# QUEST DIAGNOSTICS INC (DGX)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/DGX/

- Reporting holders: 46
- Reported value: $170.8M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Artemis Investment Management LLP](https://holderbook.com/funds/1535385-artemis-investment-management-llp/) | $78.0M | 334,585 | 0.7% | 6 |
| [EASTERN BANK](https://holderbook.com/funds/1126395-eastern-bank/) | $48.4M | 207,720 | 0.7% | 4 |
| [SAPIENT CAPITAL LLC](https://holderbook.com/funds/1998653-sapient-capital-llc/) | $7.6M | 32,609 | 0.1% | 1 |
| [TOTH FINANCIAL ADVISORY CORP](https://holderbook.com/funds/866780-toth-financial-advisory-corp/) | $7.4M | 31,813 | 0.7% | 32 |
| [MassMutual Private Wealth & Trust, FSB](https://holderbook.com/funds/1103653-massmutual-private-wealth-trust-fsb/) | $4.6M | 19,589 | 0.1% | 32 |
| [ZEVENBERGEN CAPITAL INVESTMENTS LLC](https://holderbook.com/funds/1276918-zevenbergen-capital-investments-llc/) | $2.9M | 12,325 | 0.1% | 6 |
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $2.2M | 9,331 | 0.0% | 16 |
| [AMERICAN NATIONAL BANK & TRUST](https://holderbook.com/funds/1272164-american-national-bank-trust/) | $2.0M | 8,646 | 0.2% | 7 |
| [DIVERSIFIED MANAGEMENT INC](https://holderbook.com/funds/922372-diversified-management-inc/) | $1.7M | 7,179 | 0.3% | 4 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $1.7M | 7,167 | 0.1% | 12 |
| [Breakwater Capital Group](https://holderbook.com/funds/1964309-breakwater-capital-group/) | $1.3M | 5,423 | 0.1% | 3 |
| [DLK Investment Management, LLC](https://holderbook.com/funds/2016793-dlk-investment-management-llc/) | $1.2M | 5,248 | 0.4% | 12 |
| [Byrne Asset Management LLC](https://holderbook.com/funds/1911322-byrne-asset-management-llc/) | $1.2M | 5,073 | 0.7% | 20 |
| [Martin Capital Partners, LLC](https://holderbook.com/funds/1731216-martin-capital-partners-llc/) | $1.1M | 4,785 | 0.4% | 31 |
| [Venture Visionary Partners LLC](https://holderbook.com/funds/1792283-venture-visionary-partners-llc/) | $1.0M | 4,456 | 0.0% | 21 |
| [Galvin, Gaustad & Stein, LLC](https://holderbook.com/funds/1840945-galvin-gaustad-stein-llc/) | $917.1K | 3,935 | 0.1% | 24 |
| [STEPH & CO](https://holderbook.com/funds/941519-steph-co/) | $813.9K | 3,492 | 0.2% | 11 |
| [Wedmont Private Capital](https://holderbook.com/funds/1904274-wedmont-private-capital/) | $794.5K | 3,442 | 0.0% | 10 |
| [Werlinich Asset Management, LLC](https://holderbook.com/funds/2000493-werlinich-asset-management-llc/) | $717.9K | 3,080 | 0.3% | 23 |
| [Emergent Wealth Advisors, LLC](https://holderbook.com/funds/1799880-emergent-wealth-advisors-llc/) | $652.6K | 2,800 | 0.3% | 9 |
| [Acropolis Investment Management, LLC](https://holderbook.com/funds/1318601-acropolis-investment-management-llc/) | $494.8K | 2,123 | 0.0% | 32 |
| [Montecito Bank & Trust](https://holderbook.com/funds/1422508-montecito-bank-trust/) | $476.4K | 2,044 | 0.1% | 15 |
| [O'Keefe Stevens Advisory, Inc.](https://holderbook.com/funds/1780565-o-keefe-stevens-advisory-inc/) | $437.0K | 1,875 | 0.1% | 36 |
| [FIRST FINANCIAL BANK - TRUST DIVISION](https://holderbook.com/funds/1315339-first-financial-bank-trust-division/) | $402.3K | 1,726 | 0.0% | 28 |
| [Sound Income Strategies, LLC](https://holderbook.com/funds/1730960-sound-income-strategies-llc/) | $391.0K | 1,694 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 46 | $170.8M |
| Q2 2026 | 1,113 | $23.9B |
| Q1 2026 | 1,066 | $20.6B |
| Q4 2025 | 1,051 | $18.6B |
| Q3 2025 | 1,008 | $21.0B |
| Q2 2025 | 995 | $19.7B |
| Q1 2025 | 972 | $17.7B |
| Q4 2024 | 900 | $15.1B |
| Q3 2024 | 853 | $15.5B |
| Q2 2024 | 841 | $13.7B |
| Q1 2024 | 818 | $14.1B |
| Q4 2023 | 835 | $14.2B |