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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, Q1 2025

Institutional positions in Quest Diagnostics Inc as of Mar 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
969
+85 vs. Q4 2024
Shares held
103.4M
+4.48M (+4.5%) vs. Q4 2024
Total value
$17.5B
+$2.57B (+17.2%) vs. Q4 2024
New holders
145
316 more added
Sold out
60
337 more reduced

12 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 969 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 heldQ1 2025: $17.5B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q4 2024.

Institutions holding DGX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc13,936,716$2.36B0.04%−23,742−0.2%Reduced
BlackRock, Inc.10,097,310$1.71B0.04%−27,367−0.3%Reduced
Price T Rowe Associates Inc5,984,238$1.01B0.12%+493,960+9.0%Added
State Street Corp5,176,859$875.9M0.04%−44,617−0.9%Reduced
JPMorgan Chase & Co3,769,938$637.9M0.05%+1,336,025+54.9%Added
Victory Capital Management Inc3,133,527$530.2M0.54%−226,459−6.7%Reduced
Geode Capital Management, LLC2,774,154$467.9M0.04%+84,133+3.1%Added
Davis Selected Advisers2,388,302$404.1M2.33%−8,958−0.4%Reduced
Boston Partners2,295,746$388.7M0.47%+2,295,746New
Grantham, Mayo, Van Otterloo & Co. LLC2,006,545$339.5M1.07%−262,445−11.6%Reduced
Dimensional Fund Advisors LP1,912,560$323.6M0.08%−128,905−6.3%Reduced
Morgan Stanley1,785,118$302.0M0.02%+143,864+8.8%Added
Wells Fargo & Company1,772,330$299.9M0.07%+352,924+24.9%Added
Wellington Management Group LLP1,758,265$297.5M0.06%−25,903−1.5%Reduced
Norges Bank1,289,412$218.2M0.03%+17,884+1.4%Added
Invesco Ltd.1,276,732$216.0M0.04%−104,800−7.6%Reduced
Nordea Investment Management AB1,256,631$212.8M0.22%+732,631+139.8%Added
Fiduciary Management Inc1,251,402$211.7M2.05%−51,298−3.9%Reduced
American Century Companies Inc1,211,911$205.1M0.13%−313,011−20.5%Reduced
Alliancebernstein L.P.1,177,572$199.2M0.07%+84,530+7.7%Added
Bank of America Corp1,173,203$198.5M0.02%+456,586+63.7%Added
Northern Trust Corp1,171,804$198.3M0.03%−24,625−2.1%Reduced
UBS Asset Management Americas Inc1,013,030$171.4M0.04%+10,651+1.1%Added
FMR LLC981,350$166.0M0.01%−155,764−13.7%Reduced
Ameriprise Financial Inc961,154$162.6M0.04%+6,079+0.6%Added
UBS Group AG941,712$159.3M0.04%−23,277−2.4%Reduced
Bank of New York Mellon Corp869,349$147.1M0.03%−12,415−1.4%Reduced
Legal & General Group Plc758,796$128.4M0.03%+14,022+1.9%Added
DekaBank Deutsche Girozentrale765,938$127.1M0.25%+17,258+2.3%Added
Goldman Sachs Group Inc746,037$126.2M0.02%−167,326−18.3%Reduced
Charles Schwab Investment Management Inc740,838$125.3M0.02%+4,405+0.6%Added
Neuberger Berman Group LLC636,523$107.7M0.09%+570,785+868.3%Added
Deutsche Bank AG592,527$100.3M0.04%−73,516−11.0%Reduced
Amundi580,353$99.0M0.04%−215,132−27.0%Reduced
Principal Financial Group Inc568,356$96.2M0.05%+24,884+4.6%Added
Raymond James Financial Inc549,242$92.9M0.03%+102,159+22.9%Added
Crawford Investment Counsel Inc499,180$84.5M1.50%−14,779−2.9%Reduced
Royal Bank of Canada495,654$83.9M0.02%+172,518+53.4%Added
California Public Employees Retirement System491,284$83.1M0.06%−11,925−2.4%Reduced
Marshall Wace, LLP483,287$81.8M0.11%−312,794−39.3%Reduced
First Trust Advisors LP466,461$78.9M0.07%−26,459−5.4%Reduced
Qube Research & Technologies Ltd437,346$74.0M0.11%−11,206−2.5%Reduced
Kempen Capital Management N.V.431,300$73.0M0.76%−83,258−16.2%Reduced
Allianz Asset Management GmbH389,055$65.8M0.10%−131,556−25.3%Reduced
Barclays PLC387,499$65.6M0.03%+123,145+46.6%Added
Woodline Partners LP380,700$64.4M0.42%−123,896−24.6%Reduced
BNP Paribas Arbitrage, SA367,330$62.2M0.05%−181,874−33.1%Reduced
Great West Life Assurance Co355,717$60.3M0.11%+8,520+2.5%Added
Envestnet Asset Management Inc346,637$58.7M0.02%+63,314+22.3%Added
Nuveen, LLC328,530$55.6M0.02%+328,530New
Bahl & Gaynor Inc314,857$53.3M0.27%+43,299+15.9%Added
Swiss National Bank314,800$53.3M0.04%+400+0.1%Added
Macquarie Group Ltd307,869$52.1M0.06%−50,241−14.0%Reduced
M&G Plc300,897$50.9M0.24%−20,019−6.2%Reduced
Rhumbline Advisers287,218$48.6M0.05%+7,578+2.7%Added
Candriam Luxembourg S.C.A.278,656$47.1M0.30%+110,946+66.2%Added
Sumitomo Mitsui Trust Holdings, Inc.278,180$47.1M0.03%+1,207+0.4%Added
Pictet Asset Management Holding SA261,583$44.3M0.05%−39,646−13.2%Reduced
Advisors Capital Management, LLC251,255$42.5M0.66%+6,771+2.8%Added
HSBC Holdings PLC229,709$38.8M0.03%−12,798−5.3%Reduced
Schroder Investment Management Group231,133$38.7M0.04%+153,817+198.9%Added
National Pension Service227,378$38.5M0.04%+8,809+4.0%Added
Manufacturers Life Insurance Company, The225,204$38.1M0.04%−777−0.3%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH219,726$37.2M0.07%−3,644−1.6%Reduced
Bank of Montreal212,258$35.9M0.02%−13,558−6.0%Reduced
Balyasny Asset Management LLC207,256$35.1M0.09%+94,693+84.1%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.197,835$33.5M0.03%+20,446+11.5%Added
Copeland Capital Management, LLC196,262$33.2M0.67%−3,044−1.5%Reduced
Wedge Capital Management L L P192,370$32.5M0.63%+11,006+6.1%Added
Coho Partners, Ltd.182,263$30.8M1.86%+182,263New
Cookson Peirce & Co Inc172,652$29.2M1.47%+172,652New
California State Teachers Retirement System170,781$28.9M0.04%−844−0.5%Reduced
APG Asset Management N.V.179,834$28.2M0.09%−16,105−8.2%Reduced
Pathstone Holdings, LLC164,321$27.8M0.12%+119,997+270.7%Added
Massachusetts Financial Services Co158,749$26.9M0.01%−385−0.2%Reduced
Squarepoint Ops LLC154,994$26.2M0.06%+151,854+4,836.1%Added
SEI Investments Co146,636$24.8M0.03%−11,690−7.4%Reduced
Kames Capital plc142,613$24.1M0.35%−2,160−1.5%Reduced
Citigroup Inc140,488$23.8M0.02%+45,043+47.2%Added
Achmea Investment Management B.V.136,466$23.1M0.34%−1,680−1.2%Reduced
Virginia Retirement Systems Et Al136,048$23.0M0.17%+136,048New
Citadel Advisors LLC136,043$23.0M0.02%+136,043New
Skandinaviska Enskilda Banken AB (publ)133,077$22.5M0.11%+107,033+411.0%Added
Stifel Financial Corp126,000$21.3M0.02%−85−0.1%Reduced
8 Knots Management, LLC123,555$20.9M2.64%+123,555New
Robeco Institutional Asset Management B.V.121,732$20.6M0.04%+4,452+3.8%Added
Causeway Capital Management LLC120,400$20.4M0.43%−184,081−60.5%Reduced
Willis Investment Counsel120,100$20.3M1.37%00.0%Unchanged
Tocqueville Asset Management L.P.113,853$19.3M0.32%−8,282−6.8%Reduced
Natixis Advisors, L.P.112,232$19.0M0.04%+8,257+7.9%Added
Chevy Chase Trust Holdings, Inc.112,130$19.0M0.06%+10,342+10.2%Added
Silvercrest Asset Management Group LLC108,070$18.3M0.13%+27,349+33.9%Added
State Board of Administration of Florida Retirement System103,895$17.6M0.03%00.0%Unchanged
TD Asset Management Inc102,530$17.3M0.02%+6,825+7.1%Added
Foundry Partners, LLC102,473$17.3M0.92%−5,845−5.4%Reduced
Heartland Advisors Inc102,472$17.3M1.00%−52,729−34.0%Reduced
Financial Counselors Inc99,631$16.9M0.26%−1,607−1.6%Reduced
RTW Investments, LP98,997$16.8M0.26%+98,997New
Distillate Capital Partners LLC98,351$16.6M0.85%−6,752−6.4%Reduced
Schwartz Investment Counsel Inc95,900$16.2M0.56%00.0%Unchanged