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.
| 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, Q4 2025
Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| National Bank of Canada | 99,792 | $17.3M | 0.02% | +43,270+76.6% | Added |
| Treasurer of the State of North Carolina | 98,800 | $17.1M | 0.05% | −15,176−13.3% | Reduced |
| Mercer Global Advisors Inc | 97,627 | $16.9M | 0.03% | +4,805+5.2% | Added |
| Natixis Advisors, L.P. | 97,002 | $16.8M | 0.02% | −30,362−23.8% | Reduced |
| State Board of Administration of Florida Retirement System | 96,864 | $16.8M | 0.03% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 96,049 | $16.7M | 0.02% | −3,828−3.8% | Reduced |
| Schwartz Investment Counsel Inc | 95,900 | $16.6M | 0.58% | 00.0% | Unchanged |
| Midwest Trust Co | 95,500 | $16.6M | 0.21% | +927+1.0% | Added |
| Aviva PLC | 94,857 | $16.5M | 0.03% | +1,852+2.0% | Added |
| Swedbank AB | 93,468 | $16.2M | 0.02% | +8,605+10.1% | Added |
| Payden & Rygel | 93,400 | $16.2M | 1.13% | −800−0.8% | Reduced |
| Marshall Wace, LLP | 93,217 | $16.2M | 0.02% | −463,938−83.3% | Reduced |
| CIBC Asset Management Inc | 92,129 | $16.0M | 0.04% | +10,478+12.8% | Added |
| Manufacturers Life Insurance Company, The | 90,762 | $15.8M | 0.01% | −36,695−28.8% | Reduced |
| Canada Pension Plan Investment Board | 90,700 | $15.7M | 0.01% | +90,700 | New |
| Kames Capital plc | 90,605 | $15.7M | 0.19% | −27,786−23.5% | Reduced |
| Distillate Capital Partners LLC | 88,756 | $15.4M | 0.79% | +88,756 | New |
| CSM Advisors, LLC | 88,713 | $15.4M | 0.42% | +7,044+8.6% | Added |
| ABN AMRO Bank N.V. | 88,982 | $15.4M | 0.14% | −503−0.6% | Reduced |
| Glenmede Trust Co NA | 88,576 | $15.4M | 0.07% | +88,576 | New |
| New York State Teachers Retirement System | 86,493 | $15.0M | 0.03% | −240.0% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 85,547 | $14.8M | 0.04% | −1,545−1.8% | Reduced |
| LPL Financial LLC | 83,386 | $14.5M | 0.00% | −2,024−2.4% | Reduced |
| JGP Wealth Management, LLC | 81,557 | $14.2M | 1.48% | −662−0.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 80,779 | $14.0M | 0.03% | +44,780+124.4% | Added |
| Man Group plc | 80,190 | $13.9M | 0.03% | +77,686+3,102.5% | Added |
| Gotham Asset Management, LLC | 79,395 | $13.8M | 0.05% | +24,701+45.2% | Added |
| Paradiem, LLC | 78,670 | $13.7M | 3.27% | +78,670 | New |
| Brandywine Global Investment Management, LLC | 78,605 | $13.6M | 0.09% | −623−0.8% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 77,584 | $13.5M | 0.03% | −154−0.2% | Reduced |
| Boston Common Asset Management, LLC | 77,289 | $13.4M | 0.81% | −16,756−17.8% | Reduced |
| State of Wisconsin Investment Board | 76,269 | $13.2M | 0.03% | −8,139−9.6% | Reduced |
| Lazard Asset Management LLC | 75,834 | $13.2M | 0.02% | +72,228+2,003.0% | Added |
| Danske Bank A/S | 75,161 | $13.0M | 0.03% | +11,200+17.5% | Added |
| Integral Health Asset Management, LLC | 75,000 | $13.0M | 0.66% | −10,000−11.8% | Reduced |
| Abn Amro Investment Solutions | 72,262 | $12.5M | 0.19% | −8,519−10.5% | Reduced |
| SEI Investments Co | 71,563 | $12.4M | 0.01% | −6,734−8.6% | Reduced |
| Alpha Cubed Investments, LLC | 69,931 | $12.1M | 0.42% | −1,259−1.8% | Reduced |
| Hancock Whitney Corp | 68,352 | $11.9M | 0.21% | +679+1.0% | Added |
| AQR Capital Management LLC | 67,217 | $11.7M | 0.01% | +17,149+34.3% | Added |
| Bank of Nova Scotia | 66,462 | $11.5M | 0.02% | +50,471+315.6% | Added |
| Allianz Asset Management GmbH | 64,706 | $11.2M | 0.01% | −93,144−59.0% | Reduced |
| Public Employees Retirement System of Ohio | 64,442 | $11.2M | 0.03% | −4,015−5.9% | Reduced |
| Nordea Investment Management AB | 63,531 | $11.1M | 0.01% | +218+0.3% | Added |
| Becker Capital Management Inc | 62,166 | $10.8M | 0.31% | −1,951−3.0% | Reduced |
| Exencial Wealth Advisors, LLC | 62,120 | $10.8M | 0.34% | −1,292−2.0% | Reduced |
| Danica Pension, Livsforsikringsaktieselskab | 61,346 | $10.6M | 0.15% | −9,500−13.4% | Reduced |
| Vontobel Holding Ltd. | 60,764 | $10.5M | 0.03% | −3,796−5.9% | Reduced |
| First National Bank of Omaha | 60,199 | $10.5M | 0.31% | +13,867+29.9% | Added |
| KBC Group NV | 56,314 | $9.77M | 0.02% | +3,560+6.7% | Added |
| Prudential Financial Inc | 56,153 | $9.74M | 0.01% | −6,813−10.8% | Reduced |
| Nuance Investments, LLC | 55,556 | $9.64M | 1.06% | +25,349+83.9% | Added |
| AIA Group Ltd | 55,151 | $9.57M | 0.14% | +51,911+1,602.2% | Added |
| TD Asset Management Inc | 54,988 | $9.54M | 0.01% | −65,893−54.5% | Reduced |
| New York State Common Retirement Fund | 52,863 | $9.17M | 0.01% | 00.0% | Unchanged |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 50,320 | $8.73M | 0.07% | +7,700+18.1% | Added |
| Casdin Capital, LLC | 50,000 | $8.68M | 0.54% | +50,000 | New |
| Toronto Dominion Bank | 49,699 | $8.62M | 0.02% | +8,578+20.9% | Added |
| Prudential PLC | 49,277 | $8.55M | 0.07% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 48,438 | $8.41M | 0.02% | −210−0.4% | Reduced |
| Millennium Management LLC | 48,416 | $8.40M | 0.01% | +38,058+367.4% | Added |
| Heartland Advisors Inc | 48,263 | $8.38M | 0.45% | −1,744−3.5% | Reduced |
| Two Sigma Investments, LP | 47,984 | $8.33M | 0.01% | +47,984 | New |
| Hilton Capital Management, LLC | 47,776 | $8.29M | 0.62% | +438+0.9% | Added |
| Franklin Resources Inc | 46,268 | $8.03M | 0.00% | −3,022−6.1% | Reduced |
| Knights of Columbus Asset Advisors LLC | 46,079 | $8.00M | 0.45% | +1,110+2.5% | Added |
| Commonwealth Equity Services, LLC | 45,921 | $7.97M | 0.01% | −10,047−18.0% | Reduced |
| Asset Management One Co.,Ltd. | 45,329 | $7.95M | 0.02% | −465−1.0% | Reduced |
| Mariner, LLC | 45,642 | $7.92M | 0.01% | +7,342+19.2% | Added |
| Korea Investment CORP | 44,829 | $7.78M | 0.02% | +15,000+50.3% | Added |
| Royal London Asset Management Ltd | 44,377 | $7.70M | 0.02% | +342+0.8% | Added |
| Neuberger Berman Group LLC | 43,821 | $7.60M | 0.01% | −474,675−91.5% | Reduced |
| Resona Asset Management Co.,Ltd. | 43,497 | $7.56M | 0.04% | −646−1.5% | Reduced |
| National Pension Service | 43,418 | $7.53M | 0.01% | −191,473−81.5% | Reduced |
| Swiss Life Asset Management Ltd | 43,338 | $7.52M | 0.04% | +24,722+132.8% | Added |
| Mn Services Vermogensbeheer B.V. | 42,366 | $7.35M | 0.05% | +521+1.2% | Added |
| Cerity Partners LLC | 42,100 | $7.31M | 0.01% | +1,588+3.9% | Added |
| HighTower Advisors, LLC | 41,347 | $7.17M | 0.01% | +597+1.5% | Added |
| TD Waterhouse Canada Inc. | 41,195 | $7.14M | 0.04% | +2,855+7.4% | Added |
| Jefferies Financial Group Inc. | 41,119 | $7.14M | 0.06% | +19,683+91.8% | Added |
| Artia Global Partners LP | 40,817 | $7.08M | 1.14% | −40,900−50.1% | Reduced |
| Olstein Capital Management, L.P. | 40,000 | $6.94M | 1.42% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 39,403 | $6.84M | 0.03% | +300+0.8% | Added |
| GHP Investment Advisors, Inc. | 38,486 | $6.68M | 0.27% | −769−2.0% | Reduced |
| Oppenheimer & Co Inc | 37,834 | $6.57M | 0.09% | +65+0.2% | Added |
| The PNC Financial Services Group, Inc. | 36,741 | $6.38M | 0.00% | −106−0.3% | Reduced |
| CI Private Wealth, LLC | 36,613 | $6.35M | 0.01% | +10,466+40.0% | Added |
| Capital Wealth Planning, LLC | 36,610 | $6.35M | 0.04% | +117+0.3% | Added |
| Susquehanna Portfolio Strategies, LLC | 36,421 | $6.32M | 0.10% | +36,421 | New |
| State of New Jersey Common Pension Fund D | 36,370 | $6.31M | 0.02% | −902−2.4% | Reduced |
| Handelsbanken Fonder AB | 35,452 | $6.15M | 0.02% | −1,957−5.2% | Reduced |
| Atwater Malick LLC | 35,333 | $6.13M | 1.69% | −7,609−17.7% | Reduced |
| Level Four Advisory Services, LLC | 34,862 | $6.05M | 0.20% | +127+0.4% | Added |
| Truist Financial Corp | 34,802 | $6.04M | 0.01% | −8,740−20.1% | Reduced |
| Te Ahumairangi Investment Management Ltd | 34,536 | $5.99M | 1.07% | −3,922−10.2% | Reduced |
| Pathstone Holdings, LLC | 34,131 | $5.92M | 0.02% | −41,037−54.6% | Reduced |
| Thompson Siegel & Walmsley LLC | 32,655 | $5.67M | 0.10% | 00.0% | Unchanged |
| Ostrum Asset Management | 32,171 | $5.58M | 0.27% | +1,536+5.0% | Added |
| Patton Fund Management, Inc. | 32,039 | $5.56M | 0.75% | +30,772+2,428.7% | Added |
| American Assets Investment Management, LLC | 32,000 | $5.55M | 0.38% | 00.0% | Unchanged |