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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,112 | $22.2B |
| Q1 2026 | 1,069 | $20.1B |
| Q4 2025 | 1,050 | $18.4B |
| Q3 2025 | 1,006 | $20.0B |
| Q2 2025 | 991 | $19.3B |
| Q1 2025 | 969 | $17.5B |
| Q4 2024 | 896 | $15.0B |
| Q3 2024 | 849 | $15.2B |
| Q2 2024 | 839 | $13.3B |
| Q1 2024 | 818 | $13.2B |
| Q4 2023 | 829 | $13.5B |
| Q3 2023 | 797 | $12.0B |
| Q2 2023 | 820 | $14.0B |
| Q1 2023 | 837 | $14.2B |
| Q4 2022 | 881 | $15.5B |
| Q3 2022 | 809 | $12.6B |
| Q2 2022 | 853 | $13.8B |
| Q1 2022 | 852 | $14.4B |
| Q4 2021 | 906 | $18.0B |
| Q3 2021 | 840 | $15.9B |
| Q2 2021 | 816 | $15.0B |
| Q1 2021 | 818 | $14.8B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Boston Common Asset Management, LLC | 94,045 | $17.9M | 0.50% | +19,795+26.7% | Added |
| Payden & Rygel | 94,200 | $18.0M | 1.51% | +600+0.6% | Added |
| Midwest Trust Co | 94,573 | $18.0M | 0.23% | −5,691−5.7% | Reduced |
| Schwartz Investment Counsel Inc | 95,900 | $18.3M | 0.61% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 96,864 | $18.5M | 0.03% | −7,761−7.4% | Reduced |
| Blair William & Co | 97,918 | $18.7M | 0.05% | +6,709+7.4% | Added |
| Russell Investments Group, Ltd. | 99,877 | $19.0M | 0.02% | +11,029+12.4% | Added |
| Wiley Bros.-Aintree Capital, LLC | 101,014 | $19.3M | 0.12% | +11,343+12.6% | Added |
| Standard Life Aberdeen plc | 105,661 | $20.0M | 0.03% | +1,354+1.3% | Added |
| Moran Wealth Management, LLC | 105,151 | $20.0M | 0.60% | +1,840+1.8% | Added |
| Rockefeller Capital Management L.P. | 105,216 | $20.1M | 0.04% | −2,070−1.9% | Reduced |
| Silvercrest Asset Management Group LLC | 109,341 | $20.8M | 0.14% | +1,315+1.2% | Added |
| Tocqueville Asset Management L.P. | 109,559 | $20.9M | 0.30% | −1,809−1.6% | Reduced |
| Robeco Institutional Asset Management B.V. | 111,454 | $21.2M | 0.03% | −4,406−3.8% | Reduced |
| Stifel Financial Corp | 112,942 | $21.5M | 0.02% | −2,722−2.4% | Reduced |
| Treasurer of the State of North Carolina | 113,976 | $21.7M | 0.07% | −2,001−1.7% | Reduced |
| Woodline Partners LP | 117,436 | $22.4M | 0.11% | −31,037−20.9% | Reduced |
| Kames Capital plc | 118,391 | $22.6M | 0.27% | 00.0% | Unchanged |
| TD Asset Management Inc | 120,881 | $23.0M | 0.02% | −133−0.1% | Reduced |
| Virginia Retirement Systems Et Al | 123,876 | $23.6M | 0.15% | 00.0% | Unchanged |
| Natixis Advisors, L.P. | 127,364 | $24.3M | 0.04% | −1,718−1.3% | Reduced |
| Manufacturers Life Insurance Company, The | 127,457 | $24.3M | 0.02% | −92,628−42.1% | Reduced |
| Citadel Advisors LLC | 130,614 | $24.9M | 0.02% | +102,519+364.9% | Added |
| Colony Group, LLC | 141,357 | $26.9M | 0.04% | +87,300+161.5% | Added |
| Storebrand Asset Management AS | 142,908 | $27.2M | 0.07% | +55,190+62.9% | Added |
| Achmea Investment Management B.V. | 144,209 | $27.5M | 0.34% | +7,180+5.2% | Added |
| Willis Investment Counsel | 151,800 | $28.9M | 1.58% | +14,900+10.9% | Added |
| Voya Investment Management LLC | 153,409 | $29.2M | 0.03% | −250,204−62.0% | Reduced |
| Braun Stacey Associates Inc | 154,369 | $29.4M | 0.96% | +18,417+13.5% | Added |
| Mackenzie Financial Corp | 157,355 | $30.0M | 0.04% | +888+0.6% | Added |
| Allianz Asset Management GmbH | 157,850 | $30.1M | 0.04% | −146,511−48.1% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 161,916 | $30.9M | 0.12% | −27,243−14.4% | Reduced |
| Cookson Peirce & Co Inc | 163,778 | $31.2M | 1.28% | −6,032−3.6% | Reduced |
| Copeland Capital Management, LLC | 168,375 | $32.1M | 0.67% | −7,889−4.5% | Reduced |
| California State Teachers Retirement System | 172,712 | $32.9M | 0.03% | −16,239−8.6% | Reduced |
| APG Asset Management N.V. | 212,972 | $34.5M | 0.10% | −11,896−5.3% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 187,083 | $35.7M | 0.06% | −11,374−5.7% | Reduced |
| Quantinno Capital Management LP | 193,514 | $36.9M | 0.10% | +141,838+274.5% | Added |
| Bank of Montreal | 202,602 | $38.6M | 0.02% | +640+0.3% | Added |
| Pictet Asset Management Holding SA | 209,916 | $40.0M | 0.04% | −109,543−34.3% | Reduced |
| HSBC Holdings PLC | 212,746 | $40.5M | 0.02% | −9,519−4.3% | Reduced |
| Bahl & Gaynor Inc | 216,704 | $41.3M | 0.21% | −64,335−22.9% | Reduced |
| Balyasny Asset Management LLC | 221,503 | $42.2M | 0.09% | +221,503 | New |
| BNP Paribas Arbitrage, SA | 221,570 | $42.2M | 0.03% | −25,662−10.4% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 224,372 | $42.8M | 0.03% | +8,269+3.8% | Added |
| National Pension Service | 234,891 | $44.8M | 0.03% | +7,711+3.4% | Added |
| RTW Investments, LP | 250,000 | $47.6M | 0.59% | −250,000−50.0% | Reduced |
| Barclays PLC | 251,132 | $47.9M | 0.02% | −105,269−29.5% | Reduced |
| Macquarie Group Ltd | 271,321 | $51.7M | 0.06% | −20,565−7.0% | Reduced |
| Rhumbline Advisers | 274,446 | $52.3M | 0.04% | −5,282−1.9% | Reduced |
| 8 Knots Management, LLC | 275,344 | $52.5M | 5.94% | +98,806+56.0% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 278,652 | $53.1M | 0.03% | +3,549+1.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 286,062 | $54.2M | 0.14% | −7,877−2.7% | Reduced |
| Advisors Capital Management, LLC | 297,644 | $56.7M | 0.70% | +14,258+5.0% | Added |
| Schroder Investment Management Group | 314,445 | $59.4M | 0.05% | −39,334−11.1% | Reduced |
| Citigroup Inc | 319,354 | $60.9M | 0.04% | +25,666+8.7% | Added |
| Swiss National Bank | 321,800 | $61.3M | 0.04% | −16,100−4.8% | Reduced |
| Nuveen, LLC | 338,247 | $64.5M | 0.02% | −980−0.3% | Reduced |
| California Public Employees Retirement System | 338,981 | $64.6M | 0.04% | −67,295−16.6% | Reduced |
| Kempen Capital Management N.V. | 341,653 | $65.1M | 0.58% | −66,547−16.3% | Reduced |
| First Trust Advisors LP | 371,548 | $70.8M | 0.05% | +19,955+5.7% | Added |
| Envestnet Asset Management Inc | 378,171 | $72.1M | 0.02% | −15,848−4.0% | Reduced |
| Amundi | 427,554 | $76.3M | 0.02% | −16,008−3.6% | Reduced |
| Artemis Investment Management LLP | 431,641 | $82.3M | 1.02% | +208,193+93.2% | Added |
| Great West Life Assurance Co | 442,661 | $83.6M | 0.12% | +56,523+14.6% | Added |
| Pacer Advisors, Inc. | 450,898 | $85.9M | 0.22% | +433,764+2,531.6% | Added |
| Raymond James Financial Inc | 458,037 | $87.3M | 0.03% | −52,590−10.3% | Reduced |
| Royal Bank of Canada | 472,229 | $90.0M | 0.02% | −415,899−46.8% | Reduced |
| Crawford Investment Counsel Inc | 494,432 | $94.2M | 1.56% | +9,473+2.0% | Added |
| Neuberger Berman Group LLC | 518,496 | $98.8M | 0.07% | −197,828−27.6% | Reduced |
| Deutsche Bank AG | 524,146 | $99.9M | 0.03% | −13,612−2.5% | Reduced |
| Qube Research & Technologies Ltd | 529,800 | $101.0M | 0.14% | +112,267+26.9% | Added |
| Principal Financial Group Inc | 534,470 | $101.9M | 0.05% | −27,101−4.8% | Reduced |
| Marshall Wace, LLP | 557,155 | $106.2M | 0.12% | +352,072+171.7% | Added |
| Alliancebernstein L.P. | 634,773 | $121.0M | 0.04% | −607,082−48.9% | Reduced |
| Squarepoint Ops LLC | 637,292 | $121.5M | 0.26% | −205,999−24.4% | Reduced |
| UBS Group AG | 664,290 | $126.6M | 0.02% | −314,191−32.1% | Reduced |
| DekaBank Deutsche Girozentrale | 748,680 | $140.9M | 0.24% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 747,051 | $142.4M | 0.02% | +492+0.1% | Added |
| Legal & General Group Plc | 755,675 | $144.0M | 0.03% | +22,070+3.0% | Added |
| Bank of New York Mellon Corp | 821,580 | $156.6M | 0.03% | −180.0% | Reduced |
| EdgePoint Investment Group Inc. | 849,752 | $161.9M | 1.21% | +848,481+66,757.0% | Added |
| Ameriprise Financial Inc | 852,826 | $162.5M | 0.04% | +11,205+1.3% | Added |
| American Century Companies Inc | 869,085 | $165.6M | 0.08% | +74,796+9.4% | Added |
| UBS Asset Management Americas Inc | 901,611 | $171.8M | 0.04% | −314,890−25.9% | Reduced |
| Goldman Sachs Group Inc | 1,063,716 | $202.7M | 0.03% | +417,982+64.7% | Added |
| M&G Plc | 1,090,377 | $208.3M | 1.11% | +17,656+1.6% | Added |
| Fiduciary Management Inc | 1,147,534 | $218.7M | 2.21% | −37,784−3.2% | Reduced |
| Northern Trust Corp | 1,153,325 | $219.8M | 0.03% | −25,072−2.1% | Reduced |
| FMR LLC | 1,213,372 | $231.2M | 0.01% | −22,022−1.8% | Reduced |
| Davis Selected Advisers | 1,361,612 | $259.5M | 1.35% | +7,192+0.5% | Added |
| Wellington Management Group LLP | 1,441,883 | $274.8M | 0.05% | −157,333−9.8% | Reduced |
| Bank of America Corp | 1,635,075 | $311.6M | 0.02% | +35,473+2.2% | Added |
| Invesco Ltd. | 1,688,769 | $321.8M | 0.05% | +30,418+1.8% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 1,746,400 | $332.8M | 0.94% | −1,552−0.1% | Reduced |
| Wells Fargo & Company | 1,805,294 | $344.1M | 0.07% | −31,153−1.7% | Reduced |
| Dimensional Fund Advisors LP | 1,907,510 | $363.5M | 0.08% | +6,155+0.3% | Added |
| Morgan Stanley | 2,286,910 | $435.8M | 0.03% | +141,806+6.6% | Added |
| Victory Capital Management Inc | 2,343,974 | $446.7M | 0.28% | −465,252−16.6% | Reduced |
| Geode Capital Management, LLC | 3,036,485 | $576.4M | 0.04% | +54,070+1.8% | Added |