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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
Beacon Capital Management, LLC65$11.6K0.00%+1+1.6%Added
TD Capital Management LLC62$11.1K0.00%+62New
Boreal Capital Management LLC62$11.1K0.01%+62New
Private Wealth Management Group, LLC59$10.6K0.00%−3−4.8%Reduced
Prestige Wealth Management Group LLC56$10.1K0.00%00.0%Unchanged
Riggs Asset Managment Co. Inc.56$10.1K0.00%+6+12.0%Added
Financial Management Professionals, Inc.55$9.88K0.00%00.0%Unchanged
Armstrong Advisory Group, Inc54$9.70K0.00%00.0%Unchanged
Tompkins Financial Corp53$9.52K0.00%00.0%Unchanged
Roxbury Financial LLC52$9.27K0.01%+1+2.0%Added
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
GFG Capital, LLC49$8.80K0.00%+49New
Loring Wolcott & Coolidge Fiduciary Advisors LLP48$8.62K0.00%00.0%Unchanged
Sunbelt Securities, Inc.57$8.60K0.00%+57New
Silicon Valley Capital Partners46$8.29K0.00%00.0%Unchanged
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
Blume Capital Management, Inc.45$8.08K0.00%+43+2,150.0%Added
Cornerstone Planning Group LLC45$7.81K0.00%+5+12.5%Added
St Germain D J Co Inc41$7.37K0.00%−34−45.3%Reduced
Anfield Capital Management, LLC40$7.18K0.00%00.0%Unchanged
Westside Investment Management, Inc.39$6.99K0.00%+39New
Scarborough Advisors, LLC37$6.65K0.00%+37New
Zions Bancorporation, National Association35$6.29K0.00%+3+9.4%Added
Cedar Mountain Advisors, LLC33$5.93K0.00%−28−45.9%Reduced
True Wealth Design, LLC33$5.93K0.00%+2+6.5%Added
Harbor Asset Planning, Inc.32$5.78K0.01%+32New
TFC Financial Management32$5.75K0.00%+3+10.3%Added
High Note Wealth, LLC31$5.57K0.00%00.0%Unchanged
Meeder Asset Management Inc31$5.57K0.00%+4+14.8%Added
Cetera Trust Company, N.A30$5.39K0.00%00.0%Unchanged
Frazier Financial Advisors, LLC28$5.02K0.00%00.0%Unchanged
Bank of Jackson Hole Trust26$4.67K0.00%00.0%Unchanged
Aster Capital Management (DIFC) Ltd23$4.13K0.00%−9,106−99.7%Reduced
Howard Hughes Medical Institute23$4.13K0.00%+23New
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
Thurston, Springer, Miller, Herd & Titak, Inc.18$3.23K0.00%00.0%Unchanged
Salomon & Ludwin, LLC18$3.18K0.00%00.0%Unchanged
Iron Horse Wealth Management, LLC17$3.05K0.00%00.0%Unchanged
Adirondack Trust Co16$2.87K0.00%00.0%Unchanged
Wealth Preservation Advisors, LLC16$2.87K0.00%+6+60.0%Added
JNBA Financial Advisors15$2.69K0.00%00.0%Unchanged
DecisionPoint Financial, LLC15$2.69K0.00%+15New
Valued Wealth Advisors LLC14$2.52K0.00%00.0%Unchanged
Boyd Watterson Asset Management LLC13$2.33K0.00%00.0%Unchanged
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
South State Corp.10$1.80K0.00%−1−9.1%Reduced
Activest Wealth Management10$1.80K0.00%−6−37.5%Reduced
Bogart Wealth, LLC9$1.69K0.00%+3+50.0%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
Parkworth Wealth Management, Inc.8$1.44K0.00%+5+166.7%Added
Rialto Wealth Management, LLC7$1.26K0.00%+4+133.3%Added
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
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
Picton Mahoney Asset Management7$1.00K0.00%00.0%Unchanged
Kilter Group LLC5$8990.00%+5New
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
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
Transce3nd, LLC3$5390.00%00.0%Unchanged
Strengthening Families & Communities, LLC3$5390.00%+3New
Arlington Trust Co LLC3$5390.00%+3New
Hughes Financial Services, LLC3$5190.00%+3New
Crewe Advisors LLC2$3600.00%00.0%Unchanged
Copia Wealth Management2$3590.00%00.0%Unchanged
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
Balyasny Asset Management LLC0$00.00%−207,256−100.0%Sold out
Massachusetts Financial Services Co0$00.00%−158,749−100.0%Sold out
Causeway Capital Management LLC0$00.00%−120,400−100.0%Sold out
Financial Counselors Inc0$00.00%−99,631−100.0%Sold out
Isthmus Partners, LLC0$00.00%−89,874−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−72,624−100.0%Sold out
AMF Pensionsforsakring AB0$00.00%−45,105−100.0%Sold out
Trexquant Investment LP0$00.00%−37,916−100.0%Sold out
Atom Investors LP0$00.00%−33,374−100.0%Sold out