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 |
|---|---|---|---|---|---|
| IFP Advisors, Inc | 16,264 | $2.82M | 0.06% | +3,986+32.5% | Added |
| Ensign Peak Advisors, Inc | 16,208 | $2.81M | 0.00% | −23,553−59.2% | Reduced |
| New York Life Investment Management LLC | 16,178 | $2.81M | 0.02% | −164−1.0% | Reduced |
| Agf Management Ltd | 16,150 | $2.80M | 0.01% | −2,011−11.1% | Reduced |
| Johnson Investment Counsel Inc | 16,127 | $2.80M | 0.02% | 00.0% | Unchanged |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 16,109 | $2.80M | 0.02% | +2,918+22.1% | Added |
| USS Investment Management Ltd | 16,097 | $2.79M | 0.01% | +110+0.7% | Added |
| Walleye Capital LLC | 16,079 | $2.79M | 0.02% | +16,001+20,514.1% | Added |
| Campbell & CO Investment Adviser LLC | 15,898 | $2.76M | 0.13% | +10,609+200.6% | Added |
| Riverwater Partners LLC | 15,741 | $2.73M | 1.06% | +2,160+15.9% | Added |
| Colonial Trust Advisors | 15,726 | $2.73M | 0.21% | −839−5.1% | Reduced |
| Macquarie Group Ltd | 15,687 | $2.72M | 0.01% | −255,634−94.2% | Reduced |
| Lowe Brockenbrough & Co Inc | 15,242 | $2.64M | 0.13% | −572−3.6% | Reduced |
| G&S Capital LLC | 15,113 | $2.62M | 0.93% | −136−0.9% | Reduced |
| M&T Bank Corp | 14,974 | $2.60M | 0.01% | +2,218+17.4% | Added |
| Horizon Investments, LLC | 14,977 | $2.59M | 0.03% | +288+2.0% | Added |
| Rakuten Investment Management, Inc. | 14,658 | $2.57M | 0.01% | −10,072−40.7% | Reduced |
| Stablepoint Partners, LLC | 14,765 | $2.56M | 0.40% | +15+0.1% | Added |
| TKG Advisors, LLC | 14,686 | $2.55M | 1.03% | +90+0.6% | Added |
| Engineers Gate Manager LP | 14,526 | $2.52M | 0.03% | +7,979+121.9% | Added |
| Public Sector Pension Investment Board | 14,498 | $2.52M | 0.01% | +4,629+46.9% | Added |
| Nissay Asset Management Corp | 14,440 | $2.51M | 0.01% | +211+1.5% | Added |
| Bank Ozk | 14,358 | $2.49M | 0.88% | −73−0.5% | Reduced |
| Marion Wealth Management | 13,500 | $2.44M | 0.54% | +1,082+8.7% | Added |
| Catalyst Capital Advisors LLC | 14,025 | $2.43M | 0.05% | −550−3.8% | Reduced |
| CIBC World Markets Inc. | 14,017 | $2.43M | 0.00% | +6,252+80.5% | Added |
| Janus Henderson Group PLC | 13,939 | $2.42M | 0.00% | −179−1.3% | Reduced |
| Commerce Bank | 13,928 | $2.42M | 0.01% | −414−2.9% | Reduced |
| UniSuper Management Pty Ltd | 13,831 | $2.40M | 0.01% | −2,740−16.5% | Reduced |
| First National Advisers, LLC | 13,828 | $2.40M | 0.33% | +1,482+12.0% | Added |
| Farrow Financial Inc. | 13,669 | $2.37M | 1.36% | −287−2.1% | Reduced |
| GWM Advisors LLC | 13,510 | $2.34M | 0.01% | +298+2.3% | Added |
| Cambridge Investment Research Advisors, Inc. | 13,466 | $2.34M | 0.01% | +550+4.3% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 13,440 | $2.33M | 0.02% | +13,440 | New |
| Tredje AP-fonden | 13,217 | $2.29M | 0.02% | −19,374−59.4% | Reduced |
| BankPlus Trust Department | 13,203 | $2.29M | 0.60% | +138+1.1% | Added |
| Pinnacle Associates Ltd | 12,802 | $2.22M | 0.03% | +115+0.9% | Added |
| Oregon Public Employees Retirement Fund | 12,763 | $2.21M | 0.03% | 00.0% | Unchanged |
| Kavar Capital Partners Group, LLC | 12,703 | $2.20M | 0.30% | +10+0.1% | Added |
| Kinneret Advisory, LLC | 12,515 | $2.17M | 0.18% | −343−2.7% | Reduced |
| Dean Capital Management | 12,478 | $2.17M | 0.92% | +382+3.2% | Added |
| Weatherly Asset Management L. P. | 12,307 | $2.14M | 0.16% | −340−2.7% | Reduced |
| OP Asset Management Ltd | 12,142 | $2.11M | 0.03% | −656−5.1% | Reduced |
| Advisors Asset Management, Inc. | 12,096 | $2.10M | 0.04% | −5,446−31.0% | Reduced |
| Mutual of America Capital Management LLC | 11,977 | $2.08M | 0.02% | −172−1.4% | Reduced |
| Rafferty Asset Management, LLC | 11,975 | $2.08M | 0.01% | −441−3.6% | Reduced |
| Linden Thomas Advisory Services, LLC | 11,953 | $2.07M | 0.21% | +257+2.2% | Added |
| Atria Investments LLC | 11,931 | $2.07M | 0.02% | +90+0.8% | Added |
| Brevan Howard Capital Management LP | 11,924 | $2.07M | 0.04% | +10,293+631.1% | Added |
| Eastern Bank | 11,812 | $2.05M | 0.04% | +11,812 | New |
| XTX Topco Ltd | 11,730 | $2.04M | 0.05% | +4,001+51.8% | Added |
| Roberts Glore & Co Inc | 11,693 | $2.03M | 0.54% | −442−3.6% | Reduced |
| Summit Trail Advisors, LLC | 11,637 | $2.02M | 0.03% | −643−5.2% | Reduced |
| ICW Investment Advisors LLC | 11,582 | $2.01M | 0.73% | +132+1.2% | Added |
| Zurich Insurance Group Ltd | 11,500 | $2.00M | 0.01% | 00.0% | Unchanged |
| iA Global Asset Management Inc. | 11,451 | $1.99M | 0.03% | +11,365+13,215.1% | Added |
| Entropy Technologies, LP | 11,380 | $1.97M | 0.11% | +11,380 | New |
| Acumen Wealth Advisors, LLC | 11,322 | $1.96M | 0.57% | +11,322 | New |
| HB Wealth Management, LLC | 11,292 | $1.96M | 0.01% | +58+0.5% | Added |
| HM Payson & Co | 11,251 | $1.95M | 0.03% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 11,037 | $1.92M | 0.02% | −930−7.8% | Reduced |
| Peapack Gladstone Financial Corp | 11,015 | $1.91M | 0.02% | −97−0.9% | Reduced |
| Public Employees Retirement Association of Colorado | 10,891 | $1.89M | 0.01% | 00.0% | Unchanged |
| Caldwell Trust Co | 10,879 | $1.89M | 0.17% | +3,085+39.6% | Added |
| Primoris Wealth Advisors, LLC | 12,500 | $1.87M | 1.12% | +12,500 | New |
| Machina Capital S.A.S. | 10,613 | $1.84M | 0.35% | +10,613 | New |
| Cozad Asset Management Inc | 10,507 | $1.82M | 0.14% | +10,507 | New |
| Zevenbergen Capital Investments LLC | 10,420 | $1.81M | 0.04% | +1,185+12.8% | Added |
| Dynasty Wealth Management, LLC | 10,159 | $1.76M | 0.02% | +411+4.2% | Added |
| Assetmark, Inc | 9,979 | $1.73M | 0.00% | +191+2.0% | Added |
| TriaGen Wealth Management LLC | 9,943 | $1.73M | 0.45% | −64−0.6% | Reduced |
| Fox Run Management, L.L.C. | 9,690 | $1.68M | 0.26% | +9,690 | New |
| Taproot Management LP | 9,594 | $1.66M | 0.27% | +9,594 | New |
| Brinker Capital Investments, LLC | 9,557 | $1.66M | 0.01% | −4,410−31.6% | Reduced |
| Fort Washington Investment Advisors Inc | 9,509 | $1.65M | 0.01% | +245+2.6% | Added |
| Arjuna Capital | 9,463 | $1.64M | 0.40% | +328+3.6% | Added |
| Great Lakes Retirement, Inc. | 9,423 | $1.64M | 0.17% | +393+4.4% | Added |
| VCI Wealth Management LLC | 9,423 | $1.64M | 0.45% | +9,423 | New |
| Avanza Fonder AB | 9,369 | $1.63M | 0.04% | 00.0% | Unchanged |
| Naples Global Advisors, LLC | 9,237 | $1.60M | 0.12% | −150−1.6% | Reduced |
| Thoroughbred Financial Services, LLC | 9,210 | $1.60M | 0.09% | −285−3.0% | Reduced |
| We Are One Seven, LLC | 9,166 | $1.59M | 0.03% | +233+2.6% | Added |
| American National Bank | 9,156 | $1.59M | 0.15% | −958−9.5% | Reduced |
| Ameritas Investment Partners, Inc. | 9,118 | $1.58M | 0.05% | −580−6.0% | Reduced |
| Somerset Trust Co | 9,111 | $1.58M | 0.48% | +29+0.3% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 9,042 | $1.57M | 0.01% | +219+2.5% | Added |
| Ashton Thomas Private Wealth, LLC | 8,964 | $1.56M | 0.04% | +473+5.6% | Added |
| Federation des caisses Desjardins du Quebec | 8,957 | $1.55M | 0.01% | +4,356+94.7% | Added |
| HighPoint Advisor Group LLC | 8,891 | $1.54M | 0.03% | +1,926+27.7% | Added |
| Fifth Third Bancorp | 8,863 | $1.54M | 0.00% | −720−7.5% | Reduced |
| Mizuho Securities USA LLC | 8,100 | $1.53M | 0.03% | −44−0.5% | Reduced |
| MML Investors Services, LLC | 8,819 | $1.53M | 0.00% | +597+7.3% | Added |
| Highview Capital Management LLC | 8,818 | $1.53M | 0.54% | +2,613+42.1% | Added |
| Teachers Retirement System of the State of Kentucky | 8,736 | $1.52M | 0.01% | 00.0% | Unchanged |
| Private Capital Management, LLC | 8,700 | $1.51M | 0.14% | 00.0% | Unchanged |
| Allstate Corp | 8,688 | $1.51M | 0.02% | +3,786+77.2% | Added |
| Everence Capital Management Inc | 8,530 | $1.48M | 0.09% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 8,503 | $1.48M | 0.02% | +2,956+53.3% | Added |
| ASR Vermogensbeheer N.V. | 8,106 | $1.41M | 0.02% | −91−1.1% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 8,036 | $1.39M | 0.01% | +1,305+19.4% | Added |