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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 14,251,632 | $2.72B | 0.04% | +18,056+0.1% | Added |
| BlackRock, Inc. | 10,002,035 | $1.91B | 0.03% | −310,940−3.0% | Reduced |
| Price T Rowe Associates Inc | 7,005,990 | $1.34B | 0.14% | −188,707−2.6% | Reduced |
| State Street Corp | 5,223,930 | $995.6M | 0.03% | +38,931+0.8% | Added |
| JPMorgan Chase & Co | 4,317,391 | $822.8M | 0.05% | −14,269−0.3% | Reduced |
| Boston Partners | 4,036,881 | $768.0M | 0.79% | +997,033+32.8% | Added |
| Geode Capital Management, LLC | 3,036,485 | $576.4M | 0.04% | +54,070+1.8% | Added |
| Victory Capital Management Inc | 2,343,974 | $446.7M | 0.28% | −465,252−16.6% | Reduced |
| Morgan Stanley | 2,286,910 | $435.8M | 0.03% | +141,806+6.6% | Added |
| Dimensional Fund Advisors LP | 1,907,510 | $363.5M | 0.08% | +6,155+0.3% | Added |
| Wells Fargo & Company | 1,805,294 | $344.1M | 0.07% | −31,153−1.7% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 1,746,400 | $332.8M | 0.94% | −1,552−0.1% | Reduced |
| Invesco Ltd. | 1,688,769 | $321.8M | 0.05% | +30,418+1.8% | Added |
| Bank of America Corp | 1,635,075 | $311.6M | 0.02% | +35,473+2.2% | Added |
| Wellington Management Group LLP | 1,441,883 | $274.8M | 0.05% | −157,333−9.8% | Reduced |
| Davis Selected Advisers | 1,361,612 | $259.5M | 1.35% | +7,192+0.5% | Added |
| FMR LLC | 1,213,372 | $231.2M | 0.01% | −22,022−1.8% | Reduced |
| Northern Trust Corp | 1,153,325 | $219.8M | 0.03% | −25,072−2.1% | Reduced |
| Fiduciary Management Inc | 1,147,534 | $218.7M | 2.21% | −37,784−3.2% | Reduced |
| M&G Plc | 1,090,377 | $208.3M | 1.11% | +17,656+1.6% | Added |
| Goldman Sachs Group Inc | 1,063,716 | $202.7M | 0.03% | +417,982+64.7% | Added |
| UBS Asset Management Americas Inc | 901,611 | $171.8M | 0.04% | −314,890−25.9% | Reduced |
| American Century Companies Inc | 869,085 | $165.6M | 0.08% | +74,796+9.4% | Added |
| Ameriprise Financial Inc | 852,826 | $162.5M | 0.04% | +11,205+1.3% | Added |
| EdgePoint Investment Group Inc. | 849,752 | $161.9M | 1.21% | +848,481+66,757.0% | Added |
| Bank of New York Mellon Corp | 821,580 | $156.6M | 0.03% | −180.0% | Reduced |
| Legal & General Group Plc | 755,675 | $144.0M | 0.03% | +22,070+3.0% | Added |
| Charles Schwab Investment Management Inc | 747,051 | $142.4M | 0.02% | +492+0.1% | Added |
| DekaBank Deutsche Girozentrale | 748,680 | $140.9M | 0.24% | 00.0% | Unchanged |
| UBS Group AG | 664,290 | $126.6M | 0.02% | −314,191−32.1% | Reduced |
| Squarepoint Ops LLC | 637,292 | $121.5M | 0.26% | −205,999−24.4% | Reduced |
| Alliancebernstein L.P. | 634,773 | $121.0M | 0.04% | −607,082−48.9% | Reduced |
| Marshall Wace, LLP | 557,155 | $106.2M | 0.12% | +352,072+171.7% | Added |
| Principal Financial Group Inc | 534,470 | $101.9M | 0.05% | −27,101−4.8% | Reduced |
| Qube Research & Technologies Ltd | 529,800 | $101.0M | 0.14% | +112,267+26.9% | Added |
| Deutsche Bank AG | 524,146 | $99.9M | 0.03% | −13,612−2.5% | Reduced |
| Neuberger Berman Group LLC | 518,496 | $98.8M | 0.07% | −197,828−27.6% | Reduced |
| Crawford Investment Counsel Inc | 494,432 | $94.2M | 1.56% | +9,473+2.0% | Added |
| Royal Bank of Canada | 472,229 | $90.0M | 0.02% | −415,899−46.8% | Reduced |
| Raymond James Financial Inc | 458,037 | $87.3M | 0.03% | −52,590−10.3% | Reduced |
| Pacer Advisors, Inc. | 450,898 | $85.9M | 0.22% | +433,764+2,531.6% | Added |
| Great West Life Assurance Co | 442,661 | $83.6M | 0.12% | +56,523+14.6% | Added |
| Artemis Investment Management LLP | 431,641 | $82.3M | 1.02% | +208,193+93.2% | Added |
| Amundi | 427,554 | $76.3M | 0.02% | −16,008−3.6% | Reduced |
| Envestnet Asset Management Inc | 378,171 | $72.1M | 0.02% | −15,848−4.0% | Reduced |
| First Trust Advisors LP | 371,548 | $70.8M | 0.05% | +19,955+5.7% | Added |
| Kempen Capital Management N.V. | 341,653 | $65.1M | 0.58% | −66,547−16.3% | Reduced |
| California Public Employees Retirement System | 338,981 | $64.6M | 0.04% | −67,295−16.6% | Reduced |
| Nuveen, LLC | 338,247 | $64.5M | 0.02% | −980−0.3% | Reduced |
| Swiss National Bank | 321,800 | $61.3M | 0.04% | −16,100−4.8% | Reduced |
| Citigroup Inc | 319,354 | $60.9M | 0.04% | +25,666+8.7% | Added |
| Schroder Investment Management Group | 314,445 | $59.4M | 0.05% | −39,334−11.1% | Reduced |
| Advisors Capital Management, LLC | 297,644 | $56.7M | 0.70% | +14,258+5.0% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 286,062 | $54.2M | 0.14% | −7,877−2.7% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 278,652 | $53.1M | 0.03% | +3,549+1.3% | Added |
| 8 Knots Management, LLC | 275,344 | $52.5M | 5.94% | +98,806+56.0% | Added |
| Rhumbline Advisers | 274,446 | $52.3M | 0.04% | −5,282−1.9% | Reduced |
| Macquarie Group Ltd | 271,321 | $51.7M | 0.06% | −20,565−7.0% | Reduced |
| Barclays PLC | 251,132 | $47.9M | 0.02% | −105,269−29.5% | Reduced |
| RTW Investments, LP | 250,000 | $47.6M | 0.59% | −250,000−50.0% | Reduced |
| National Pension Service | 234,891 | $44.8M | 0.03% | +7,711+3.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 224,372 | $42.8M | 0.03% | +8,269+3.8% | Added |
| BNP Paribas Arbitrage, SA | 221,570 | $42.2M | 0.03% | −25,662−10.4% | Reduced |
| Balyasny Asset Management LLC | 221,503 | $42.2M | 0.09% | +221,503 | New |
| Bahl & Gaynor Inc | 216,704 | $41.3M | 0.21% | −64,335−22.9% | Reduced |
| HSBC Holdings PLC | 212,746 | $40.5M | 0.02% | −9,519−4.3% | Reduced |
| Pictet Asset Management Holding SA | 209,916 | $40.0M | 0.04% | −109,543−34.3% | Reduced |
| Bank of Montreal | 202,602 | $38.6M | 0.02% | +640+0.3% | Added |
| Quantinno Capital Management LP | 193,514 | $36.9M | 0.10% | +141,838+274.5% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 187,083 | $35.7M | 0.06% | −11,374−5.7% | Reduced |
| APG Asset Management N.V. | 212,972 | $34.5M | 0.10% | −11,896−5.3% | Reduced |
| California State Teachers Retirement System | 172,712 | $32.9M | 0.03% | −16,239−8.6% | Reduced |
| Copeland Capital Management, LLC | 168,375 | $32.1M | 0.67% | −7,889−4.5% | Reduced |
| Cookson Peirce & Co Inc | 163,778 | $31.2M | 1.28% | −6,032−3.6% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 161,916 | $30.9M | 0.12% | −27,243−14.4% | Reduced |
| Allianz Asset Management GmbH | 157,850 | $30.1M | 0.04% | −146,511−48.1% | Reduced |
| Mackenzie Financial Corp | 157,355 | $30.0M | 0.04% | +888+0.6% | Added |
| Braun Stacey Associates Inc | 154,369 | $29.4M | 0.96% | +18,417+13.5% | Added |
| Voya Investment Management LLC | 153,409 | $29.2M | 0.03% | −250,204−62.0% | Reduced |
| Willis Investment Counsel | 151,800 | $28.9M | 1.58% | +14,900+10.9% | Added |
| Achmea Investment Management B.V. | 144,209 | $27.5M | 0.34% | +7,180+5.2% | Added |
| Storebrand Asset Management AS | 142,908 | $27.2M | 0.07% | +55,190+62.9% | Added |
| Colony Group, LLC | 141,357 | $26.9M | 0.04% | +87,300+161.5% | Added |
| Citadel Advisors LLC | 130,614 | $24.9M | 0.02% | +102,519+364.9% | Added |
| Manufacturers Life Insurance Company, The | 127,457 | $24.3M | 0.02% | −92,628−42.1% | Reduced |
| Natixis Advisors, L.P. | 127,364 | $24.3M | 0.04% | −1,718−1.3% | Reduced |
| Virginia Retirement Systems Et Al | 123,876 | $23.6M | 0.15% | 00.0% | Unchanged |
| TD Asset Management Inc | 120,881 | $23.0M | 0.02% | −133−0.1% | Reduced |
| Kames Capital plc | 118,391 | $22.6M | 0.27% | 00.0% | Unchanged |
| Woodline Partners LP | 117,436 | $22.4M | 0.11% | −31,037−20.9% | Reduced |
| Treasurer of the State of North Carolina | 113,976 | $21.7M | 0.07% | −2,001−1.7% | Reduced |
| Stifel Financial Corp | 112,942 | $21.5M | 0.02% | −2,722−2.4% | Reduced |
| Robeco Institutional Asset Management B.V. | 111,454 | $21.2M | 0.03% | −4,406−3.8% | Reduced |
| Tocqueville Asset Management L.P. | 109,559 | $20.9M | 0.30% | −1,809−1.6% | Reduced |
| Silvercrest Asset Management Group LLC | 109,341 | $20.8M | 0.14% | +1,315+1.2% | Added |
| Rockefeller Capital Management L.P. | 105,216 | $20.1M | 0.04% | −2,070−1.9% | Reduced |
| Moran Wealth Management, LLC | 105,151 | $20.0M | 0.60% | +1,840+1.8% | Added |
| Standard Life Aberdeen plc | 105,661 | $20.0M | 0.03% | +1,354+1.3% | Added |
| Wiley Bros.-Aintree Capital, LLC | 101,014 | $19.3M | 0.12% | +11,343+12.6% | Added |
| Russell Investments Group, Ltd. | 99,877 | $19.0M | 0.02% | +11,029+12.4% | Added |