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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, Q3 2025

Institutional positions in Quest Diagnostics Inc as of Sep 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
1,006
+34 vs. Q2 2025
Shares held
105.0M
−1.02M (−1.0%) vs. Q2 2025
Total value
$20.0B
+$944.3M (+5.0%) vs. Q2 2025
New holders
115
359 more added
Sold out
81
342 more reduced

19 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,006 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 heldQ3 2025: $20.0B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q2 2025.

Institutions holding DGX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Colonial Trust Co3,738$712.4K0.10%−202−5.1%Reduced
Tokio Marine Asset Management Co Ltd3,731$711.1K0.03%+140+3.9%Added
Stephenson National Bank & Trust3,688$702.9K0.21%−690−15.8%Reduced
Douglass Winthrop Advisors, LLC3,686$702.5K0.01%+36+1.0%Added
Graham Capital Management, L.P.3,673$700.0K0.03%+3,673New
Steward Partners Investment Advisory, LLC3,663$698.1K0.00%+277+8.2%Added
Kovitz Investment Group Partners, LLC3,645$694.6K0.00%+84+2.4%Added
Siemens Fonds Invest GmbH3,612$688.4K0.04%−19−0.5%Reduced
Lazard Asset Management LLC3,606$687.2K0.00%+1,163+47.6%Added
MAI Capital Management3,598$685.6K0.00%+1,058+41.7%Added
Kingswood Wealth Advisors, LLC3,597$685.5K0.04%−82−2.2%Reduced
Northwestern Mutual Investment Management Company, LLC3,563$679.0K0.01%+2+0.1%Added
Forum Financial Management, LP3,556$677.8K0.01%+1,329+59.7%Added
Caxton Associates LLP3,528$672.4K0.02%+3,528New
GAMMA Investing LLC3,511$669.1K0.04%+520+17.4%Added
Advisory Services Network, LLC3,438$655.2K0.01%−95−2.7%Reduced
Meeder Advisory Services, Inc.3,423$652.3K0.03%−86−2.5%Reduced
Kennebec Savings Bank3,396$647.2K0.59%−219−6.1%Reduced
Jericho Financial, LLP3,375$643.1K0.39%−195−5.5%Reduced
Shell Asset Management Co3,371$642.0K0.06%−1,350−28.6%Reduced
Parallel Advisors, LLC3,362$640.8K0.01%−22−0.7%Reduced
Meridian Wealth Management, LLC3,352$638.7K0.02%−10.0%Reduced
Tectonic Advisors LLC3,320$632.8K0.03%−10.0%Reduced
Godshalk Welsh Capital Management, Inc.3,300$628.9K0.36%00.0%Unchanged
First American Bank3,293$627.6K0.04%+130+4.1%Added
OMC Financial Services LTD3,279$624.9K0.23%00.0%Unchanged
Acropolis Investment Management, LLC3,456$620.8K0.03%−8−0.2%Reduced
AIA Group Ltd3,240$617.5K0.01%+3,240New
Syon Capital LLC3,231$615.8K0.03%+1,786+123.6%Added
Chicago Partners Investment Group LLC3,447$614.4K0.02%+2,013+140.4%Added
Voleon Capital Management LP3,201$610.0K0.01%+3,201New
Blueshift Asset Management, LLC3,173$604.7K0.19%−367−10.4%Reduced
Martin Capital Advisors, LLP3,145$599.4K0.36%00.0%Unchanged
Harbor Capital Advisors, Inc.3,128$596.0K0.05%−7,661−71.0%Reduced
SRS Capital Advisors, Inc.3,124$595.4K0.01%+2,623+523.6%Added
United Capital Financial Advisers, LLC3,118$594.2K0.00%−133−4.1%Reduced
Kestra Private Wealth Services, LLC3,107$592.1K0.01%+477+18.1%Added
RSM US Wealth Management LLC3,102$591.2K0.01%+987+46.7%Added
Bessemer Group Inc3,085$588.0K0.00%+190+6.6%Added
AE Wealth Management LLC3,077$586.5K0.00%+389+14.5%Added
GF Fund Management Co. Ltd.3,071$585.3K0.01%+298+10.7%Added
Unified Investment Management3,064$583.9K0.58%−101−3.2%Reduced
Personal Cfo Solutions, LLC3,056$582.4K0.10%+10.0%Added
Red Door Wealth Management, LLC3,023$576.1K0.06%+3+0.1%Added
Hunter Associates Investment Management LLC3,022$575.0K0.08%00.0%Unchanged
MUFG Securities Americas Inc.3,016$574.8K0.04%+542+21.9%Added
Horizon Kinetics Asset Management LLC3,000$571.7K0.01%−2,100−41.2%Reduced
Capital Investment Advisors, LLC2,994$570.5K0.01%+29+1.0%Added
Greenleaf Trust2,970$566.0K0.01%+41+1.4%Added
Wealthspire Advisors, LLC2,960$564.1K0.00%−170−5.4%Reduced
Hobart Private Capital, LLC2,959$563.9K0.12%+2,959New
Walleye Trading LLC2,958$563.7K0.01%+2,958New
Savvy Advisors, Inc.2,955$563.2K0.03%+327+12.4%Added
Kentucky Retirement Systems Insurance Trust Fund2,933$559.0K0.04%−85−2.8%Reduced
Diversify Advisory Services, LLC3,112$556.5K0.02%+11+0.4%Added
Essex Financial Services, Inc.2,911$554.7K0.03%+279+10.6%Added
Werlinich Asset Management, LLC2,910$554.6K0.28%00.0%Unchanged
Cinctive Capital Management LP2,908$554.2K0.03%+2,908New
Mountain Pacific Investment Advisers Inc2,900$552.7K0.09%00.0%Unchanged
Shufro Rose & Co LLC3,250$549.9K0.05%−700−17.7%Reduced
Farther Finance Advisors, LLC2,864$545.9K0.01%+208+7.8%Added
Guggenheim Capital LLC2,857$544.5K0.00%+304+11.9%Added
Garrison Point Advisors, LLC2,856$544.3K0.23%00.0%Unchanged
Twin Tree Management, LP2,850$543.2K0.03%−7,701−73.0%Reduced
Kayne Anderson Rudnick Investment Management LLC2,810$535.5K0.00%−1,470−34.3%Reduced
Wedmont Private Capital2,940$534.8K0.02%+337+12.9%Added
Emergent Wealth Advisors, LLC2,800$533.6K0.31%00.0%Unchanged
Aurdan Capital Management, LLC2,791$531.9K0.17%−4,146−59.8%Reduced
Miracle Mile Advisors, LLC2,788$531.3K0.01%+70+2.6%Added
Acadian Asset Management LLC2,794$531.0K0.00%00.0%Unchanged
Sequent Asset Management, LLC2,692$513.0K0.24%00.0%Unchanged
Triangle Securities Wealth Management2,684$511.5K0.12%−25−0.9%Reduced
Savant Capital, LLC2,668$508.4K0.00%+639+31.5%Added
STRS Ohio2,665$507.9K0.00%−15,056−85.0%Reduced
Integrated Wealth Concepts LLC2,657$506.4K0.00%−691−20.6%Reduced
Pensionmark Financial Group, LLC2,633$501.7K0.01%+10+0.4%Added
BankPlus Wealth Management LLC2,617$498.7K0.29%+152+6.2%Added
Sherbrooke Park Advisers LLC2,571$490.0K0.23%+2,571New
Brighton Jones LLC2,548$485.7K0.01%+19+0.8%Added
First Financial Bank - Trust Division2,540$484.1K0.04%−79−3.0%Reduced
Concurrent Investment Advisors, LLC2,527$481.6K0.01%+309+13.9%Added
Montecito Bank & Trust2,509$478.2K0.07%+2,509New
Man Group plc2,504$477.2K0.00%−487−16.3%Reduced
Searle & Co.2,500$476.4K0.13%00.0%Unchanged
Alps Advisors Inc2,495$475.5K0.00%+400+19.1%Added
Berkshire Asset Management LLC2,490$474.5K0.02%+1,030+70.5%Added
Intrua Financial, LLC2,487$474.0K0.06%00.0%Unchanged
Investment House LLC2,475$471.7K0.02%00.0%Unchanged
J.W. Cole Advisors, Inc.2,471$470.9K0.01%+630+34.2%Added
Beacon Pointe Advisors, LLC2,464$469.6K0.00%−87−3.4%Reduced
Genesee Capital Advisors, LLC2,377$452.9K0.20%+12+0.5%Added
Raab & Moskowitz Asset Management LLC2,371$451.9K0.10%00.0%Unchanged
NEOS Investment Management LLC2,351$448.1K0.00%+2,351New
First Wilshire Securities Management Inc2,350$447.9K0.12%00.0%Unchanged
Waters Parkerson & Co., LLC2,350$447.9K0.02%00.0%Unchanged
Meiji Yasuda Asset Management Co Ltd.2,337$445.4K0.02%−181−7.2%Reduced
Mitchell McLeod Pugh & Williams Inc2,494$444.6K0.07%+86+3.6%Added
Baader Bank INC2,331$444.2K0.04%+108+4.9%Added
Legacy Capital Wealth Partners, LLC2,317$441.5K0.10%−39−1.7%Reduced
Capital Insight Partners, LLC2,314$441.0K0.07%+314+15.7%Added