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Livermore
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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 2025

Institutional positions in Quest Diagnostics Inc as of Jun 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
991
+37 vs. Q1 2025
Shares held
107.4M
+4.37M (+4.2%) vs. Q1 2025
Total value
$19.3B
+$1.85B (+10.6%) vs. Q1 2025
New holders
120
366 more added
Sold out
83
327 more reduced

15 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 991 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 2025: $19.3B
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 2025

Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q1 2025.

Institutions holding DGX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Curat Global, LLC600$107.8K0.10%00.0%Unchanged
Smartleaf Asset Management LLC672$119.6K0.01%−180−21.1%Reduced
Valley National Advisers Inc754$135.0K0.02%−130−14.7%Reduced
Icon Wealth Advisors, LLC850$152.7K0.01%−22−2.5%Reduced
Westpac Banking Corp873$156.8K0.01%−17,612−95.3%Reduced
AlphaCore Capital LLC925$166.2K0.01%+925New
Atlantic Trust, LLC947$170.1K0.03%+220+30.3%Added
Montag A & Associates Inc950$170.6K0.01%00.0%Unchanged
Headlands Technologies LLC950$170.6K0.02%+950New
Ossiam998$179.3K0.00%+316+46.3%Added
Antipodes Partners Ltd1,000$179.6K0.01%+198+24.7%Added
Investors Research Corp1,009$181.2K0.04%00.0%Unchanged
Spire Wealth Management1,012$181.7K0.01%−345−25.4%Reduced
Smithfield Trust Co1,018$182.0K0.01%−5−0.5%Reduced
Global Retirement Partners, LLC1,037$186.2K0.00%+1,037New
Whittier Trust Co of Nevada Inc1,059$190.2K0.00%−6−0.6%Reduced
Private Trust Co NA1,076$193.3K0.02%+23+2.2%Added
Cullen/Frost Bankers, Inc.1,076$193.3K0.00%+17+1.6%Added
Cary Street Partner Investment Advisory LLC1,077$193.3K0.09%+40+3.9%Added
Livforsakringsbolaget Skandia, Omsesidigt1,089$195.4K0.01%00.0%Unchanged
John G Ullman & Associates Inc1,114$200.1K0.03%+1,114New
KFG Wealth Management, LLC1,115$200.3K0.03%+1,115New
D.A. Davidson & Co.1,118$200.8K0.00%+1,118New
Wescott Financial Advisory Group, LLC1,132$203.3K0.02%+1,132New
Geneos Wealth Management Inc.1,134$203.7K0.00%+194+20.6%Added
Members Capital Advisors Inc1,140$204.8K0.24%00.0%Unchanged
Axq Capital, LP1,143$205.3K0.07%−4,254−78.8%Reduced
Citizens Financial Group Inc1,145$205.7K0.00%+1,145New
Cary Street Partners Financial LLC1,146$205.9K0.01%−366−24.2%Reduced
International Private Wealth Advisors LLC1,152$206.9K0.18%−104−8.3%Reduced
Quadcap Wealth Management, LLC1,152$206.9K0.03%+1,152New
Perkins Coie Trust Co1,155$207.5K0.04%00.0%Unchanged
Brevan Howard Capital Management LP1,160$208.4K0.00%+1,160New
Graypoint LLC1,162$208.8K0.01%+1,162New
Wedbush Securities Inc1,173$211.0K0.01%−165−12.3%Reduced
Phillips Wealth Planners LLC1,227$211.7K0.19%+1,227New
Townsend Asset Management Corp1,198$215.2K0.08%00.0%Unchanged
First American Trust, FSB1,198$215.3K0.02%+1+0.1%Added
Baker Ellis Asset Management LLC1,200$215.6K0.03%−20−1.6%Reduced
Perkins Capital Management Inc1,200$215.6K0.22%00.0%Unchanged
J. W. Coons Advisors, LLC1,200$215.6K0.05%00.0%Unchanged
Valley Brook Capital Group1,200$215.6K0.16%00.0%Unchanged
Wilson & Boucher Capital Management, LLC1,200$215.6K0.15%00.0%Unchanged
Viewpoint Capital Management LLC1,200$215.6K0.11%00.0%Unchanged
One Wealth Advisors, LLC1,200$215.6K0.03%+1,200New
Covestor Ltd1,202$216.0K0.13%−221−15.5%Reduced
Perigon Wealth Management, LLC1,220$219.1K0.01%−84−6.4%Reduced
Camden National Bank1,223$219.7K0.03%+1,223New
Perbak Capital Partners LLP1,224$219.9K0.05%+1,224New
Fisher Asset Management, LLC1,224$220.0K0.00%−1,124−47.9%Reduced
Crestwood Advisors Group LLC1,228$220.6K0.00%+1,228New
Oppenheimer Asset Management Inc.1,232$221.3K0.00%−890−41.9%Reduced
Biltmore Family Office, LLC1,239$222.6K0.04%00.0%Unchanged
Trust Investment Advisors1,240$222.7K0.14%+1,240New
IHT Wealth Management, LLC1,244$223.4K0.01%+1,244New
Radnor Capital Management, LLC1,257$226.0K0.04%00.0%Unchanged
Mutual Advisors, LLC1,346$226.8K0.01%−1,265−48.4%Reduced
Patton Fund Management, Inc.1,267$227.6K0.05%+1,267New
EdgePoint Investment Group Inc.1,271$228.3K0.00%+1,271New
Scott Marsh Financial, LLC1,278$229.4K0.09%+1,278New
Cape Cod Five Cents Savings Bank1,480$229.8K0.02%00.0%Unchanged
Trust Asset Management LLC1,282$230.3K0.02%00.0%Unchanged
Zhang Financial LLC1,285$230.8K0.01%+7+0.5%Added
Harbour Investments, Inc.1,290$231.7K0.01%+53+4.3%Added
AdvisorNet Financial, Inc1,293$232.2K0.01%−166−11.4%Reduced
Check Capital Management Inc1,300$233.5K0.02%00.0%Unchanged
Capital Advisors, Ltd. LLC1,301$234.0K0.03%00.0%Unchanged
Claret Asset Management Corp1,309$235.0K0.03%––
Victrix Investment Advisors1,310$235.3K0.10%−65−4.7%Reduced
Clarius Group, LLC1,316$236.4K0.01%−105−7.4%Reduced
WFA of San Diego, LLC1,324$237.8K0.18%+1,324New
Dakota Wealth Management1,330$238.9K0.01%−477−26.4%Reduced
Hills Bank & Trust Co1,331$239.1K0.02%00.0%Unchanged
Golden State Equity Partners1,333$239.4K0.04%−170−11.3%Reduced
OneAscent Financial Services LLC1,335$240.0K0.02%−177−11.7%Reduced
Fukoku Mutual Life Insurance Co1,339$240.5K0.02%00.0%Unchanged
Trust Co of Vermont1,340$240.7K0.01%+110+8.9%Added
Westshore Wealth, LLC1,347$242.0K0.09%00.0%Unchanged
Turtle Creek Wealth Advisors, LLC1,348$242.1K0.03%+1,348New
High Net Worth Advisory Group LLC1,350$242.5K0.06%00.0%Unchanged
Chicago Partners Investment Group LLC1,434$244.5K0.01%+288+25.1%Added
Ledyard National Bank1,385$248.8K0.02%+9+0.7%Added
Stanley-Laman Group, Ltd.1,398$251.1K0.04%+190+15.7%Added
WBH Advisory Inc1,400$251.5K0.02%00.0%Unchanged
Addison Advisors LLC1,400$251.5K0.06%+100+7.7%Added
Retirement Planning Co of New England, Inc.1,401$251.7K0.11%+10+0.7%Added
Scharf Investments, LLC1,413$253.8K0.01%00.0%Unchanged
Profund Advisors LLC1,423$255.6K0.01%−97−6.4%Reduced
Caisse de Depot Et Placement du Quebec1,425$256.0K0.00%+65+4.8%Added
Syon Capital LLC1,445$259.6K0.02%+54+3.9%Added
Mather Group, LLC.1,457$261.7K0.00%+367+33.7%Added
Berkshire Asset Management LLC1,460$262.3K0.01%00.0%Unchanged
Gillespie Robinson & Grimm Inc1,475$265.0K0.02%−200−11.9%Reduced
Checchi Capital Advisers, LLC1,485$266.8K0.02%−91−5.8%Reduced
Ironsides Asset Advisors, LLC1,490$267.6K0.08%+45+3.1%Added
True North Advisors, LLC1,493$268.2K0.05%+5+0.3%Added
Bradley Foster & Sargent Inc1,497$268.9K0.00%−51−3.3%Reduced
Evermay Wealth Management LLC1,499$269.3K0.03%00.0%Unchanged
Marex Group plc1,500$269.4K0.01%00.0%Unchanged
Kentucky Trust Co1,506$270.5K0.16%00.0%Unchanged