Quest DiagnosticsDGX
13F holders, Q3 2025 (September 30)1,006holders +15
103new positions
79sold out
7famous investors
$190.25avg. 13F price*
At the end of Q3 2025, 1,006 institutions reported holding Quest Diagnostics Inc. (DGX) in their 13F filings, up 15 from Q2 2025. 103 opened new positions and 79 sold out. The largest holders were Vanguard Group Inc. ($2.7B), BlackRock, Inc. ($1.9B) and T. Rowe Price Associates Inc. ($1.3B). 7 famous investors held it, including Jeremy Grantham (0.9% of GMO's portfolio), Lee Ainslie (0.0% of Maverick Capital's portfolio) and Joel Greenblatt (0.0% 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 103 | $109.6M |
| Exits | 79 | $119.4M |
All 13F filers, Q2 2025 → Q3 2025: 5,828,827 shares bought and 6,942,810 shares sold, net −1,113,983 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,006 holders
| Vanguard Group Inc. | 0.04% | Add +0.1% | 14,251,632 | $2.7B |
| BlackRock, Inc. | 0.03% | Reduce -3.0% | 10,002,035 | $1.9B |
| T. Rowe Price Associates Inc. | 0.14% | Reduce -2.6% | 7,005,990 | $1.3B |
| State Street Corp. | 0.03% | Add +0.8% | 5,223,930 | $995.6M |
| JPMorgan Chase & Co. | 0.05% | Reduce -0.3% | 4,317,391 | $822.8M |
| Boston Partners | 0.79% | Add +32.8% | 4,036,881 | $768.0M |
| Geode Capital Management, LLC | 0.04% | Add +1.8% | 3,036,485 | $576.4M |
| Victory Capital Management Inc. | 0.26% | Reduce -16.6% | 2,343,974 | $446.7M |
| Morgan Stanley | 0.03% | Add +6.6% | 2,286,910 | $435.8M |
| Dimensional Fund Advisors LP | 0.08% | Add +0.3% | 1,907,510 | $363.5M |
| Wells Fargo & Company | 0.07% | Reduce -1.7% | 1,805,294 | $344.1M |
| GMO | 0.94% | Reduce -0.1% | 1,746,400 | $332.8M |
| Invesco Ltd. | 0.05% | Add +1.8% | 1,688,769 | $321.8M |
| Bank of America Corp. | 0.02% | Add +2.2% | 1,635,075 | $311.6M |
| Wellington Management Group LLP | 0.05% | Reduce -9.8% | 1,441,883 | $274.8M |
| Davis Selected Advisers | 1.35% | Add +0.5% | 1,361,612 | $259.5M |
| FMR LLC | 0.01% | Reduce -1.8% | 1,213,372 | $231.2M |
| Northern Trust Corp. | 0.03% | Reduce -2.1% | 1,153,325 | $219.8M |
| Fiduciary Management Inc. | 2.21% | Reduce -3.2% | 1,147,534 | $218.7M |
| M&G PLC | 1.16% | Add +1.6% | 1,090,377 | $208.3M |
| Goldman Sachs Group Inc. | 0.03% | Add +64.7% | 1,063,716 | $202.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.04% | Reduce -25.9% | 901,611 | $171.8M |
| American Century Companies Inc. | 0.08% | Add +9.4% | 869,085 | $165.6M |
| Ameriprise Financial Inc. | 0.04% | Add +1.3% | 852,826 | $162.5M |
| EdgePoint Investment Group Inc. | 1.21% | Add +66757.0% | 849,752 | $161.9M |
| Bank of New York Mellon Corp | 0.03% | Reduce 0.0% | 821,580 | $156.6M |
| Legal & General Group Plc | 0.03% | Add +3.0% | 755,675 | $144.0M |
| Charles Schwab Investment Management Inc. | 0.02% | Add +0.1% | 747,051 | $142.4M |
| DekaBank Deutsche Girozentrale | 0.24% | No change | 748,680 | $140.9M |
| UBS Group AG | 0.02% | Reduce -32.1% | 664,290 | $126.6M |
| Squarepoint Ops LLC | 0.26% | Reduce -24.4% | 637,292 | $121.5M |
| Alliancebernstein L.P. | 0.04% | Reduce -48.9% | 634,773 | $121.0M |
| Marshall Wace, LLP | 0.12% | Add +171.7% | 557,155 | $106.2M |
| Principal Financial Group Inc. | 0.05% | Reduce -4.8% | 534,470 | $101.9M |
| Qube Research & Technologies Ltd | 0.14% | Add +26.9% | 529,800 | $101.0M |
| Deutsche Bank AG | 0.03% | Reduce -2.5% | 524,146 | $99.9M |
| Neuberger Berman Group LLC | 0.07% | Reduce -27.6% | 518,496 | $98.8M |
| Crawford Investment Counsel Inc. | 1.56% | Add +1.9% | 494,432 | $94.2M |
| Royal Bank of Canada | 0.02% | Reduce -46.8% | 472,229 | $90.0M |
| Raymond James Financial Inc. | 0.03% | Reduce -10.3% | 458,037 | $87.3M |
| Pacer Advisors, Inc. | 0.23% | Add +2531.6% | 450,898 | $85.9M |
| CANADA LIFE ASSURANCE Co | 0.12% | Add +14.6% | 442,661 | $83.6M |
| Artemis Investment Management LLP | 1.02% | Add +93.2% | 431,641 | $82.3M |
| Amundi | 0.02% | Reduce -3.6% | 427,554 | $76.3M |
| Envestnet Asset Management Inc. | 0.02% | Reduce -4.0% | 378,171 | $72.1M |
| First Trust Advisors LP | 0.05% | Add +5.7% | 371,548 | $70.8M |
| Van Lanschot Kempen Investment Management N.V. | 0.58% | Reduce -16.3% | 341,653 | $65.1M |
| California Public Employees Retirement System | 0.04% | Reduce -16.6% | 338,981 | $64.6M |
| Nuveen, LLC | 0.02% | Reduce -0.3% | 338,247 | $64.5M |
| Swiss National Bank | 0.04% | Reduce -4.8% | 321,800 | $61.3M |
| Citigroup Inc. | 0.04% | Add +8.7% | 319,354 | $60.9M |
| Schroder Investment Management Group | 0.05% | Reduce -11.1% | 314,445 | $59.4M |
| Advisors Capital Management, LLC | 0.71% | Add +5.0% | 297,644 | $56.7M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.14% | Reduce -2.7% | 286,062 | $54.2M |
| Sumitomo Mitsui Trust Group, Inc. | 0.03% | Add +1.3% | 278,652 | $53.1M |
| 8 Knots Management, LLC | 5.94% | Add +56.0% | 275,344 | $52.5M |
| Rhumbline Advisers | 0.04% | Reduce -1.9% | 274,446 | $52.3M |
| Macquarie Group Ltd. | 0.06% | Reduce -7.0% | 271,321 | $51.7M |
| Barclays PLC | 0.02% | Reduce -29.5% | 251,132 | $47.9M |
| RTW Investments, LP | 0.59% | Reduce -50.0% | 250,000 | $47.6M |
| National Pension Service | 0.03% | Add +3.4% | 234,891 | $44.8M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.03% | Add +3.8% | 224,372 | $42.8M |
| BNP Paribas Financial Markets | 0.03% | Reduce -10.4% | 221,570 | $42.2M |
| Balyasny Asset Management L.P. | 0.09% | New | 221,503 | $42.2M |
| Bahl & Gaynor LLC | 0.21% | Reduce -22.9% | 216,704 | $41.3M |
| HSBC Holdings PLC | 0.02% | Reduce -4.3% | 212,746 | $40.5M |
| Pictet Asset Management Holding SA | 0.04% | Reduce -34.3% | 209,916 | $40.0M |
| Bank of Montreal | 0.02% | Add +0.3% | 202,602 | $38.6M |
| Quantinno Capital Management LP | 0.10% | Add +274.5% | 193,514 | $36.9M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.06% | Reduce -5.7% | 187,083 | $35.7M |
| APG Asset Management N.V. | 0.10% | Reduce -5.3% | 212,972 | $34.5M |
| California State Teachers Retirement System | 0.03% | Reduce -8.6% | 172,712 | $32.9M |
| Copeland Capital Management, LLC | 0.67% | Reduce -4.5% | 168,375 | $32.1M |
| Cookson Peirce & Co. Inc. | 1.28% | Reduce -3.5% | 163,778 | $31.2M |
| Skandinaviska Enskilda Banken AB (publ) | 0.12% | Reduce -14.4% | 161,916 | $30.9M |
| Allianz Asset Management GmbH | 0.04% | Reduce -48.1% | 157,850 | $30.1M |
| Mackenzie Financial Corp. | 0.04% | Add +0.6% | 157,355 | $30.0M |
| Braun Stacey Associates Inc. | 0.96% | Add +13.6% | 154,369 | $29.4M |
| Voya Investment Management LLC | 0.03% | Reduce -62.0% | 153,409 | $29.2M |
| Willis Investment Counsel | 1.58% | Add +10.9% | 151,800 | $28.9M |
| Achmea Investment Management B.V. | 0.34% | Add +5.2% | 144,209 | $27.5M |
| Storebrand Asset Management As | 0.07% | Add +62.9% | 142,908 | $27.2M |
| Focus Partners Wealth | 0.04% | Add +161.5% | 141,357 | $26.9M |
| Citadel Advisors | 0.02% | Add +364.9% | 130,614 | $24.9M |
| Manufacturers Life Insurance Company, The | 0.02% | Reduce -42.1% | 127,457 | $24.3M |
| Natixis Advisors, LLC | 0.04% | Reduce -1.3% | 127,364 | $24.3M |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.15% | No change | 123,876 | $23.6M |
| TD Asset Management Inc | 0.02% | Reduce -0.1% | 120,881 | $23.0M |
| AEGON ASSET MANAGEMENT UK Plc | 0.27% | No change | 118,391 | $22.6M |
| Woodline Partners LP | 0.11% | Reduce -20.9% | 117,436 | $22.4M |
| Treasurer of the State of North Carolina | 0.07% | Reduce -1.7% | 113,976 | $21.7M |
| Stifel Financial Corp. | 0.02% | Reduce -2.4% | 112,942 | $21.5M |
| Robeco Institutional Asset Management B.V. | 0.03% | Reduce -3.8% | 111,454 | $21.2M |
| Tocqueville Asset Management L.P. | 0.30% | Reduce -1.6% | 109,559 | $20.9M |
| Silvercrest Asset Management Group LLC | 0.14% | Add +1.2% | 109,341 | $20.8M |
| Rockefeller Capital Management L.P. | 0.04% | Reduce -1.9% | 105,216 | $20.1M |
| Moran Wealth Management, LLC | 0.60% | Add +1.8% | 105,151 | $20.0M |
| Aberdeen Group plc | 0.03% | Add +1.3% | 105,661 | $20.0M |
| &partners | 0.12% | Add +12.7% | 101,014 | $19.3M |
| Russell Investments Group, Ltd. | 0.02% | Add +12.4% | 99,877 | $19.0M |
"% of holder's portfolio" is DGX's weight in each manager's 13F, not the share of Quest Diagnostics Inc. the manager owns.