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 |
|---|---|---|---|---|---|
| Stegent Equity Advisors, Inc. | 3,061 | $599.9K | 0.51% | +3,061 | New |
| Wedmont Private Capital | 3,034 | $603.2K | 0.02% | +319+11.7% | Added |
| Werlinich Asset Management, LLC | 3,080 | $603.6K | 0.29% | +50+1.7% | Added |
| Personal Cfo Solutions, LLC | 3,087 | $605.1K | 0.08% | +24+0.8% | Added |
| Ossiam | 3,096 | $606.8K | 0.01% | +673+27.8% | Added |
| United Bank | 3,124 | $612.2K | 0.08% | −700−18.3% | Reduced |
| Martin Capital Advisors, LLP | 3,145 | $616.4K | 0.39% | 00.0% | Unchanged |
| Metis Global Partners, LLC | 3,149 | $617.1K | 0.02% | −406−11.4% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 3,171 | $621.5K | 0.01% | −488−13.3% | Reduced |
| Jump Financial, LLC | 3,190 | $625.2K | 0.01% | +1,065+50.1% | Added |
| Gerber Kawasaki Wealth & Investment Management | 3,198 | $625.2K | 0.02% | +3,198 | New |
| North Dakota State Investment Board | 3,222 | $631.4K | 0.03% | −601−15.7% | Reduced |
| Rothschild Capital Partners, LLC | 3,222 | $631.4K | 0.16% | −520−13.9% | Reduced |
| Advisory Services Network, LLC | 3,225 | $632.0K | 0.01% | −293−8.3% | Reduced |
| Pensionmark Financial Group, LLC | 3,252 | $637.3K | 0.01% | +519+19.0% | Added |
| Stephenson National Bank & Trust | 3,253 | $637.5K | 0.18% | +18+0.6% | Added |
| Godshalk Welsh Capital Management, Inc. | 3,275 | $641.8K | 0.37% | −25−0.8% | Reduced |
| OMC Financial Services LTD | 3,279 | $642.6K | 0.25% | 00.0% | Unchanged |
| Kentucky Retirement Systems | 12,007 | $643.0K | 0.05% | +5,008+71.6% | Added |
| TD Private Client Wealth LLC | 3,282 | $643.3K | 0.01% | −418−11.3% | Reduced |
| Meeder Advisory Services, Inc. | 3,306 | $647.8K | 0.03% | −199−5.7% | Reduced |
| Meridian Wealth Management, LLC | 3,352 | $657.0K | 0.02% | 00.0% | Unchanged |
| Vise Technologies, Inc. | 3,808 | $660.8K | 0.01% | 00.0% | Unchanged |
| Chicago Partners Investment Group LLC | 3,270 | $667.1K | 0.01% | −87−2.6% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 3,405 | $667.3K | 0.00% | −1,146−25.2% | Reduced |
| Ascent Wealth Partners, LLC | 3,414 | $669.1K | 0.08% | −80−2.3% | Reduced |
| Bridgewater Associates, LP | 3,471 | $680.2K | 0.00% | −47−1.3% | Reduced |
| First American Bank | 3,472 | $680.4K | 0.04% | +89+2.6% | Added |
| Campbell & CO Investment Adviser LLC | 3,496 | $685.1K | 0.04% | −12,402−78.0% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 3,520 | $689.9K | 0.01% | −35−1.0% | Reduced |
| EP Wealth Advisors, LLC | 3,534 | $692.6K | 0.00% | +61+1.8% | Added |
| Kennebec Savings Bank | 3,547 | $695.1K | 0.62% | −15−0.4% | Reduced |
| Atomi Financial Group, Inc. | 3,601 | $705.8K | 0.02% | +19+0.5% | Added |
| Greenleaf Trust | 3,605 | $706.5K | 0.01% | −130−3.5% | Reduced |
| Tectonic Advisors LLC | 3,607 | $707.0K | 0.04% | +125+3.6% | Added |
| Savant Capital, LLC | 3,609 | $707.2K | 0.00% | +326+9.9% | Added |
| Parallel Advisors, LLC | 3,625 | $710.5K | 0.01% | +242+7.2% | Added |
| Cresset Asset Management, LLC | 3,633 | $712.1K | 0.00% | +71+2.0% | Added |
| Douglass Winthrop Advisors, LLC | 3,686 | $722.4K | 0.01% | 00.0% | Unchanged |
| Diversify Wealth Management, LLC | 3,826 | $724.4K | 0.01% | +3,826 | New |
| New Hampshire Trust | 3,715 | $728.1K | 0.15% | +111+3.1% | Added |
| Avestar Capital, LLC | 3,730 | $731.0K | 0.05% | +26+0.7% | Added |
| Farmers & Merchants Investments Inc | 3,734 | $731.8K | 0.02% | −105−2.7% | Reduced |
| Leavell Investment Management, Inc. | 3,736 | $732.2K | 0.03% | −84−2.2% | Reduced |
| Skopos Labs, Inc. | 3,754 | $735.6K | 0.02% | +1,193+46.6% | Added |
| Sterling Capital Management LLC | 3,755 | $735.9K | 0.01% | −2,854−43.2% | Reduced |
| Vinva Investment Management Ltd | 3,753 | $739.9K | 0.01% | +3,753 | New |
| Beacon Pointe Advisors, LLC | 3,791 | $743.0K | 0.00% | +793+26.5% | Added |
| Spirit of America Management Corp | 3,800 | $744.7K | 0.15% | 00.0% | Unchanged |
| Bessemer Group Inc | 3,816 | $747.0K | 0.00% | +732+23.7% | Added |
| Burney Co | 3,822 | $749.0K | 0.02% | −51−1.3% | Reduced |
| Courier Capital LLC | 3,844 | $753.4K | 0.04% | 00.0% | Unchanged |
| Savvy Advisors, Inc. | 3,860 | $756.5K | 0.02% | +736+23.6% | Added |
| Kingswood Wealth Advisors, LLC | 3,868 | $758.1K | 0.04% | +91+2.4% | Added |
| Resources Investment Advisors, LLC. | 3,868 | $758.1K | 0.01% | −400−9.4% | Reduced |
| GAMMA Investing LLC | 3,884 | $761.2K | 0.04% | +394+11.3% | Added |
| Permanent Capital Management, LP | 3,946 | $766.3K | 0.12% | +3,946 | New |
| E. Ohman J:or Asset Management AB | 3,950 | $774.1K | 0.02% | −550−12.2% | Reduced |
| Empirical Finance, LLC | 3,957 | $775.5K | 0.04% | −8−0.2% | Reduced |
| RWM Asset Management, LLC | 4,000 | $783.9K | 0.09% | 00.0% | Unchanged |
| United Capital Financial Advisers, LLC | 4,008 | $785.4K | 0.00% | +775+24.0% | Added |
| Lifeworks Advisors, LLC | 4,020 | $787.8K | 0.10% | −235−5.5% | Reduced |
| Transamerica Financial Advisors, Inc. | 4,024 | $788.6K | 0.07% | +3,390+534.7% | Added |
| Sawyer & Company, Inc | 4,091 | $801.7K | 0.31% | 00.0% | Unchanged |
| Wesbanco Bank Inc | 4,092 | $802.0K | 0.02% | −118−2.8% | Reduced |
| Saudi Central Bank | 4,106 | $804.7K | 0.02% | +4,106 | New |
| Alamea Verwaltungs GmbH | 4,108 | $805.1K | 0.60% | +39+1.0% | Added |
| Independent Advisor Alliance | 4,128 | $809.0K | 0.01% | −170−4.0% | Reduced |
| Edmond de Rothschild Holding S.A. | 4,182 | $819.6K | 0.01% | +1,446+52.9% | Added |
| Panagora Asset Management Inc | 4,193 | $821.7K | 0.00% | +2,529+152.0% | Added |
| Tokio Marine Asset Management Co Ltd | 4,199 | $822.9K | 0.03% | +269+6.8% | Added |
| Montgomery Investment Management Inc | 4,219 | $826.8K | 0.28% | +10.0% | Added |
| Sigma Planning Corp | 4,220 | $827.1K | 0.02% | −584−12.2% | Reduced |
| Fiduciary Trust Co | 4,239 | $830.7K | 0.01% | −114−2.6% | Reduced |
| Sowell Financial Services LLC | 4,243 | $831.5K | 0.03% | +188+4.6% | Added |
| Venture Visionary Partners LLC | 4,266 | $836.2K | 0.03% | −13−0.3% | Reduced |
| Fulton Bank, N.A. | 4,274 | $837.6K | 0.03% | +94+2.2% | Added |
| V-Square Quantitative Management LLC | 4,276 | $838.0K | 0.09% | +742+21.0% | Added |
| Azzad Asset Management Inc | 4,286 | $839.9K | 0.08% | +14+0.3% | Added |
| Harbor Capital Advisors, Inc. | 4,303 | $843.0K | 0.07% | +1,163+37.0% | Added |
| Galvin, Gaustad & Stein, LLC | 4,332 | $849.0K | 0.07% | −619−12.5% | Reduced |
| Jain Global LLC | 4,378 | $858.0K | 0.01% | +4,378 | New |
| MAI Capital Management | 4,416 | $865.5K | 0.00% | +1,025+30.2% | Added |
| Vestcor Inc | 4,420 | $866.0K | 0.02% | 00.0% | Unchanged |
| Index Technologies Group LLC | 4,477 | $877.4K | 0.96% | −252−5.3% | Reduced |
| Needham Investment Management LLC | 4,500 | $881.9K | 0.05% | −3,000−40.0% | Reduced |
| Osmosis Investment Management UK Ltd | 4,509 | $883.7K | 0.02% | +4,509 | New |
| MUFG Securities EMEA plc | 4,510 | $883.9K | 0.01% | −50−1.1% | Reduced |
| Hardworking Capital Advisors, LLC | 4,529 | $887.6K | 0.83% | −292−6.1% | Reduced |
| Qtron Investments LLC | 4,619 | $905.2K | 0.12% | +3+0.1% | Added |
| Steward Partners Investment Advisory, LLC | 4,683 | $917.8K | 0.00% | +1,097+30.6% | Added |
| Crestmont Private Wealth LLC | 4,719 | $924.8K | 0.29% | +112+2.4% | Added |
| Wolverine Asset Management LLC | 4,787 | $938.2K | 0.01% | 00.0% | Unchanged |
| Martin Capital Partners, LLC | 4,922 | $965.0K | 0.36% | +8+0.2% | Added |
| Atlas Capital Advisors LLC | 4,952 | $970.5K | 0.11% | 00.0% | Unchanged |
| Nations Financial Group Inc, | 4,994 | $978.9K | 0.05% | 00.0% | Unchanged |
| Net Worth Advisory Group | 5,023 | $984.4K | 0.20% | −32−0.6% | Reduced |
| J.Safra Asset Management Corp | 5,068 | $993.2K | 0.05% | +23+0.5% | Added |
| New Mexico Educational Retirement Board | 5,103 | $1.00M | 0.03% | 00.0% | Unchanged |
| Warren Averett Asset Management, LLC | 5,114 | $1.00M | 0.01% | +387+8.2% | Added |