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 |
|---|---|---|---|---|---|
| Concurrent Investment Advisors, LLC | 5,121 | $1.00M | 0.01% | +973+23.5% | Added |
| Moss Adams Wealth Advisors LLC | 5,136 | $1.01M | 0.07% | +5,136 | New |
| IMC-Chicago, LLC | 5,227 | $1.02M | 0.02% | +5,227 | New |
| DLK Investment Management, LLC | 5,248 | $1.03M | 0.41% | 00.0% | Unchanged |
| 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 |
| Ofi Invest Asset Management | 5,408 | $1.06M | 0.01% | +1,631+43.2% | Added |
| Private Advisor Group, LLC | 5,415 | $1.06M | 0.00% | −162−2.9% | Reduced |
| Breakwater Capital Group | 5,480 | $1.07M | 0.14% | +5,480 | New |
| Byrne Asset Management LLC | 5,495 | $1.08M | 0.64% | −1,433−20.7% | Reduced |
| Lebenthal Global Advisors, LLC | 5,526 | $1.08M | 0.16% | +329+6.3% | Added |
| Bailard, Inc. | 5,545 | $1.09M | 0.02% | +1,499+37.0% | Added |
| Modern Wealth Management, LLC | 5,499 | $1.09M | 0.02% | +104+1.9% | Added |
| Louisiana State Employees Retirement System | 5,600 | $1.10M | 0.02% | −100−1.8% | Reduced |
| Freestone Grove Partners LP | 5,690 | $1.12M | 0.01% | −303,524−98.2% | Reduced |
| Keybank National Association | 5,699 | $1.12M | 0.00% | −1,806−24.1% | Reduced |
| CAPROCK Group, Inc. | 5,714 | $1.12M | 0.03% | +799+16.3% | Added |
| XTX Topco Ltd | 5,746 | $1.13M | 0.02% | −5,984−51.0% | Reduced |
| Maryland State Retirement & Pension System | 5,774 | $1.13M | 0.02% | 00.0% | Unchanged |
| Arkadios Wealth Advisors | 5,840 | $1.14M | 0.02% | −405−6.5% | Reduced |
| Kestra Private Wealth Services, LLC | 5,848 | $1.15M | 0.01% | +2,935+100.8% | Added |
| Capital Management Associates, Inc | 5,900 | $1.16M | 0.26% | 00.0% | Unchanged |
| Merit Financial Group, LLC | 5,937 | $1.16M | 0.01% | −632−9.6% | Reduced |
| Callan Family Office, LLC | 5,979 | $1.17M | 0.03% | −1,254−17.3% | Reduced |
| Generali Investments CEE, investicni spolecnost, a.s. | 6,000 | $1.18M | 0.06% | 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 |
| Siemens Fonds Invest GmbH | 6,188 | $1.21M | 0.07% | 00.0% | Unchanged |
| YANKCOM Partnership | 6,199 | $1.21M | 0.50% | −47−0.8% | Reduced |
| Penserra Capital Management LLC | 6,261 | $1.23M | 0.01% | +6,255+104,250.0% | Added |
| Hartford Investment Management Co | 6,288 | $1.23M | 0.04% | −163−2.5% | Reduced |
| Union Bancaire Privee, UBP SA | 7,647 | $1.24M | 0.02% | −1,097−12.5% | Reduced |
| Jane Street Group, LLC | 6,429 | $1.26M | 0.00% | −286,305−97.8% | Reduced |
| Mount Yale Investment Advisors, LLC | 6,452 | $1.26M | 0.03% | +4,089+173.0% | Added |
| Sanibel Captiva Trust Company, Inc. | 6,486 | $1.27M | 0.04% | +2,290+54.6% | Added |
| Klein Pavlis & Peasley Financial, Inc. | 6,488 | $1.27M | 0.70% | +897+16.0% | Added |
| Numerai GP LLC | 6,519 | $1.28M | 0.13% | +6,519 | New |
| Exchange Traded Concepts, LLC | 6,533 | $1.28M | 0.01% | −89−1.3% | Reduced |
| Apollon Wealth Management, LLC | 6,603 | $1.29M | 0.02% | −507−7.1% | Reduced |
| Mizuho Securities USA LLC | 6,650 | $1.30M | 0.03% | −1,450−17.9% | Reduced |
| AlphaCore Capital LLC | 6,669 | $1.31M | 0.03% | +2,072+45.1% | Added |
| Commerzbank Aktiengesellschaft | 6,686 | $1.31M | 0.03% | +3,665+121.3% | Added |
| Norinchukin Bank, The | 6,692 | $1.31M | 0.02% | −36−0.5% | Reduced |
| Vega Investment Solutions | 6,720 | $1.32M | 0.31% | −215−3.1% | Reduced |
| Pinnacle Financial Partners, Inc. | 6,744 | $1.32M | 0.01% | +5,069+302.6% | Added |
| Borer Denton & Associates, Inc. | 6,812 | $1.34M | 0.48% | −100−1.4% | Reduced |
| Federation des caisses Desjardins du Quebec | 6,969 | $1.37M | 0.00% | −1,988−22.2% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 7,033 | $1.38M | 0.04% | +1,836+35.3% | Added |
| AG2R la Mondiale Gestion D'Actifs | 7,136 | $1.40M | 0.06% | +7,136 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 7,179 | $1.41M | 0.00% | +4,809+202.9% | Added |
| Brown Advisory Inc | 7,185 | $1.41M | 0.00% | −102−1.4% | Reduced |
| Huntington National Bank | 7,187 | $1.41M | 0.01% | +704+10.9% | Added |
| CX Institutional | 7,366 | $1.44M | 0.04% | +666+9.9% | Added |
| Roundview Capital LLC | 7,422 | $1.45M | 0.09% | 00.0% | Unchanged |
| Custom Index Systems, LLC | 7,437 | $1.46M | 0.63% | −268−3.5% | Reduced |
| AE Wealth Management LLC | 7,543 | $1.48M | 0.01% | +2,596+52.5% | Added |
| Parsons Capital Management Inc | 7,585 | $1.49M | 0.07% | −388−4.9% | Reduced |
| Miller Investment Management, LP | 7,586 | $1.49M | 0.15% | 00.0% | Unchanged |
| BI Asset Management Fondsmaeglerselskab A/S | 7,598 | $1.49M | 0.02% | −1,444−16.0% | Reduced |
| Laird Norton Trust Company, LLC | 7,614 | $1.49M | 0.03% | +34+0.4% | Added |
| Hilltop National Bank | 7,631 | $1.50M | 0.36% | +50+0.7% | Added |
| Agp Franklin, LLC | 7,698 | $1.51M | 0.75% | −252−3.2% | Reduced |
| Bokf, NA | 7,750 | $1.52M | 0.02% | −12,653−62.0% | Reduced |
| Integrity Alliance, LLC. | 7,924 | $1.55M | 0.06% | −53−0.7% | Reduced |
| Investment Management Corp of Ontario | 7,997 | $1.57M | 0.02% | +500+6.7% | Added |
| Picton Mahoney Asset Management | 8,030 | $1.57M | 0.02% | +8,023+114,614.3% | Added |
| Vident Advisory, LLC | 8,164 | $1.60M | 0.01% | +3,109+61.5% | Added |
| Benjamin Edwards Inc | 8,204 | $1.61M | 0.02% | +776+10.4% | Added |
| Hennion & Walsh Asset Management, Inc. | 8,240 | $1.61M | 0.05% | +957+13.1% | Added |
| ASR Vermogensbeheer N.V. | 8,291 | $1.62M | 0.02% | +185+2.3% | Added |
| Danica Pension, Livsforsikringsaktieselskab | 8,322 | $1.63M | 0.03% | −53,024−86.4% | Reduced |
| Arjuna Capital | 8,329 | $1.63M | 0.42% | −1,134−12.0% | Reduced |
| Principal Securities, Inc. | 8,379 | $1.64M | 0.02% | +4,073+94.6% | Added |
| Fort Washington Investment Advisors Inc | 8,462 | $1.66M | 0.01% | −1,047−11.0% | Reduced |
| Rafferty Asset Management, LLC | 8,498 | $1.67M | 0.01% | −3,477−29.0% | Reduced |
| Levin Capital Strategies, L.P. | 8,500 | $1.67M | 0.13% | +6,700+372.2% | Added |
| Crossmark Global Holdings, Inc. | 8,504 | $1.67M | 0.02% | +10.0% | Added |
| Gulf International Bank (UK) Ltd | 8,523 | $1.67M | 0.04% | +2,685+46.0% | Added |
| Everence Capital Management Inc | 8,530 | $1.67M | 0.10% | 00.0% | Unchanged |
| VCI Wealth Management LLC | 8,662 | $1.70M | 0.47% | −761−8.1% | Reduced |
| Havemeyer Place LP | 8,663 | $1.70M | 0.20% | +8,261+2,055.0% | Added |
| Private Capital Management, LLC | 8,700 | $1.71M | 0.17% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 8,736 | $1.71M | 0.01% | 00.0% | Unchanged |
| American National Bank | 8,942 | $1.75M | 0.17% | −214−2.3% | Reduced |
| Landscape Capital Management, L.L.C. | 8,950 | $1.75M | 0.11% | +8,950 | New |
| Ameritas Investment Partners, Inc. | 8,972 | $1.76M | 0.05% | −146−1.6% | Reduced |
| Park Avenue Securities LLC | 9,207 | $1.80M | 0.01% | +3,200+53.3% | Added |
| Thoroughbred Financial Services, LLC | 9,211 | $1.80M | 0.11% | +10.0% | Added |
| Somerset Trust Co | 9,238 | $1.81M | 0.56% | +127+1.4% | Added |
| Naples Global Advisors, LLC | 9,325 | $1.83M | 0.13% | +88+1.0% | Added |
| Avanza Fonder AB | 9,369 | $1.84M | 0.05% | 00.0% | Unchanged |
| Ashton Thomas Private Wealth, LLC | 9,370 | $1.84M | 0.04% | +406+4.5% | Added |
| O'Shaughnessy Asset Management, LLC | 9,412 | $1.84M | 0.01% | +1,606+20.6% | Added |
| Highview Capital Management LLC | 9,501 | $1.86M | 0.68% | +683+7.7% | Added |
| Great Lakes Retirement, Inc. | 9,566 | $1.87M | 0.19% | +143+1.5% | Added |
| EverSource Wealth Advisors, LLC | 9,603 | $1.88M | 0.06% | +3,647+61.2% | Added |
| Empowered Funds, LLC | 9,614 | $1.88M | 0.01% | −15,381−61.5% | Reduced |
| We Are One Seven, LLC | 9,690 | $1.90M | 0.04% | +524+5.7% | Added |
| Brinker Capital Investments, LLC | 9,752 | $1.91M | 0.02% | +195+2.0% | Added |
| TriaGen Wealth Management LLC | 9,797 | $1.92M | 0.52% | −146−1.5% | Reduced |