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, Q2 2026
Institutional positions in Quest Diagnostics Inc as of Jun 30, 2026. 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
Q3 2026 data is still coming in: 5 institutions have reported holding DGX so far. See Q3 2026
- Institutional holders
- 1,112
- +52 vs. Q1 2026
- Shares held
- 104.9M
- +2.36M (+2.3%) vs. Q1 2026
- Total value
- $22.2B
- +$2.12B (+10.6%) vs. Q1 2026
- New holders
- 122
- 429 more added
- Sold out
- 70
- 354 more reduced
9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CIBC Bancorp USA Inc. | 31,355 | $6.64M | 0.01% | −8,406−21.1% | Reduced |
| Castleark Management LLC | 31,480 | $6.67M | 0.18% | +31,480 | New |
| Arizona State Retirement System | 31,500 | $6.68M | 0.03% | +1,264+4.2% | Added |
| Czech National Bank | 31,508 | $6.68M | 0.04% | +1,550+5.2% | Added |
| Fuller & Thaler Asset Management, Inc. | 31,605 | $6.70M | 0.02% | +6,683+26.8% | Added |
| Illinois Municipal Retirement Fund | 31,711 | $6.72M | 0.08% | +215+0.7% | Added |
| Mn Services Vermogensbeheer B.V. | 31,966 | $6.78M | 0.05% | −10,400−24.5% | Reduced |
| Argent Trust Co | 31,999 | $6.78M | 0.20% | +1,510+5.0% | Added |
| American Assets Investment Management, LLC | 32,000 | $6.78M | 0.41% | 00.0% | Unchanged |
| Toth Financial Advisory Corp | 32,530 | $6.89M | 0.67% | +2,769+9.3% | Added |
| Fifth Third Bancorp | 32,540 | $6.90M | 0.01% | −2,556−7.3% | Reduced |
| Teacher Retirement System of Texas | 32,701 | $6.93M | 0.02% | +31,039+1,867.6% | Added |
| Umb Bank N A | 33,268 | $7.05M | 0.09% | +11,494+52.8% | Added |
| Level Four Advisory Services, LLC | 33,434 | $7.09M | 0.20% | +746+2.3% | Added |
| Toronto Dominion Bank | 33,678 | $7.14M | 0.01% | +732+2.2% | Added |
| Sequoia Financial Advisors, LLC | 33,797 | $7.16M | 0.04% | +6,767+25.0% | Added |
| CI Private Wealth, LLC | 34,092 | $7.23M | 0.01% | −5,233−13.3% | Reduced |
| TCW Group Inc | 34,453 | $7.30M | 0.05% | +3,591+11.6% | Added |
| Handelsbanken Fonder AB | 34,476 | $7.31M | 0.02% | −885−2.5% | Reduced |
| Wealthfront Advisers LLC | 34,789 | $7.37M | 0.01% | +9,905+39.8% | Added |
| First National Bank of Omaha | 35,533 | $7.54M | 0.21% | −25,161−41.5% | Reduced |
| Easterly Investment Partners LLC | 35,800 | $7.59M | 0.39% | +35,800 | New |
| Capital Wealth Planning, LLC | 35,867 | $7.60M | 0.04% | −1,127−3.0% | Reduced |
| State of New Jersey Common Pension Fund D | 36,019 | $7.63M | 0.03% | −351−1.0% | Reduced |
| The PNC Financial Services Group, Inc. | 36,684 | $7.78M | 0.00% | −1,514−4.0% | Reduced |
| Ofi Invest Asset Management | 41,285 | $7.82M | 0.08% | +35,877+663.4% | Added |
| GHP Investment Advisors, Inc. | 38,517 | $8.16M | 0.30% | +316+0.8% | Added |
| TD Waterhouse Canada Inc. | 37,951 | $8.20M | 0.02% | +599+1.6% | Added |
| Commerce Bank | 38,935 | $8.25M | 0.04% | −813−2.0% | Reduced |
| Oppenheimer & Co Inc | 39,020 | $8.27M | 0.09% | +289+0.7% | Added |
| Cetera Investment Advisers | 39,616 | $8.40M | 0.01% | +2,342+6.3% | Added |
| Resona Asset Management Co.,Ltd. | 40,551 | $8.60M | 0.04% | −2,802−6.5% | Reduced |
| Cerity Partners LLC | 40,784 | $8.64M | 0.01% | +1,194+3.0% | Added |
| Braidwell LP | 43,200 | $9.16M | 0.34% | +43,200 | New |
| KLP Kapitalforvaltning AS | 43,403 | $9.20M | 0.03% | +4,000+10.2% | Added |
| Commonwealth Equity Services, LLC | 44,052 | $9.34M | 0.01% | +1,173+2.7% | Added |
| Calamos Advisors LLC | 44,052 | $9.34M | 0.03% | +546+1.3% | Added |
| Public Employees Retirement Association of Colorado | 44,895 | $9.52M | 0.03% | +34,004+312.2% | Added |
| Prudential PLC | 45,294 | $9.60M | 0.07% | −3,983−8.1% | Reduced |
| Heartland Advisors Inc | 45,311 | $9.60M | 0.43% | −1,675−3.6% | Reduced |
| National Pension Service | 46,067 | $9.76M | 0.01% | −1,048−2.2% | Reduced |
| Korea Investment CORP | 46,829 | $9.93M | 0.02% | −6,100−11.5% | Reduced |
| Cornerstone Advisors, LLC | 47,208 | $10.0M | 0.33% | +47,208 | New |
| Nomura Asset Management Co Ltd | 48,123 | $10.2M | 0.02% | −724−1.5% | Reduced |
| Simplify Asset Management Inc. | 49,715 | $10.5M | 0.15% | +49,715 | New |
| Hilton Capital Management, LLC | 49,758 | $10.5M | 0.72% | +547+1.1% | Added |
| Casdin Capital, LLC | 50,000 | $10.6M | 0.53% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 50,863 | $10.8M | 0.01% | −2,000−3.8% | Reduced |
| AIA Group Ltd | 51,354 | $10.9M | 0.14% | +980+1.9% | Added |
| Royal London Asset Management Ltd | 51,492 | $10.9M | 0.02% | −78−0.2% | Reduced |
| Neuberger Berman Group LLC | 53,224 | $11.3M | 0.01% | +12,572+30.9% | Added |
| KBC Group NV | 54,912 | $11.6M | 0.03% | −2,651−4.6% | Reduced |
| Knights of Columbus Asset Advisors LLC | 55,259 | $11.7M | 0.59% | +8,487+18.1% | Added |
| Asset Management One Co.,Ltd. | 55,754 | $11.8M | 0.03% | +8,428+17.8% | Added |
| Vanguard Investments Australia, Ltd. | 55,922 | $11.9M | 0.03% | +233+0.4% | Added |
| Vontobel Holding Ltd. | 57,102 | $12.1M | 0.04% | +6,836+13.6% | Added |
| Paradiem, LLC | 59,465 | $12.6M | 2.72% | −12,015−16.8% | Reduced |
| Prudential Financial Inc | 60,134 | $12.7M | 0.01% | +4,652+8.4% | Added |
| Susquehanna Portfolio Strategies, LLC | 60,404 | $12.8M | 0.20% | +27,411+83.1% | Added |
| Becker Capital Management Inc | 60,916 | $12.9M | 0.35% | −1,933−3.1% | Reduced |
| AQR Capital Management LLC | 61,196 | $12.9M | 0.00% | +10,929+21.7% | Added |
| TD Asset Management Inc | 63,266 | $13.4M | 0.01% | +5,661+9.8% | Added |
| Artia Global Partners LP | 65,122 | $13.8M | 2.62% | +24,305+59.5% | Added |
| Railway Pension Investments Ltd | 66,000 | $14.0M | 0.18% | +31,500+91.3% | Added |
| Public Employees Retirement System of Ohio | 66,246 | $14.0M | 0.04% | −603−0.9% | Reduced |
| Swiss Life Asset Management Ltd | 66,553 | $14.1M | 0.06% | +13,687+25.9% | Added |
| Savant Capital, LLC | 61,498 | $14.1M | 0.04% | +57,889+1,604.0% | Added |
| JGP Wealth Management, LLC | 66,982 | $14.2M | 1.27% | −580−0.9% | Reduced |
| Hancock Whitney Corp | 67,373 | $14.3M | 0.24% | −665−1.0% | Reduced |
| HighTower Advisors, LLC | 67,692 | $14.3M | 0.01% | +7,678+12.8% | Added |
| Danske Bank A/S | 68,561 | $14.5M | 0.03% | −1,400−2.0% | Reduced |
| Pictet Asset Management Holding SA | 69,234 | $14.7M | 0.01% | −33,104−32.3% | Reduced |
| State of Wisconsin Investment Board | 70,103 | $14.9M | 0.03% | −3,252−4.4% | Reduced |
| Nordea Investment Management AB | 73,243 | $15.5M | 0.01% | +7,283+11.0% | Added |
| CSM Advisors, LLC | 76,028 | $16.1M | 0.34% | −686−0.9% | Reduced |
| STRS Ohio | 76,768 | $16.3M | 0.06% | +74,102+2,779.5% | Added |
| Antipodes Partners Ltd | 77,785 | $16.5M | 0.30% | −84,804−52.2% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 78,125 | $16.6M | 0.04% | +1,656+2.2% | Added |
| CIBC Asset Management Inc | 78,671 | $16.7M | 0.04% | +5,774+7.9% | Added |
| Virginia Retirement Systems Et Al | 79,013 | $16.7M | 0.10% | −1,400−1.7% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 80,868 | $17.1M | 0.04% | −1,029−1.3% | Reduced |
| Standard Life Aberdeen plc | 83,091 | $17.6M | 0.02% | −25,580−23.5% | Reduced |
| Glenmede Trust Co NA | 84,087 | $17.8M | 0.08% | −1,607−1.9% | Reduced |
| New York State Teachers Retirement System | 85,793 | $18.2M | 0.03% | −700−0.8% | Reduced |
| Wellington Management Group LLP | 87,570 | $18.6M | 0.00% | −3,166−3.5% | Reduced |
| State Board of Administration of Florida Retirement System | 92,536 | $19.6M | 0.03% | −2,685−2.8% | Reduced |
| Payden & Rygel | 92,740 | $19.7M | 1.51% | +16,140+21.1% | Added |
| Blair William & Co | 93,291 | $19.8M | 0.05% | +1,319+1.4% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 93,620 | $19.8M | 0.09% | +13,700+17.1% | Added |
| Lazard Asset Management LLC | 94,528 | $20.0M | 0.03% | +45,942+94.6% | Added |
| Midwest Trust Co | 94,896 | $20.1M | 0.23% | −304−0.3% | Reduced |
| Captrust Financial Advisors | 95,054 | $20.1M | 0.03% | +1,777+1.9% | Added |
| Boston Common Asset Management, LLC | 95,696 | $20.3M | 1.20% | +5,370+5.9% | Added |
| Schwartz Investment Counsel Inc | 95,900 | $20.3M | 0.67% | 00.0% | Unchanged |
| Aviva PLC | 96,148 | $20.4M | 0.03% | −1,136−1.2% | Reduced |
| Swedbank AB | 97,588 | $20.7M | 0.02% | +3,794+4.0% | Added |
| Abn Amro Investment Solutions | 98,878 | $21.0M | 0.18% | +22,518+29.5% | Added |
| Manufacturers Life Insurance Company, The | 99,770 | $21.1M | 0.02% | +8,736+9.6% | Added |
| ABN AMRO Bank N.V. | 101,667 | $21.5M | 0.28% | +7,027+7.4% | Added |
| Natixis Advisors, L.P. | 102,188 | $21.7M | 0.02% | +3,315+3.4% | Added |