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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, Q4 2025

Institutional positions in Quest Diagnostics Inc as of Dec 31, 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
1,050
+59 vs. Q3 2025
Shares held
106.1M
+1.44M (+1.4%) vs. Q3 2025
Total value
$18.4B
−$1.53B (−7.7%) vs. Q3 2025
New holders
149
350 more added
Sold out
90
345 more reduced

15 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,050 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 heldQ4 2025: $18.4B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q3 2025.

Institutions holding DGX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
TD Capital Management LLC63$10.9K0.00%+1+1.6%Added
Hazlett, Burt & Watson, Inc.60$11.0K0.00%+27+81.8%Added
Zions Bancorporation, National Association64$11.1K0.00%+17+36.2%Added
Pinnacle Bancorp, Inc.67$11.6K0.00%−85−55.9%Reduced
Ritter Daniher Financial Advisory LLC69$12.0K0.00%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC69$12.0K0.02%+19+38.0%Added
Orion Capital Management LLC70$12.1K0.00%00.0%Unchanged
Wolff Wiese Magana LLC70$12.1K0.01%00.0%Unchanged
Cornerstone Planning Group LLC67$12.3K0.00%+63+1,575.0%Added
MV Capital Management, Inc.73$12.7K0.00%00.0%Unchanged
Ogorek Anthony Joseph84$14.0K0.00%+4+5.0%Added
Golden State Wealth Management, LLC81$14.1K0.00%+6+8.0%Added
Sound Income Strategies, LLC76$14.4K0.00%+6+8.6%Added
WPG Advisers, LLC84$14.6K0.01%−69−45.1%Reduced
ZRC Wealth Management, LLC85$14.8K0.01%+53+165.6%Added
Fideuram Asset Management (Ireland) dac96$14.8K0.00%+96New
Cullen/Frost Bankers, Inc.90$15.7K0.00%+14+18.4%Added
Sunbelt Securities, Inc.92$16.0K0.00%00.0%Unchanged
Raiffeisen Bank International AG91$16.0K0.00%00.0%Unchanged
Avion Wealth95$16.0K0.00%−6−5.9%Reduced
Johnson Financial Group, Inc.95$16.5K0.00%−40−29.6%Reduced
Abound Wealth Management98$17.0K0.00%+1+1.0%Added
SageView Advisory Group, LLC98$17.1K0.00%+98New
Global Trust Asset Management, LLC100$17.4K0.01%00.0%Unchanged
Costello Asset Management, INC100$17.4K0.01%00.0%Unchanged
Bradley & Co. Private Wealth Management, LLC100$17.4K0.01%00.0%Unchanged
New Age Alpha Advisors, LLC101$17.5K0.00%+101New
Harvest Fund Management Co., Ltd102$18.0K0.00%00.0%Unchanged
GW&K Investment Management, LLC102$18.0K0.00%+8+8.5%Added
Manchester Capital Management LLC105$18.2K0.00%−7−6.3%Reduced
Reflection Asset Management108$18.7K0.01%+108New
LRI Investments, LLC109$18.9K0.00%00.0%Unchanged
Rosenberg Matthew Hamilton110$19.1K0.00%−2−1.8%Reduced
Align Financial, LLC19,088$19.1K0.01%+19,088New
Pittenger & Anderson Inc110$19.1K0.00%00.0%Unchanged
Sachetta, LLC114$19.8K0.01%00.0%Unchanged
Pflug Koory, LLC115$20.0K0.01%00.0%Unchanged
Centerpoint Advisors, LLC117$20.0K0.01%00.0%Unchanged
Quent Capital, LLC118$20.5K0.00%00.0%Unchanged
Medallion Wealth Advisors, LLC118$20.5K0.01%00.0%Unchanged
TCTC Holdings, LLC121$21.0K0.00%00.0%Unchanged
Grove Bank & Trust122$21.2K0.00%00.0%Unchanged
Godfrey Financial Associates, Inc.128$22.2K0.02%+128New
Elyxium Wealth, LLC129$22.4K0.01%+129New
DT Investment Partners, LLC131$22.7K0.00%00.0%Unchanged
Basecamp Wealth Advisors LLC134$23.3K0.00%+134New
Meeder Asset Management Inc141$24.5K0.00%+108+327.3%Added
Quattro Advisors LLC143$24.8K0.02%+143New
CVA Family Office, LLC144$25.0K0.00%00.0%Unchanged
Millstone Evans Group, LLC148$25.7K0.02%00.0%Unchanged
True Wealth Design, LLC148$25.7K0.01%−7−4.5%Reduced
Peterson Wealth Services150$26.0K0.01%−60,892−99.8%Reduced
Towarzystwo Funduszy Inwestycyjnych Pzu SA150$26.0K0.01%00.0%Unchanged
JFS Wealth Advisors, LLC150$26.0K0.00%+80+114.3%Added
DV Equities, LLC155$26.9K0.00%+155New
Harbor Investment Advisory, LLC156$27.1K0.00%+83+113.7%Added
Sittner & Nelson, LLC150$28.6K0.01%+150New
Clear Street Markets LLC165$28.6K0.01%−446−73.0%Reduced
Aventus Investment Advisors, Inc.170$29.5K0.02%00.0%Unchanged
Gould Capital, LLC171$29.7K0.02%00.0%Unchanged
First Pacific Financial177$30.7K0.00%+1+0.6%Added
South Plains Financial, Inc.178$30.9K0.02%00.0%Unchanged
Parkside Financial Bank & Trust178$30.9K0.00%+17+10.6%Added
Asset Dedication, LLC183$31.8K0.00%00.0%Unchanged
University of Texas/Texas Am Investment Managment Co183$31.8K0.00%+183New
McIlrath & Eck, LLC183$31.8K0.00%+183New
MCF Advisors LLC187$32.5K0.00%00.0%Unchanged
Luminist Capital LLC189$32.8K0.04%00.0%Unchanged
First Horizon Corp190$33.0K0.00%+18+10.5%Added
Independence Bank of Kentucky200$34.7K0.00%00.0%Unchanged
Rexford Capital Inc200$34.7K0.03%00.0%Unchanged
State of Wyoming201$34.9K0.00%+95+89.6%Added
Rothschild Investment LLC210$36.4K0.00%−8−3.7%Reduced
NBC Securities, Inc.210$36.4K0.00%00.0%Unchanged
Bruce G. Allen Investments, LLC210$36.4K0.02%+29+16.0%Added
ORG Partners LLC211$36.6K0.01%+84+66.1%Added
Sarver Vrooman Wealth Advisors213$37.0K0.02%−6−2.7%Reduced
Citizens National Bank Trust Department230$39.9K0.01%00.0%Unchanged
Archer Investment Corp231$40.2K0.01%00.0%Unchanged
MTM Investment Management, LLC239$41.5K0.01%00.0%Unchanged
Steigerwald, Gordon & Koch Inc.245$42.5K0.00%00.0%Unchanged
Dunhill Financial, LLC263$45.6K0.01%+3+1.2%Added
SJS Investment Consulting Inc.272$47.2K0.01%+1+0.4%Added
Westpac Banking Corp294$51.0K0.00%−567−65.9%Reduced
Board of the Pension Protection Fund300$52.1K0.05%+300New
Strategic Wealth Partners, Ltd.308$53.4K0.00%00.0%Unchanged
New England Capital Financial Advisors LLC312$54.1K0.02%−79−20.2%Reduced
Bell Investment Advisors, Inc312$54.1K0.01%−7−2.2%Reduced
Onefund, LLC320$55.5K0.03%+20+6.7%Added
Wiser Advisor Group LLC338$58.7K0.07%+1+0.3%Added
Cheviot Value Management, LLC324$59.2K0.01%00.0%Unchanged
SBI Securities Co., Ltd.348$60.4K0.00%+4+1.2%Added
Quaker Wealth Management, LLC353$61.3K0.02%00.0%Unchanged
Cromwell Holdings LLC372$64.6K0.04%00.0%Unchanged
Coastline Trust Co379$65.8K0.01%00.0%Unchanged
Caitong International Asset Management Co., Ltd380$65.9K0.02%+207+119.7%Added
Ancora Advisors, LLC381$66.0K0.00%+244+178.1%Added
Root Financial Partners, LLC398$69.1K0.00%+35+9.6%Added
Glen Eagle Advisors, LLC400$69.4K0.01%00.0%Unchanged
Havemeyer Place LP402$69.8K0.01%+402New