36 institutions reported holding $85.8M of QUEST DIAGNOSTICS INC (DGX) in SEC 13F filings for 2026-06-30. Largest institutional holders: EASTERN BANK ($40.3M), JGP Wealth Management, LLC ($14.2M), Czech National Bank ($6.7M), MassMutual Private Wealth & Trust, FSB ($4.3M), Assenagon Asset Management S.A. ($3.3M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | EASTERN BANK | $40.3M | 189,969 | Added |
| 2 | JGP Wealth Management, LLC | $14.2M | 66,982 | Trimmed |
| 3 | Czech National Bank | $6.7M | 31,508 | Added |
| 4 | MassMutual Private Wealth & Trust, FSB | $4.3M | 20,135 | Trimmed |
| 5 | Assenagon Asset Management S.A. | $3.3M | 15,405 | Added |
| 6 | PensionDanmark Pensionsforsikringsaktieselskab | $3.0M | 14,000 | New |
| 7 | Somerset Trust Co | $2.0M | 9,282 | Added |
| 8 | Hennion & Walsh Asset Management, Inc. | $1.6M | 7,712 | Trimmed |
| 9 | Hilltop National Bank | $1.6M | 7,504 | Trimmed |
| 10 | CX Institutional | $1.5M | 6,874 | Trimmed |
| 11 | Breakwater Capital Group | $1.2M | 5,473 | Trimmed |
| 12 | GAMMA Investing LLC | $1.1M | 5,295 | Added |
| 13 | Byrne Asset Management LLC | $1.1M | 5,078 | Trimmed |
| 14 | Martin Capital Partners, LLC | $1.0M | 4,897 | Trimmed |
| 15 | Hobart Private Capital, LLC | $572,901 | 2,703 | Trimmed |
| 16 | FIRST FINANCIAL BANK - TRUST DIVISION | $365,825 | 1,726 | Trimmed |
| 17 | Central Pacific Bank - Trust Division | $340,604 | 1,607 | Added |
| 18 | Adelphi Trust Co | $260,699 | 1,230 | Added |
| 19 | Victrix Investment Advisors | $256,460 | 1,210 | Trimmed |
| 20 | First County Bank /CT/ | $239,291 | 1,129 | Added |
| 21 | CoreCap Advisors, LLC | $227,527 | 1,073 | Added |
| 22 | Longboard Asset Management, LP | $219,580 | 1,036 | Hold |
| 23 | ROCKLAND TRUST CO | $204,956 | 967 | Trimmed |
| 24 | Versant Capital Management, Inc | $173,799 | 820 | Trimmed |
| 25 | Grove Bank & Trust | $89,443 | 422 | Added |
Source: SEC Form 13F filings · as of 2026-06-30