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 |
|---|---|---|---|---|---|
| Bank Ozk | 15,322 | $3.25M | 0.96% | +750+5.1% | Added |
| Assenagon Asset Management S.A. | 15,405 | $3.27M | 0.00% | +4,334+39.1% | Added |
| Cambridge Investment Research Advisors, Inc. | 15,492 | $3.28M | 0.01% | +998+6.9% | Added |
| Brevan Howard Capital Management LP | 15,507 | $3.29M | 0.05% | +13,701+758.6% | Added |
| Agf Management Ltd | 15,592 | $3.30M | 0.01% | −2,075−11.7% | Reduced |
| Bahl & Gaynor Inc | 15,665 | $3.32M | 0.02% | −1,476−8.6% | Reduced |
| Banco Santander, S.A. | 15,772 | $3.34M | 0.02% | +15,772 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 15,999 | $3.39M | 0.02% | −51−0.3% | Reduced |
| Old National Bancorp | 16,057 | $3.40M | 0.07% | −7,894−33.0% | Reduced |
| Pine Valley Investments Ltd Liability Co | 16,214 | $3.44M | 0.15% | −3,741−18.7% | Reduced |
| British Columbia Investment Management Corp | 16,392 | $3.47M | 0.02% | +1,059+6.9% | Added |
| New York Life Investment Management LLC | 16,533 | $3.50M | 0.02% | +95+0.6% | Added |
| Foster & Motley Inc | 16,571 | $3.51M | 0.16% | −1,345−7.5% | Reduced |
| Oak Associates, Ltd | 16,592 | $3.52M | 0.20% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 16,611 | $3.52M | 0.01% | +64+0.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 16,695 | $3.54M | 0.03% | −434−2.5% | Reduced |
| Utah Retirement Systems | 16,765 | $3.55M | 0.03% | −1,330−7.4% | Reduced |
| Wasatch Advisors Inc | 16,775 | $3.56M | 0.02% | −927−5.2% | Reduced |
| Baird Financial Group, Inc. | 17,006 | $3.60M | 0.00% | +678+4.2% | Added |
| Cambiar Investors LLC | 17,090 | $3.62M | 0.16% | −1,585−8.5% | Reduced |
| NEOS Investment Management LLC | 17,210 | $3.65M | 0.01% | +2,099+13.9% | Added |
| ING Groep NV | 17,294 | $3.67M | 0.02% | +1,938+12.6% | Added |
| Jefferies Financial Group Inc. | 17,375 | $3.68M | 0.03% | −16,098−48.1% | Reduced |
| Ostrum Asset Management | 17,402 | $3.69M | 0.18% | 00.0% | Unchanged |
| JustInvest LLC | 17,463 | $3.70M | 0.03% | +257+1.5% | Added |
| Allspring Global Investments Holdings, LLC | 17,244 | $3.73M | 0.01% | +599+3.6% | Added |
| GLOBALT Investments LLC | 17,913 | $3.80M | 0.13% | +17,913 | New |
| Delta Capital Management LLC | 17,940 | $3.80M | 1.75% | +130+0.7% | Added |
| ProShare Advisors LLC | 18,010 | $3.82M | 0.01% | −1,259−6.5% | Reduced |
| Kestra Advisory Services, LLC | 18,027 | $3.82M | 0.01% | +141+0.8% | Added |
| Public Sector Pension Investment Board | 18,112 | $3.84M | 0.01% | +489+2.8% | Added |
| Rakuten Investment Management, Inc. | 18,058 | $3.84M | 0.01% | +1,671+10.2% | Added |
| Teewinot Capital Advisers, L.L.C. | 18,251 | $3.87M | 0.28% | −10,374−36.2% | Reduced |
| Charter Trust Co | 18,585 | $3.94M | 0.21% | +127+0.7% | Added |
| Osborne Partners Capital Management, LLC | 18,635 | $3.95M | 0.22% | +18,635 | New |
| USS Investment Management Ltd | 18,905 | $4.00M | 0.02% | −163−0.9% | Reduced |
| MML Investors Services, LLC | 19,457 | $4.12M | 0.01% | +4,493+30.0% | Added |
| Mariner, LLC | 19,498 | $4.13M | 0.00% | −7,344−27.4% | Reduced |
| Amalgamated Bank | 19,699 | $4.17M | 0.03% | −1,394−6.6% | Reduced |
| Daymark Wealth Partners, LLC | 19,946 | $4.23M | 0.10% | −78−0.4% | Reduced |
| Daiwa Securities Group Inc. | 20,027 | $4.24M | 0.01% | +1,104+5.8% | Added |
| Massmutual Trust Co FSB | 20,135 | $4.27M | 0.11% | −288−1.4% | Reduced |
| Intech Investment Management LLC | 20,375 | $4.32M | 0.04% | +481+2.4% | Added |
| Advisor Group Holdings, Inc. | 20,414 | $4.33M | 0.01% | +3,748+22.5% | Added |
| Xponance, Inc. | 20,436 | $4.33M | 0.03% | −975−4.6% | Reduced |
| Appleton Partners Inc | 20,823 | $4.41M | 0.27% | −302−1.4% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 21,460 | $4.55M | 0.03% | −58−0.3% | Reduced |
| Riverwater Partners LLC | 21,609 | $4.58M | 1.36% | +636+3.0% | Added |
| Natixis | 21,866 | $4.63M | 0.02% | −6,325−22.4% | Reduced |
| Campbell & CO Investment Adviser LLC | 21,872 | $4.64M | 0.24% | +18,376+525.6% | Added |
| Ensign Peak Advisors, Inc | 21,990 | $4.66M | 0.01% | +4,593+26.4% | Added |
| Simplicity Wealth,LLC | 22,182 | $4.70M | 0.16% | +22,182 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 22,202 | $4.71M | 0.01% | +1,799+8.8% | Added |
| Jones Financial Companies LLLP | 22,474 | $4.72M | 0.00% | +2,895+14.8% | Added |
| Janney Montgomery Scott LLC | 22,447 | $4.76M | 0.01% | +965+4.5% | Added |
| Vestmark Advisory Solutions, Inc. | 22,565 | $4.78M | 0.04% | +201+0.9% | Added |
| US Bancorp | 22,606 | $4.79M | 0.01% | +1,701+8.1% | Added |
| Creative Planning | 22,929 | $4.86M | 0.00% | +1,291+6.0% | Added |
| Retirement Systems of Alabama | 23,255 | $4.93M | 0.01% | −105−0.4% | Reduced |
| Point72 Asset Management, L.P. | 23,380 | $4.96M | 0.01% | +23,380 | New |
| DnB Asset Management AS | 23,498 | $4.98M | 0.01% | 00.0% | Unchanged |
| Palumbo Wealth Management LLC | 23,727 | $5.03M | 1.06% | −575−2.4% | Reduced |
| State of Tennessee, Treasury Department | 23,856 | $5.06M | 0.02% | 00.0% | Unchanged |
| Levin Capital Strategies, L.P. | 24,000 | $5.09M | 0.34% | +15,500+182.4% | Added |
| Munich Reinsurance Co Stock Corp in Munich | 24,324 | $5.16M | 0.11% | +10,188+72.1% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 24,450 | $5.18M | 0.03% | −1,174−4.6% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 24,638 | $5.22M | 0.02% | +24,638 | New |
| Toroso Investments, LLC | 24,698 | $5.23M | 0.01% | −12,366−33.4% | Reduced |
| Canada Post Corp Registered Pension Plan | 24,858 | $5.27M | 0.18% | +1,843+8.0% | Added |
| Auxier Asset Management | 25,018 | $5.30M | 0.71% | −433−1.7% | Reduced |
| Rice Partnership, LLC | 25,040 | $5.31M | 0.64% | +282+1.1% | Added |
| Dean Investment Associates, LLC | 25,144 | $5.33M | 0.70% | +498+2.0% | Added |
| MetLife Investment Management | 25,317 | $5.37M | 0.02% | −408−1.6% | Reduced |
| Pathstone Holdings, LLC | 25,434 | $5.39M | 0.02% | −6,243−19.7% | Reduced |
| Fideuram Asset Management (Ireland) dac | 27,921 | $5.41M | 0.10% | +27,921 | New |
| Trillium Asset Management, LLC | 25,644 | $5.44M | 0.17% | +2,013+8.5% | Added |
| QRG Capital Management, Inc. | 25,798 | $5.47M | 0.04% | +3,447+15.4% | Added |
| Reliant Investment Management, LLC | 25,810 | $5.47M | 1.95% | +25,810 | New |
| Thompson Siegel & Walmsley LLC | 26,355 | $5.59M | 0.10% | −500−1.9% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 26,419 | $5.60M | 0.01% | +2,784+11.8% | Added |
| Waterloo Capital, L.P. | 26,666 | $5.65M | 0.32% | +1,847+7.4% | Added |
| Tredje AP-fonden | 26,762 | $5.67M | 0.03% | −19,827−42.6% | Reduced |
| Northwestern Mutual Wealth Management Co | 26,801 | $5.68M | 0.00% | +4,827+22.0% | Added |
| Sanctuary Advisors, LLC | 26,825 | $5.69M | 0.03% | +1,325+5.2% | Added |
| IFM Investors Pty Ltd | 26,937 | $5.71M | 0.04% | +3,160+13.3% | Added |
| Clean Yield Group | 27,117 | $5.75M | 1.43% | +795+3.0% | Added |
| Nuance Investments, LLC | 27,470 | $5.82M | 0.99% | +2,930+11.9% | Added |
| General American Investors Co Inc | 28,284 | $5.99M | 0.36% | +28,284 | New |
| Nykredit A/S | 28,314 | $6.00M | 0.02% | +28,314 | New |
| State of Michigan Retirement System | 28,321 | $6.00M | 0.03% | −400−1.4% | Reduced |
| Occidental Asset Management, LLC | 28,872 | $6.12M | 0.61% | +1,180+4.3% | Added |
| Rockefeller Capital Management L.P. | 29,156 | $6.18M | 0.01% | +1,890+6.9% | Added |
| Atwater Malick LLC | 29,557 | $6.26M | 1.36% | −759−2.5% | Reduced |
| Truist Financial Corp | 29,668 | $6.29M | 0.01% | −1,706−5.4% | Reduced |
| Ivy Lane Capital Management, LLC | 30,000 | $6.36M | 9.21% | +1,000+3.4% | Added |
| Boston Trust Walden Corp | 30,425 | $6.45M | 0.05% | +35+0.1% | Added |
| SGL Investment Advisors, Inc. | 27,290 | $6.48M | 2.24% | −968−3.4% | Reduced |
| Te Ahumairangi Investment Management Ltd | 30,621 | $6.49M | 1.05% | +399+1.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 30,733 | $6.51M | 0.01% | +1,406+4.8% | Added |
| Ethic Inc. | 31,253 | $6.62M | 0.08% | +6,593+26.7% | Added |