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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, Q4 2025

Institutional positions in Quest Diagnostics Inc as of Dec 31, 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
1,050
+59 vs. Q3 2025
Shares held
106.1M
+1.44M (+1.4%) vs. Q3 2025
Total value
$18.4B
−$1.53B (−7.7%) vs. Q3 2025
New holders
149
350 more added
Sold out
90
345 more reduced

15 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,050 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 heldQ4 2025: $18.4B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q3 2025.

Institutions holding DGX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Triangle Securities Wealth Management2,684$465.8K0.10%00.0%Unchanged
STRS Ohio2,670$463.3K0.00%+5+0.2%Added
Moors & Cabot, Inc.2,664$462.2K0.02%+439+19.7%Added
Farther Finance Advisors, LLC2,643$458.6K0.00%−221−7.7%Reduced
Walleye Trading LLC2,641$458.3K0.01%−317−10.7%Reduced
Jericho Financial, LLP2,622$455.0K0.27%−753−22.3%Reduced
Shufro Rose & Co LLC2,622$455.0K0.03%−628−19.3%Reduced
NewEdge Wealth, LLC2,601$451.4K0.01%+2,601New
Diversified Management Inc2,596$450.5K0.11%+2,596New
Acropolis Investment Management, LLC2,593$450.0K0.02%−863−25.0%Reduced
Berkshire Asset Management LLC2,592$449.8K0.02%+102+4.1%Added
Skopos Labs, Inc.2,561$449.4K0.02%+917+55.8%Added
Axq Capital, LP2,550$442.5K0.10%+485+23.5%Added
BankPlus Wealth Management LLC2,546$442.0K0.24%−71−2.7%Reduced
First Financial Bank - Trust Division2,540$440.8K0.04%00.0%Unchanged
Alps Advisors Inc2,513$436.1K0.00%+18+0.7%Added
Investment House LLC2,503$434.3K0.02%+28+1.1%Added
Searle & Co.2,500$433.8K0.11%00.0%Unchanged
Intrua Financial, LLC2,487$431.6K0.05%00.0%Unchanged
IHT Wealth Management, LLC2,481$430.5K0.01%+1,267+104.4%Added
Montecito Bank & Trust2,474$429.3K0.07%−35−1.4%Reduced
Essex Financial Services, Inc.2,470$428.6K0.02%−441−15.1%Reduced
RD Lewis Holdings, Inc.2,298$425.5K0.36%−5−0.2%Reduced
Guggenheim Capital LLC2,451$425.3K0.00%−406−14.2%Reduced
Greenspring Advisors, LLC2,442$423.8K0.03%+524+27.3%Added
Aurdan Capital Management, LLC2,437$422.8K0.13%−354−12.7%Reduced
Ossiam2,423$420.5K0.01%+1,364+128.8%Added
Lighthouse Investment Partners, LLC2,407$417.7K0.01%+2,407New
Two Sigma Securities, LLC2,402$416.8K0.06%−3,951−62.2%Reduced
Genesee Capital Advisors, LLC2,386$414.1K0.17%+9+0.4%Added
Raab & Moskowitz Asset Management LLC2,371$411.4K0.09%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.2,370$411.3K0.00%+2,370New
Mount Yale Investment Advisors, LLC2,363$410.0K0.02%+666+39.2%Added
NEOS Investment Management LLC2,362$409.9K0.00%+11+0.5%Added
First Wilshire Securities Management Inc2,350$407.8K0.10%00.0%Unchanged
Waters Parkerson & Co., LLC2,350$407.8K0.02%00.0%Unchanged
Optimize Financial Inc2,343$406.6K0.20%+32+1.4%Added
111 Capital2,343$406.6K0.09%+2,343New
Meiji Yasuda Asset Management Co Ltd.2,337$405.5K0.02%00.0%Unchanged
WealthShield Partners, LLC2,306$400.2K0.04%00.0%Unchanged
D.A. Davidson & Co.2,289$397.2K0.00%+255+12.5%Added
Legacy Capital Wealth Partners, LLC2,289$397.2K0.09%−28−1.2%Reduced
Scientech Research LLC2,278$395.3K0.25%+2,278New
Quadrant Capital Group LLC2,273$394.4K0.01%+28+1.2%Added
Thomasville National Bank2,270$393.9K0.02%00.0%Unchanged
Ironsides Asset Advisors, LLC2,250$390.4K0.10%+795+54.6%Added
Evoke Wealth, LLC2,228$386.7K0.01%+2,228New
Keudell/Morrison Wealth Management2,196$381.1K0.08%+2,196New
Summit Financial, LLC2,189$379.8K0.01%+199+10.0%Added
Sagespring Wealth Partners, LLC2,188$379.7K0.01%+77+3.6%Added
Capital Insight Partners, LLC2,168$376.7K0.08%−146−6.3%Reduced
Jump Financial, LLC2,125$368.8K0.00%−2,174−50.6%Reduced
Versant Capital Management, Inc2,113$366.7K0.05%+892+73.1%Added
Baker Avenue Asset Management, LP2,099$364.2K0.01%+834+65.9%Added
Stevens Capital Management LP2,095$364.0K0.13%+2,095New
Gratus Wealth Advisors, LLC2,082$361.3K0.05%+51+2.5%Added
Foundations Investment Advisors, LLC2,081$361.2K0.00%−190−8.4%Reduced
Integrated Wealth Concepts LLC2,071$359.5K0.00%−586−22.1%Reduced
Lester Murray Antman dba SimplyRich2,066$358.0K0.09%−34−1.6%Reduced
Edgestream Partners, L.P.2,050$355.7K0.01%+2,050New
Kayne Anderson Rudnick Investment Management LLC2,047$355.2K0.00%−763−27.2%Reduced
HBK Sorce Advisory LLC1,842$351.3K0.01%−235−11.3%Reduced
BCS Private Wealth Management, Inc.2,015$349.7K0.12%+90+4.7%Added
Flagship Harbor Advisors, LLC2,012$349.2K0.02%−266−11.7%Reduced
Cypress Capital Group2,000$347.1K0.04%−48−2.3%Reduced
Holderness Investments Co2,000$347.1K0.07%00.0%Unchanged
NorthCrest Asset Manangement, LLC1,995$346.2K0.01%+25+1.3%Added
Koshinski Asset Management, Inc.1,978$343.2K0.02%+142+7.7%Added
Summitry LLC1,974$342.5K0.01%+334+20.4%Added
Silver Lake Advisory, LLC1,951$338.6K0.13%+8+0.4%Added
Global Retirement Partners, LLC1,944$337.3K0.01%+1,214+166.3%Added
TCG Advisory Services, LLC1,939$336.5K0.01%+623+47.3%Added
John G Ullman & Associates Inc1,932$335.3K0.04%+818+73.4%Added
DRW Securities, LLC1,928$334.6K0.03%+1,928New
Kera Capital Partners, Inc.1,780$332.9K0.04%+1,780New
SWMG, LLC1,730$329.9K0.09%+30+1.8%Added
S.A. Mason LLC1,900$329.7K0.13%00.0%Unchanged
First American Trust, FSB1,897$329.2K0.02%00.0%Unchanged
Inscription Capital, LLC1,883$326.8K0.03%+664+54.5%Added
O'Keefe Stevens Advisory, Inc.1,875$325.4K0.08%00.0%Unchanged
PFG Investments, LLC1,873$325.1K0.02%+6+0.3%Added
Optas, LLC1,847$320.5K0.05%+1,847New
Truvestments Capital LLC1,839$319.1K0.06%+5+0.3%Added
Franklin Street Advisors Inc1,838$318.9K0.02%00.0%Unchanged
Clearstead Advisors, LLC1,836$318.6K0.00%+717+64.1%Added
Gryphon Financial Partners LLC1,824$316.6K0.03%+32+1.8%Added
Advisory Advocates, LLC1,821$316.0K0.31%+1,821New
Schnieders Capital Management, LLC.1,817$315.3K0.05%00.0%Unchanged
Snowden Capital Advisors LLC1,816$315.1K0.01%+200+12.4%Added
Profund Advisors LLC1,810$314.1K0.01%+366+25.3%Added
Commonwealth Financial Services, LLC1,808$313.8K0.05%−68−3.6%Reduced
Levin Capital Strategies, L.P.1,800$312.4K0.03%+1,800New
Destination Wealth Management1,798$312.0K0.01%+1,798New
SeaCrest Wealth Management, LLC1,744$310.6K0.03%−403−18.8%Reduced
Evercore Wealth Management, LLC1,786$309.9K0.00%00.0%Unchanged
Hager Investment Management Services, LLC1,782$309.3K0.17%−69−3.7%Reduced
Washington Capital Management Inc1,780$308.9K0.25%−25−1.4%Reduced
Motley Fool Asset Management LLC1,772$307.5K0.01%−49−2.7%Reduced
ISAM Funds (UK) Ltd1,768$306.8K0.11%−5,945−77.1%Reduced
J.W. Cole Advisors, Inc.1,863$305.6K0.01%−608−24.6%Reduced