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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
International Assets Investment Management, LLC20,234$69.3K0.00%+20,234New
Cheviot Value Management, LLC324$68.7K0.01%00.0%Unchanged
Richardson Financial Services Inc.321$68.0K0.04%+35+12.2%Added
New England Capital Financial Advisors LLC312$66.1K0.02%00.0%Unchanged
Deseret Mutual Benefit Administrators311$65.9K0.02%−27−8.0%Reduced
Bell Investment Advisors, Inc310$65.7K0.01%−5−1.6%Reduced
Beacon Investment Advisory Services, Inc.310$65.7K0.00%00.0%Unchanged
Onefund, LLC304$64.4K0.04%−3−1.0%Reduced
SJS Investment Consulting Inc.297$63.0K0.01%+21+7.6%Added
Westpac Banking Corp294$62.3K0.00%00.0%Unchanged
Union Bancaire Privee, UBP SA380$61.0K0.00%−7,267−95.0%Reduced
Strive Financial Group ,LLC279$59.1K0.03%−141−33.6%Reduced
CVA Family Office, LLC256$54.3K0.00%−5−1.9%Reduced
Towarzystwo Funduszy Inwestycyjnych Pzu SA250$53.0K0.01%+100+66.7%Added
Strategic Wealth Partners, Ltd.248$52.6K0.00%−60−19.5%Reduced
Raiffeisen Bank International AG239$50.8K0.00%+148+162.6%Added
MTM Investment Management, LLC239$50.7K0.01%00.0%Unchanged
First Command Advisory Services, Inc.233$49.4K0.00%+199+585.3%Added
Valley National Advisers Inc232$49.2K0.01%−6−2.5%Reduced
Archer Investment Corp232$49.1K0.01%+1+0.4%Added
Citizens National Bank Trust Department230$48.7K0.01%00.0%Unchanged
Rothschild Investment LLC224$47.5K0.00%+1+0.4%Added
Dunhill Financial, LLC218$46.3K0.01%00.0%Unchanged
Sarver Vrooman Wealth Advisors213$46.0K0.03%00.0%Unchanged
Pinnacle Bancorp, Inc.217$46.0K0.01%+150+223.9%Added
Ameritas Advisory Services, LLC211$44.6K0.00%+211New
Parkside Financial Bank & Trust204$43.2K0.00%+5+2.5%Added
Wellington Shields Capital Management, LLC200$42.4K0.01%00.0%Unchanged
Rexford Capital Inc200$42.4K0.03%00.0%Unchanged
South Plains Financial, Inc.198$42.0K0.02%00.0%Unchanged
Institute for Wealth Management, LLC.195$41.3K0.00%+195New
Neo Ivy Capital Management191$40.5K0.01%+191New
Bruce G. Allen Investments, LLC189$40.1K0.03%−18−8.7%Reduced
Gould Capital, LLC189$40.1K0.02%00.0%Unchanged
Luminist Capital LLC189$40.1K0.05%+189New
MCF Advisors LLC187$39.6K0.00%00.0%Unchanged
University of Texas/Texas Am Investment Managment Co183$38.8K0.00%00.0%Unchanged
First Pacific Financial178$37.8K0.00%00.0%Unchanged
Aventus Investment Advisors, Inc.170$36.0K0.03%00.0%Unchanged
Bayforest Capital Ltd169$35.8K0.03%+169New
Peterson Wealth Services167$35.4K0.01%+17+11.3%Added
Frazier Financial Advisors, LLC166$35.3K0.02%00.0%Unchanged
Vanguard National Trust Co166$35.2K0.00%−207−55.5%Reduced
Sittner & Nelson, LLC150$31.8K0.01%00.0%Unchanged
Millstone Evans Group, LLC148$31.4K0.02%00.0%Unchanged
Quent Capital, LLC142$30.1K0.00%+68+91.9%Added
Ancora Advisors, LLC137$29.0K0.00%−244−64.0%Reduced
Zions Bancorporation, National Association134$28.4K0.00%+40+42.6%Added
JFS Wealth Advisors, LLC133$28.2K0.00%+4+3.1%Added
GW&K Investment Management, LLC134$28.0K0.00%+29+27.6%Added
DT Investment Partners, LLC131$27.8K0.00%00.0%Unchanged
Bellevue Group AG131$27.8K0.00%00.0%Unchanged
Key Financial Inc128$27.1K0.00%00.0%Unchanged
Godfrey Financial Associates, Inc.128$27.1K0.02%00.0%Unchanged
New Age Alpha Advisors, LLC127$26.9K0.00%+3+2.4%Added
True Wealth Design, LLC122$25.9K0.01%00.0%Unchanged
Centerpoint Advisors, LLC116$25.0K0.01%−1−0.9%Reduced
Louisbourg Investments Inc.117$24.8K0.00%+117New
Cassaday & Co Wealth Management LLC116$24.7K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC116$24.6K0.00%00.0%Unchanged
Pflug Koory, LLC115$24.4K0.01%00.0%Unchanged
Basecamp Wealth Advisors LLC115$24.4K0.00%00.0%Unchanged
NBC Securities, Inc.113$23.9K0.00%00.0%Unchanged
Pittenger & Anderson Inc110$23.3K0.00%00.0%Unchanged
Rosenberg Matthew Hamilton110$23.3K0.00%00.0%Unchanged
Align Financial, LLC110$23.3K0.01%00.0%Unchanged
Manchester Capital Management LLC103$21.8K0.00%−10−8.8%Reduced
Oakmont Advisory Group, LLC101$21.3K0.02%+101New
Independence Bank of Kentucky100$21.2K0.00%−100−50.0%Reduced
Costello Asset Management, INC100$21.2K0.01%00.0%Unchanged
Bradley & Co. Private Wealth Management, LLC100$21.2K0.01%00.0%Unchanged
Avion Wealth103$21.0K0.00%+8+8.4%Added
Security National Bank of So Dak99$21.0K0.01%+99New
Cullen/Frost Bankers, Inc.91$19.2K0.00%+1+1.1%Added
Johnson Financial Group, Inc.89$18.9K0.00%−6−6.3%Reduced
Cornerstone Planning Group LLC90$18.8K0.00%+5+5.9%Added
Walleye Capital LLC88$18.7K0.00%−2,130−96.0%Reduced
Compass Financial Management LLC88$18.6K0.00%+88New
PlanVest Financial, Inc87$18.4K0.01%00.0%Unchanged
Action Point Financial Planning, LLC86$18.0K0.00%+86New
iA Global Asset Management Inc.86$18.0K0.00%−10,911−99.2%Reduced
Fortitude Family Office, LLC81$17.2K0.00%−4−4.7%Reduced
Golden State Wealth Management, LLC81$17.2K0.00%00.0%Unchanged
Ogorek Anthony Joseph84$17.0K0.00%00.0%Unchanged
Abound Wealth Management75$16.0K0.00%−22−22.7%Reduced
Owl Creek Wealth Partners LLC75$15.9K0.00%−5−6.3%Reduced
Ritter Daniher Financial Advisory LLC74$15.7K0.00%00.0%Unchanged
MV Capital Management, Inc.74$15.7K0.00%+1+1.4%Added
Wolff Wiese Magana LLC70$14.8K0.01%00.0%Unchanged
Orion Capital Management LLC70$14.8K0.00%00.0%Unchanged
West Paces Advisors Inc.69$14.6K0.00%+69New
WPG Advisers, LLC68$14.4K0.01%00.0%Unchanged
Medallion Wealth Advisors, LLC68$14.4K0.00%00.0%Unchanged
EFG International AG65$13.8K0.00%+22+51.2%Added
MidFirst Bank64$13.6K0.00%+64New
TD Capital Management LLC63$13.4K0.00%00.0%Unchanged
Boreal Capital Management LLC62$13.1K0.01%00.0%Unchanged
Hazlett, Burt & Watson, Inc.60$13.0K0.00%00.0%Unchanged
SHP Wealth Management61$12.9K0.00%+47+335.7%Added
Bartlett & Co. Wealth Management LLC58$12.3K0.00%+12+26.1%Added