Quest DiagnosticsDGX
13F holders, Q4 2025 (December 31)1,050holders +44
98new positions
90sold out
11famous investors
$173.23avg. 13F price*
At the end of Q4 2025, 1,050 institutions reported holding Quest Diagnostics Inc. (DGX) in their 13F filings, up 44 from Q3 2025. 98 opened new positions and 90 sold out. The largest holders were Vanguard Group Inc. ($2.5B), BlackRock, Inc. ($1.6B) and T. Rowe Price Associates Inc. ($1.1B). 11 famous investors held it, including Jeremy Grantham (0.8% of GMO's portfolio), Ken Griffin (0.1% of Citadel Advisors's portfolio) and Joel Greenblatt (0.1% of Gotham Asset Management's portfolio).
- Company
- Quest Diagnostics Inc.
- Sector
- Health Care
- CUSIP
- 74834L100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 98 | $290.1M |
| Exits | 90 | $158.3M |
All 13F filers, Q3 2025 → Q4 2025: 7,786,005 shares bought and 8,381,766 shares sold, net −595,761 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,050 holders
| Vanguard Group Inc. | 0.04% | Add +1.0% | 14,392,082 | $2.5B |
| BlackRock, Inc. | 0.03% | Reduce -5.4% | 9,459,218 | $1.6B |
| T. Rowe Price Associates Inc. | 0.12% | Reduce -10.1% | 6,297,157 | $1.1B |
| State Street Corp. | 0.03% | Add +3.0% | 5,382,547 | $934.0M |
| JPMorgan Chase & Co. | 0.05% | Reduce -4.0% | 4,145,896 | $719.4M |
| Boston Partners | 0.70% | Reduce -3.1% | 3,913,326 | $680.0M |
| Geode Capital Management, LLC | 0.03% | Reduce -0.3% | 3,028,207 | $523.5M |
| Morgan Stanley | 0.03% | Add +17.8% | 2,693,568 | $467.4M |
| Victory Capital Management Inc. | 0.21% | Reduce -9.3% | 2,126,422 | $369.0M |
| Dimensional Fund Advisors LP | 0.07% | Add +1.3% | 1,931,548 | $335.2M |
| GMO | 0.81% | Add +4.0% | 1,816,060 | $315.1M |
| Wells Fargo & Company | 0.06% | Reduce -2.0% | 1,769,093 | $307.0M |
| Goldman Sachs Group Inc. | 0.04% | Add +60.7% | 1,708,925 | $296.5M |
| Invesco Ltd. | 0.03% | Reduce -1.3% | 1,666,979 | $289.3M |
| EdgePoint Investment Group Inc. | 2.37% | Add +95.5% | 1,661,072 | $288.2M |
| Bank of America Corp. | 0.02% | Reduce -0.7% | 1,622,938 | $281.6M |
| Davis Selected Advisers | 1.24% | Add +16.8% | 1,589,883 | $275.9M |
| Norges Bank | 0.02% | — | 1,322,663 | $229.5M |
| FMR LLC | 0.01% | Reduce -0.9% | 1,202,254 | $208.6M |
| UBS Group AG | 0.04% | Add +67.8% | 1,114,451 | $193.4M |
| Northern Trust Corp. | 0.02% | Reduce -6.5% | 1,078,573 | $187.2M |
| Fiduciary Management Inc. | 2.00% | Reduce -8.8% | 1,046,921 | $181.7M |
| M&G PLC | 0.88% | Reduce -13.3% | 945,052 | $164.4M |
| American Century Companies Inc. | 0.08% | Add +0.2% | 870,500 | $151.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.03% | Reduce -6.1% | 846,935 | $147.0M |
| Ameriprise Financial Inc. | 0.03% | Reduce -4.6% | 813,454 | $141.2M |
| Charles Schwab Investment Management Inc. | 0.02% | Add +0.5% | 751,054 | $130.3M |
| Legal & General Group Plc | 0.03% | Reduce -1.7% | 742,974 | $128.9M |
| Qube Research & Technologies Ltd | 0.18% | Add +38.4% | 733,456 | $127.3M |
| Bank of New York Mellon Corp | 0.02% | Reduce -18.4% | 670,741 | $116.4M |
| DekaBank Deutsche Girozentrale | 0.20% | No change | 748,680 | $114.3M |
| Alliancebernstein L.P. | 0.03% | Reduce -0.4% | 632,407 | $109.7M |
| Deutsche Bank AG | 0.03% | Add +16.2% | 609,081 | $105.7M |
| Squarepoint Ops LLC | 0.20% | Reduce -11.2% | 565,800 | $98.2M |
| Principal Financial Group Inc. | 0.05% | Reduce -0.6% | 531,286 | $92.2M |
| Crawford Investment Counsel Inc. | 1.44% | Add +0.4% | 496,499 | $86.2M |
| Amundi | 0.02% | Add +8.6% | 464,164 | $80.5M |
| Raymond James Financial Inc. | 0.03% | Add +1.1% | 463,282 | $80.4M |
| Artemis Investment Management LLP | 0.97% | Add +6.7% | 460,725 | $79.9M |
| Pacer Advisors, Inc. | 0.21% | Reduce -0.7% | 447,727 | $77.7M |
| Citadel Advisors | 0.05% | Add +225.6% | 425,236 | $73.8M |
| First Trust Advisors LP | 0.04% | Reduce -5.3% | 351,709 | $61.0M |
| California Public Employees Retirement System | 0.03% | Add +3.3% | 350,249 | $60.8M |
| Woodline Partners LP | 0.23% | Add +190.7% | 341,372 | $59.2M |
| Nuveen, LLC | 0.02% | Reduce -1.3% | 334,034 | $58.0M |
| Envestnet Asset Management Inc. | 0.02% | Reduce -11.7% | 333,803 | $57.9M |
| Barclays PLC | 0.02% | Add +32.7% | 333,302 | $57.8M |
| D. E. Shaw & Co. | 0.05% | New | 328,734 | $57.0M |
| CANADA LIFE ASSURANCE Co | 0.10% | Reduce -27.9% | 319,293 | $55.4M |
| Advisors Capital Management, LLC | 0.65% | Add +5.4% | 313,838 | $54.5M |
| Citigroup Inc. | 0.04% | Reduce -3.0% | 309,817 | $53.8M |
| Freestone Grove Partners LP | 0.39% | New | 309,214 | $53.7M |
| Swiss National Bank | 0.03% | Reduce -4.8% | 306,500 | $53.2M |
| Jane Street Group, LLC | 0.06% | Add +300.1% | 292,734 | $50.8M |
| Sumitomo Mitsui Trust Group, Inc. | 0.03% | Reduce -0.5% | 277,183 | $48.1M |
| Rhumbline Advisers | 0.04% | Add +0.7% | 276,463 | $48.0M |
| Quantinno Capital Management LP | 0.09% | Add +39.3% | 269,597 | $46.8M |
| Schroder Investment Management Group | 0.03% | Reduce -18.1% | 257,380 | $45.2M |
| Eurizon Capital SGR S.p.A. | 0.13% | — | 249,182 | $43.2M |
| Nomura Asset Management International Inc. | 0.06% | — | 246,054 | $42.7M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.03% | Add +2.3% | 229,410 | $39.9M |
| Royal Bank of Canada | 0.01% | Reduce -51.6% | 228,731 | $39.7M |
| BNP Paribas Financial Markets | 0.03% | Add +2.9% | 228,057 | $39.6M |
| HSBC Holdings PLC | 0.02% | Add +6.8% | 227,107 | $39.5M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.04% | Reduce -21.2% | 225,294 | $39.1M |
| Bank of Montreal | 0.02% | Add +7.3% | 217,384 | $37.7M |
| Acadian Asset Management LLC | 0.05% | Add +6735.2% | 190,975 | $33.1M |
| Bahl & Gaynor LLC | 0.16% | Reduce -13.6% | 187,288 | $32.5M |
| SG Americas Securities, LLC | 0.04% | Add +694.1% | 179,653 | $31.2M |
| Van Lanschot Kempen Investment Management N.V. | 0.26% | Reduce -48.7% | 175,146 | $30.4M |
| Conning Inc. | 1.06% | New | 173,262 | $30.1M |
| ANTIPODES PARTNERS Ltd | 0.63% | Add +178.7% | 171,987 | $29.8M |
| APG Asset Management N.V. | 0.08% | Reduce -7.1% | 197,892 | $29.2M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.05% | Add +3703.9% | 168,397 | $29.2M |
| California State Teachers Retirement System | 0.03% | Reduce -2.7% | 168,001 | $29.2M |
| Pictet Asset Management Holding SA | 0.03% | Reduce -22.7% | 162,253 | $28.2M |
| Cookson Peirce & Co. Inc. | 1.16% | Reduce -1.4% | 161,503 | $28.0M |
| Copeland Capital Management, LLC | 0.62% | Reduce -5.2% | 159,637 | $27.7M |
| Focus Partners Wealth | 0.03% | Add +8.9% | 153,982 | $26.7M |
| Braun Stacey Associates Inc. | 0.87% | Reduce -0.3% | 153,854 | $26.7M |
| Credit Agricole S A | 0.07% | Add +168.0% | 152,308 | $26.4M |
| Willis Investment Counsel | 1.36% | No change | 151,800 | $26.3M |
| Storebrand Asset Management As | 0.07% | No change | 142,908 | $24.8M |
| Skandinaviska Enskilda Banken AB (publ) | 0.10% | Reduce -13.6% | 139,936 | $24.3M |
| Achmea Investment Management B.V. | 0.61% | Reduce -4.3% | 137,988 | $23.9M |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.13% | No change | 123,876 | $21.5M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.03% | Reduce -35.9% | 119,869 | $20.9M |
| Stifel Financial Corp. | 0.02% | Add +0.1% | 113,022 | $19.6M |
| Silvercrest Asset Management Group LLC | 0.13% | Add +2.7% | 112,251 | $19.5M |
| &partners | 0.10% | Add +10.0% | 111,102 | $19.3M |
| Robeco Institutional Asset Management B.V. | 0.03% | Reduce -1.7% | 109,514 | $19.0M |
| Tocqueville Asset Management L.P. | 0.28% | Reduce -0.3% | 109,219 | $19.0M |
| Mackenzie Financial Corp. | 0.02% | Reduce -33.4% | 104,846 | $18.4M |
| Aberdeen Group plc | 0.03% | Reduce -0.7% | 104,886 | $18.2M |
| Moran Wealth Management, LLC | 0.55% | Reduce -1.0% | 104,064 | $18.1M |
| Blair William & Co. | 0.05% | Add +5.6% | 103,375 | $17.9M |
| Candriam S.C.A. | 0.09% | Add +41.6% | 101,727 | $17.7M |
| Voya Investment Management LLC | 0.02% | Reduce -33.8% | 101,628 | $17.6M |
| Point72 Asset Management | 0.03% | New | 100,301 | $17.4M |
| Wellington Management Group LLP | 0.00% | Reduce -93.0% | 100,146 | $17.4M |
"% of holder's portfolio" is DGX's weight in each manager's 13F, not the share of Quest Diagnostics Inc. the manager owns.