Skip to main content

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
Strive Financial Group ,LLC279$59.1K0.03%−141−33.6%Reduced
Union Bancaire Privee, UBP SA380$61.0K0.00%−7,267−95.0%Reduced
Westpac Banking Corp294$62.3K0.00%00.0%Unchanged
SJS Investment Consulting Inc.297$63.0K0.01%+21+7.6%Added
Onefund, LLC304$64.4K0.04%−3−1.0%Reduced
Bell Investment Advisors, Inc310$65.7K0.01%−5−1.6%Reduced
Beacon Investment Advisory Services, Inc.310$65.7K0.00%00.0%Unchanged
Deseret Mutual Benefit Administrators311$65.9K0.02%−27−8.0%Reduced
New England Capital Financial Advisors LLC312$66.1K0.02%00.0%Unchanged
Richardson Financial Services Inc.321$68.0K0.04%+35+12.2%Added
Cheviot Value Management, LLC324$68.7K0.01%00.0%Unchanged
International Assets Investment Management, LLC20,234$69.3K0.00%+20,234New
Wiser Advisor Group LLC341$72.3K0.08%+1+0.3%Added
Steigerwald, Gordon & Koch Inc.345$73.1K0.01%+100+40.8%Added
Quaker Wealth Management, LLC353$74.8K0.02%−2−0.6%Reduced
First Horizon Corp355$75.2K0.00%+199+127.6%Added
Davis Capital Management364$77.2K0.05%+363+36,300.0%Added
SBI Securities Co., Ltd.374$79.3K0.00%+1+0.3%Added
Coastline Trust Co379$80.3K0.01%00.0%Unchanged
Cromwell Holdings LLC389$82.4K0.04%+17+4.6%Added
JPL Wealth Management, LLC398$84.4K0.02%+1+0.3%Added
Park National Corp399$84.6K0.00%−80−16.7%Reduced
Glen Eagle Advisors, LLC400$84.8K0.01%00.0%Unchanged
Grove Bank & Trust422$89.4K0.01%+300+245.9%Added
Persistent Asset Partners Ltd429$90.9K0.03%+429New
Private Wealth Management Group, LLC442$93.7K0.02%+369+505.5%Added
Old Second National Bank of Aurora450$95.4K0.02%00.0%Unchanged
Harvest Fund Management Co., Ltd451$96.0K0.00%−12−2.6%Reduced
Federated Hermes, Inc.463$98.1K0.00%+2+0.4%Added
TIAA Wealth Investment Management LLC475$100.7K0.00%+294+162.4%Added
McMillan Office, Inc.486$103.0K0.01%00.0%Unchanged
Aviso Financial Inc.489$103.6K0.00%+269+122.3%Added
Networth Advisors, LLC491$104.1K0.06%00.0%Unchanged
Los Angeles Capital Management LLC507$107.5K0.00%00.0%Unchanged
Webster Bank, N. A.518$109.8K0.01%00.0%Unchanged
PEAK6 LLC520$110.2K0.00%+520New
Silver Grove Financial Group, Inc.539$114.3K0.06%+539New
Oslo Pensjonsforsikring AS547$115.9K0.01%00.0%Unchanged
Bryn Mawr Trust Co554$117.4K0.00%+4+0.7%Added
Larson Financial Group LLC569$120.6K0.00%+56+10.9%Added
Princeton Global Asset Management LLC570$120.9K0.02%−8−1.4%Reduced
Heritage Wealth Advisors590$125.1K0.00%00.0%Unchanged
Cypress Capital Management LLC (WY)600$127.2K0.11%00.0%Unchanged
Curat Global, LLC600$127.2K0.11%00.0%Unchanged
Continuum Advisory, LLC611$129.5K0.01%+611New
Optiver Holding B.V.625$132.5K0.00%+547+701.3%Added
Geneos Wealth Management Inc.637$135.0K0.00%−173−21.4%Reduced
Covestor Ltd644$137.0K0.08%−68−9.6%Reduced
Gen-Wealth Partners Inc660$139.9K0.04%−304−31.5%Reduced
Southern Michigan Bank & Trust686$145.4K0.05%00.0%Unchanged
Harbour Investments, Inc.696$147.4K0.00%00.0%Unchanged
Pinnacle Wealth Planning Services, Inc.699$148.1K0.01%+22+3.2%Added
Loring Wolcott & Coolidge Fiduciary Advisors LLP703$149.0K0.00%+655+1,364.6%Added
Salomon & Ludwin, LLC703$151.9K0.01%00.0%Unchanged
Cary Street Partners Financial LLC741$157.0K0.00%+159+27.3%Added
Keating Financial Advisory Services, Inc.772$163.6K0.02%−155−16.7%Reduced
Salem Investment Counselors Inc815$172.7K0.00%00.0%Unchanged
Versant Capital Management, Inc820$173.8K0.02%−106−11.4%Reduced
Livforsakringsbolaget Skandia, Omsesidigt889$188.3K0.01%00.0%Unchanged
Spire Wealth Management896$190.0K0.01%+30+3.5%Added
Wellington Shields & Co., LLC933$197.7K0.04%00.0%Unchanged
Atlantic Union Bankshares Corp935$198.1K0.00%−2−0.2%Reduced
Atlantic Trust, LLC944$200.1K0.03%+7+0.7%Added
MFA Wealth Services945$200.3K0.12%+945New
Goldstein Advisors, LLC949$201.1K0.02%+949New
Montag A & Associates Inc950$201.4K0.01%00.0%Unchanged
Planned Solutions, Inc.950$201.4K0.06%+950New
Prime Capital Investment Advisors, LLC955$202.3K0.00%+955New
Proficio Capital Partners LLC957$202.9K0.01%+957New
Traphagen Investment Advisors LLC963$204.1K0.01%+963New
Rockland Trust Co967$205.0K0.01%−254−20.8%Reduced
Integrity Advisory Solutions, LLC976$207.0K0.02%+976New
AdvisorNet Financial, Inc981$207.9K0.01%+254+34.9%Added
Evercore Wealth Management, LLC1,000$211.9K0.00%−786−44.0%Reduced
PKO Investment Management Joint-Stock Co1,000$211.9K0.02%00.0%Unchanged
National Philanthropic Trust1,000$211.9K0.00%+1,000New
Power Wealth Management LLC1,000$211.9K0.07%+1,000New
Harbour Trust & Investment Management Co1,000$211.9K0.02%+1,000New
Gateway Investment Advisers LLC1,003$212.6K0.00%−383−27.6%Reduced
Hantz Financial Services, Inc.1,007$213.0K0.00%+91+9.9%Added
Tower Wealth Partners, Inc.1,006$213.2K0.11%+1,006New
Smithfield Trust Co1,018$216.0K0.01%00.0%Unchanged
LRI Investments, LLC1,026$217.5K0.02%+562+121.1%Added
Longboard Asset Management, LP1,036$219.6K3.68%00.0%Unchanged
State of Wyoming1,042$220.9K0.02%+848+437.1%Added
EPG Wealth Management LLC1,042$220.9K0.05%+1,042New
Tower Research Capital LLC (TRC)1,049$222.3K0.01%−1,028−49.5%Reduced
Cary Street Partner Investment Advisory LLC1,059$224.3K0.05%−117−9.9%Reduced
Rossby Financial, LCC1,058$224.3K0.04%+313+42.0%Added
Claret Asset Management Corp1,061$225.0K0.02%−227−17.6%Reduced
Augustine Asset Management Inc1,066$225.9K0.05%+1,066New
Pinnacle Wealth Management Advisory Group, LLC1,066$225.9K0.01%+1,066New
Cigna Investments Inc1,068$226.0K0.03%−37−3.3%Reduced
Cidel Asset Management Inc1,069$226.6K0.01%00.0%Unchanged
Avantax Planning Partners, Inc.1,071$227.0K0.01%00.0%Unchanged
CoreCap Advisors, LLC1,073$227.5K0.01%+509+90.2%Added
Wall Street Access Asset Management, LLC1,080$228.9K0.03%+540+100.0%Added
Ronald Blue Trust, Inc.1,090$231.1K0.00%+27+2.5%Added
Insigneo Advisory Services, LLC1,096$232.3K0.01%+19+1.8%Added
Whittier Trust Co of Nevada Inc1,099$233.4K0.00%+53+5.1%Added