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
- 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 |
|---|---|---|---|---|---|
| Universal- Beteiligungs- und Servicegesellschaft mbH | 116,373 | $24.6M | 0.04% | −15,562−11.8% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 115,921 | $24.6M | 0.04% | −54,991−32.2% | Reduced |
| Robeco Institutional Asset Management B.V. | 112,546 | $23.9M | 0.03% | +134+0.1% | Added |
| Kames Capital plc | 107,888 | $22.9M | 0.24% | +17,283+19.1% | Added |
| Tocqueville Asset Management L.P. | 106,964 | $22.7M | 0.30% | −515−0.5% | Reduced |
| Ceredex Value Advisors LLC | 106,581 | $22.6M | 0.64% | +19,469+22.3% | Added |
| Adage Capital Partners GP, L.L.C. | 106,303 | $22.5M | 0.03% | +106,303 | New |
| SEI Investments Co | 105,415 | $22.3M | 0.02% | +25,827+32.5% | Added |
| Treasurer of the State of North Carolina | 105,243 | $22.3M | 0.06% | −190−0.2% | Reduced |
| Moran Wealth Management, LLC | 104,495 | $22.1M | 0.60% | −3,856−3.6% | Reduced |
| Mercer Global Advisors Inc | 104,301 | $22.1M | 0.03% | +2,455+2.4% | Added |
| Russell Investments Group, Ltd. | 102,292 | $21.7M | 0.02% | +7,078+7.4% | Added |
| Natixis Advisors, L.P. | 102,188 | $21.7M | 0.02% | +3,315+3.4% | Added |
| ABN AMRO Bank N.V. | 101,667 | $21.5M | 0.28% | +7,027+7.4% | Added |
| Manufacturers Life Insurance Company, The | 99,770 | $21.1M | 0.02% | +8,736+9.6% | Added |
| Abn Amro Investment Solutions | 98,878 | $21.0M | 0.18% | +22,518+29.5% | Added |
| Swedbank AB | 97,588 | $20.7M | 0.02% | +3,794+4.0% | Added |
| Aviva PLC | 96,148 | $20.4M | 0.03% | −1,136−1.2% | Reduced |
| Schwartz Investment Counsel Inc | 95,900 | $20.3M | 0.67% | 00.0% | Unchanged |
| Boston Common Asset Management, LLC | 95,696 | $20.3M | 1.20% | +5,370+5.9% | Added |
| Captrust Financial Advisors | 95,054 | $20.1M | 0.03% | +1,777+1.9% | Added |
| Midwest Trust Co | 94,896 | $20.1M | 0.23% | −304−0.3% | Reduced |
| Lazard Asset Management LLC | 94,528 | $20.0M | 0.03% | +45,942+94.6% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 93,620 | $19.8M | 0.09% | +13,700+17.1% | Added |
| Blair William & Co | 93,291 | $19.8M | 0.05% | +1,319+1.4% | Added |
| Payden & Rygel | 92,740 | $19.7M | 1.51% | +16,140+21.1% | Added |
| State Board of Administration of Florida Retirement System | 92,536 | $19.6M | 0.03% | −2,685−2.8% | Reduced |
| Wellington Management Group LLP | 87,570 | $18.6M | 0.00% | −3,166−3.5% | Reduced |
| New York State Teachers Retirement System | 85,793 | $18.2M | 0.03% | −700−0.8% | Reduced |
| Glenmede Trust Co NA | 84,087 | $17.8M | 0.08% | −1,607−1.9% | Reduced |
| Standard Life Aberdeen plc | 83,091 | $17.6M | 0.02% | −25,580−23.5% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 80,868 | $17.1M | 0.04% | −1,029−1.3% | Reduced |
| Virginia Retirement Systems Et Al | 79,013 | $16.7M | 0.10% | −1,400−1.7% | Reduced |
| CIBC Asset Management Inc | 78,671 | $16.7M | 0.04% | +5,774+7.9% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 78,125 | $16.6M | 0.04% | +1,656+2.2% | Added |
| Antipodes Partners Ltd | 77,785 | $16.5M | 0.30% | −84,804−52.2% | Reduced |
| STRS Ohio | 76,768 | $16.3M | 0.06% | +74,102+2,779.5% | Added |
| CSM Advisors, LLC | 76,028 | $16.1M | 0.34% | −686−0.9% | Reduced |
| Nordea Investment Management AB | 73,243 | $15.5M | 0.01% | +7,283+11.0% | Added |
| State of Wisconsin Investment Board | 70,103 | $14.9M | 0.03% | −3,252−4.4% | Reduced |
| Pictet Asset Management Holding SA | 69,234 | $14.7M | 0.01% | −33,104−32.3% | Reduced |
| Danske Bank A/S | 68,561 | $14.5M | 0.03% | −1,400−2.0% | Reduced |
| HighTower Advisors, LLC | 67,692 | $14.3M | 0.01% | +7,678+12.8% | Added |
| Hancock Whitney Corp | 67,373 | $14.3M | 0.24% | −665−1.0% | Reduced |
| JGP Wealth Management, LLC | 66,982 | $14.2M | 1.27% | −580−0.9% | Reduced |
| Savant Capital, LLC | 61,498 | $14.1M | 0.04% | +57,889+1,604.0% | Added |
| Swiss Life Asset Management Ltd | 66,553 | $14.1M | 0.06% | +13,687+25.9% | Added |
| Public Employees Retirement System of Ohio | 66,246 | $14.0M | 0.04% | −603−0.9% | Reduced |
| Railway Pension Investments Ltd | 66,000 | $14.0M | 0.18% | +31,500+91.3% | Added |
| Artia Global Partners LP | 65,122 | $13.8M | 2.62% | +24,305+59.5% | Added |
| TD Asset Management Inc | 63,266 | $13.4M | 0.01% | +5,661+9.8% | Added |
| AQR Capital Management LLC | 61,196 | $12.9M | 0.00% | +10,929+21.7% | Added |
| Becker Capital Management Inc | 60,916 | $12.9M | 0.35% | −1,933−3.1% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 60,404 | $12.8M | 0.20% | +27,411+83.1% | Added |
| Prudential Financial Inc | 60,134 | $12.7M | 0.01% | +4,652+8.4% | Added |
| Paradiem, LLC | 59,465 | $12.6M | 2.72% | −12,015−16.8% | Reduced |
| Vontobel Holding Ltd. | 57,102 | $12.1M | 0.04% | +6,836+13.6% | Added |
| Vanguard Investments Australia, Ltd. | 55,922 | $11.9M | 0.03% | +233+0.4% | Added |
| Asset Management One Co.,Ltd. | 55,754 | $11.8M | 0.03% | +8,428+17.8% | Added |
| Knights of Columbus Asset Advisors LLC | 55,259 | $11.7M | 0.59% | +8,487+18.1% | Added |
| KBC Group NV | 54,912 | $11.6M | 0.03% | −2,651−4.6% | Reduced |
| Neuberger Berman Group LLC | 53,224 | $11.3M | 0.01% | +12,572+30.9% | Added |
| Royal London Asset Management Ltd | 51,492 | $10.9M | 0.02% | −78−0.2% | Reduced |
| AIA Group Ltd | 51,354 | $10.9M | 0.14% | +980+1.9% | Added |
| New York State Common Retirement Fund | 50,863 | $10.8M | 0.01% | −2,000−3.8% | Reduced |
| Casdin Capital, LLC | 50,000 | $10.6M | 0.53% | 00.0% | Unchanged |
| Hilton Capital Management, LLC | 49,758 | $10.5M | 0.72% | +547+1.1% | Added |
| Simplify Asset Management Inc. | 49,715 | $10.5M | 0.15% | +49,715 | New |
| Nomura Asset Management Co Ltd | 48,123 | $10.2M | 0.02% | −724−1.5% | Reduced |
| Cornerstone Advisors, LLC | 47,208 | $10.0M | 0.33% | +47,208 | New |
| Korea Investment CORP | 46,829 | $9.93M | 0.02% | −6,100−11.5% | Reduced |
| National Pension Service | 46,067 | $9.76M | 0.01% | −1,048−2.2% | Reduced |
| Heartland Advisors Inc | 45,311 | $9.60M | 0.43% | −1,675−3.6% | Reduced |
| Prudential PLC | 45,294 | $9.60M | 0.07% | −3,983−8.1% | Reduced |
| Public Employees Retirement Association of Colorado | 44,895 | $9.52M | 0.03% | +34,004+312.2% | Added |
| Calamos Advisors LLC | 44,052 | $9.34M | 0.03% | +546+1.3% | Added |
| Commonwealth Equity Services, LLC | 44,052 | $9.34M | 0.01% | +1,173+2.7% | Added |
| KLP Kapitalforvaltning AS | 43,403 | $9.20M | 0.03% | +4,000+10.2% | Added |
| Braidwell LP | 43,200 | $9.16M | 0.34% | +43,200 | New |
| Cerity Partners LLC | 40,784 | $8.64M | 0.01% | +1,194+3.0% | Added |
| Resona Asset Management Co.,Ltd. | 40,551 | $8.60M | 0.04% | −2,802−6.5% | Reduced |
| Cetera Investment Advisers | 39,616 | $8.40M | 0.01% | +2,342+6.3% | Added |
| Oppenheimer & Co Inc | 39,020 | $8.27M | 0.09% | +289+0.7% | Added |
| Commerce Bank | 38,935 | $8.25M | 0.04% | −813−2.0% | Reduced |
| TD Waterhouse Canada Inc. | 37,951 | $8.20M | 0.02% | +599+1.6% | Added |
| GHP Investment Advisors, Inc. | 38,517 | $8.16M | 0.30% | +316+0.8% | Added |
| Ofi Invest Asset Management | 41,285 | $7.82M | 0.08% | +35,877+663.4% | Added |
| The PNC Financial Services Group, Inc. | 36,684 | $7.78M | 0.00% | −1,514−4.0% | Reduced |
| State of New Jersey Common Pension Fund D | 36,019 | $7.63M | 0.03% | −351−1.0% | Reduced |
| Capital Wealth Planning, LLC | 35,867 | $7.60M | 0.04% | −1,127−3.0% | Reduced |
| Easterly Investment Partners LLC | 35,800 | $7.59M | 0.39% | +35,800 | New |
| First National Bank of Omaha | 35,533 | $7.54M | 0.21% | −25,161−41.5% | Reduced |
| Wealthfront Advisers LLC | 34,789 | $7.37M | 0.01% | +9,905+39.8% | Added |
| Handelsbanken Fonder AB | 34,476 | $7.31M | 0.02% | −885−2.5% | Reduced |
| TCW Group Inc | 34,453 | $7.30M | 0.05% | +3,591+11.6% | Added |
| CI Private Wealth, LLC | 34,092 | $7.23M | 0.01% | −5,233−13.3% | Reduced |
| Sequoia Financial Advisors, LLC | 33,797 | $7.16M | 0.04% | +6,767+25.0% | Added |
| Toronto Dominion Bank | 33,678 | $7.14M | 0.01% | +732+2.2% | Added |
| Level Four Advisory Services, LLC | 33,434 | $7.09M | 0.20% | +746+2.3% | Added |
| Umb Bank N A | 33,268 | $7.05M | 0.09% | +11,494+52.8% | Added |