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 |
|---|---|---|---|---|---|
| Old National Bancorp | 22,168 | $3.85M | 0.06% | −3,181−12.5% | Reduced |
| Quest Partners LLC | 22,173 | $3.85M | 0.22% | +15,704+242.8% | Added |
| Umb Bank N A | 22,205 | $3.85M | 0.05% | −1,028−4.4% | Reduced |
| US Bancorp | 22,464 | $3.90M | 0.00% | −302−1.3% | Reduced |
| DnB Asset Management AS | 22,529 | $3.91M | 0.01% | +1,696+8.1% | Added |
| Verition Fund Management LLC | 22,766 | $3.95M | 0.02% | −42,677−65.2% | Reduced |
| Canada Post Corp Registered Pension Plan | 23,015 | $3.99M | 0.15% | −5,785−20.1% | Reduced |
| Wealthfront Advisers LLC | 23,300 | $4.04M | 0.01% | −630−2.6% | Reduced |
| IFM Investors Pty Ltd | 23,581 | $4.09M | 0.03% | 00.0% | Unchanged |
| Retirement Systems of Alabama | 23,665 | $4.11M | 0.01% | −190−0.8% | Reduced |
| Cambiar Investors LLC | 23,730 | $4.12M | 0.18% | −3,668−13.4% | Reduced |
| Maverick Capital LtdSuperinvestorMaverick Capital | 23,895 | $4.15M | 0.04% | +5,717+31.5% | Added |
| Atom Investors LP | 24,043 | $4.17M | 0.33% | +24,043 | New |
| Dean Investment Associates, LLC | 24,269 | $4.21M | 0.60% | +622+2.6% | Added |
| Rice Partnership, LLC | 24,524 | $4.26M | 0.58% | +2,684+12.3% | Added |
| Sanctuary Advisors, LLC | 24,676 | $4.28M | 0.02% | +331+1.4% | Added |
| Assenagon Asset Management S.A. | 24,949 | $4.33M | 0.01% | +19,361+346.5% | Added |
| Empowered Funds, LLC | 24,995 | $4.34M | 0.07% | +16,639+199.1% | Added |
| Captrust Financial Advisors | 25,317 | $4.39M | 0.01% | +8,136+47.4% | Added |
| FineMark National Bank & Trust | 25,419 | $4.41M | 0.14% | +166+0.7% | Added |
| State of Tennessee, Treasury Department | 23,856 | $4.46M | 0.01% | −1,108−4.4% | Reduced |
| Palumbo Wealth Management LLC | 25,858 | $4.49M | 1.11% | +115+0.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 25,876 | $4.49M | 0.02% | −977−3.6% | Reduced |
| Auxier Asset Management | 25,911 | $4.50M | 0.63% | −387−1.5% | Reduced |
| Van Eck Associates Corp | 25,977 | $4.51M | 0.00% | +174+0.7% | Added |
| Waterloo Capital, L.P. | 26,330 | $4.57M | 0.33% | +551+2.1% | Added |
| Intech Investment Management LLC | 26,357 | $4.57M | 0.04% | −17,233−39.5% | Reduced |
| Comerica Bank | 26,427 | $4.59M | 0.02% | −686−2.5% | Reduced |
| MetLife Investment Management | 26,669 | $4.63M | 0.02% | −1,067−3.8% | Reduced |
| Trillium Asset Management, LLC | 25,799 | $4.63M | 0.14% | −5,403−17.3% | Reduced |
| Clean Yield Group | 26,681 | $4.63M | 1.29% | +24+0.1% | Added |
| Sequoia Financial Advisors, LLC | 26,702 | $4.63M | 0.03% | +3,359+14.4% | Added |
| Occidental Asset Management, LLC | 26,921 | $4.67M | 0.56% | +881+3.4% | Added |
| Illinois Municipal Retirement Fund | 28,101 | $4.88M | 0.06% | +4,710+20.1% | Added |
| ProShare Advisors LLC | 28,430 | $4.93M | 0.01% | +1,473+5.5% | Added |
| TCW Group Inc | 28,708 | $4.98M | 0.04% | +2,131+8.0% | Added |
| Boston Trust Walden Corp | 28,849 | $5.01M | 0.04% | −745−2.5% | Reduced |
| Cetera Investment Advisers | 28,912 | $5.02M | 0.01% | −391−1.3% | Reduced |
| Twinbeech Capital LP | 28,913 | $5.02M | 0.36% | +28,913 | New |
| Ivy Lane Capital Management, LLC | 29,000 | $5.03M | 6.36% | 00.0% | Unchanged |
| State of Michigan Retirement System | 29,121 | $5.05M | 0.02% | −1,100−3.6% | Reduced |
| Rockefeller Capital Management L.P. | 29,322 | $5.09M | 0.01% | −75,894−72.1% | Reduced |
| Czech National Bank | 29,333 | $5.09M | 0.03% | +932+3.3% | Added |
| Toth Financial Advisory Corp | 29,552 | $5.13M | 0.56% | +2,731+10.2% | Added |
| Argent Trust Co | 29,859 | $5.18M | 0.18% | +355+1.2% | Added |
| Y-Intercept (Hong Kong) Ltd | 29,905 | $5.19M | 0.12% | +29,905 | New |
| Susquehanna International Group, LLP | 30,628 | $5.31M | 0.01% | +13,696+80.9% | Added |
| Arizona State Retirement System | 30,770 | $5.34M | 0.03% | −2,139−6.5% | Reduced |
| FIL Ltd | 30,971 | $5.37M | 0.00% | +11,630+60.1% | Added |
| SGL Investment Advisors, Inc. | 28,499 | $5.48M | 2.19% | +450+1.6% | Added |
| American Assets Investment Management, LLC | 32,000 | $5.55M | 0.38% | 00.0% | Unchanged |
| Patton Fund Management, Inc. | 32,039 | $5.56M | 0.75% | +30,772+2,428.7% | Added |
| Ostrum Asset Management | 32,171 | $5.58M | 0.27% | +1,536+5.0% | Added |
| Thompson Siegel & Walmsley LLC | 32,655 | $5.67M | 0.10% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 34,131 | $5.92M | 0.02% | −41,037−54.6% | Reduced |
| Te Ahumairangi Investment Management Ltd | 34,536 | $5.99M | 1.07% | −3,922−10.2% | Reduced |
| Truist Financial Corp | 34,802 | $6.04M | 0.01% | −8,740−20.1% | Reduced |
| Level Four Advisory Services, LLC | 34,862 | $6.05M | 0.20% | +127+0.4% | Added |
| Atwater Malick LLC | 35,333 | $6.13M | 1.69% | −7,609−17.7% | Reduced |
| Handelsbanken Fonder AB | 35,452 | $6.15M | 0.02% | −1,957−5.2% | Reduced |
| State of New Jersey Common Pension Fund D | 36,370 | $6.31M | 0.02% | −902−2.4% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 36,421 | $6.32M | 0.10% | +36,421 | New |
| Capital Wealth Planning, LLC | 36,610 | $6.35M | 0.04% | +117+0.3% | Added |
| CI Private Wealth, LLC | 36,613 | $6.35M | 0.01% | +10,466+40.0% | Added |
| The PNC Financial Services Group, Inc. | 36,741 | $6.38M | 0.00% | −106−0.3% | Reduced |
| Oppenheimer & Co Inc | 37,834 | $6.57M | 0.09% | +65+0.2% | Added |
| GHP Investment Advisors, Inc. | 38,486 | $6.68M | 0.27% | −769−2.0% | Reduced |
| KLP Kapitalforvaltning AS | 39,403 | $6.84M | 0.03% | +300+0.8% | Added |
| Olstein Capital Management, L.P. | 40,000 | $6.94M | 1.42% | 00.0% | Unchanged |
| Artia Global Partners LP | 40,817 | $7.08M | 1.14% | −40,900−50.1% | Reduced |
| Jefferies Financial Group Inc. | 41,119 | $7.14M | 0.06% | +19,683+91.8% | Added |
| TD Waterhouse Canada Inc. | 41,195 | $7.14M | 0.04% | +2,855+7.4% | Added |
| HighTower Advisors, LLC | 41,347 | $7.17M | 0.01% | +597+1.5% | Added |
| Cerity Partners LLC | 42,100 | $7.31M | 0.01% | +1,588+3.9% | Added |
| Mn Services Vermogensbeheer B.V. | 42,366 | $7.35M | 0.05% | +521+1.2% | Added |
| Swiss Life Asset Management Ltd | 43,338 | $7.52M | 0.04% | +24,722+132.8% | Added |
| National Pension Service | 43,418 | $7.53M | 0.01% | −191,473−81.5% | Reduced |
| Resona Asset Management Co.,Ltd. | 43,497 | $7.56M | 0.04% | −646−1.5% | Reduced |
| Neuberger Berman Group LLC | 43,821 | $7.60M | 0.01% | −474,675−91.5% | Reduced |
| Royal London Asset Management Ltd | 44,377 | $7.70M | 0.02% | +342+0.8% | Added |
| Korea Investment CORP | 44,829 | $7.78M | 0.02% | +15,000+50.3% | Added |
| Mariner, LLC | 45,642 | $7.92M | 0.01% | +7,342+19.2% | Added |
| Asset Management One Co.,Ltd. | 45,329 | $7.95M | 0.02% | −465−1.0% | Reduced |
| Commonwealth Equity Services, LLC | 45,921 | $7.97M | 0.01% | −10,047−18.0% | Reduced |
| Knights of Columbus Asset Advisors LLC | 46,079 | $8.00M | 0.45% | +1,110+2.5% | Added |
| Franklin Resources Inc | 46,268 | $8.03M | 0.00% | −3,022−6.1% | Reduced |
| Hilton Capital Management, LLC | 47,776 | $8.29M | 0.62% | +438+0.9% | Added |
| Two Sigma Investments, LP | 47,984 | $8.33M | 0.01% | +47,984 | New |
| Heartland Advisors Inc | 48,263 | $8.38M | 0.45% | −1,744−3.5% | Reduced |
| Millennium Management LLC | 48,416 | $8.40M | 0.01% | +38,058+367.4% | Added |
| Nomura Asset Management Co Ltd | 48,438 | $8.41M | 0.02% | −210−0.4% | Reduced |
| Prudential PLC | 49,277 | $8.55M | 0.07% | 00.0% | Unchanged |
| Toronto Dominion Bank | 49,699 | $8.62M | 0.02% | +8,578+20.9% | Added |
| Casdin Capital, LLC | 50,000 | $8.68M | 0.54% | +50,000 | New |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 50,320 | $8.73M | 0.07% | +7,700+18.1% | Added |
| New York State Common Retirement Fund | 52,863 | $9.17M | 0.01% | 00.0% | Unchanged |
| TD Asset Management Inc | 54,988 | $9.54M | 0.01% | −65,893−54.5% | Reduced |
| AIA Group Ltd | 55,151 | $9.57M | 0.14% | +51,911+1,602.2% | Added |
| Nuance Investments, LLC | 55,556 | $9.64M | 1.06% | +25,349+83.9% | Added |
| Prudential Financial Inc | 56,153 | $9.74M | 0.01% | −6,813−10.8% | Reduced |