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, Q2 2026
Institutional positions in Quest Diagnostics Inc as of Jun 30, 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
Q3 2026 data is still coming in: 5 institutions have reported holding DGX so far. See Q3 2026
- Institutional holders
- 1,112
- +52 vs. Q1 2026
- Shares held
- 104.9M
- +2.36M (+2.3%) vs. Q1 2026
- Total value
- $22.2B
- +$2.12B (+10.6%) vs. Q1 2026
- New holders
- 122
- 429 more added
- Sold out
- 70
- 354 more reduced
9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Quest Diagnostics Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Russell Investments Group, Ltd. | 102,292 | $21.7M | 0.02% | +7,078+7.4% | Added |
| Mercer Global Advisors Inc | 104,301 | $22.1M | 0.03% | +2,455+2.4% | Added |
| Moran Wealth Management, LLC | 104,495 | $22.1M | 0.60% | −3,856−3.6% | Reduced |
| Treasurer of the State of North Carolina | 105,243 | $22.3M | 0.06% | −190−0.2% | Reduced |
| SEI Investments Co | 105,415 | $22.3M | 0.02% | +25,827+32.5% | Added |
| Adage Capital Partners GP, L.L.C. | 106,303 | $22.5M | 0.03% | +106,303 | New |
| Ceredex Value Advisors LLC | 106,581 | $22.6M | 0.64% | +19,469+22.3% | Added |
| Tocqueville Asset Management L.P. | 106,964 | $22.7M | 0.30% | −515−0.5% | Reduced |
| Kames Capital plc | 107,888 | $22.9M | 0.24% | +17,283+19.1% | Added |
| Robeco Institutional Asset Management B.V. | 112,546 | $23.9M | 0.03% | +134+0.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 115,921 | $24.6M | 0.04% | −54,991−32.2% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 116,373 | $24.6M | 0.04% | −15,562−11.8% | Reduced |
| National Bank of Canada | 117,005 | $24.8M | 0.02% | +68,043+139.0% | Added |
| Gotham Asset Management, LLC | 117,533 | $24.9M | 0.06% | −13,244−10.1% | Reduced |
| Squarepoint Ops LLC | 117,831 | $25.0M | 0.05% | −227,957−65.9% | Reduced |
| Candriam Luxembourg S.C.A. | 120,238 | $25.5M | 0.11% | +16,102+15.5% | Added |
| Franklin Resources Inc | 120,973 | $25.6M | 0.01% | −694−0.6% | Reduced |
| Stifel Financial Corp | 123,220 | $26.1M | 0.02% | +11,187+10.0% | Added |
| Wiley Bros.-Aintree Capital, LLC | 124,363 | $26.4M | 0.11% | +2,180+1.8% | Added |
| Achmea Investment Management B.V. | 124,786 | $26.4M | 0.66% | −12,333−9.0% | Reduced |
| Silvercrest Asset Management Group LLC | 126,888 | $26.9M | 0.18% | +12,130+10.6% | Added |
| APG Asset Management N.V. | 150,334 | $27.9M | 0.07% | −3,605−2.3% | Reduced |
| Citadel Advisors LLC | 133,211 | $28.2M | 0.02% | −214,007−61.6% | Reduced |
| LPL Financial LLC | 143,079 | $30.3M | 0.01% | +32,326+29.2% | Added |
| Copeland Capital Management, LLC | 144,784 | $30.7M | 0.63% | −10,564−6.8% | Reduced |
| Willis Investment Counsel | 151,500 | $32.1M | 1.53% | −300−0.2% | Reduced |
| Braun Stacey Associates Inc | 154,396 | $32.7M | 0.93% | −2,436−1.6% | Reduced |
| Credit Agricole S A | 155,438 | $32.9M | 0.08% | +6,878+4.6% | Added |
| Cookson Peirce & Co Inc | 155,589 | $33.0M | 1.09% | −753−0.5% | Reduced |
| Storebrand Asset Management AS | 160,970 | $34.1M | 0.08% | +20,396+14.5% | Added |
| SG Americas Securities, LLC | 162,837 | $34.5M | 0.02% | −54,449−25.1% | Reduced |
| Colony Group, LLC | 163,327 | $34.6M | 0.04% | +12,471+8.3% | Added |
| California State Teachers Retirement System | 174,776 | $37.0M | 0.03% | +12,538+7.7% | Added |
| SEB Asset Management AB | 182,906 | $38.8M | 0.15% | +42,955+30.7% | Added |
| Conning Inc. | 186,734 | $39.6M | 1.19% | +10,828+6.2% | Added |
| Eastern Bank | 189,969 | $40.3M | 0.62% | +111,974+143.6% | Added |
| California Public Employees Retirement System | 196,151 | $41.6M | 0.02% | −41,641−17.5% | Reduced |
| Integral Health Asset Management, LLC | 200,000 | $42.4M | 1.74% | +140,000+233.3% | Added |
| PFA Pension, Forsikringsaktieselskab | 205,613 | $43.6M | 0.11% | +205,613 | New |
| Voya Investment Management LLC | 211,496 | $44.8M | 0.04% | +25,321+13.6% | Added |
| Royal Bank of Canada | 219,613 | $46.5M | 0.01% | +21,079+10.6% | Added |
| Eurizon Capital SGR S.p.A. | 222,564 | $47.2M | 0.13% | −18,252−7.6% | Reduced |
| HSBC Holdings PLC | 224,986 | $47.8M | 0.02% | +29,842+15.3% | Added |
| Nomura Asset Management International Inc. | 232,797 | $49.3M | 0.07% | +20,617+9.7% | Added |
| Vanguard Global Advisers, LLC | 240,742 | $51.0M | 0.02% | −1,783−0.7% | Reduced |
| Clark Capital Management Group, Inc. | 241,846 | $51.3M | 0.28% | +6,424+2.7% | Added |
| Kempen Capital Management N.V. | 242,907 | $51.5M | 0.39% | −13,391−5.2% | Reduced |
| Bank of Montreal | 243,647 | $51.6M | 0.02% | +33,282+15.8% | Added |
| FIL Ltd | 251,976 | $53.4M | 0.04% | +165,407+191.1% | Added |
| Quantinno Capital Management LP | 252,924 | $53.6M | 0.06% | +21,899+9.5% | Added |
| Vanguard Asset Management, Ltd | 253,146 | $53.7M | 0.04% | +26,416+11.7% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 258,597 | $54.8M | 0.03% | −6,157−2.3% | Reduced |
| Rhumbline Advisers | 267,727 | $56.7M | 0.04% | +4,380+1.7% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 268,354 | $56.9M | 0.03% | +16,913+6.7% | Added |
| Great West Life Assurance Co | 269,711 | $57.0M | 0.09% | −35,980−11.8% | Reduced |
| Marshall Wace, LLP | 269,760 | $57.2M | 0.05% | +69,482+34.7% | Added |
| Balyasny Asset Management LLC | 275,371 | $58.4M | 0.11% | +272,473+9,402.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 280,319 | $59.4M | 0.06% | +49,385+21.4% | Added |
| First Trust Advisors LP | 290,970 | $61.7M | 0.04% | −38,182−11.6% | Reduced |
| Swiss National Bank | 309,900 | $65.7M | 0.03% | −16,600−5.1% | Reduced |
| Citigroup Inc | 315,584 | $66.9M | 0.03% | +28,461+9.9% | Added |
| Advisors Capital Management, LLC | 327,575 | $69.4M | 0.74% | +324+0.1% | Added |
| Mackenzie Financial Corp | 333,295 | $70.6M | 0.07% | +206,785+163.5% | Added |
| Qube Research & Technologies Ltd | 343,398 | $72.8M | 0.08% | −391,316−53.3% | Reduced |
| Acadian Asset Management LLC | 346,489 | $73.4M | 0.09% | +107,057+44.7% | Added |
| M.D. Sass Investors Services, Inc. | 360,453 | $76.4M | 5.06% | +60,994+20.4% | Added |
| Pacer Advisors, Inc. | 381,995 | $81.0M | 0.21% | −43,900−10.3% | Reduced |
| BNP Paribas Arbitrage, SA | 395,245 | $83.8M | 0.04% | +124,964+46.2% | Added |
| Schroder Investment Management Group | 417,715 | $88.8M | 0.06% | +122,680+41.6% | Added |
| Envestnet Asset Management Inc | 428,564 | $90.8M | 0.02% | +16,128+3.9% | Added |
| Barclays PLC | 448,726 | $95.1M | 0.03% | −116,744−20.6% | Reduced |
| Crawford Investment Counsel Inc | 460,081 | $97.5M | 1.62% | −26,352−5.4% | Reduced |
| Artemis Investment Management LLP | 467,921 | $99.2M | 0.88% | +20,647+4.6% | Added |
| Fiduciary Management Inc | 483,557 | $102.5M | 1.46% | −237,429−32.9% | Reduced |
| Woodline Partners LP | 485,841 | $103.0M | 0.32% | −107,903−18.2% | Reduced |
| Amundi | 498,751 | $105.7M | 0.03% | +90,421+22.1% | Added |
| Raymond James Financial Inc | 505,762 | $107.2M | 0.03% | +47,307+10.3% | Added |
| Principal Financial Group Inc | 517,225 | $109.6M | 0.05% | −8,808−1.7% | Reduced |
| Nuveen, LLC | 563,830 | $119.5M | 0.03% | +98,405+21.1% | Added |
| Alliancebernstein L.P. | 625,894 | $122.7M | 0.04% | −55,264−8.1% | Reduced |
| Deutsche Bank AG | 585,895 | $124.2M | 0.04% | +34,996+6.4% | Added |
| Vanguard Fiduciary Trust Co | 621,639 | $131.8M | 0.03% | +2,459+0.4% | Added |
| Bank of New York Mellon Corp | 629,339 | $133.4M | 0.02% | −26,622−4.1% | Reduced |
| DekaBank Deutsche Girozentrale | 748,680 | $146.2M | 0.25% | 00.0% | Unchanged |
| Legal & General Group Plc | 717,085 | $152.0M | 0.03% | −19,540−2.7% | Reduced |
| Ameriprise Financial Inc | 759,975 | $161.1M | 0.03% | −47,502−5.9% | Reduced |
| Charles Schwab Investment Management Inc | 773,711 | $164.0M | 0.02% | +12,921+1.7% | Added |
| M&G Plc | 795,650 | $168.7M | 0.84% | −9,691−1.2% | Reduced |
| American Century Companies Inc | 818,220 | $173.4M | 0.08% | −49,111−5.7% | Reduced |
| UBS Group AG | 888,906 | $188.4M | 0.03% | +186,569+26.6% | Added |
| UBS Asset Management Americas Inc | 942,407 | $199.7M | 0.04% | +95,804+11.3% | Added |
| Goldman Sachs Group Inc | 982,694 | $208.3M | 0.02% | −366,000−27.1% | Reduced |
| Northern Trust Corp | 1,127,454 | $239.0M | 0.03% | +13,235+1.2% | Added |
| Invesco Ltd. | 1,379,115 | $292.3M | 0.02% | −259,372−15.8% | Reduced |
| FMR LLC | 1,398,735 | $296.5M | 0.01% | +456,517+48.5% | Added |
| Norges Bank | 1,406,620 | $298.1M | 0.03% | +1,406,620 | New |
| Victory Capital Management Inc | 1,550,556 | $328.6M | 0.18% | −295,780−16.0% | Reduced |
| Davis Selected Advisers | 1,555,612 | $329.8M | 1.42% | −62,201−3.8% | Reduced |
| Wells Fargo & Company | 1,751,220 | $371.2M | 0.06% | −11,549−0.7% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 1,888,207 | $400.2M | 0.90% | +5,183+0.3% | Added |