealth Partners, LLC4$7620.00%00.0%Unchanged
Essential Partners LLC4$7620.00%00.0%Unchanged
Redwood Park Advisors LLC4$7630.00%00.0%Unchanged
Kilter Group LLC5$9530.00%00.0%Unchanged
Logan Capital Management Inc5$9530.00%00.0%Unchanged
Raffa Wealth Management, LLC5$9530.00%00.0%Unchanged
Picton Mahoney Asset Management7$1.00K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC6$1.14K0.00%−1−14.3%Reduced
HFM Investment Advisors, LLC6$1.14K0.00%−1−14.3%Reduced
Aventura Private Wealth, LLC6$1.14K0.00%00.0%Unchanged
Guerra Advisors Inc6$1.14K0.00%+6New
South State Corp.6$1.14K0.00%−4−40.0%Reduced
Retirement Wealth Solutions LLC6$1.14K0.00%+6New
Key Financial Inc7$1.27K0.00%00.0%Unchanged
Nemes Rush Group LLC7$1.33K0.00%00.0%Unchanged
Wealth Watch Advisors, INC7$1.33K0.00%+7New
Clark Wealth Partners8$1.39K0.00%+2+33.3%Added
Financial Consulate, Inc8$1.52K0.00%+8New
Quest 10 Wealth Builders, Inc.8$1.52K0.00%+8New
Jackson, Grant Investment Advisers, Inc.9$1.72K0.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC9$1.72K0.00%+2+28.6%Added
Rialto Wealth Management, LLC9$1.72K0.00%+2+28.6%Added
Turning Point Benefit Group, Inc.10$1.82K0.00%+10New
Cloud Capital Management, LLC15$2.00K0.00%+15New
Aspect Partners, LLC11$2.10K0.00%00.0%Unchanged
Tortoise Investment Management, LLC11$2.10K0.00%+4+57.1%Added
Activest Wealth Management12$2.29K0.00%+2+20.0%Added
Marquette Asset Management, LLC12$2.29K0.00%+12New
Bogart Wealth, LLC12$2.37K0.00%+3+33.3%Added
Boyd Watterson Asset Management LLC13$2.48K0.00%00.0%Unchanged
Valued Wealth Advisors LLC14$2.67K0.00%00.0%Unchanged
DecisionPoint Financial, LLC15$2.73K0.00%00.0%Unchanged
JNBA Financial Advisors15$2.86K0.00%00.0%Unchanged
Adirondack Trust Co16$3.05K0.00%00.0%Unchanged
Wealth Preservation Advisors, LLC17$3.24K0.00%+1+6.3%Added
Bare Financial Services, Inc17$3.24K0.00%+17New
DiNuzzo Private Wealth, Inc.19$3.45K0.00%−1−5.0%Reduced
Heartwood Wealth Advisors LLC19$3.62K0.00%+19New
MJT & Associates Financial Advisory Group, Inc.20$3.81K0.00%00.0%Unchanged
Hanson & Doremus Investment Management19$4.00K0.00%+19New
Howard Hughes Medical Institute24$4.57K0.00%+1+4.3%Added
Bank of Jackson Hole Trust26$4.96K0.00%00.0%Unchanged
Westfuller Advisors, LLC26$4.96K0.00%+26New
Frazier Financial Advisors, LLC28$5.35K0.00%00.0%Unchanged
TFC Financial Management29$5.53K0.00%−3−9.4%Reduced
Cetera Trust Company, N.A30$5.72K0.00%00.0%Unchanged
UMA Financial Services, Inc.30$5.72K0.00%+19+172.7%Added
High Note Wealth, LLC31$5.91K0.00%00.0%Unchanged
CBIZ Investment Advisory Services, LLC31$5.91K0.00%+30+3,000.0%Added
Hazlett, Burt & Watson, Inc.33$6.00K0.00%+33New
ZRC Wealth Management, LLC32$6.10K0.00%+32New
Harbor Asset Planning, Inc.32$6.13K0.01%00.0%Unchanged
Cedar Mountain Advisors, LLC33$6.29K0.00%00.0%Unchanged
Meeder Asset Management Inc33$6.29K0.00%+2+6.5%Added
Scarborough Advisors, LLC37$7.05K0.00%00.0%Unchanged
Westside Investment Management, Inc.39$7.10K0.00%00.0%Unchanged
Anfield Capital Management, LLC40$7.62K0.00%00.0%Unchanged
St Germain D J Co Inc41$7.81K0.00%00.0%Unchanged
Bartlett & Co. Wealth Management LLC46$8.77K0.00%00.0%Unchanged
Loring Wolcott & Coolidge Fiduciary Advisors LLP48$8.79K0.00%00.0%Unchanged
Silicon Valley Capital Partners46$8.84K0.00%00.0%Unchanged
Zions Bancorporation, National Association47$8.96K0.00%+12+34.3%Added
Solstein Capital, LLC49$9.34K0.00%−66−57.4%Reduced
Fortitude Family Office, LLC49$9.34K0.00%+3+6.5%Added
Hollencrest Capital Management50$9.53K0.00%00.0%Unchanged
Oakworth Capital, Inc.50$9.53K0.00%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC50$9.53K0.02%00.0%Unchanged
Hopwood Financial Services, Inc.50$9.53K0.01%00.0%Unchanged
Roxbury Financial LLC52$9.89K0.01%00.0%Unchanged
Kerr Financial Planning Corp53$9.91K0.01%+53New
Tompkins Financial Corp53$10.1K0.00%00.0%Unchanged
Armstrong Advisory Group, Inc54$10.3K0.00%00.0%Unchanged
Financial Management Professionals, Inc.55$10.5K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC56$10.7K0.00%00.0%Unchanged
Private Wealth Management Group, LLC60$11.4K0.00%+1+1.7%Added
Boreal Capital Management LLC62$11.8K0.01%00.0%Unchanged
TD Capital Management LLC62$11.9K0.00%00.0%Unchanged
Rise Advisors, LLC65$12.4K0.00%00.0%Unchanged
Sound Income Strategies, LLC70$12.7K0.00%00.0%Unchanged
Abich Financial Wealth Management LLC67$12.8K0.00%+67New
Ritter Daniher Financial Advisory LLC69$13.2K0.00%+69New
JFS Wealth Advisors, LLC70$13.3K0.00%−11−13.6%Reduced
Wolff Wiese Magana LLC70$13.3K0.01%00.0%Unchanged
Orion Capital Management LLC70$13.3K0.00%00.0%Unchanged