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, Q3 2025
Institutional positions in Quest Diagnostics Inc as of Sep 30, 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
- 1,006
- +34 vs. Q2 2025
- Shares held
- 105.0M
- −1.02M (−1.0%) vs. Q2 2025
- Total value
- $20.0B
- +$944.3M (+5.0%) vs. Q2 2025
- New holders
- 115
- 359 more added
- Sold out
- 81
- 342 more reduced
19 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Riverwater Partners LLC | 13,581 | $2.59M | 1.07% | +399+3.0% | Added |
| Farrow Financial Inc. | 13,956 | $2.66M | 1.54% | −33−0.2% | Reduced |
| Brinker Capital Investments, LLC | 13,967 | $2.66M | 0.02% | −2,368−14.5% | Reduced |
| Soltis Investment Advisors LLC | 14,053 | $2.68M | 0.19% | +1,528+12.2% | Added |
| Janus Henderson Group PLC | 14,118 | $2.69M | 0.00% | +1,782+14.4% | Added |
| Fuller & Thaler Asset Management, Inc. | 14,200 | $2.71M | 0.01% | −296−2.0% | Reduced |
| Nissay Asset Management Corp | 14,229 | $2.71M | 0.01% | −38−0.3% | Reduced |
| Keybank National Association | 14,250 | $2.72M | 0.01% | +279+2.0% | Added |
| Commerce Bank | 14,342 | $2.73M | 0.02% | +408+2.9% | Added |
| Wealth Enhancement Advisory Services, LLC | 15,087 | $2.74M | 0.00% | +1,508+11.1% | Added |
| Ethic Inc. | 14,424 | $2.75M | 0.05% | +8,518+144.2% | Added |
| Bank Ozk | 14,431 | $2.75M | 0.97% | +629+4.6% | Added |
| Catalyst Capital Advisors LLC | 14,575 | $2.78M | 0.06% | −650−4.3% | Reduced |
| TKG Advisors, LLC | 14,596 | $2.78M | 1.19% | +8,112+125.1% | Added |
| Teacher Retirement System of Texas | 14,623 | $2.79M | 0.01% | −2,326−13.7% | Reduced |
| Horizon Investments, LLC | 14,689 | $2.79M | 0.04% | +2,807+23.6% | Added |
| Stablepoint Partners, LLC | 14,750 | $2.81M | 0.45% | −24−0.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 15,775 | $2.87M | 0.00% | +5,297+50.6% | Added |
| Banque Cantonale Vaudoise | 15,222 | $2.90M | 0.11% | +5,985+64.8% | Added |
| G&S Capital LLC | 15,249 | $2.91M | 1.07% | +8,225+117.1% | Added |
| Northwestern Mutual Wealth Management Co | 15,697 | $2.99M | 0.00% | +7,384+88.8% | Added |
| Lowe Brockenbrough & Co Inc | 15,814 | $3.01M | 0.16% | −341−2.1% | Reduced |
| Bank of Nova Scotia | 15,991 | $3.05M | 0.01% | +1,652+11.5% | Added |
| USS Investment Management Ltd | 15,987 | $3.05M | 0.01% | 00.0% | Unchanged |
| British Columbia Investment Management Corp | 16,045 | $3.06M | 0.02% | −1,512−8.6% | Reduced |
| Johnson Investment Counsel Inc | 16,127 | $3.07M | 0.03% | 00.0% | Unchanged |
| New York Life Investment Management LLC | 16,342 | $3.11M | 0.03% | −391−2.3% | Reduced |
| Colonial Trust Advisors | 16,565 | $3.16M | 0.24% | −853−4.9% | Reduced |
| UniSuper Management Pty Ltd | 16,571 | $3.16M | 0.02% | +2,576+18.4% | Added |
| Charter Trust Co | 16,582 | $3.16M | 0.19% | +1,403+9.2% | Added |
| ING Groep NV | 16,648 | $3.17M | 0.02% | +16,648 | New |
| JustInvest LLC | 16,697 | $3.18M | 0.03% | +748+4.7% | Added |
| Baird Financial Group, Inc. | 16,759 | $3.19M | 0.01% | +375+2.3% | Added |
| Susquehanna International Group, LLP | 16,932 | $3.23M | 0.00% | +1,479+9.6% | Added |
| Coldstream Capital Management Inc | 17,033 | $3.25M | 0.04% | +30.0% | Added |
| Captrust Financial Advisors | 17,181 | $3.27M | 0.01% | −118−0.7% | Reduced |
| CIBC Bancorp USA Inc. | 17,190 | $3.28M | 0.02% | +17,190 | New |
| Mirae Asset Global Investments Co., Ltd. | 17,284 | $3.29M | 0.01% | +1,877+12.2% | Added |
| Oak Associates, Ltd | 17,442 | $3.32M | 0.20% | 00.0% | Unchanged |
| Alpine Woods Capital Investors, LLC | 17,521 | $3.34M | 0.78% | −2,260−11.4% | Reduced |
| Daiwa Securities Group Inc. | 17,541 | $3.34M | 0.01% | −1,058−5.7% | Reduced |
| Advisors Asset Management, Inc. | 17,542 | $3.34M | 0.06% | −3,678−17.3% | Reduced |
| Wasatch Advisors Inc | 17,756 | $3.38M | 0.02% | −2,891−14.0% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 17,874 | $3.41M | 0.03% | +1,113+6.6% | Added |
| Nisa Investment Advisors, LLC | 18,050 | $3.44M | 0.01% | +6,892+61.8% | Added |
| Teewinot Capital Advisers, L.L.C. | 18,119 | $3.45M | 0.27% | +9,445+108.9% | Added |
| Kestra Advisory Services, LLC | 18,124 | $3.45M | 0.02% | +3,251+21.9% | Added |
| Agf Management Ltd | 18,161 | $3.46M | 0.02% | +185+1.0% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 18,178 | $3.46M | 0.05% | +18,178 | New |
| Utah Retirement Systems | 18,327 | $3.49M | 0.03% | 00.0% | Unchanged |
| Swiss Life Asset Management Ltd | 18,616 | $3.55M | 0.02% | −1,598−7.9% | Reduced |
| Xponance, Inc. | 18,798 | $3.58M | 0.03% | −2,517−11.8% | Reduced |
| QRG Capital Management, Inc. | 18,957 | $3.61M | 0.04% | −67,700−78.1% | Reduced |
| Creative Planning | 19,245 | $3.67M | 0.00% | +1,994+11.6% | Added |
| FIL Ltd | 19,341 | $3.69M | 0.00% | +19,341 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 19,555 | $3.73M | 0.01% | +1,267+6.9% | Added |
| Sivik Global Healthcare LLC | 20,000 | $3.81M | 2.00% | −5,000−20.0% | Reduced |
| Daymark Wealth Partners, LLC | 20,043 | $3.82M | 0.13% | −66−0.3% | Reduced |
| Appleton Partners Inc | 20,249 | $3.86M | 0.26% | +1,103+5.8% | Added |
| Manning & Napier Advisors LLC | 20,256 | $3.86M | 0.05% | −11,341−35.9% | Reduced |
| Delta Capital Management LLC | 20,310 | $3.87M | 2.00% | −35−0.2% | Reduced |
| Sciencast Management LP | 20,340 | $3.88M | 0.73% | +20,340 | New |
| Yousif Capital Management, LLC | 20,391 | $3.89M | 0.04% | −1,585−7.2% | Reduced |
| J. Safra Sarasin Holding AG | 20,815 | $3.97M | 0.06% | +7,627+57.8% | Added |
| DnB Asset Management AS | 20,833 | $3.97M | 0.01% | −553−2.6% | Reduced |
| Massmutual Trust Co FSB | 20,895 | $3.98M | 0.10% | −858−3.9% | Reduced |
| Janney Montgomery Scott LLC | 21,163 | $4.03M | 0.01% | +1,021+5.1% | Added |
| Jefferies Financial Group Inc. | 21,436 | $4.09M | 0.04% | −4,024−15.8% | Reduced |
| Amalgamated Bank | 21,551 | $4.11M | 0.03% | −398−1.8% | Reduced |
| Rice Partnership, LLC | 21,840 | $4.16M | 0.59% | +3,288+17.7% | Added |
| Pine Valley Investments Ltd Liability Co | 22,169 | $4.22M | 0.22% | −3,245−12.8% | Reduced |
| SG Americas Securities, LLC | 22,622 | $4.31M | 0.02% | −19,597−46.4% | Reduced |
| Boston Private Wealth LLC | 22,648 | $4.32M | 0.23% | −5,101−18.4% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 22,697 | $4.33M | 0.03% | +910+4.2% | Added |
| US Bancorp | 22,766 | $4.34M | 0.01% | −1,426−5.9% | Reduced |
| Thrive Capital Management, LLC | 22,798 | $4.34M | 1.12% | +4,322+23.4% | Added |
| Umb Bank N A | 23,233 | $4.43M | 0.07% | −937−3.9% | Reduced |
| Sequoia Financial Advisors, LLC | 23,343 | $4.45M | 0.03% | +1,291+5.9% | Added |
| IFM Investors Pty Ltd | 23,581 | $4.46M | 0.04% | +170+0.7% | Added |
| Illinois Municipal Retirement Fund | 23,391 | $4.46M | 0.06% | +3,252+16.1% | Added |
| Advisor Group Holdings, Inc. | 24,398 | $4.50M | 0.01% | +999+4.3% | Added |
| Dean Investment Associates, LLC | 23,647 | $4.51M | 0.63% | +1,465+6.6% | Added |
| Retirement Systems of Alabama | 23,855 | $4.55M | 0.02% | −100−0.4% | Reduced |
| Wealthfront Advisers LLC | 23,930 | $4.56M | 0.01% | +480+2.0% | Added |
| Sanctuary Advisors, LLC | 24,345 | $4.64M | 0.03% | +254+1.1% | Added |
| Foster & Motley Inc | 24,562 | $4.68M | 0.25% | −4,223−14.7% | Reduced |
| State of Tennessee, Treasury Department | 24,964 | $4.76M | 0.02% | 00.0% | Unchanged |
| FineMark National Bank & Trust | 25,253 | $4.81M | 0.16% | −16,270−39.2% | Reduced |
| Forsta Ap-Fonden | 25,300 | $4.82M | 0.03% | +2,900+12.9% | Added |
| Old National Bancorp | 25,349 | $4.83M | 0.08% | +491+2.0% | Added |
| Palumbo Wealth Management LLC | 25,743 | $4.90M | 1.56% | +126+0.5% | Added |
| Waterloo Capital, L.P. | 25,779 | $4.91M | 0.37% | +3,499+15.7% | Added |
| Van Eck Associates Corp | 25,803 | $4.92M | 0.00% | −208−0.8% | Reduced |
| Occidental Asset Management, LLC | 26,040 | $4.96M | 0.62% | +275+1.1% | Added |
| CI Private Wealth, LLC | 26,147 | $4.98M | 0.01% | +1,142+4.6% | Added |
| Auxier Asset Management | 26,298 | $5.01M | 0.70% | −479−1.8% | Reduced |
| SGL Investment Advisors, Inc. | 28,049 | $5.02M | 2.09% | +520+1.9% | Added |
| CWM, LLC | 26,482 | $5.05M | 0.02% | +2,629+11.0% | Added |
| TCW Group Inc | 26,577 | $5.07M | 0.04% | +6,724+33.9% | Added |
| Clean Yield Group | 26,657 | $5.08M | 1.44% | +111+0.4% | Added |