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, Q1 2026
Institutional positions in Quest Diagnostics Inc as of Mar 31, 2026. 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
- 1,069
- +36 vs. Q4 2025
- Shares held
- 102.6M
- +12.5M (+13.8%) vs. Q4 2025
- Total value
- $20.1B
- +$4.48B (+28.7%) vs. Q4 2025
- New holders
- 123
- 352 more added
- Sold out
- 87
- 382 more reduced
17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| British Columbia Investment Management Corp | 15,333 | $3.00M | 0.02% | −4,447−22.5% | Reduced |
| G&S Capital LLC | 15,292 | $3.00M | 1.05% | +179+1.2% | Added |
| NEOS Investment Management LLC | 15,111 | $2.96M | 0.01% | +12,749+539.8% | Added |
| MML Investors Services, LLC | 14,964 | $2.93M | 0.01% | +6,145+69.7% | Added |
| Sandler Capital Management | 14,955 | $2.93M | 1.99% | +14,955 | New |
| Lowe Brockenbrough & Co Inc | 14,787 | $2.90M | 0.14% | −455−3.0% | Reduced |
| Allstate Corp | 14,782 | $2.90M | 0.03% | +6,094+70.1% | Added |
| Stablepoint Partners, LLC | 14,626 | $2.87M | 0.43% | −139−0.9% | Reduced |
| Nissay Asset Management Corp | 14,578 | $2.86M | 0.02% | +138+1.0% | Added |
| Bank Ozk | 14,572 | $2.86M | 1.01% | +214+1.5% | Added |
| Cambridge Investment Research Advisors, Inc. | 14,494 | $2.84M | 0.01% | +1,028+7.6% | Added |
| TKG Advisors, LLC | 14,359 | $2.81M | 1.16% | −327−2.2% | Reduced |
| Horizon Investments, LLC | 14,313 | $2.79M | 0.03% | −664−4.4% | Reduced |
| M&T Bank Corp | 14,188 | $2.78M | 0.01% | −786−5.2% | Reduced |
| Macquarie Group Ltd | 14,170 | $2.77M | 0.02% | −1,517−9.7% | Reduced |
| Munich Reinsurance Co Stock Corp in Munich | 14,136 | $2.77M | 0.07% | +14,136 | New |
| Coldstream Capital Management Inc | 13,948 | $2.73M | 0.03% | −3,019−17.8% | Reduced |
| Marion Wealth Management | 13,943 | $2.73M | 0.61% | +443+3.3% | Added |
| CWM, LLC | 13,772 | $2.70M | 0.01% | −5,178−27.3% | Reduced |
| Sit Investment Associates Inc | 13,645 | $2.67M | 0.05% | −4,970−26.7% | Reduced |
| First National Advisers, LLC | 13,641 | $2.67M | 0.39% | −187−1.4% | Reduced |
| Catalyst Capital Advisors LLC | 13,425 | $2.63M | 0.05% | −600−4.3% | Reduced |
| Farrow Financial Inc. | 13,311 | $2.61M | 1.48% | −358−2.6% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 13,146 | $2.58M | 0.05% | −16,759−56.0% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 13,000 | $2.55M | 0.02% | −440−3.3% | Reduced |
| Caldwell Trust Co | 12,889 | $2.53M | 0.23% | +2,010+18.5% | Added |
| UniSuper Management Pty Ltd | 12,886 | $2.53M | 0.02% | −945−6.8% | Reduced |
| Boston Private Wealth LLC | 12,869 | $2.52M | 0.17% | −4,479−25.8% | Reduced |
| Pinnacle Associates Ltd | 12,825 | $2.51M | 0.03% | +23+0.2% | Added |
| Wealth Enhancement Advisory Services, LLC | 14,179 | $2.51M | 0.01% | −3,060−17.8% | Reduced |
| Diversified Management Inc | 12,609 | $2.47M | 0.42% | +10,013+385.7% | Added |
| Oregon Public Employees Retirement Fund | 12,563 | $2.46M | 0.03% | −200−1.6% | Reduced |
| Acumen Wealth Advisors, LLC | 12,504 | $2.45M | 0.66% | +1,182+10.4% | Added |
| Dean Capital Management | 12,476 | $2.45M | 1.01% | −20.0% | Reduced |
| IFP Advisors, Inc | 12,472 | $2.44M | 0.05% | −3,792−23.3% | Reduced |
| Kavar Capital Partners Group, LLC | 12,358 | $2.42M | 0.30% | −345−2.7% | Reduced |
| Linden Thomas Advisory Services, LLC | 12,210 | $2.39M | 0.23% | +257+2.2% | Added |
| HB Wealth Management, LLC | 12,034 | $2.36M | 0.02% | +742+6.6% | Added |
| Kinneret Advisory, LLC | 11,984 | $2.35M | 0.22% | −531−4.2% | Reduced |
| GWM Advisors LLC | 11,958 | $2.34M | 0.01% | −1,552−11.5% | Reduced |
| Weatherly Asset Management L. P. | 11,947 | $2.34M | 0.19% | −360−2.9% | Reduced |
| ICW Investment Advisors LLC | 11,840 | $2.32M | 0.84% | +258+2.2% | Added |
| BankPlus Trust Department | 11,805 | $2.31M | 0.62% | −1,398−10.6% | Reduced |
| Patton Fund Management, Inc. | 11,773 | $2.31M | 0.39% | −20,266−63.3% | Reduced |
| Mutual of America Capital Management LLC | 11,733 | $2.30M | 0.03% | −244−2.0% | Reduced |
| Advisors Asset Management, Inc. | 11,722 | $2.30M | 0.04% | −374−3.1% | Reduced |
| Omers Administration Corp | 11,640 | $2.28M | 0.01% | +10,073+642.8% | Added |
| Cozad Asset Management Inc | 11,529 | $2.26M | 0.18% | +1,022+9.7% | Added |
| Atria Investments LLC | 11,522 | $2.26M | 0.03% | −409−3.4% | Reduced |
| Zurich Insurance Group Ltd | 11,500 | $2.25M | 0.02% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 11,468 | $2.25M | 0.00% | +11,468 | New |
| Roberts Glore & Co Inc | 11,402 | $2.23M | 0.61% | −291−2.5% | Reduced |
| Integrated Wealth Concepts LLC | 11,372 | $2.23M | 0.02% | +9,301+449.1% | Added |
| OP Asset Management Ltd | 11,200 | $2.19M | 0.02% | −942−7.8% | Reduced |
| Zevenbergen Capital Investments LLC | 11,075 | $2.17M | 0.06% | +655+6.3% | Added |
| Assenagon Asset Management S.A. | 11,071 | $2.17M | 0.00% | −13,878−55.6% | Reduced |
| iA Global Asset Management Inc. | 10,997 | $2.15M | 0.03% | −454−4.0% | Reduced |
| Peapack Gladstone Financial Corp | 10,945 | $2.15M | 0.03% | −70−0.6% | Reduced |
| Public Employees Retirement Association of Colorado | 10,891 | $2.13M | 0.01% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 10,887 | $2.13M | 0.02% | −150−1.4% | Reduced |
| Primoris Wealth Advisors, LLC | 10,750 | $2.11M | 1.48% | −1,750−14.0% | Reduced |
| HM Payson & Co | 10,571 | $2.07M | 0.03% | −680−6.0% | Reduced |
| Bleakley Financial Group, LLC | 10,559 | $2.07M | 0.03% | +10,559 | New |
| Assetmark, Inc | 10,558 | $2.07M | 0.00% | +579+5.8% | Added |
| Janus Henderson Group PLC | 10,393 | $2.04M | 0.00% | −3,546−25.4% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 10,200 | $2.00M | 0.02% | +10,200 | New |
| Dynasty Wealth Management, LLC | 10,075 | $1.97M | 0.02% | −84−0.8% | Reduced |
| Alpine Woods Capital Investors, LLC | 9,979 | $1.96M | 0.47% | −9,423−48.6% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 9,926 | $1.95M | 0.02% | +1,890+23.5% | Added |
| TriaGen Wealth Management LLC | 9,797 | $1.92M | 0.52% | −146−1.5% | Reduced |
| Brinker Capital Investments, LLC | 9,752 | $1.91M | 0.02% | +195+2.0% | Added |
| We Are One Seven, LLC | 9,690 | $1.90M | 0.04% | +524+5.7% | Added |
| Empowered Funds, LLC | 9,614 | $1.88M | 0.01% | −15,381−61.5% | Reduced |
| EverSource Wealth Advisors, LLC | 9,603 | $1.88M | 0.06% | +3,647+61.2% | Added |
| Great Lakes Retirement, Inc. | 9,566 | $1.87M | 0.19% | +143+1.5% | Added |
| Highview Capital Management LLC | 9,501 | $1.86M | 0.68% | +683+7.7% | Added |
| O'Shaughnessy Asset Management, LLC | 9,412 | $1.84M | 0.01% | +1,606+20.6% | Added |
| Ashton Thomas Private Wealth, LLC | 9,370 | $1.84M | 0.04% | +406+4.5% | Added |
| Avanza Fonder AB | 9,369 | $1.84M | 0.05% | 00.0% | Unchanged |
| Naples Global Advisors, LLC | 9,325 | $1.83M | 0.13% | +88+1.0% | Added |
| Somerset Trust Co | 9,238 | $1.81M | 0.56% | +127+1.4% | Added |
| Thoroughbred Financial Services, LLC | 9,211 | $1.80M | 0.11% | +10.0% | Added |
| Park Avenue Securities LLC | 9,207 | $1.80M | 0.01% | +3,200+53.3% | Added |
| Ameritas Investment Partners, Inc. | 8,972 | $1.76M | 0.05% | −146−1.6% | Reduced |
| Landscape Capital Management, L.L.C. | 8,950 | $1.75M | 0.11% | +8,950 | New |
| American National Bank | 8,942 | $1.75M | 0.17% | −214−2.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 8,736 | $1.71M | 0.01% | 00.0% | Unchanged |
| Private Capital Management, LLC | 8,700 | $1.71M | 0.17% | 00.0% | Unchanged |
| Havemeyer Place LP | 8,663 | $1.70M | 0.20% | +8,261+2,055.0% | Added |
| VCI Wealth Management LLC | 8,662 | $1.70M | 0.47% | −761−8.1% | Reduced |
| Everence Capital Management Inc | 8,530 | $1.67M | 0.10% | 00.0% | Unchanged |
| Gulf International Bank (UK) Ltd | 8,523 | $1.67M | 0.04% | +2,685+46.0% | Added |
| Crossmark Global Holdings, Inc. | 8,504 | $1.67M | 0.02% | +10.0% | Added |
| Levin Capital Strategies, L.P. | 8,500 | $1.67M | 0.13% | +6,700+372.2% | Added |
| Rafferty Asset Management, LLC | 8,498 | $1.67M | 0.01% | −3,477−29.0% | Reduced |
| Fort Washington Investment Advisors Inc | 8,462 | $1.66M | 0.01% | −1,047−11.0% | Reduced |
| Principal Securities, Inc. | 8,379 | $1.64M | 0.02% | +4,073+94.6% | Added |
| Arjuna Capital | 8,329 | $1.63M | 0.42% | −1,134−12.0% | Reduced |
| Danica Pension, Livsforsikringsaktieselskab | 8,322 | $1.63M | 0.03% | −53,024−86.4% | Reduced |
| ASR Vermogensbeheer N.V. | 8,291 | $1.62M | 0.02% | +185+2.3% | Added |