QUEST DIAGNOSTICS INCORPORATED
Ownership & governance
Executives 5Directors 10Avg age 65Avg tenure 7y
JD
James Davis
Chief Executive Officer
Age 63Since 2022-02-02Profile →
+14
Executives5
Board of directors10
GP
Gary Pfeiffer→
Director/Board Member
Age 76Since 2004-11-30
TR
Timothy Ring→
Director/Board Member
Age 68Since 2011-12-06
JD
James Davis→
Chairman
Age 63Since 2023-03-31
TM
Timothy Main→
Director/Board Member
Age 68Since 2014-01-12
VG
Vicky Gregg→
Director/Board Member
Age 71Since 2014-07-21
DM
Denise Morrison→
Director/Board Member
Age 72Since 2019-02-17
WL
Wright Lassiter→
Director/Board Member
Age 62Since 2020-03-11
TD
Tracey Doi→
Director/Board Member
Age 65Since 2021-08-16
Shareholders5
| Name | Stake | Shares |
|---|---|---|
| Vanguard Capital Management LLC | 6.455 % | 7,145,672 |
| BlackRock Advisors LLC | 6.254 % | 6,922,499 |
| T. Rowe Price International Ltd. | 5.689 % | 6,297,987 |
| Vanguard Portfolio Management LLC | 5.494 % | 6,081,400 |
| STATE STREET CORPORATION | 4.861 % | 5,380,821 |
Catalog · 2026-07-09
Registry officers15
| Name | Role | Since | Shares |
|---|---|---|---|
| Darren Wheeler | Chief Tech/Sci/R&D Officer | 2022-02-28 | - |
| James Davis | Chief Executive Officer | 2022-02-02 | - |
| James Davis | Chairman | 2023-03-31 | - |
| Murali Balakumar | Chief Tech/Sci/R&D Officer | 2024-05-05 | - |
| Sam Samad | Director of Finance/CFO | 2022-07-10 | - |
| Yuri Fesko | Chief Tech/Sci/R&D Officer | 2022-06-30 | - |
| Denise Morrison | Director/Board Member | 2019-02-17 | - |
| Gary Pfeiffer | Director/Board Member | 2004-11-30 | - |
Registry · as of 2026-07-09
Group companies
| Name | Category |
|---|---|
| Quest Diagnostics Clinical Laboratories, Inc. | Miscellaneous Commercial Services |
| Quest Diagnostics HTAS India Pvt Ltd. | — |
| Quest Diagnostics HTAS India Pvt Ltd. | — |
| Quest Diagnostics India Pvt Ltd. | Medical/Nursing Services |
| Quest Diagnostics India Pvt Ltd. | Medical/Nursing Services |
Institutional (13F)
Loading Form 13F holders…
Fund membership
Loading fund baskets…
Street consensus
Consensus buyMean target 248.8Range 204–265Analysts 15
204Mean 248.8265
- Strong buy 2
- Buy 7
- Hold 7
- Strong sell 1
Broker actions40 of 258
| Firm | Action | To | Target | Date |
|---|---|---|---|---|
| Barclays | Maintained | Overweight | 260 | 2026-10-07 |
| Truist Securities | Maintained | Hold | 260 | 2026-09-21 |
| UBS | Maintained | Neutral | 245 | 2026-09-08 |
| JP Morgan | Maintained | Neutral | 250 | 2026-07-28 |
| UBS | Maintained | Neutral | 232 | 2026-07-25 |
| Mizuho | Maintained | Outperform | 260 | 2026-07-24 |
| Truist Securities | Maintained | Hold | 250 | 2026-07-24 |
| Barclays | Maintained | Overweight | 250 | 2026-07-24 |
| Baird | Maintained | Neutral | 255 | 2026-07-24 |
| Baird | Maintained | Neutral | 236 | 2026-07-13 |
| UBS | Maintained | Neutral | 220 | 2026-04-22 |
| Baird | Maintained | Neutral | 229 | 2026-04-22 |
Firm rows and rating mix from Yahoo Finance; mean target is Yahoo’s aggregate until OpenFilings derives consensus from broker rows.