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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 14,392,082 | $2.50B | 0.04% | +140,450+1.0% | Added |
| BlackRock, Inc. | 9,459,218 | $1.64B | 0.03% | −542,817−5.4% | Reduced |
| Price T Rowe Associates Inc | 6,297,157 | $1.09B | 0.12% | −708,833−10.1% | Reduced |
| State Street Corp | 5,382,547 | $934.0M | 0.03% | +158,617+3.0% | Added |
| JPMorgan Chase & Co | 4,145,896 | $719.4M | 0.05% | −171,495−4.0% | Reduced |
| Boston Partners | 3,913,326 | $680.0M | 0.70% | −123,555−3.1% | Reduced |
| Geode Capital Management, LLC | 3,028,207 | $523.5M | 0.03% | −8,278−0.3% | Reduced |
| Morgan Stanley | 2,693,568 | $467.4M | 0.03% | +406,658+17.8% | Added |
| Victory Capital Management Inc | 2,126,422 | $369.0M | 0.21% | −217,552−9.3% | Reduced |
| Dimensional Fund Advisors LP | 1,931,548 | $335.2M | 0.07% | +24,038+1.3% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 1,816,060 | $315.1M | 0.81% | +69,660+4.0% | Added |
| Wells Fargo & Company | 1,769,093 | $307.0M | 0.06% | −36,201−2.0% | Reduced |
| Goldman Sachs Group Inc | 1,708,925 | $296.5M | 0.04% | +645,209+60.7% | Added |
| Invesco Ltd. | 1,666,979 | $289.3M | 0.03% | −21,790−1.3% | Reduced |
| EdgePoint Investment Group Inc. | 1,661,072 | $288.2M | 2.37% | +811,320+95.5% | Added |
| Bank of America Corp | 1,622,938 | $281.6M | 0.02% | −12,137−0.7% | Reduced |
| Davis Selected Advisers | 1,589,883 | $275.9M | 1.24% | +228,271+16.8% | Added |
| Norges Bank | 1,322,663 | $229.5M | 0.02% | +1,322,663 | New |
| FMR LLC | 1,202,254 | $208.6M | 0.01% | −11,118−0.9% | Reduced |
| UBS Group AG | 1,114,451 | $193.4M | 0.04% | +450,161+67.8% | Added |
| Northern Trust Corp | 1,078,573 | $187.2M | 0.02% | −74,752−6.5% | Reduced |
| Fiduciary Management Inc | 1,046,921 | $181.7M | 2.00% | −100,613−8.8% | Reduced |
| M&G Plc | 945,052 | $164.4M | 0.85% | −145,325−13.3% | Reduced |
| American Century Companies Inc | 870,500 | $151.1M | 0.08% | +1,415+0.2% | Added |
| UBS Asset Management Americas Inc | 846,935 | $147.0M | 0.03% | −54,676−6.1% | Reduced |
| Ameriprise Financial Inc | 813,454 | $141.2M | 0.03% | −39,372−4.6% | Reduced |
| Charles Schwab Investment Management Inc | 751,054 | $130.3M | 0.02% | +4,003+0.5% | Added |
| Legal & General Group Plc | 742,974 | $128.9M | 0.03% | −12,701−1.7% | Reduced |
| Qube Research & Technologies Ltd | 733,456 | $127.3M | 0.18% | +203,656+38.4% | Added |
| Bank of New York Mellon Corp | 670,741 | $116.4M | 0.02% | −150,839−18.4% | Reduced |
| DekaBank Deutsche Girozentrale | 748,680 | $114.3M | 0.21% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 632,407 | $109.7M | 0.03% | −2,366−0.4% | Reduced |
| Deutsche Bank AG | 609,081 | $105.7M | 0.03% | +84,935+16.2% | Added |
| Squarepoint Ops LLC | 565,800 | $98.2M | 0.20% | −71,492−11.2% | Reduced |
| Principal Financial Group Inc | 531,286 | $92.2M | 0.05% | −3,184−0.6% | Reduced |
| Crawford Investment Counsel Inc | 496,499 | $86.2M | 1.43% | +2,067+0.4% | Added |
| Amundi | 464,164 | $80.5M | 0.02% | +36,610+8.6% | Added |
| Raymond James Financial Inc | 463,282 | $80.4M | 0.03% | +5,245+1.1% | Added |
| Artemis Investment Management LLP | 460,725 | $79.9M | 0.97% | +29,084+6.7% | Added |
| Pacer Advisors, Inc. | 447,727 | $77.7M | 0.20% | −3,171−0.7% | Reduced |
| Citadel Advisors LLC | 425,236 | $73.8M | 0.05% | +294,622+225.6% | Added |
| First Trust Advisors LP | 351,709 | $61.0M | 0.04% | −19,839−5.3% | Reduced |
| California Public Employees Retirement System | 350,249 | $60.8M | 0.03% | +11,268+3.3% | Added |
| Woodline Partners LP | 341,372 | $59.2M | 0.23% | +223,936+190.7% | Added |
| Nuveen, LLC | 334,034 | $58.0M | 0.02% | −4,213−1.2% | Reduced |
| Envestnet Asset Management Inc | 333,803 | $57.9M | 0.02% | −44,368−11.7% | Reduced |
| Barclays PLC | 333,302 | $57.8M | 0.02% | +82,170+32.7% | Added |
| D. E. Shaw & Co., Inc. | 328,734 | $57.0M | 0.04% | +328,734 | New |
| Great West Life Assurance Co | 319,293 | $55.4M | 0.10% | −123,368−27.9% | Reduced |
| Advisors Capital Management, LLC | 313,838 | $54.5M | 0.64% | +16,194+5.4% | Added |
| Citigroup Inc | 309,817 | $53.8M | 0.04% | −9,537−3.0% | Reduced |
| Freestone Grove Partners LP | 309,214 | $53.7M | 0.39% | +309,214 | New |
| Swiss National Bank | 306,500 | $53.2M | 0.03% | −15,300−4.8% | Reduced |
| Jane Street Group, LLC | 292,734 | $50.8M | 0.06% | +219,577+300.1% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 277,183 | $48.1M | 0.03% | −1,469−0.5% | Reduced |
| Rhumbline Advisers | 276,463 | $48.0M | 0.04% | +2,017+0.7% | Added |
| Quantinno Capital Management LP | 269,597 | $46.8M | 0.09% | +76,083+39.3% | Added |
| Schroder Investment Management Group | 257,380 | $45.2M | 0.03% | −57,065−18.1% | Reduced |
| Eurizon Capital SGR S.p.A. | 249,182 | $43.2M | 0.13% | +249,182 | New |
| Nomura Asset Management International Inc. | 246,054 | $42.7M | 0.06% | +246,054 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 229,410 | $39.9M | 0.03% | +5,038+2.2% | Added |
| Royal Bank of Canada | 228,731 | $39.7M | 0.01% | −243,498−51.6% | Reduced |
| BNP Paribas Arbitrage, SA | 228,057 | $39.6M | 0.03% | +6,487+2.9% | Added |
| HSBC Holdings PLC | 227,107 | $39.5M | 0.02% | +14,361+6.8% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 225,294 | $39.1M | 0.05% | −60,768−21.2% | Reduced |
| Bank of Montreal | 217,384 | $37.7M | 0.02% | +14,782+7.3% | Added |
| Acadian Asset Management LLC | 190,975 | $33.1M | 0.05% | +188,181+6,735.2% | Added |
| Bahl & Gaynor Inc | 187,288 | $32.5M | 0.16% | −29,416−13.6% | Reduced |
| SG Americas Securities, LLC | 179,653 | $31.2M | 0.04% | +157,031+694.2% | Added |
| Kempen Capital Management N.V. | 175,146 | $30.4M | 0.26% | −166,507−48.7% | Reduced |
| Conning Inc. | 173,262 | $30.1M | 1.01% | +173,262 | New |
| Antipodes Partners Ltd | 171,987 | $29.8M | 0.63% | +110,280+178.7% | Added |
| APG Asset Management N.V. | 197,892 | $29.2M | 0.08% | −15,080−7.1% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 168,397 | $29.2M | 0.05% | +163,970+3,703.9% | Added |
| California State Teachers Retirement System | 168,001 | $29.2M | 0.03% | −4,711−2.7% | Reduced |
| Pictet Asset Management Holding SA | 162,253 | $28.2M | 0.03% | −47,663−22.7% | Reduced |
| Cookson Peirce & Co Inc | 161,503 | $28.0M | 1.16% | −2,275−1.4% | Reduced |
| Copeland Capital Management, LLC | 159,637 | $27.7M | 0.62% | −8,738−5.2% | Reduced |
| Colony Group, LLC | 153,982 | $26.7M | 0.03% | +12,625+8.9% | Added |
| Braun Stacey Associates Inc | 153,854 | $26.7M | 0.87% | −515−0.3% | Reduced |
| Credit Agricole S A | 152,308 | $26.4M | 0.07% | +95,477+168.0% | Added |
| Willis Investment Counsel | 151,800 | $26.3M | 1.36% | 00.0% | Unchanged |
| Storebrand Asset Management AS | 142,908 | $24.8M | 0.07% | 00.0% | Unchanged |
| Skandinaviska Enskilda Banken AB (publ) | 139,936 | $24.3M | 0.10% | −21,980−13.6% | Reduced |
| Achmea Investment Management B.V. | 137,988 | $23.9M | 0.61% | −6,221−4.3% | Reduced |
| Virginia Retirement Systems Et Al | 123,876 | $21.5M | 0.13% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 119,869 | $20.9M | 0.03% | −67,214−35.9% | Reduced |
| Stifel Financial Corp | 113,022 | $19.6M | 0.02% | +80+0.1% | Added |
| Silvercrest Asset Management Group LLC | 112,251 | $19.5M | 0.13% | +2,910+2.7% | Added |
| Wiley Bros.-Aintree Capital, LLC | 111,102 | $19.3M | 0.10% | +10,088+10.0% | Added |
| Robeco Institutional Asset Management B.V. | 109,514 | $19.0M | 0.03% | −1,940−1.7% | Reduced |
| Tocqueville Asset Management L.P. | 109,219 | $19.0M | 0.28% | −340−0.3% | Reduced |
| Mackenzie Financial Corp | 104,846 | $18.4M | 0.02% | −52,509−33.4% | Reduced |
| Standard Life Aberdeen plc | 104,886 | $18.2M | 0.03% | −775−0.7% | Reduced |
| Moran Wealth Management, LLC | 104,064 | $18.1M | 0.55% | −1,087−1.0% | Reduced |
| Blair William & Co | 103,375 | $17.9M | 0.05% | +5,457+5.6% | Added |
| Candriam Luxembourg S.C.A. | 101,727 | $17.7M | 0.09% | +29,908+41.6% | Added |
| Voya Investment Management LLC | 101,628 | $17.6M | 0.02% | −51,781−33.8% | Reduced |
| Point72 Asset Management, L.P. | 100,301 | $17.4M | 0.03% | +100,301 | New |
| Wellington Management Group LLP | 100,146 | $17.4M | 0.00% | −1,341,737−93.1% | Reduced |