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 |
|---|---|---|---|---|---|
| Eastern Bank | 11,812 | $2.05M | 0.04% | +11,812 | New |
| Brevan Howard Capital Management LP | 11,924 | $2.07M | 0.04% | +10,293+631.1% | Added |
| Atria Investments LLC | 11,931 | $2.07M | 0.02% | +90+0.8% | Added |
| Linden Thomas Advisory Services, LLC | 11,953 | $2.07M | 0.21% | +257+2.2% | Added |
| Rafferty Asset Management, LLC | 11,975 | $2.08M | 0.01% | −441−3.6% | Reduced |
| Mutual of America Capital Management LLC | 11,977 | $2.08M | 0.02% | −172−1.4% | Reduced |
| Advisors Asset Management, Inc. | 12,096 | $2.10M | 0.04% | −5,446−31.0% | Reduced |
| OP Asset Management Ltd | 12,142 | $2.11M | 0.03% | −656−5.1% | Reduced |
| Weatherly Asset Management L. P. | 12,307 | $2.14M | 0.16% | −340−2.7% | Reduced |
| Dean Capital Management | 12,478 | $2.17M | 0.92% | +382+3.2% | Added |
| Kinneret Advisory, LLC | 12,515 | $2.17M | 0.18% | −343−2.7% | Reduced |
| Kavar Capital Partners Group, LLC | 12,703 | $2.20M | 0.30% | +10+0.1% | Added |
| Oregon Public Employees Retirement Fund | 12,763 | $2.21M | 0.03% | 00.0% | Unchanged |
| Pinnacle Associates Ltd | 12,802 | $2.22M | 0.03% | +115+0.9% | Added |
| BankPlus Trust Department | 13,203 | $2.29M | 0.60% | +138+1.1% | Added |
| Tredje AP-fonden | 13,217 | $2.29M | 0.02% | −19,374−59.4% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 13,440 | $2.33M | 0.02% | +13,440 | New |
| Cambridge Investment Research Advisors, Inc. | 13,466 | $2.34M | 0.01% | +550+4.3% | Added |
| GWM Advisors LLC | 13,510 | $2.34M | 0.01% | +298+2.3% | Added |
| Farrow Financial Inc. | 13,669 | $2.37M | 1.36% | −287−2.1% | Reduced |
| First National Advisers, LLC | 13,828 | $2.40M | 0.33% | +1,482+12.0% | Added |
| UniSuper Management Pty Ltd | 13,831 | $2.40M | 0.01% | −2,740−16.5% | Reduced |
| Commerce Bank | 13,928 | $2.42M | 0.01% | −414−2.9% | Reduced |
| Janus Henderson Group PLC | 13,939 | $2.42M | 0.00% | −179−1.3% | Reduced |
| CIBC World Markets Inc. | 14,017 | $2.43M | 0.00% | +6,252+80.5% | Added |
| Catalyst Capital Advisors LLC | 14,025 | $2.43M | 0.05% | −550−3.8% | Reduced |
| Marion Wealth Management | 13,500 | $2.44M | 0.54% | +1,082+8.7% | Added |
| Bank Ozk | 14,358 | $2.49M | 0.88% | −73−0.5% | Reduced |
| Nissay Asset Management Corp | 14,440 | $2.51M | 0.01% | +211+1.5% | Added |
| Public Sector Pension Investment Board | 14,498 | $2.52M | 0.01% | +4,629+46.9% | Added |
| Engineers Gate Manager LP | 14,526 | $2.52M | 0.03% | +7,979+121.9% | Added |
| TKG Advisors, LLC | 14,686 | $2.55M | 1.03% | +90+0.6% | Added |
| Stablepoint Partners, LLC | 14,765 | $2.56M | 0.40% | +15+0.1% | Added |
| Rakuten Investment Management, Inc. | 14,658 | $2.57M | 0.01% | −10,072−40.7% | Reduced |
| Horizon Investments, LLC | 14,977 | $2.59M | 0.03% | +288+2.0% | Added |
| M&T Bank Corp | 14,974 | $2.60M | 0.01% | +2,218+17.4% | Added |
| G&S Capital LLC | 15,113 | $2.62M | 0.93% | −136−0.9% | Reduced |
| Lowe Brockenbrough & Co Inc | 15,242 | $2.64M | 0.13% | −572−3.6% | Reduced |
| Macquarie Group Ltd | 15,687 | $2.72M | 0.01% | −255,634−94.2% | Reduced |
| Colonial Trust Advisors | 15,726 | $2.73M | 0.21% | −839−5.1% | Reduced |
| Riverwater Partners LLC | 15,741 | $2.73M | 1.06% | +2,160+15.9% | Added |
| Campbell & CO Investment Adviser LLC | 15,898 | $2.76M | 0.13% | +10,609+200.6% | Added |
| Walleye Capital LLC | 16,079 | $2.79M | 0.02% | +16,001+20,514.1% | Added |
| USS Investment Management Ltd | 16,097 | $2.79M | 0.01% | +110+0.7% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 16,109 | $2.80M | 0.02% | +2,918+22.1% | Added |
| Johnson Investment Counsel Inc | 16,127 | $2.80M | 0.02% | 00.0% | Unchanged |
| Agf Management Ltd | 16,150 | $2.80M | 0.01% | −2,011−11.1% | Reduced |
| New York Life Investment Management LLC | 16,178 | $2.81M | 0.02% | −164−1.0% | Reduced |
| Ensign Peak Advisors, Inc | 16,208 | $2.81M | 0.00% | −23,553−59.2% | Reduced |
| IFP Advisors, Inc | 16,264 | $2.82M | 0.06% | +3,986+32.5% | Added |
| Allspring Global Investments Holdings, LLC | 16,312 | $2.83M | 0.00% | +537+3.4% | Added |
| Baird Financial Group, Inc. | 16,390 | $2.84M | 0.00% | −369−2.2% | Reduced |
| JustInvest LLC | 16,561 | $2.87M | 0.03% | −136−0.8% | Reduced |
| Dynamic Technology Lab Private Ltd | 16,840 | $2.92M | 0.66% | +16,840 | New |
| Vestmark Advisory Solutions, Inc. | 16,876 | $2.93M | 0.04% | +15,741+1,386.9% | Added |
| Coldstream Capital Management Inc | 16,967 | $2.94M | 0.04% | −66−0.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 17,046 | $2.96M | 0.02% | −828−4.6% | Reduced |
| ING Groep NV | 17,109 | $2.97M | 0.02% | +461+2.8% | Added |
| Boston Private Wealth LLC | 17,348 | $3.01M | 0.18% | −5,300−23.4% | Reduced |
| Oak Associates, Ltd | 17,442 | $3.03M | 0.18% | 00.0% | Unchanged |
| Charter Trust Co | 17,508 | $3.04M | 0.18% | +926+5.6% | Added |
| Wasatch Advisors Inc | 17,702 | $3.07M | 0.02% | −54−0.3% | Reduced |
| Delta Capital Management LLC | 17,710 | $3.07M | 1.73% | −2,600−12.8% | Reduced |
| Kestra Advisory Services, LLC | 17,886 | $3.10M | 0.01% | −238−1.3% | Reduced |
| Thrivent Financial for Lutherans | 17,938 | $3.11M | 0.01% | +7,851+77.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 17,239 | $3.12M | 0.00% | +2,152+14.3% | Added |
| Daiwa Securities Group Inc. | 18,105 | $3.14M | 0.01% | +564+3.2% | Added |
| Teewinot Capital Advisers, L.L.C. | 18,119 | $3.14M | 0.23% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 18,178 | $3.15M | 0.09% | −24,101−57.0% | Reduced |
| Nisa Investment Advisors, LLC | 18,297 | $3.18M | 0.01% | +247+1.4% | Added |
| Utah Retirement Systems | 18,327 | $3.18M | 0.03% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 18,392 | $3.19M | 0.04% | +18,392 | New |
| Sit Investment Associates Inc | 18,615 | $3.23M | 0.06% | −29,183−61.1% | Reduced |
| CIBC World Markets Corp | 18,667 | $3.24M | 0.02% | +18,667 | New |
| Manning & Napier Advisors LLC | 18,463 | $3.24M | 0.04% | −1,793−8.9% | Reduced |
| Creative Planning | 18,945 | $3.29M | 0.00% | −300−1.6% | Reduced |
| CWM, LLC | 18,950 | $3.29M | 0.01% | −7,532−28.4% | Reduced |
| Northwestern Mutual Wealth Management Co | 19,278 | $3.35M | 0.00% | +3,581+22.8% | Added |
| QRG Capital Management, Inc. | 19,376 | $3.36M | 0.04% | +419+2.2% | Added |
| Alpine Woods Capital Investors, LLC | 19,402 | $3.37M | 0.80% | +1,881+10.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 19,530 | $3.39M | 0.01% | −25−0.1% | Reduced |
| Foster & Motley Inc | 19,547 | $3.39M | 0.18% | −5,015−20.4% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 19,562 | $3.39M | 0.01% | +5,362+37.8% | Added |
| Xponance, Inc. | 19,574 | $3.40M | 0.03% | +776+4.1% | Added |
| Advisor Group Holdings, Inc. | 19,609 | $3.40M | 0.00% | −4,789−19.6% | Reduced |
| British Columbia Investment Management Corp | 19,780 | $3.43M | 0.02% | +3,735+23.3% | Added |
| Generali Asset Management SPA SGR | 19,922 | $3.46M | 0.07% | +8,924+81.1% | Added |
| Daymark Wealth Partners, LLC | 20,024 | $3.47M | 0.11% | −19−0.1% | Reduced |
| Ethic Inc. | 20,391 | $3.54M | 0.05% | +5,967+41.4% | Added |
| Bokf, NA | 20,403 | $3.54M | 0.05% | −6,940−25.4% | Reduced |
| Amalgamated Bank | 20,626 | $3.58M | 0.03% | −925−4.3% | Reduced |
| Massmutual Trust Co FSB | 20,660 | $3.59M | 0.09% | −235−1.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 20,733 | $3.60M | 0.01% | +3,449+20.0% | Added |
| Pine Valley Investments Ltd Liability Co | 20,943 | $3.63M | 0.18% | −1,226−5.5% | Reduced |
| Appleton Partners Inc | 20,982 | $3.64M | 0.24% | +733+3.6% | Added |
| Forsta Ap-Fonden | 21,000 | $3.64M | 0.02% | −4,300−17.0% | Reduced |
| Yousif Capital Management, LLC | 19,492 | $3.68M | 0.04% | −899−4.4% | Reduced |
| Quantbot Technologies LP | 21,544 | $3.74M | 0.12% | +21,544 | New |
| Banco Bilbao Vizcaya Argentaria, S.A. | 21,866 | $3.79M | 0.03% | −831−3.7% | Reduced |
| Janney Montgomery Scott LLC | 21,923 | $3.80M | 0.01% | +760+3.6% | Added |