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, Q1 2026
Institutional positions in Quest Diagnostics Inc as of Mar 31, 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
- 1,069
- +36 vs. Q4 2025
- Shares held
- 102.6M
- +12.5M (+13.8%) vs. Q4 2025
- Total value
- $20.1B
- +$4.48B (+28.7%) vs. Q4 2025
- New holders
- 123
- 352 more added
- Sold out
- 87
- 382 more reduced
17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Shufro Rose & Co LLC | 2,622 | $513.9K | 0.04% | 00.0% | Unchanged |
| FWL Investment Management, LLC | 2,600 | $509.5K | 0.11% | +2,600 | New |
| Pinebridge Investments LLC | 2,574 | $504.5K | 0.00% | +2,574 | New |
| Farther Finance Advisors, LLC | 2,538 | $501.7K | 0.00% | −105−4.0% | Reduced |
| Procyon Private Wealth Partners, LLC | 2,537 | $497.2K | 0.02% | +2,537 | New |
| BankPlus Wealth Management LLC | 2,524 | $495.1K | 0.26% | −22−0.9% | Reduced |
| Gateway Wealth Partners, LLC | 2,516 | $493.0K | 0.02% | +2,516 | New |
| Investment House LLC | 2,503 | $490.5K | 0.03% | 00.0% | Unchanged |
| IHT Wealth Management, LLC | 2,503 | $490.5K | 0.01% | +22+0.9% | Added |
| Searle & Co. | 2,500 | $489.9K | 0.12% | 00.0% | Unchanged |
| Mitchell McLeod Pugh & Williams Inc | 2,494 | $488.8K | 0.07% | 00.0% | Unchanged |
| Alps Advisors Inc | 2,483 | $486.6K | 0.00% | −30−1.2% | Reduced |
| Summit Financial, LLC | 2,483 | $486.6K | 0.01% | +294+13.4% | Added |
| Jericho Financial, LLP | 2,482 | $486.4K | 0.31% | −140−5.3% | Reduced |
| Acropolis Investment Management, LLC | 2,476 | $485.2K | 0.02% | −117−4.5% | Reduced |
| Diversify Advisory Services, LLC | 2,556 | $483.8K | 0.07% | −769−23.1% | Reduced |
| Greenspring Advisors, LLC | 2,445 | $479.2K | 0.03% | +3+0.1% | Added |
| Quadrant Capital Group LLC | 2,404 | $471.1K | 0.01% | +131+5.8% | Added |
| Genesee Capital Advisors, LLC | 2,397 | $469.7K | 0.20% | +11+0.5% | Added |
| WSFS Capital Management, LLC | 2,373 | $465.1K | 0.02% | +2,373 | New |
| Raab & Moskowitz Asset Management LLC | 2,371 | $464.7K | 0.10% | 00.0% | Unchanged |
| Ironsides Asset Advisors, LLC | 2,366 | $463.7K | 0.12% | +116+5.2% | Added |
| First Wilshire Securities Management Inc | 2,350 | $460.6K | 0.10% | 00.0% | Unchanged |
| Waters Parkerson & Co., LLC | 2,350 | $460.6K | 0.02% | 00.0% | Unchanged |
| Meiji Yasuda Asset Management Co Ltd. | 2,322 | $455.1K | 0.02% | −15−0.6% | Reduced |
| RD Lewis Holdings, Inc. | 2,298 | $454.6K | 0.39% | 00.0% | Unchanged |
| Maple Capital Management, Inc. | 2,313 | $453.3K | 0.03% | −757−24.7% | Reduced |
| RSM US Wealth Management LLC | 2,261 | $443.1K | 0.01% | −973−30.1% | Reduced |
| WealthShield Partners, LLC | 2,221 | $435.3K | 0.05% | −85−3.7% | Reduced |
| Walleye Capital LLC | 2,218 | $434.7K | 0.00% | −13,861−86.2% | Reduced |
| Keudell/Morrison Wealth Management | 2,203 | $431.7K | 0.09% | +7+0.3% | Added |
| DRW Securities, LLC | 2,175 | $426.3K | 0.02% | +247+12.8% | Added |
| Montecito Bank & Trust | 2,154 | $422.1K | 0.07% | −320−12.9% | Reduced |
| TCG Advisory Services, LLC | 2,128 | $417.1K | 0.01% | +189+9.7% | Added |
| Crestwood Advisors Group LLC | 2,125 | $416.5K | 0.01% | −577−21.4% | Reduced |
| Moors & Cabot, Inc. | 2,116 | $414.8K | 0.02% | −548−20.6% | Reduced |
| Lester Murray Antman dba SimplyRich | 2,111 | $413.0K | 0.11% | +45+2.2% | Added |
| AlphaGrep UK Ltd | 2,106 | $412.7K | 0.12% | +705+50.3% | Added |
| Tower Research Capital LLC (TRC) | 2,077 | $407.1K | 0.01% | −2,766−57.1% | Reduced |
| Koshinski Asset Management, Inc. | 2,062 | $404.1K | 0.03% | +84+4.2% | Added |
| Guggenheim Capital LLC | 2,043 | $400.4K | 0.00% | −408−16.6% | Reduced |
| John G Ullman & Associates Inc | 2,032 | $398.2K | 0.05% | +100+5.2% | Added |
| Sagespring Wealth Partners, LLC | 2,027 | $397.3K | 0.01% | −161−7.4% | Reduced |
| Gratus Wealth Advisors, LLC | 2,012 | $394.3K | 0.06% | −70−3.4% | Reduced |
| Flagship Harbor Advisors, LLC | 2,012 | $394.3K | 0.02% | 00.0% | Unchanged |
| BCS Private Wealth Management, Inc. | 2,000 | $392.0K | 0.12% | −15−0.7% | Reduced |
| Holderness Investments Co | 2,000 | $392.0K | 0.08% | 00.0% | Unchanged |
| Cypress Capital Group | 2,000 | $392.0K | 0.04% | 00.0% | Unchanged |
| Chilton Investment Co LLC | 2,000 | $392.0K | 0.01% | +2,000 | New |
| Brighton Jones LLC | 1,987 | $389.4K | 0.01% | +1,987 | New |
| Commonwealth Financial Services, LLC | 1,980 | $388.1K | 0.06% | +172+9.5% | Added |
| E Fund Management Co., Ltd. | 1,958 | $383.7K | 0.01% | +1,958 | New |
| Brookstone Capital Management | 1,951 | $382.3K | 0.00% | +668+52.1% | Added |
| First American Trust, FSB | 1,913 | $375.0K | 0.03% | +16+0.8% | Added |
| Snowden Capital Advisors LLC | 1,911 | $374.5K | 0.01% | +95+5.2% | Added |
| Silver Lake Advisory, LLC | 1,910 | $374.2K | 0.15% | −41−2.1% | Reduced |
| S.A. Mason LLC | 1,900 | $372.4K | 0.14% | 00.0% | Unchanged |
| Gabelli Funds LLC | 1,900 | $372.4K | 0.00% | +200+11.8% | Added |
| Brown Brothers Harriman & Co | 1,876 | $367.7K | 0.00% | +1,170+165.7% | Added |
| O'Keefe Stevens Advisory, Inc. | 1,875 | $367.5K | 0.09% | 00.0% | Unchanged |
| Wealthspire Advisors, LLC | 1,872 | $366.9K | 0.00% | −1,993−51.6% | Reduced |
| Old North State Trust, LLC | 1,853 | $363.0K | 0.22% | +298+19.2% | Added |
| Advisor OS, LLC | 1,848 | $362.2K | 0.03% | +1,848 | New |
| Legacy Capital Wealth Partners, LLC | 1,823 | $357.2K | 0.07% | −466−20.4% | Reduced |
| PFG Investments, LLC | 1,823 | $357.2K | 0.02% | −50−2.7% | Reduced |
| Schnieders Capital Management, LLC. | 1,817 | $356.1K | 0.06% | 00.0% | Unchanged |
| Gryphon Financial Partners LLC | 1,813 | $355.3K | 0.04% | −11−0.6% | Reduced |
| Brevan Howard Capital Management LP | 1,806 | $353.9K | 0.00% | −10,118−84.9% | Reduced |
| Inscription Capital, LLC | 1,801 | $353.0K | 0.04% | −82−4.4% | Reduced |
| Evercore Wealth Management, LLC | 1,786 | $350.0K | 0.01% | 00.0% | Unchanged |
| Washington Capital Management Inc | 1,780 | $348.8K | 0.29% | 00.0% | Unchanged |
| Evoke Wealth, LLC | 1,777 | $348.4K | 0.01% | −451−20.2% | Reduced |
| denkapparat Operations GmbH | 1,774 | $347.7K | 0.14% | +1,774 | New |
| Banque Cantonale Vaudoise | 1,762 | $346.0K | 0.01% | −5,219−74.8% | Reduced |
| Ascent Group, LLC | 1,765 | $345.9K | 0.01% | +1,765 | New |
| Destination Wealth Management | 1,763 | $345.5K | 0.01% | −35−1.9% | Reduced |
| Motley Fool Asset Management LLC | 1,755 | $343.9K | 0.01% | −17−1.0% | Reduced |
| First Financial Bank - Trust Division | 1,753 | $343.6K | 0.03% | −787−31.0% | Reduced |
| Colter Lewis Investment Partners LLC | 1,751 | $343.2K | 0.32% | 00.0% | Unchanged |
| Lane Generational LLC | 1,742 | $341.4K | 0.27% | 00.0% | Unchanged |
| Merrithew & Thorsten Inc | 1,740 | $341.0K | 0.32% | +8+0.5% | Added |
| Advisory Advocates, LLC | 1,725 | $338.1K | 0.35% | −96−5.3% | Reduced |
| Aurdan Capital Management, LLC | 1,723 | $337.7K | 0.10% | −714−29.3% | Reduced |
| Dorsey & Whitney Trust CO LLC | 1,718 | $336.7K | 0.02% | −18−1.0% | Reduced |
| Ballast, Inc. | 1,712 | $335.5K | 0.08% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 1,705 | $334.1K | 0.01% | −2,336−57.8% | Reduced |
| Optas, LLC | 1,704 | $333.9K | 0.05% | −143−7.7% | Reduced |
| Regions Financial Corp | 1,704 | $333.9K | 0.00% | 00.0% | Unchanged |
| SWMG, LLC | 1,700 | $333.2K | 0.10% | −30−1.7% | Reduced |
| Signaturefd, LLC | 1,699 | $333.0K | 0.01% | +61+3.7% | Added |
| DoubleLine ETF Adviser LP | 1,672 | $327.7K | 0.12% | +1,672 | New |
| Allworth Financial LP | 1,669 | $327.1K | 0.00% | +45+2.8% | Added |
| SeaCrest Wealth Management, LLC | 1,668 | $326.9K | 0.03% | −76−4.4% | Reduced |
| Teacher Retirement System of Texas | 1,662 | $325.7K | 0.00% | −2,032−55.0% | Reduced |
| HighPoint Advisor Group LLC | 1,659 | $325.1K | 0.01% | −7,232−81.3% | Reduced |
| River Wealth Advisors LLC | 1,639 | $321.1K | 0.04% | −84−4.9% | Reduced |
| Acorn Creek Capital LLC | 1,635 | $320.4K | 0.11% | +1,635 | New |
| Kera Capital Partners, Inc. | 1,634 | $320.2K | 0.04% | −146−8.2% | Reduced |
| Summitry LLC | 1,630 | $319.4K | 0.01% | −344−17.4% | Reduced |
| HBK Sorce Advisory LLC | 1,703 | $319.1K | 0.01% | −139−7.5% | Reduced |