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, Q3 2025
Institutional positions in Quest Diagnostics Inc as of Sep 30, 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
- 1,006
- +34 vs. Q2 2025
- Shares held
- 105.0M
- −1.02M (−1.0%) vs. Q2 2025
- Total value
- $20.0B
- +$944.3M (+5.0%) vs. Q2 2025
- New holders
- 115
- 359 more added
- Sold out
- 81
- 342 more reduced
19 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Optimize Financial Inc | 2,311 | $440.4K | 0.23% | +2,311 | New |
| Callan Family Office, LLC | 2,309 | $440.0K | 0.01% | −1,138−33.0% | Reduced |
| WealthShield Partners, LLC | 2,306 | $439.5K | 0.05% | 00.0% | Unchanged |
| TrueMark Investments, LLC | 2,301 | $438.5K | 0.08% | +2,301 | New |
| Flagship Harbor Advisors, LLC | 2,278 | $434.1K | 0.02% | +15+0.7% | Added |
| Foundations Investment Advisors, LLC | 2,271 | $432.7K | 0.01% | −51−2.2% | Reduced |
| Thomasville National Bank | 2,270 | $432.6K | 0.03% | 00.0% | Unchanged |
| RD Lewis Holdings, Inc. | 2,303 | $430.3K | 0.40% | −300−11.5% | Reduced |
| Requisite Capital Management, LLC | 2,249 | $428.6K | 0.07% | +2,249 | New |
| Quadrant Capital Group LLC | 2,245 | $427.9K | 0.01% | +30+1.4% | Added |
| Moors & Cabot, Inc. | 2,225 | $424.0K | 0.02% | +2,225 | New |
| Central Trust Co | 2,205 | $420.2K | 0.01% | −95−4.1% | Reduced |
| EHP Funds Inc. | 2,200 | $419.3K | 0.55% | 00.0% | Unchanged |
| APG Asset Management US Inc. | 2,300 | $418.8K | 0.00% | 00.0% | Unchanged |
| MUFG Securities EMEA plc | 2,140 | $407.8K | 0.01% | +1,813+554.4% | Added |
| Sagespring Wealth Partners, LLC | 2,111 | $402.3K | 0.01% | +349+19.8% | Added |
| Lester Murray Antman dba SimplyRich | 2,100 | $400.0K | 0.11% | −3−0.1% | Reduced |
| Axq Capital, LP | 2,065 | $393.5K | 0.15% | +922+80.7% | Added |
| Cypress Capital Group | 2,048 | $390.3K | 0.05% | +48+2.4% | Added |
| Fairvoy Private Wealth, LLC | 2,044 | $389.5K | 0.09% | +2,044 | New |
| HBK Sorce Advisory LLC | 2,077 | $389.1K | 0.01% | −520−20.0% | Reduced |
| SeaCrest Wealth Management, LLC | 2,147 | $388.3K | 0.04% | +24+1.1% | Added |
| D.A. Davidson & Co. | 2,034 | $387.6K | 0.00% | +916+81.9% | Added |
| Gratus Wealth Advisors, LLC | 2,031 | $387.1K | 0.05% | +17+0.8% | Added |
| Holderness Investments Co | 2,000 | $381.2K | 0.08% | 00.0% | Unchanged |
| Summit Financial, LLC | 1,990 | $379.3K | 0.01% | −115−5.5% | Reduced |
| Wetherby Asset Management Inc | 1,971 | $375.6K | 0.02% | +133+7.2% | Added |
| CNB Bank | 1,964 | $374.3K | 0.16% | −366−15.7% | Reduced |
| Vise Technologies, Inc. | 1,953 | $372.2K | 0.01% | −1,453−42.7% | Reduced |
| Silver Lake Advisory, LLC | 1,943 | $370.3K | 0.15% | +9+0.5% | Added |
| BCS Private Wealth Management, Inc. | 1,925 | $366.9K | 0.13% | +195+11.3% | Added |
| Greenspring Advisors, LLC | 1,918 | $365.5K | 0.06% | +1,918 | New |
| S.A. Mason LLC | 1,900 | $362.1K | 0.16% | 00.0% | Unchanged |
| First American Trust, FSB | 1,897 | $361.6K | 0.03% | +699+58.3% | Added |
| Mather Group, LLC. | 1,892 | $360.6K | 0.00% | +435+29.9% | Added |
| AXA Investment Managers S.A. | 1,881 | $358.5K | 0.00% | +1,881 | New |
| NorthCrest Asset Manangement, LLC | 1,970 | $358.3K | 0.01% | +24+1.2% | Added |
| Commonwealth Financial Services, LLC | 1,876 | $357.5K | 0.06% | −189−9.2% | Reduced |
| O'Keefe Stevens Advisory, Inc. | 1,875 | $357.3K | 0.10% | −625−25.0% | Reduced |
| PFG Investments, LLC | 1,867 | $355.9K | 0.02% | −85−4.4% | Reduced |
| Hager Investment Management Services, LLC | 1,851 | $352.8K | 0.19% | −1−0.1% | Reduced |
| Franklin Street Advisors Inc | 1,838 | $350.3K | 0.02% | 00.0% | Unchanged |
| Koshinski Asset Management, Inc. | 1,836 | $349.9K | 0.02% | +136+8.0% | Added |
| Truvestments Capital LLC | 1,834 | $349.5K | 0.06% | −66−3.5% | Reduced |
| Ci Investments Inc. | 1,827 | $348.0K | 0.00% | −967−34.6% | Reduced |
| Motley Fool Asset Management LLC | 1,821 | $347.0K | 0.01% | +32+1.8% | Added |
| Schnieders Capital Management, LLC. | 1,817 | $346.3K | 0.06% | +1,817 | New |
| Washington Capital Management Inc | 1,805 | $344.0K | 0.25% | −150−7.7% | Reduced |
| Gryphon Financial Partners LLC | 1,792 | $341.5K | 0.04% | −52−2.8% | Reduced |
| Evercore Wealth Management, LLC | 1,786 | $340.4K | 0.00% | −19−1.1% | Reduced |
| David R. Rahn & Associates Inc. | 1,768 | $336.9K | 0.08% | +1,768 | New |
| Dorsey & Whitney Trust CO LLC | 1,760 | $335.4K | 0.02% | 00.0% | Unchanged |
| Lane Generational LLC | 1,742 | $332.0K | 0.28% | 00.0% | Unchanged |
| Legacy Financial Advisors, Inc. | 1,734 | $330.4K | 0.05% | −65−3.6% | Reduced |
| River Wealth Advisors LLC | 1,723 | $328.3K | 0.04% | +4+0.2% | Added |
| David Loasby | 1,796 | $326.7K | 0.03% | −1,048−36.8% | Reduced |
| Ballast, Inc. | 1,712 | $326.3K | 0.08% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 1,711 | $326.1K | 0.00% | −101−5.6% | Reduced |
| Regions Financial Corp | 1,704 | $324.7K | 0.00% | +150+9.7% | Added |
| Gabelli Funds LLC | 1,700 | $324.0K | 0.00% | +100+6.3% | Added |
| Mount Yale Investment Advisors, LLC | 1,697 | $323.5K | 0.02% | −1,387−45.0% | Reduced |
| Severin Investments, LLC | 1,695 | $323.0K | 0.29% | +15+0.9% | Added |
| Davenport & Co LLC | 1,688 | $321.7K | 0.00% | +18+1.1% | Added |
| Hilltop Holdings Inc. | 1,688 | $321.7K | 0.02% | +94+5.9% | Added |
| Rehmann Capital Advisory Group | 1,694 | $317.1K | 0.02% | −256−13.1% | Reduced |
| Signaturefd, LLC | 1,644 | $313.3K | 0.00% | −130−7.3% | Reduced |
| Allworth Financial LP | 1,643 | $313.1K | 0.00% | +121+8.0% | Added |
| Summitry LLC | 1,640 | $312.6K | 0.01% | +1,640 | New |
| SWMG, LLC | 1,700 | $311.5K | 0.09% | +1,700 | New |
| Gen-Wealth Partners Inc | 1,634 | $311.4K | 0.11% | −66−3.9% | Reduced |
| Washington Trust Co | 1,634 | $311.4K | 0.01% | +1,634 | New |
| Brevan Howard Capital Management LP | 1,631 | $310.8K | 0.00% | +471+40.6% | Added |
| Mill Capital Management, LLC | 1,620 | $308.7K | 0.02% | 00.0% | Unchanged |
| Bayforest Capital Ltd | 1,619 | $308.5K | 0.15% | +1,619 | New |
| Snowden Capital Advisors LLC | 1,616 | $308.0K | 0.01% | −77−4.5% | Reduced |
| Tradewinds, LLC. | 1,608 | $306.5K | 0.07% | +1,608 | New |
| Sentry LLC | 1,600 | $304.9K | 0.08% | 00.0% | Unchanged |
| Allegheny Financial Group LTD | 1,597 | $304.4K | 0.06% | 00.0% | Unchanged |
| Citizens & Northern Corp | 1,574 | $300.0K | 0.07% | −146−8.5% | Reduced |
| Integrated Advisors Network LLC | 1,564 | $298.0K | 0.01% | −19−1.2% | Reduced |
| Tiaa Trust, National Association | 1,559 | $297.1K | 0.00% | −23−1.5% | Reduced |
| True North Advisors, LLC | 1,554 | $296.2K | 0.05% | +61+4.1% | Added |
| Brookstone Capital Management | 1,545 | $294.5K | 0.00% | −1,419−47.9% | Reduced |
| Crestwood Advisors Group LLC | 1,536 | $292.7K | 0.00% | +308+25.1% | Added |
| Skopos Labs, Inc. | 1,644 | $292.2K | 0.04% | −29−1.7% | Reduced |
| Turtle Creek Wealth Advisors, LLC | 1,531 | $291.8K | 0.03% | +183+13.6% | Added |
| Cary Street Partner Investment Advisory LLC | 1,529 | $291.2K | 0.12% | +452+42.0% | Added |
| Eads & Heald Wealth Management | 1,518 | $289.0K | 0.14% | −45−2.9% | Reduced |
| Kentucky Trust Co | 1,506 | $287.0K | 0.16% | 00.0% | Unchanged |
| Ransom Advisory, Ltd | 1,500 | $285.9K | 0.13% | −200−11.8% | Reduced |
| Marex Group plc | 1,500 | $285.9K | 0.00% | 00.0% | Unchanged |
| PKO Investment Management Joint-Stock Co | 1,500 | $285.9K | 0.02% | +1,500 | New |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 1,481 | $282.3K | 0.01% | +1,481 | New |
| Stratos Wealth Partners, LTD. | 1,479 | $281.9K | 0.00% | +1,479 | New |
| Evermay Wealth Management LLC | 1,478 | $281.7K | 0.03% | −21−1.4% | Reduced |
| Bradley Foster & Sargent Inc | 1,478 | $281.7K | 0.00% | −19−1.3% | Reduced |
| Centurion Wealth Management LLC | 1,460 | $278.2K | 0.06% | +1,460 | New |
| Ironsides Asset Advisors, LLC | 1,455 | $277.3K | 0.07% | −35−2.3% | Reduced |
| Pinnacle Financial Partners Inc | 1,449 | $276.2K | 0.01% | −82−5.4% | Reduced |
| Profund Advisors LLC | 1,444 | $275.2K | 0.01% | +21+1.5% | Added |