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 |
|---|---|---|---|---|---|
| Tectonic Advisors LLC | 3,482 | $604.3K | 0.03% | +162+4.9% | Added |
| GAMMA Investing LLC | 3,490 | $605.6K | 0.03% | −21−0.6% | Reduced |
| Ascent Wealth Partners, LLC | 3,494 | $606.3K | 0.07% | −440−11.2% | Reduced |
| Chicago Partners Investment Group LLC | 3,357 | $607.6K | 0.01% | −90−2.6% | Reduced |
| Meeder Advisory Services, Inc. | 3,505 | $608.1K | 0.03% | +82+2.4% | Added |
| Bridgewater Associates, LP | 3,518 | $610.5K | 0.00% | −2,128−37.7% | Reduced |
| Advisory Services Network, LLC | 3,518 | $610.5K | 0.01% | +80+2.3% | Added |
| V-Square Quantitative Management LLC | 3,534 | $613.3K | 0.06% | +3,534 | New |
| Metis Global Partners, LLC | 3,555 | $616.9K | 0.01% | −2,649−42.7% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 3,555 | $616.9K | 0.01% | −8−0.2% | Reduced |
| Forum Financial Management, LP | 3,557 | $617.2K | 0.01% | +10.0% | Added |
| Kennebec Savings Bank | 3,562 | $618.1K | 0.53% | +166+4.9% | Added |
| Cresset Asset Management, LLC | 3,562 | $618.1K | 0.00% | −335−8.6% | Reduced |
| Atomi Financial Group, Inc. | 3,582 | $621.5K | 0.02% | +2,254+169.7% | Added |
| Steward Partners Investment Advisory, LLC | 3,586 | $622.2K | 0.00% | −77−2.1% | Reduced |
| New Hampshire Trust | 3,604 | $625.4K | 0.12% | −500−12.2% | Reduced |
| Diversify Advisory Services, LLC | 3,325 | $630.1K | 0.02% | +213+6.8% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 3,659 | $634.9K | 0.01% | +2,178+147.1% | Added |
| Douglass Winthrop Advisors, LLC | 3,686 | $639.6K | 0.01% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 3,694 | $641.0K | 0.00% | −10,929−74.7% | Reduced |
| TD Private Client Wealth LLC | 3,700 | $642.1K | 0.01% | −357−8.8% | Reduced |
| First Citizens Bank & Trust Co | 3,703 | $642.6K | 0.01% | −1,032−21.8% | Reduced |
| Avestar Capital, LLC | 3,704 | $642.8K | 0.04% | −1,076−22.5% | Reduced |
| Greenleaf Trust | 3,735 | $648.1K | 0.01% | +765+25.8% | Added |
| Rothschild Capital Partners, LLC | 3,742 | $649.4K | 0.15% | 00.0% | Unchanged |
| Kingswood Wealth Advisors, LLC | 3,777 | $655.4K | 0.03% | +180+5.0% | Added |
| Ofi Invest Asset Management | 3,777 | $655.4K | 0.01% | +3,777 | New |
| Spirit of America Management Corp | 3,800 | $659.4K | 0.14% | 00.0% | Unchanged |
| Vise Technologies, Inc. | 3,808 | $660.8K | 0.01% | +1,855+95.0% | Added |
| Ballentine Partners, LLC | 3,819 | $662.7K | 0.01% | −91−2.3% | Reduced |
| Leavell Investment Management, Inc. | 3,820 | $662.9K | 0.03% | 00.0% | Unchanged |
| North Dakota State Investment Board | 3,823 | $663.4K | 0.02% | +3,823 | New |
| United Bank | 3,824 | $663.6K | 0.09% | −35−0.9% | Reduced |
| Farmers & Merchants Investments Inc | 3,839 | $666.2K | 0.02% | −96−2.4% | Reduced |
| Courier Capital LLC | 3,844 | $667.1K | 0.04% | −1,100−22.2% | Reduced |
| Wealthspire Advisors, LLC | 3,865 | $670.7K | 0.01% | +905+30.6% | Added |
| Burney Co | 3,873 | $672.2K | 0.02% | +4+0.1% | Added |
| Tokio Marine Asset Management Co Ltd | 3,930 | $682.0K | 0.02% | +199+5.3% | Added |
| First Eagle Investment Management, LLC | 3,935 | $682.8K | 0.00% | +100+2.6% | Added |
| Empirical Finance, LLC | 3,965 | $688.0K | 0.03% | −161−3.9% | Reduced |
| Group One Trading, L.P. | 3,966 | $688.2K | 0.02% | +3,966 | New |
| CIBC Private Wealth Group, LLC | 4,028 | $699.0K | 0.00% | −507−11.2% | Reduced |
| Boothbay Fund Management, LLC | 4,041 | $701.2K | 0.02% | +4,041 | New |
| Bailard, Inc. | 4,046 | $702.1K | 0.02% | +4,046 | New |
| Sowell Financial Services LLC | 4,055 | $703.6K | 0.03% | +10+0.2% | Added |
| Syon Capital LLC | 4,067 | $705.8K | 0.04% | +836+25.9% | Added |
| Sawyer & Company, Inc | 4,091 | $709.9K | 0.25% | −297−6.8% | Reduced |
| Concurrent Investment Advisors, LLC | 4,148 | $719.9K | 0.01% | +1,621+64.1% | Added |
| Fulton Bank, N.A. | 4,180 | $725.4K | 0.03% | +68+1.7% | Added |
| Sanibel Captiva Trust Company, Inc. | 4,196 | $728.1K | 0.02% | +226+5.7% | Added |
| Hussman Strategic Advisors, Inc. | 4,200 | $728.8K | 0.18% | +4,200 | New |
| RWM Asset Management, LLC | 4,000 | $730.1K | 0.08% | 00.0% | Unchanged |
| Wesbanco Bank Inc | 4,210 | $730.6K | 0.02% | −394−8.6% | Reduced |
| Montgomery Investment Management Inc | 4,218 | $731.9K | 0.26% | −13−0.3% | Reduced |
| Lifeworks Advisors, LLC | 4,255 | $738.3K | 0.10% | −228−5.1% | Reduced |
| Lido Advisors, LLC | 3,914 | $739.0K | 0.00% | −131−3.2% | Reduced |
| Resources Investment Advisors, LLC. | 4,268 | $740.6K | 0.01% | −460−9.7% | Reduced |
| Azzad Asset Management Inc | 4,272 | $741.4K | 0.07% | −6−0.1% | Reduced |
| Venture Visionary Partners LLC | 4,279 | $742.7K | 0.02% | +15+0.4% | Added |
| Independent Advisor Alliance | 4,298 | $745.8K | 0.02% | +66+1.6% | Added |
| Principal Securities, Inc. | 4,306 | $747.2K | 0.01% | −140−3.1% | Reduced |
| Fiduciary Trust Co | 4,353 | $755.3K | 0.01% | −263−5.7% | Reduced |
| Alamea Verwaltungs GmbH | 4,069 | $761.0K | 0.51% | +4,069 | New |
| Vestcor Inc | 4,420 | $767.0K | 0.02% | 00.0% | Unchanged |
| Lecap Asset Management Ltd | 4,497 | $780.4K | 0.31% | +4,497 | New |
| E. Ohman J:or Asset Management AB | 4,500 | $780.9K | 0.02% | 00.0% | Unchanged |
| Envestnet Portfolio Solutions, Inc. | 4,551 | $789.7K | 0.00% | +274+6.4% | Added |
| MUFG Securities EMEA plc | 4,560 | $791.3K | 0.01% | +2,420+113.1% | Added |
| AlphaCore Capital LLC | 4,597 | $797.6K | 0.02% | +3,157+219.2% | Added |
| Crestmont Private Wealth LLC | 4,607 | $799.5K | 0.26% | +229+5.2% | Added |
| Qtron Investments LLC | 4,616 | $801.0K | 0.10% | −374−7.5% | Reduced |
| Warren Averett Asset Management, LLC | 4,727 | $820.3K | 0.01% | +712+17.7% | Added |
| Index Technologies Group LLC | 4,729 | $820.6K | 0.86% | +4,729 | New |
| Wolverine Asset Management LLC | 4,787 | $830.7K | 0.01% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 4,802 | $833.3K | 0.01% | −6,348−56.9% | Reduced |
| Hardworking Capital Advisors, LLC | 4,821 | $836.6K | 0.76% | +4,821 | New |
| Sigma Planning Corp | 4,804 | $837.5K | 0.02% | +225+4.9% | Added |
| Tower Research Capital LLC (TRC) | 4,843 | $840.4K | 0.02% | −171−3.4% | Reduced |
| CAPROCK Group, Inc. | 4,915 | $852.9K | 0.02% | +4,915 | New |
| Martin Capital Partners, LLC | 4,914 | $853.0K | 0.32% | −10−0.2% | Reduced |
| AE Wealth Management LLC | 4,947 | $858.5K | 0.00% | +1,870+60.8% | Added |
| Galvin, Gaustad & Stein, LLC | 4,951 | $859.1K | 0.07% | −206−4.0% | Reduced |
| Atlas Capital Advisors LLC | 4,952 | $859.3K | 0.10% | +4,952 | New |
| Simplex Trading, LLC | 4,958 | $860.4K | 0.02% | +4,147+511.3% | Added |
| Nations Financial Group Inc, | 4,994 | $866.7K | 0.05% | +404+8.8% | Added |
| Jones Financial Companies LLLP | 5,004 | $868.3K | 0.00% | +717+16.7% | Added |
| J.Safra Asset Management Corp | 5,045 | $875.4K | 0.05% | +919+22.3% | Added |
| Net Worth Advisory Group | 5,055 | $877.1K | 0.18% | +798+18.7% | Added |
| Vident Advisory, LLC | 5,055 | $877.2K | 0.01% | −31−0.6% | Reduced |
| New Mexico Educational Retirement Board | 5,103 | $886.0K | 0.03% | +100+2.0% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 5,197 | $901.8K | 0.02% | 00.0% | Unchanged |
| Lebenthal Global Advisors, LLC | 5,197 | $901.9K | 0.14% | +163+3.2% | Added |
| DLK Investment Management, LLC | 5,248 | $910.7K | 0.34% | 00.0% | Unchanged |
| Game Plan Financial Advisors, LLC | 5,338 | $926.3K | 0.37% | −628−10.5% | Reduced |
| Modern Wealth Management, LLC | 5,395 | $936.1K | 0.02% | −109−2.0% | Reduced |
| Versor Investments LP | 5,482 | $951.3K | 0.15% | −904−14.2% | Reduced |
| Blueshift Asset Management, LLC | 5,547 | $962.6K | 0.28% | +2,374+74.8% | Added |
| Private Advisor Group, LLC | 5,577 | $967.8K | 0.00% | −3−0.1% | Reduced |
| Klein Pavlis & Peasley Financial, Inc. | 5,591 | $970.2K | 0.57% | −166−2.9% | Reduced |
| Louisiana State Employees Retirement System | 5,700 | $989.1K | 0.02% | −200−3.4% | Reduced |