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 |
|---|---|---|---|---|---|
| Hennion & Walsh Asset Management, Inc. | 8,240 | $1.61M | 0.05% | +957+13.1% | Added |
| Benjamin Edwards Inc | 8,204 | $1.61M | 0.02% | +776+10.4% | Added |
| Vident Advisory, LLC | 8,164 | $1.60M | 0.01% | +3,109+61.5% | Added |
| Picton Mahoney Asset Management | 8,030 | $1.57M | 0.02% | +8,023+114,614.3% | Added |
| Investment Management Corp of Ontario | 7,997 | $1.57M | 0.02% | +500+6.7% | Added |
| Integrity Alliance, LLC. | 7,924 | $1.55M | 0.06% | −53−0.7% | Reduced |
| Bokf, NA | 7,750 | $1.52M | 0.02% | −12,653−62.0% | Reduced |
| Agp Franklin, LLC | 7,698 | $1.51M | 0.75% | −252−3.2% | Reduced |
| Hilltop National Bank | 7,631 | $1.50M | 0.36% | +50+0.7% | Added |
| Laird Norton Trust Company, LLC | 7,614 | $1.49M | 0.03% | +34+0.4% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 7,598 | $1.49M | 0.02% | −1,444−16.0% | Reduced |
| Miller Investment Management, LP | 7,586 | $1.49M | 0.15% | 00.0% | Unchanged |
| Parsons Capital Management Inc | 7,585 | $1.49M | 0.07% | −388−4.9% | Reduced |
| AE Wealth Management LLC | 7,543 | $1.48M | 0.01% | +2,596+52.5% | Added |
| Custom Index Systems, LLC | 7,437 | $1.46M | 0.63% | −268−3.5% | Reduced |
| Roundview Capital LLC | 7,422 | $1.45M | 0.09% | 00.0% | Unchanged |
| CX Institutional | 7,366 | $1.44M | 0.04% | +666+9.9% | Added |
| Huntington National Bank | 7,187 | $1.41M | 0.01% | +704+10.9% | Added |
| Brown Advisory Inc | 7,185 | $1.41M | 0.00% | −102−1.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 7,179 | $1.41M | 0.00% | +4,809+202.9% | Added |
| AG2R la Mondiale Gestion D'Actifs | 7,136 | $1.40M | 0.06% | +7,136 | New |
| Dai-Ichi Life Insurance Company, Ltd | 7,033 | $1.38M | 0.04% | +1,836+35.3% | Added |
| Federation des caisses Desjardins du Quebec | 6,969 | $1.37M | 0.00% | −1,988−22.2% | Reduced |
| Borer Denton & Associates, Inc. | 6,812 | $1.34M | 0.48% | −100−1.4% | Reduced |
| Pinnacle Financial Partners, Inc. | 6,744 | $1.32M | 0.01% | +5,069+302.6% | Added |
| Vega Investment Solutions | 6,720 | $1.32M | 0.31% | −215−3.1% | Reduced |
| Norinchukin Bank, The | 6,692 | $1.31M | 0.02% | −36−0.5% | Reduced |
| Commerzbank Aktiengesellschaft | 6,686 | $1.31M | 0.03% | +3,665+121.3% | Added |
| AlphaCore Capital LLC | 6,669 | $1.31M | 0.03% | +2,072+45.1% | Added |
| Mizuho Securities USA LLC | 6,650 | $1.30M | 0.03% | −1,450−17.9% | Reduced |
| Apollon Wealth Management, LLC | 6,603 | $1.29M | 0.02% | −507−7.1% | Reduced |
| Exchange Traded Concepts, LLC | 6,533 | $1.28M | 0.01% | −89−1.3% | Reduced |
| Numerai GP LLC | 6,519 | $1.28M | 0.13% | +6,519 | New |
| Klein Pavlis & Peasley Financial, Inc. | 6,488 | $1.27M | 0.70% | +897+16.0% | Added |
| Sanibel Captiva Trust Company, Inc. | 6,486 | $1.27M | 0.04% | +2,290+54.6% | Added |
| Mount Yale Investment Advisors, LLC | 6,452 | $1.26M | 0.03% | +4,089+173.0% | Added |
| Jane Street Group, LLC | 6,429 | $1.26M | 0.00% | −286,305−97.8% | Reduced |
| Union Bancaire Privee, UBP SA | 7,647 | $1.24M | 0.02% | −1,097−12.5% | Reduced |
| Hartford Investment Management Co | 6,288 | $1.23M | 0.04% | −163−2.5% | Reduced |
| Penserra Capital Management LLC | 6,261 | $1.23M | 0.01% | +6,255+104,250.0% | Added |
| YANKCOM Partnership | 6,199 | $1.21M | 0.50% | −47−0.8% | Reduced |
| Siemens Fonds Invest GmbH | 6,188 | $1.21M | 0.07% | 00.0% | Unchanged |
| WBI Investments | 6,057 | $1.19M | 0.33% | +6,057 | New |
| Millington Securities, LLC | 6,057 | $1.19M | 0.33% | +6,057 | New |
| Generali Investments CEE, investicni spolecnost, a.s. | 6,000 | $1.18M | 0.06% | 00.0% | Unchanged |
| Callan Family Office, LLC | 5,979 | $1.17M | 0.03% | −1,254−17.3% | Reduced |
| Merit Financial Group, LLC | 5,937 | $1.16M | 0.01% | −632−9.6% | Reduced |
| Capital Management Associates, Inc | 5,900 | $1.16M | 0.26% | 00.0% | Unchanged |
| Kestra Private Wealth Services, LLC | 5,848 | $1.15M | 0.01% | +2,935+100.8% | Added |
| Arkadios Wealth Advisors | 5,840 | $1.14M | 0.02% | −405−6.5% | Reduced |
| Maryland State Retirement & Pension System | 5,774 | $1.13M | 0.02% | 00.0% | Unchanged |
| XTX Topco Ltd | 5,746 | $1.13M | 0.02% | −5,984−51.0% | Reduced |
| CAPROCK Group, Inc. | 5,714 | $1.12M | 0.03% | +799+16.3% | Added |
| Keybank National Association | 5,699 | $1.12M | 0.00% | −1,806−24.1% | Reduced |
| Freestone Grove Partners LP | 5,690 | $1.12M | 0.01% | −303,524−98.2% | Reduced |
| Louisiana State Employees Retirement System | 5,600 | $1.10M | 0.02% | −100−1.8% | Reduced |
| Modern Wealth Management, LLC | 5,499 | $1.09M | 0.02% | +104+1.9% | Added |
| Bailard, Inc. | 5,545 | $1.09M | 0.02% | +1,499+37.0% | Added |
| Lebenthal Global Advisors, LLC | 5,526 | $1.08M | 0.16% | +329+6.3% | Added |
| Byrne Asset Management LLC | 5,495 | $1.08M | 0.64% | −1,433−20.7% | Reduced |
| Breakwater Capital Group | 5,480 | $1.07M | 0.14% | +5,480 | New |
| Private Advisor Group, LLC | 5,415 | $1.06M | 0.00% | −162−2.9% | Reduced |
| Ofi Invest Asset Management | 5,408 | $1.06M | 0.01% | +1,631+43.2% | Added |
| Integrated Quantitative Investments LLC | 5,382 | $1.05M | 0.19% | −1,277−19.2% | Reduced |
| Nomura Holdings Inc | 5,382 | $1.05M | 0.01% | +4,120+326.5% | Added |
| DLK Investment Management, LLC | 5,248 | $1.03M | 0.41% | 00.0% | Unchanged |
| IMC-Chicago, LLC | 5,227 | $1.02M | 0.02% | +5,227 | New |
| Moss Adams Wealth Advisors LLC | 5,136 | $1.01M | 0.07% | +5,136 | New |
| Concurrent Investment Advisors, LLC | 5,121 | $1.00M | 0.01% | +973+23.5% | Added |
| Warren Averett Asset Management, LLC | 5,114 | $1.00M | 0.01% | +387+8.2% | Added |
| New Mexico Educational Retirement Board | 5,103 | $1.00M | 0.03% | 00.0% | Unchanged |
| J.Safra Asset Management Corp | 5,068 | $993.2K | 0.05% | +23+0.5% | Added |
| Net Worth Advisory Group | 5,023 | $984.4K | 0.20% | −32−0.6% | Reduced |
| Nations Financial Group Inc, | 4,994 | $978.9K | 0.05% | 00.0% | Unchanged |
| Atlas Capital Advisors LLC | 4,952 | $970.5K | 0.11% | 00.0% | Unchanged |
| Martin Capital Partners, LLC | 4,922 | $965.0K | 0.36% | +8+0.2% | Added |
| Wolverine Asset Management LLC | 4,787 | $938.2K | 0.01% | 00.0% | Unchanged |
| Crestmont Private Wealth LLC | 4,719 | $924.8K | 0.29% | +112+2.4% | Added |
| Steward Partners Investment Advisory, LLC | 4,683 | $917.8K | 0.00% | +1,097+30.6% | Added |
| Qtron Investments LLC | 4,619 | $905.2K | 0.12% | +3+0.1% | Added |
| Hardworking Capital Advisors, LLC | 4,529 | $887.6K | 0.83% | −292−6.1% | Reduced |
| MUFG Securities EMEA plc | 4,510 | $883.9K | 0.01% | −50−1.1% | Reduced |
| Osmosis Investment Management UK Ltd | 4,509 | $883.7K | 0.02% | +4,509 | New |
| Needham Investment Management LLC | 4,500 | $881.9K | 0.05% | −3,000−40.0% | Reduced |
| Index Technologies Group LLC | 4,477 | $877.4K | 0.96% | −252−5.3% | Reduced |
| Vestcor Inc | 4,420 | $866.0K | 0.02% | 00.0% | Unchanged |
| MAI Capital Management | 4,416 | $865.5K | 0.00% | +1,025+30.2% | Added |
| Jain Global LLC | 4,378 | $858.0K | 0.01% | +4,378 | New |
| Galvin, Gaustad & Stein, LLC | 4,332 | $849.0K | 0.07% | −619−12.5% | Reduced |
| Harbor Capital Advisors, Inc. | 4,303 | $843.0K | 0.07% | +1,163+37.0% | Added |
| Azzad Asset Management Inc | 4,286 | $839.9K | 0.08% | +14+0.3% | Added |
| V-Square Quantitative Management LLC | 4,276 | $838.0K | 0.09% | +742+21.0% | Added |
| Fulton Bank, N.A. | 4,274 | $837.6K | 0.03% | +94+2.2% | Added |
| Venture Visionary Partners LLC | 4,266 | $836.2K | 0.03% | −13−0.3% | Reduced |
| Sowell Financial Services LLC | 4,243 | $831.5K | 0.03% | +188+4.6% | Added |
| Fiduciary Trust Co | 4,239 | $830.7K | 0.01% | −114−2.6% | Reduced |
| Sigma Planning Corp | 4,220 | $827.1K | 0.02% | −584−12.2% | Reduced |
| Montgomery Investment Management Inc | 4,219 | $826.8K | 0.28% | +10.0% | Added |
| Tokio Marine Asset Management Co Ltd | 4,199 | $822.9K | 0.03% | +269+6.8% | Added |
| Panagora Asset Management Inc | 4,193 | $821.7K | 0.00% | +2,529+152.0% | Added |