NYSE: DGXQuest Diagnostics Inc Stock Ownership - Who owns Quest Diagnostics?
Insider buying vs selling
Have Quest Diagnostics Inc insiders been buying or selling?
Buy
Sell
| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Gary M. Pfeiffer | Director | 2025-10-22 | 1,482 | $182.40 | $270.32kSell |
| Robert B. Carter | Director | 2025-10-21 | 6 | $189.09 | $1.13kBuy |
| Sam Samad | Executive Vice President CFO | 2025-10-21 | 68 | $189.08 | $12.86kBuy |
| Mark E. Delaney | SVP Chief Commercial Officer | 2025-10-21 | 15 | $189.08 | $2.84kBuy |
| Patrick Plewman | SVP for Diagnostic Services | 2025-10-21 | 46 | $189.08 | $8.70kBuy |
| Karthik Kuppusamy | SVP Clinical Solutions | 2025-10-21 | 15 | $189.08 | $2.84kBuy |
| Vicky B. Gregg | Director | 2025-10-21 | 70 | $189.08 | $13.24kBuy |
| Michael E. Prevoznik | SVP General Counsel | 2025-09-26 | 144 | $188.66 | $27.17kSell |
| Michael E. Prevoznik | SVP General Counsel | 2025-09-26 | 227 | $103.57 | $23.51kBuy |
| Michael E. Prevoznik | SVP General Counsel | 2025-09-26 | 83 | $187.22 | $15.54kSell |
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Net Insider Buy/Sell (L12M) Ownership
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DGX Shareholders
What type of owners hold Quest Diagnostics Inc stock?
Institutional
Insider
Retail
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Vanguard Group Inc | 12.80% | 14,233,576 | $2.50B | Institution |
| Blackrock Inc | 9.27% | 10,312,975 | $1.81B | Institution |
| Price T Rowe Associates Inc | 6.47% | 7,194,697 | $1.27B | Institution |
| State Street Corp | 4.66% | 5,184,999 | $912.30M | Institution |
| Jpmorgan Chase Co | 3.89% | 4,331,660 | $762.16M | Institution |
| Boston Partners | 2.73% | 3,039,848 | $534.86M | Institution |
| Geode Capital Management LLC | 2.68% | 2,982,415 | $524.76M | Institution |
| Victory Capital Management Inc | 2.53% | 2,809,226 | $494.28M | Institution |
| Morgan Stanley | 1.93% | 2,145,104 | $377.43M | Institution |
| Dimensional Fund Advisors LP | 1.71% | 1,901,355 | $334.54M | Institution |
DGX vs Diagnostic & Research Stocks
Quest Diagnostics Stock Ownership FAQ
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Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.