Quest Diagnostics Inc
QDI
Company Profile
Business description
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 97% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,400 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.
Contact
500 Plaza Drive
SecaucusNJ07094
USAT: +1 973 520-2700
Sector
Healthcare
Stock type
Defensive
Industry
Diagnostics & Research
Fiscal Year End
31 December 2026
Employees
57,000
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Markets
Index | Last price | Change | % Change |
|---|---|---|---|
| All Ordinaries | 8,855.90 | 79.60 | -0.89% |
| CAC 40 | 8,218.24 | 26.05 | -0.32% |
| DAX 40 | 24,773.72 | 171.23 | -0.69% |
| Dow JONES (US) | 51,320.70 | 241.23 | -0.47% |
| FTSE 100 | 10,368.05 | 7.73 | 0.07% |
| HKSE | 24,961.95 | 291.45 | -1.15% |
| NASDAQ | 26,181.14 | 649.81 | -2.42% |
| Nikkei 225 | 66,588.12 | 882.57 | -1.31% |
| NZX 50 Index | 13,161.97 | 60.36 | 0.46% |
| S&P 500 | 7,480.35 | 103.96 | -1.37% |
| S&P/ASX 200 | 8,625.10 | 80.00 | -0.92% |
| SSE Composite Index | 4,027.74 | 30.04 | -0.74% |