Quest Diagnostics Incorporated
Explore Quest Diagnostics
Core profile pages, annual revenue records, and related research hubs for this company.
Quest Diagnostics Incorporated
Explore Quest Diagnostics
Core profile pages, annual revenue records, and related research hubs for this company.
Financial Performance
Revenue
$11.035B
Market Cap
$20.0B
Net Income
$992M
Employees
57,000
Quest Diagnostics reported FY2025 net revenues of $11.035B, up 11.8% from FY2024. Operating income rose to $1.556B, and net income attributable to Quest Diagnostics increased to $992M. Adjusted operating income was $1.759B, equal to a 15.9% adjusted operating margin, and cash provided by operations was $1.886B. Q1 2026 showed the momentum continuing. Quest reported $2.895B of revenue, up 9.2%, with 9.0% organic revenue growth. Reported diluted EPS was $2.24, adjusted diluted EPS was $2.50, and management raised full-year 2026 revenue guidance to $11.78B-$11.90B. The key financial question is whether Quest can keep balancing acquisition integration, organic volume growth, reimbursement pressure, and automation-driven productivity. The LifeLabs acquisition increased scale, but it also makes execution and integration more important.
Revenue Trend Analysis
YoY Change
+11.8%
2-Year CAGR
+9.2%
Peak Year
2025
Trend
Consistent Growth
Quest Diagnostics Incorporated has reported revenue across 3 fiscal years, compounding at +9.2% annually over 2 years. The most recent year saw a 11.8% increase versus the prior year. Revenue peaked in 2025 at $11.0B. Out of 2 reported periods, 2 showed growth and 0 showed a decline.
| Fiscal Year | Revenue | Net Income | YoY Change |
|---|---|---|---|
| FY2025 | $11.0B | $992M | +11.8% |
| FY2024 | $9.9B | $871M | +6.7% |
| FY2023 | $9.3B | $854M | — |
Source: SEC EDGAR filings, annual earnings releases, and verified financial disclosures.
Click any row to see year details.
Quest Diagnostics reported $11.035B in FY2025 net revenues.
Quest Diagnostics reported $992M in FY2025 net income attributable to Quest Diagnostics.
Quest Diagnostics had nearly 57,000 employees globally as of December 31, 2025.
James E. (Jim) Davis is chairman, CEO, and president of Quest Diagnostics.
Quest Diagnostics reported Q1 2026 revenues of $2.895B, up 9.2%, with 9.0% organic revenue growth.
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CorpDigest. "Quest Diagnostics Incorporated Revenue & Financials." CorpDigest, https://corpdigest.com/company/quest-diagnostics/financials.<div style="font-family:system-ui,sans-serif;font-size:14px;line-height:1.5;border:1px solid #e2e8f0;border-radius:8px;padding:12px 16px;max-width:520px"><strong>Quest Diagnostics Incorporated reported $11B in revenue (FY2025).</strong><br>Source: <a href="https://corpdigest.com/company/quest-diagnostics/financials" target="_blank" rel="noopener">CorpDigest — Quest Diagnostics Incorporated financials</a></div>