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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, Q2 2025

Institutional positions in Quest Diagnostics Inc as of Jun 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
991
+37 vs. Q1 2025
Shares held
107.4M
+4.37M (+4.2%) vs. Q1 2025
Total value
$19.3B
+$1.85B (+10.6%) vs. Q1 2025
New holders
120
366 more added
Sold out
83
327 more reduced

15 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 991 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 heldQ2 2025: $19.3B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q1 2025.

Institutions holding DGX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
American Capital Advisory, LLC1$1800.00%−1−50.0%Reduced
IMA Wealth, Inc.1$1800.00%+1New
CBIZ Investment Advisory Services, LLC1$1800.00%+1New
LGT Financial Advisors LLC1$1800.00%+1New
Copia Wealth Management2$3590.00%00.0%Unchanged
Crewe Advisors LLC2$3600.00%00.0%Unchanged
Hughes Financial Services, LLC3$5190.00%+3New
Transce3nd, LLC3$5390.00%00.0%Unchanged
Strengthening Families & Communities, LLC3$5390.00%+3New
Arlington Trust Co LLC3$5390.00%+3New
WestEnd Advisors, LLC4$7190.00%00.0%Unchanged
IAG Wealth Partners, LLC4$7190.00%00.0%Unchanged
Highline Wealth Partners LLC4$7190.00%00.0%Unchanged
Redwood Park Advisors LLC4$7190.00%+1+33.3%Added
Total Investment Management Inc4$7190.00%+4New
Stephens Consulting, LLC4$7190.00%+4New
Essential Partners LLC4$7190.00%+4New
Logan Capital Management Inc5$8980.00%−4−44.4%Reduced
Raffa Wealth Management, LLC5$8980.00%00.0%Unchanged
Signature Resources Capital Management, LLC5$8980.00%+5New
Kilter Group LLC5$8990.00%+5New
Picton Mahoney Asset Management7$1.00K0.00%00.0%Unchanged
Clark Wealth Partners6$1.08K0.00%00.0%Unchanged
WealthTrak Capital Management LLC6$1.08K0.00%+1+20.0%Added
Aventura Private Wealth, LLC6$1.08K0.00%+6New
Key Financial Inc7$1.26K0.00%00.0%Unchanged
Nemes Rush Group LLC7$1.26K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC7$1.26K0.00%+2+40.0%Added
HFM Investment Advisors, LLC7$1.26K0.00%+4+133.3%Added
Bay Harbor Wealth Management, LLC7$1.26K0.00%+4+133.3%Added
Tortoise Investment Management, LLC7$1.26K0.00%+7New
Rialto Wealth Management, LLC7$1.26K0.00%+4+133.3%Added
Parkworth Wealth Management, Inc.8$1.44K0.00%+5+166.7%Added
SJS Investment Consulting Inc.9$1.62K0.00%−8−47.1%Reduced
Jackson, Grant Investment Advisers, Inc.9$1.62K0.00%00.0%Unchanged
Bogart Wealth, LLC9$1.69K0.00%+3+50.0%Added
Activest Wealth Management10$1.80K0.00%−6−37.5%Reduced
South State Corp.10$1.80K0.00%−1−9.1%Reduced
HHM Wealth Advisors, LLC11$1.98K0.00%00.0%Unchanged
Aspect Partners, LLC11$1.98K0.00%00.0%Unchanged
UMA Financial Services, Inc.11$1.98K0.00%+11New
Boyd Watterson Asset Management LLC13$2.33K0.00%00.0%Unchanged
Valued Wealth Advisors LLC14$2.52K0.00%00.0%Unchanged
DecisionPoint Financial, LLC15$2.69K0.00%+15New
JNBA Financial Advisors15$2.69K0.00%00.0%Unchanged
Adirondack Trust Co16$2.87K0.00%00.0%Unchanged
Wealth Preservation Advisors, LLC16$2.87K0.00%+6+60.0%Added
Iron Horse Wealth Management, LLC17$3.05K0.00%00.0%Unchanged
Salomon & Ludwin, LLC18$3.18K0.00%00.0%Unchanged
Thurston, Springer, Miller, Herd & Titak, Inc.18$3.23K0.00%00.0%Unchanged
MJT & Associates Financial Advisory Group, Inc.20$3.59K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.20$3.59K0.00%+1+5.3%Added
Aster Capital Management (DIFC) Ltd23$4.13K0.00%−9,106−99.7%Reduced
Howard Hughes Medical Institute23$4.13K0.00%+23New
Bank of Jackson Hole Trust26$4.67K0.00%00.0%Unchanged
Frazier Financial Advisors, LLC28$5.02K0.00%00.0%Unchanged
Cetera Trust Company, N.A30$5.39K0.00%00.0%Unchanged
High Note Wealth, LLC31$5.57K0.00%00.0%Unchanged
Meeder Asset Management Inc31$5.57K0.00%+4+14.8%Added
TFC Financial Management32$5.75K0.00%+3+10.3%Added
Harbor Asset Planning, Inc.32$5.78K0.01%+32New
Cedar Mountain Advisors, LLC33$5.93K0.00%−28−45.9%Reduced
True Wealth Design, LLC33$5.93K0.00%+2+6.5%Added
Zions Bancorporation, National Association35$6.29K0.00%+3+9.4%Added
Scarborough Advisors, LLC37$6.65K0.00%+37New
Westside Investment Management, Inc.39$6.99K0.00%+39New
Anfield Capital Management, LLC40$7.18K0.00%00.0%Unchanged
St Germain D J Co Inc41$7.37K0.00%−34−45.3%Reduced
Cornerstone Planning Group LLC45$7.81K0.00%+5+12.5%Added
Blume Capital Management, Inc.45$8.08K0.00%+43+2,150.0%Added
Plante Moran Financial Advisors, LLC46$8.26K0.00%00.0%Unchanged
Bartlett & Co. Wealth Management LLC46$8.26K0.00%+1+2.2%Added
Fortitude Family Office, LLC46$8.26K0.00%+16+53.3%Added
Silicon Valley Capital Partners46$8.29K0.00%00.0%Unchanged
Sunbelt Securities, Inc.57$8.60K0.00%+57New
Loring Wolcott & Coolidge Fiduciary Advisors LLP48$8.62K0.00%00.0%Unchanged
GFG Capital, LLC49$8.80K0.00%+49New
Hollencrest Capital Management50$8.98K0.00%00.0%Unchanged
Oakworth Capital, Inc.50$8.98K0.00%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC50$8.98K0.01%00.0%Unchanged
Hopwood Financial Services, Inc.50$8.98K0.01%00.0%Unchanged
Roxbury Financial LLC52$9.27K0.01%+1+2.0%Added
Tompkins Financial Corp53$9.52K0.00%00.0%Unchanged
Armstrong Advisory Group, Inc54$9.70K0.00%00.0%Unchanged
Financial Management Professionals, Inc.55$9.88K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC56$10.1K0.00%00.0%Unchanged
Riggs Asset Managment Co. Inc.56$10.1K0.00%+6+12.0%Added
Private Wealth Management Group, LLC59$10.6K0.00%−3−4.8%Reduced
TD Capital Management LLC62$11.1K0.00%+62New
Boreal Capital Management LLC62$11.1K0.01%+62New
Beacon Capital Management, LLC65$11.6K0.00%+1+1.6%Added
Rise Advisors, LLC65$11.7K0.00%00.0%Unchanged
Sound Income Strategies, LLC70$12.6K0.00%−958−93.2%Reduced
Orion Capital Management LLC70$12.6K0.00%00.0%Unchanged
Wolff Wiese Magana LLC70$12.6K0.01%00.0%Unchanged
Ogorek Anthony Joseph74$13.0K0.00%+3+4.2%Added
Harbor Investment Advisory, LLC73$13.1K0.00%00.0%Unchanged
Golden State Wealth Management, LLC75$13.5K0.00%00.0%Unchanged
Bellwether Advisors, LLC75$13.5K0.00%00.0%Unchanged
Clear Street Markets LLC75$13.5K0.00%+75New