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, Q4 2025
Institutional positions in Quest Diagnostics Inc as of Dec 31, 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
- 1,050
- +59 vs. Q3 2025
- Shares held
- 106.1M
- +1.44M (+1.4%) vs. Q3 2025
- Total value
- $18.4B
- −$1.53B (−7.7%) vs. Q3 2025
- New holders
- 149
- 350 more added
- Sold out
- 90
- 345 more reduced
15 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Integrity Alliance, LLC. | 7,977 | $1.38M | 0.05% | −804−9.2% | Reduced |
| Parsons Capital Management Inc | 7,973 | $1.38M | 0.08% | 00.0% | Unchanged |
| Agp Franklin, LLC | 7,950 | $1.38M | 0.65% | +486+6.5% | Added |
| O'Shaughnessy Asset Management, LLC | 7,806 | $1.35M | 0.01% | +252+3.3% | Added |
| Custom Index Systems, LLC | 7,705 | $1.34M | 0.59% | −3,954−33.9% | Reduced |
| Sciencast Management LP | 7,588 | $1.32M | 0.18% | −12,752−62.7% | Reduced |
| Miller Investment Management, LP | 7,586 | $1.32M | 0.13% | 00.0% | Unchanged |
| Hilltop National Bank | 7,581 | $1.32M | 0.32% | −91−1.2% | Reduced |
| Laird Norton Trust Company, LLC | 7,580 | $1.32M | 0.03% | +7,580 | New |
| Keybank National Association | 7,505 | $1.30M | 0.00% | −6,745−47.3% | Reduced |
| Needham Investment Management LLC | 7,500 | $1.30M | 0.08% | 00.0% | Unchanged |
| Investment Management Corp of Ontario | 7,497 | $1.30M | 0.02% | +2,305+44.4% | Added |
| Benjamin Edwards Inc | 7,428 | $1.29M | 0.01% | +537+7.8% | Added |
| Roundview Capital LLC | 7,422 | $1.29M | 0.08% | −1,690−18.5% | Reduced |
| Brown Advisory Inc | 7,287 | $1.26M | 0.00% | +71+1.0% | Added |
| Hennion & Walsh Asset Management, Inc. | 7,283 | $1.26M | 0.04% | +744+11.4% | Added |
| Bellevue Group AG | 7,280 | $1.26M | 0.02% | −25,735−77.9% | Reduced |
| Callan Family Office, LLC | 7,233 | $1.26M | 0.03% | +4,924+213.3% | Added |
| Oak Thistle LLC | 7,132 | $1.24M | 0.17% | +3,299+86.1% | Added |
| Apollon Wealth Management, LLC | 7,110 | $1.23M | 0.02% | +376+5.6% | Added |
| Aaron Wealth Advisors | 7,040 | $1.22M | 0.07% | −578−7.6% | Reduced |
| Union Bancaire Privee, UBP SA | 8,744 | $1.22M | 0.02% | +8,744 | New |
| Kentucky Retirement Systems | 6,999 | $1.21M | 0.03% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 6,981 | $1.21M | 0.04% | −8,241−54.1% | Reduced |
| Vega Investment Solutions | 6,935 | $1.20M | 0.19% | +6,935 | New |
| Byrne Asset Management LLC | 6,928 | $1.20M | 0.67% | +71+1.0% | Added |
| Borer Denton & Associates, Inc. | 6,912 | $1.20M | 0.40% | 00.0% | Unchanged |
| Toroso Investments, LLC | 6,892 | $1.20M | 0.01% | +2,826+69.5% | Added |
| Prelude Capital Management, LLC | 6,886 | $1.19M | 0.09% | +6,886 | New |
| Polymer Capital Management (US) LLC | 6,817 | $1.18M | 0.15% | +6,817 | New |
| Norinchukin Bank, The | 6,728 | $1.17M | 0.01% | +413+6.5% | Added |
| CX Institutional | 6,700 | $1.16M | 0.03% | −1,203−15.2% | Reduced |
| Integrated Quantitative Investments LLC | 6,659 | $1.16M | 0.25% | +6,659 | New |
| Qsemble Capital Management, LP | 6,645 | $1.15M | 0.10% | +6,645 | New |
| Exchange Traded Concepts, LLC | 6,622 | $1.15M | 0.01% | −109−1.6% | Reduced |
| Sterling Capital Management LLC | 6,609 | $1.15M | 0.02% | −283−4.1% | Reduced |
| Merit Financial Group, LLC | 6,569 | $1.14M | 0.01% | +685+11.6% | Added |
| Northwest & Ethical Investments L.P. | 6,549 | $1.14M | 0.03% | +411+6.7% | Added |
| Huntington National Bank | 6,483 | $1.12M | 0.01% | +532+8.9% | Added |
| Hartford Investment Management Co | 6,451 | $1.12M | 0.03% | −180−2.7% | Reduced |
| Pensionfund Sabic | 6,400 | $1.11M | 0.30% | 00.0% | Unchanged |
| Siemens Fonds Invest GmbH | 6,188 | $1.09M | 0.06% | +2,576+71.3% | Added |
| YANKCOM Partnership | 6,246 | $1.08M | 0.46% | +20+0.3% | Added |
| Arkadios Wealth Advisors | 6,245 | $1.08M | 0.02% | +1,377+28.3% | Added |
| Park Avenue Securities LLC | 6,007 | $1.04M | 0.01% | +45+0.8% | Added |
| Generali Investments CEE, investicni spolecnost, a.s. | 6,000 | $1.04M | 0.07% | +1,500+33.3% | Added |
| EverSource Wealth Advisors, LLC | 5,956 | $1.03M | 0.04% | −67−1.1% | Reduced |
| Capital Management Associates, Inc | 5,900 | $1.02M | 0.23% | +5,900 | New |
| Gulf International Bank (UK) Ltd | 5,838 | $1.01M | 0.03% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 5,774 | $1.00M | 0.02% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 5,700 | $989.1K | 0.02% | −200−3.4% | Reduced |
| Klein Pavlis & Peasley Financial, Inc. | 5,591 | $970.2K | 0.57% | −166−2.9% | Reduced |
| Private Advisor Group, LLC | 5,577 | $967.8K | 0.00% | −3−0.1% | Reduced |
| Blueshift Asset Management, LLC | 5,547 | $962.6K | 0.28% | +2,374+74.8% | Added |
| Versor Investments LP | 5,482 | $951.3K | 0.15% | −904−14.2% | Reduced |
| Modern Wealth Management, LLC | 5,395 | $936.1K | 0.02% | −109−2.0% | Reduced |
| Game Plan Financial Advisors, LLC | 5,338 | $926.3K | 0.37% | −628−10.5% | Reduced |
| DLK Investment Management, LLC | 5,248 | $910.7K | 0.34% | 00.0% | Unchanged |
| Lebenthal Global Advisors, LLC | 5,197 | $901.9K | 0.14% | +163+3.2% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 5,197 | $901.8K | 0.02% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 5,103 | $886.0K | 0.03% | +100+2.0% | Added |
| Vident Advisory, LLC | 5,055 | $877.2K | 0.01% | −31−0.6% | Reduced |
| Net Worth Advisory Group | 5,055 | $877.1K | 0.18% | +798+18.7% | Added |
| J.Safra Asset Management Corp | 5,045 | $875.4K | 0.05% | +919+22.3% | Added |
| Jones Financial Companies LLLP | 5,004 | $868.3K | 0.00% | +717+16.7% | Added |
| Nations Financial Group Inc, | 4,994 | $866.7K | 0.05% | +404+8.8% | Added |
| Simplex Trading, LLC | 4,958 | $860.4K | 0.02% | +4,147+511.3% | Added |
| Atlas Capital Advisors LLC | 4,952 | $859.3K | 0.10% | +4,952 | New |
| Galvin, Gaustad & Stein, LLC | 4,951 | $859.1K | 0.07% | −206−4.0% | Reduced |
| AE Wealth Management LLC | 4,947 | $858.5K | 0.00% | +1,870+60.8% | Added |
| Martin Capital Partners, LLC | 4,914 | $853.0K | 0.32% | −10−0.2% | Reduced |
| CAPROCK Group, Inc. | 4,915 | $852.9K | 0.02% | +4,915 | New |
| Tower Research Capital LLC (TRC) | 4,843 | $840.4K | 0.02% | −171−3.4% | Reduced |
| Sigma Planning Corp | 4,804 | $837.5K | 0.02% | +225+4.9% | Added |
| Hardworking Capital Advisors, LLC | 4,821 | $836.6K | 0.76% | +4,821 | New |
| ExodusPoint Capital Management, LP | 4,802 | $833.3K | 0.01% | −6,348−56.9% | Reduced |
| Wolverine Asset Management LLC | 4,787 | $830.7K | 0.01% | 00.0% | Unchanged |
| Index Technologies Group LLC | 4,729 | $820.6K | 0.86% | +4,729 | New |
| Warren Averett Asset Management, LLC | 4,727 | $820.3K | 0.01% | +712+17.7% | Added |
| Qtron Investments LLC | 4,616 | $801.0K | 0.10% | −374−7.5% | Reduced |
| Crestmont Private Wealth LLC | 4,607 | $799.5K | 0.26% | +229+5.2% | Added |
| AlphaCore Capital LLC | 4,597 | $797.6K | 0.02% | +3,157+219.2% | Added |
| MUFG Securities EMEA plc | 4,560 | $791.3K | 0.01% | +2,420+113.1% | Added |
| Envestnet Portfolio Solutions, Inc. | 4,551 | $789.7K | 0.00% | +274+6.4% | Added |
| E. Ohman J:or Asset Management AB | 4,500 | $780.9K | 0.02% | 00.0% | Unchanged |
| Lecap Asset Management Ltd | 4,497 | $780.4K | 0.31% | +4,497 | New |
| Vestcor Inc | 4,420 | $767.0K | 0.02% | 00.0% | Unchanged |
| Alamea Verwaltungs GmbH | 4,069 | $761.0K | 0.51% | +4,069 | New |
| Fiduciary Trust Co | 4,353 | $755.3K | 0.01% | −263−5.7% | Reduced |
| Principal Securities, Inc. | 4,306 | $747.2K | 0.01% | −140−3.1% | Reduced |
| Independent Advisor Alliance | 4,298 | $745.8K | 0.02% | +66+1.6% | Added |
| Venture Visionary Partners LLC | 4,279 | $742.7K | 0.02% | +15+0.4% | Added |
| Azzad Asset Management Inc | 4,272 | $741.4K | 0.07% | −6−0.1% | Reduced |
| Resources Investment Advisors, LLC. | 4,268 | $740.6K | 0.01% | −460−9.7% | Reduced |
| Lido Advisors, LLC | 3,914 | $739.0K | 0.00% | −131−3.2% | Reduced |
| Lifeworks Advisors, LLC | 4,255 | $738.3K | 0.10% | −228−5.1% | Reduced |
| Montgomery Investment Management Inc | 4,218 | $731.9K | 0.26% | −13−0.3% | Reduced |
| Wesbanco Bank Inc | 4,210 | $730.6K | 0.02% | −394−8.6% | Reduced |
| RWM Asset Management, LLC | 4,000 | $730.1K | 0.08% | 00.0% | Unchanged |
| Hussman Strategic Advisors, Inc. | 4,200 | $728.8K | 0.18% | +4,200 | New |