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 |
|---|---|---|---|---|---|
| Teacher Retirement System of Texas | 32,701 | $6.93M | 0.02% | +31,039+1,867.6% | Added |
| Fifth Third Bancorp | 32,540 | $6.90M | 0.01% | −2,556−7.3% | Reduced |
| Toth Financial Advisory Corp | 32,530 | $6.89M | 0.67% | +2,769+9.3% | Added |
| American Assets Investment Management, LLC | 32,000 | $6.78M | 0.41% | 00.0% | Unchanged |
| Argent Trust Co | 31,999 | $6.78M | 0.20% | +1,510+5.0% | Added |
| Mn Services Vermogensbeheer B.V. | 31,966 | $6.78M | 0.05% | −10,400−24.5% | Reduced |
| Illinois Municipal Retirement Fund | 31,711 | $6.72M | 0.08% | +215+0.7% | Added |
| Fuller & Thaler Asset Management, Inc. | 31,605 | $6.70M | 0.02% | +6,683+26.8% | Added |
| Czech National Bank | 31,508 | $6.68M | 0.04% | +1,550+5.2% | Added |
| Arizona State Retirement System | 31,500 | $6.68M | 0.03% | +1,264+4.2% | Added |
| Castleark Management LLC | 31,480 | $6.67M | 0.18% | +31,480 | New |
| CIBC Bancorp USA Inc. | 31,355 | $6.64M | 0.01% | −8,406−21.1% | Reduced |
| Ethic Inc. | 31,253 | $6.62M | 0.08% | +6,593+26.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 30,733 | $6.51M | 0.01% | +1,406+4.8% | Added |
| Te Ahumairangi Investment Management Ltd | 30,621 | $6.49M | 1.05% | +399+1.3% | Added |
| SGL Investment Advisors, Inc. | 27,290 | $6.48M | 2.24% | −968−3.4% | Reduced |
| Boston Trust Walden Corp | 30,425 | $6.45M | 0.05% | +35+0.1% | Added |
| Ivy Lane Capital Management, LLC | 30,000 | $6.36M | 9.21% | +1,000+3.4% | Added |
| Truist Financial Corp | 29,668 | $6.29M | 0.01% | −1,706−5.4% | Reduced |
| Atwater Malick LLC | 29,557 | $6.26M | 1.36% | −759−2.5% | Reduced |
| Rockefeller Capital Management L.P. | 29,156 | $6.18M | 0.01% | +1,890+6.9% | Added |
| Occidental Asset Management, LLC | 28,872 | $6.12M | 0.61% | +1,180+4.3% | Added |
| State of Michigan Retirement System | 28,321 | $6.00M | 0.03% | −400−1.4% | Reduced |
| Nykredit A/S | 28,314 | $6.00M | 0.02% | +28,314 | New |
| General American Investors Co Inc | 28,284 | $5.99M | 0.36% | +28,284 | New |
| Nuance Investments, LLC | 27,470 | $5.82M | 0.99% | +2,930+11.9% | Added |
| Clean Yield Group | 27,117 | $5.75M | 1.43% | +795+3.0% | Added |
| IFM Investors Pty Ltd | 26,937 | $5.71M | 0.04% | +3,160+13.3% | Added |
| Sanctuary Advisors, LLC | 26,825 | $5.69M | 0.03% | +1,325+5.2% | Added |
| Northwestern Mutual Wealth Management Co | 26,801 | $5.68M | 0.00% | +4,827+22.0% | Added |
| Tredje AP-fonden | 26,762 | $5.67M | 0.03% | −19,827−42.6% | Reduced |
| Waterloo Capital, L.P. | 26,666 | $5.65M | 0.32% | +1,847+7.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 26,419 | $5.60M | 0.01% | +2,784+11.8% | Added |
| Thompson Siegel & Walmsley LLC | 26,355 | $5.59M | 0.10% | −500−1.9% | Reduced |
| Reliant Investment Management, LLC | 25,810 | $5.47M | 1.95% | +25,810 | New |
| QRG Capital Management, Inc. | 25,798 | $5.47M | 0.04% | +3,447+15.4% | Added |
| Trillium Asset Management, LLC | 25,644 | $5.44M | 0.17% | +2,013+8.5% | Added |
| Fideuram Asset Management (Ireland) dac | 27,921 | $5.41M | 0.10% | +27,921 | New |
| Pathstone Holdings, LLC | 25,434 | $5.39M | 0.02% | −6,243−19.7% | Reduced |
| MetLife Investment Management | 25,317 | $5.37M | 0.02% | −408−1.6% | Reduced |
| Dean Investment Associates, LLC | 25,144 | $5.33M | 0.70% | +498+2.0% | Added |
| Rice Partnership, LLC | 25,040 | $5.31M | 0.64% | +282+1.1% | Added |
| Auxier Asset Management | 25,018 | $5.30M | 0.71% | −433−1.7% | Reduced |
| Canada Post Corp Registered Pension Plan | 24,858 | $5.27M | 0.18% | +1,843+8.0% | Added |
| Toroso Investments, LLC | 24,698 | $5.23M | 0.01% | −12,366−33.4% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 24,638 | $5.22M | 0.02% | +24,638 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 24,450 | $5.18M | 0.03% | −1,174−4.6% | Reduced |
| Munich Reinsurance Co Stock Corp in Munich | 24,324 | $5.16M | 0.11% | +10,188+72.1% | Added |
| Levin Capital Strategies, L.P. | 24,000 | $5.09M | 0.34% | +15,500+182.4% | Added |
| State of Tennessee, Treasury Department | 23,856 | $5.06M | 0.02% | 00.0% | Unchanged |
| Palumbo Wealth Management LLC | 23,727 | $5.03M | 1.06% | −575−2.4% | Reduced |
| DnB Asset Management AS | 23,498 | $4.98M | 0.01% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 23,380 | $4.96M | 0.01% | +23,380 | New |
| Retirement Systems of Alabama | 23,255 | $4.93M | 0.01% | −105−0.4% | Reduced |
| Creative Planning | 22,929 | $4.86M | 0.00% | +1,291+6.0% | Added |
| US Bancorp | 22,606 | $4.79M | 0.01% | +1,701+8.1% | Added |
| Vestmark Advisory Solutions, Inc. | 22,565 | $4.78M | 0.04% | +201+0.9% | Added |
| Janney Montgomery Scott LLC | 22,447 | $4.76M | 0.01% | +965+4.5% | Added |
| Jones Financial Companies LLLP | 22,474 | $4.72M | 0.00% | +2,895+14.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 22,202 | $4.71M | 0.01% | +1,799+8.8% | Added |
| Simplicity Wealth,LLC | 22,182 | $4.70M | 0.16% | +22,182 | New |
| Ensign Peak Advisors, Inc | 21,990 | $4.66M | 0.01% | +4,593+26.4% | Added |
| Campbell & CO Investment Adviser LLC | 21,872 | $4.64M | 0.24% | +18,376+525.6% | Added |
| Natixis | 21,866 | $4.63M | 0.02% | −6,325−22.4% | Reduced |
| Riverwater Partners LLC | 21,609 | $4.58M | 1.36% | +636+3.0% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 21,460 | $4.55M | 0.03% | −58−0.3% | Reduced |
| Appleton Partners Inc | 20,823 | $4.41M | 0.27% | −302−1.4% | Reduced |
| Xponance, Inc. | 20,436 | $4.33M | 0.03% | −975−4.6% | Reduced |
| Advisor Group Holdings, Inc. | 20,414 | $4.33M | 0.01% | +3,748+22.5% | Added |
| Intech Investment Management LLC | 20,375 | $4.32M | 0.04% | +481+2.4% | Added |
| Massmutual Trust Co FSB | 20,135 | $4.27M | 0.11% | −288−1.4% | Reduced |
| Daiwa Securities Group Inc. | 20,027 | $4.24M | 0.01% | +1,104+5.8% | Added |
| Daymark Wealth Partners, LLC | 19,946 | $4.23M | 0.10% | −78−0.4% | Reduced |
| Amalgamated Bank | 19,699 | $4.17M | 0.03% | −1,394−6.6% | Reduced |
| Mariner, LLC | 19,498 | $4.13M | 0.00% | −7,344−27.4% | Reduced |
| MML Investors Services, LLC | 19,457 | $4.12M | 0.01% | +4,493+30.0% | Added |
| USS Investment Management Ltd | 18,905 | $4.00M | 0.02% | −163−0.9% | Reduced |
| Osborne Partners Capital Management, LLC | 18,635 | $3.95M | 0.22% | +18,635 | New |
| Charter Trust Co | 18,585 | $3.94M | 0.21% | +127+0.7% | Added |
| Teewinot Capital Advisers, L.L.C. | 18,251 | $3.87M | 0.28% | −10,374−36.2% | Reduced |
| Rakuten Investment Management, Inc. | 18,058 | $3.84M | 0.01% | +1,671+10.2% | Added |
| Public Sector Pension Investment Board | 18,112 | $3.84M | 0.01% | +489+2.8% | Added |
| Kestra Advisory Services, LLC | 18,027 | $3.82M | 0.01% | +141+0.8% | Added |
| ProShare Advisors LLC | 18,010 | $3.82M | 0.01% | −1,259−6.5% | Reduced |
| Delta Capital Management LLC | 17,940 | $3.80M | 1.75% | +130+0.7% | Added |
| GLOBALT Investments LLC | 17,913 | $3.80M | 0.13% | +17,913 | New |
| Allspring Global Investments Holdings, LLC | 17,244 | $3.73M | 0.01% | +599+3.6% | Added |
| JustInvest LLC | 17,463 | $3.70M | 0.03% | +257+1.5% | Added |
| Ostrum Asset Management | 17,402 | $3.69M | 0.18% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 17,375 | $3.68M | 0.03% | −16,098−48.1% | Reduced |
| ING Groep NV | 17,294 | $3.67M | 0.02% | +1,938+12.6% | Added |
| NEOS Investment Management LLC | 17,210 | $3.65M | 0.01% | +2,099+13.9% | Added |
| Cambiar Investors LLC | 17,090 | $3.62M | 0.16% | −1,585−8.5% | Reduced |
| Baird Financial Group, Inc. | 17,006 | $3.60M | 0.00% | +678+4.2% | Added |
| Wasatch Advisors Inc | 16,775 | $3.56M | 0.02% | −927−5.2% | Reduced |
| Utah Retirement Systems | 16,765 | $3.55M | 0.03% | −1,330−7.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 16,695 | $3.54M | 0.03% | −434−2.5% | Reduced |
| Nisa Investment Advisors, LLC | 16,611 | $3.52M | 0.01% | +64+0.4% | Added |
| Oak Associates, Ltd | 16,592 | $3.52M | 0.20% | 00.0% | Unchanged |
| Foster & Motley Inc | 16,571 | $3.51M | 0.16% | −1,345−7.5% | Reduced |