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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 2026

Institutional positions in Quest Diagnostics Inc as of Jun 30, 2026. 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
1,112
+52 vs. Q1 2026
Shares held
104.9M
+2.36M (+2.3%) vs. Q1 2026
Total value
$22.2B
+$2.12B (+10.6%) vs. Q1 2026
New holders
122
429 more added
Sold out
70
354 more reduced

9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 1,112 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 2026: $22.2B
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 2026

Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q1 2026.

Institutions holding DGX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Centurion Wealth Management LLC1,110$235.3K0.06%−350−24.0%Reduced
Quadcap Wealth Management, LLC1,122$237.8K0.02%+27+2.5%Added
Smartleaf Asset Management LLC1,120$238.2K0.01%00.0%Unchanged
First County Bank1,129$239.3K0.11%+19+1.7%Added
Verdence Capital Advisors LLC1,131$239.8K0.01%00.0%Unchanged
Private Trust Co NA1,145$242.7K0.02%+6+0.5%Added
Wescott Financial Advisory Group, LLC1,149$243.5K0.02%+5+0.4%Added
SeaCrest Wealth Management, LLC1,150$243.8K0.03%−518−31.1%Reduced
Cerro Pacific Wealth Advisors LLC1,154$244.6K0.06%+1,154New
Citizens Financial Group Inc1,156$245.0K0.00%+1,156New
Lake Street Financial LLC1,165$246.9K0.03%00.0%Unchanged
Whittier Trust Co1,158$247.2K0.00%00.0%Unchanged
Jump Financial, LLC1,177$249.5K0.00%−2,013−63.1%Reduced
Cape Cod Five Cents Savings Bank1,180$250.1K0.02%+1,180New
BSW Wealth Partners1,186$251.4K0.03%+1,186New
Annis Gardner Whiting Capital Advisors, LLC1,189$252.0K0.04%−2−0.2%Reduced
Confluence Wealth Services, Inc.1,191$252.4K0.01%+1,191New
Canvas Wealth Advisors, LLC1,191$252.5K0.04%−3−0.3%Reduced
Phillips Wealth Planners LLC1,191$252.9K0.19%+1+0.1%Added
Bravera Wealth1,196$253.5K0.10%00.0%Unchanged
Townsend Asset Management Corp1,198$253.9K0.08%00.0%Unchanged
Baker Ellis Asset Management LLC1,200$254.3K0.03%00.0%Unchanged
Wilson & Boucher Capital Management, LLC1,200$254.3K0.15%00.0%Unchanged
Viewpoint Capital Management LLC1,200$254.3K0.13%00.0%Unchanged
Victrix Investment Advisors1,210$256.5K0.11%−100−7.6%Reduced
Ellevest, Inc.1,217$257.4K0.03%+1,217New
Camden Capital, LLC1,220$258.6K0.01%−11−0.9%Reduced
Portfolio Design Labs, LLC1,226$259.9K0.04%+10+0.8%Added
Adelphi Trust Co1,230$260.7K0.17%+185+17.7%Added
Profund Advisors LLC1,232$261.1K0.01%+3+0.2%Added
Trust Asset Management LLC1,238$262.4K0.02%00.0%Unchanged
Biltmore Family Office, LLC1,250$264.9K0.03%+11+0.9%Added
Integrated Advisors Network LLC1,251$265.2K0.01%−28−2.2%Reduced
Capital Advisors, Ltd. LLC1,257$266.0K0.03%−1−0.1%Reduced
Radnor Capital Management, LLC1,257$266.4K0.04%00.0%Unchanged
Evermay Wealth Management LLC1,265$268.1K0.03%00.0%Unchanged
Moneta Group Investment Advisors LLC1,291$273.6K0.00%+17+1.3%Added
Tiaa-Cref Individual & Institutional Services, LLC1,294$274.3K0.00%+29+2.3%Added
Brookstone Capital Management1,297$274.8K0.00%−654−33.5%Reduced
Check Capital Management Inc1,300$275.5K0.02%00.0%Unchanged
OneAscent Financial Services LLC1,300$275.6K0.01%−23−1.7%Reduced
Legacy Capital Wealth Partners, LLC1,302$276.0K0.05%−521−28.6%Reduced
Westshore Wealth, LLC1,302$276.0K0.09%00.0%Unchanged
Eventide Asset Management, LLC1,316$279.8K0.00%+204+18.3%Added
Camden National Bank1,333$282.5K0.04%−57−4.1%Reduced
Hills Bank & Trust Co1,334$282.7K0.01%00.0%Unchanged
Davis R M Inc1,347$285.5K0.00%00.0%Unchanged
Trust Co of Vermont1,360$288.3K0.01%+1,360New
Mather Group, LLC.1,374$291.3K0.00%−28−2.0%Reduced
Retirement Planning Co of New England, Inc.1,384$293.4K0.11%−28−2.0%Reduced
Nicolet Bankshares Inc1,386$295.8K0.01%+78+6.0%Added
Perigon Wealth Management, LLC1,397$296.1K0.00%−38−2.6%Reduced
WBH Advisory Inc1,400$296.7K0.02%00.0%Unchanged
One Wealth Advisors, LLC1,407$298.2K0.03%+19+1.4%Added
Excelsior Advisor Network LLC1,417$300.3K0.04%+114+8.7%Added
Howard Capital Management Inc.1,421$301.2K0.00%+1,421New
Franklin Street Advisors Inc1,431$303.3K0.02%00.0%Unchanged
Wedbush Securities Inc1,437$305.0K0.01%+1+0.1%Added
Dakota Community Bank & Trust NA1,441$305.4K0.95%−6−0.4%Reduced
Steel Peak Wealth Management LLC1,446$306.5K0.01%+68+4.9%Added
C2P Capital Advisory Group, LLC d.b.a. Prosperity Capital Advisors1,452$307.8K0.02%−20−1.4%Reduced
Mutual Advisors, LLC1,453$307.9K0.01%+38+2.7%Added
PFG Private Wealth Management, LLC1,453$308.0K0.13%+71+5.1%Added
Optas, LLC1,482$314.1K0.04%−222−13.0%Reduced
Baker Avenue Asset Management, LP1,485$314.7K0.01%+43+3.0%Added
Alpha Zero LLC1,503$314.7K0.12%+1,503New
Americana Partners, LLC1,494$316.7K0.01%+1,494New
Aurdan Capital Management, LLC1,496$317.1K0.08%−227−13.2%Reduced
Bradley Foster & Sargent Inc1,503$318.6K0.00%00.0%Unchanged
Hilltop Holdings Inc.1,504$318.8K0.03%−2−0.1%Reduced
Kentucky Trust Co1,506$319.2K0.15%00.0%Unchanged
CNB Bank1,513$320.7K0.12%−102−6.3%Reduced
OpenArc Corporate Advisory, LLC1,517$321.5K0.00%+377+33.1%Added
Tema ETFs LLC1,518$321.7K0.01%+145+10.6%Added
Zhang Financial LLC1,519$322.0K0.01%+210+16.0%Added
IFG Advisory, LLC1,523$322.9K0.01%+1,523New
Summitry LLC1,530$324.3K0.01%−100−6.1%Reduced
Eads & Heald Wealth Management1,539$326.2K0.16%−10−0.6%Reduced
Citizens & Northern Corp1,540$326.4K0.07%−10−0.6%Reduced
DoubleLine ETF Adviser LP1,545$327.5K0.14%−127−7.6%Reduced
J.W. Cole Advisors, Inc.1,550$328.5K0.01%+36+2.4%Added
VestGen Advisors, LLC1,556$329.8K0.01%+24+1.6%Added
Legacy Financial Advisors, Inc.1,568$332.4K0.04%−5−0.3%Reduced
Axxcess Wealth Management, LLC1,571$332.9K0.01%+1,571New
Truvestments Capital LLC1,578$334.5K0.05%−35−2.2%Reduced
Prosperitas Financial LLC1,583$335.5K0.11%+1,583New
Oppenheimer Asset Management Inc.1,587$336.4K0.00%+330+26.3%Added
Commonwealth Financial Services, LLC1,589$336.8K0.05%−391−19.7%Reduced
China Universal Asset Management Co., Ltd.1,600$339.1K0.02%00.0%Unchanged
Sentry LLC1,600$339.1K0.09%00.0%Unchanged
Hager Investment Management Services, LLC1,600$339.2K0.16%00.0%Unchanged
HighPoint Advisor Group LLC1,600$339.2K0.01%−59−3.6%Reduced
Central Pacific Bank - Trust Division1,607$340.6K0.03%+102+6.8%Added
Allegheny Financial Group LTD1,609$341.0K0.04%+12+0.8%Added
Central Trust Co1,616$342.5K0.01%+111+7.4%Added
Mill Capital Management, LLC1,620$343.4K0.02%00.0%Unchanged
Jericho Financial, LLP1,622$343.7K0.18%−860−34.6%Reduced
River Wealth Advisors LLC1,626$344.6K0.04%−13−0.8%Reduced
NorthCrest Asset Manangement, LLC1,656$344.6K0.01%+161+10.8%Added
Clearstead Advisors, LLC1,628$345.1K0.00%+793+95.0%Added