Quest Diagnostics Inc vs Marsh & McLennan Companies, Inc. — how do they compare? Quest Diagnostics Inc trades at $202.3 (market cap $22.80B), while Marsh & McLennan Companies, Inc. trades at $175.97 (market cap $85.78B). The key difference: Marsh & McLennan Companies, Inc. is far larger — about 3.8× Quest Diagnostics Inc's market cap, and Marsh & McLennan Companies, Inc. pays the higher dividend (2.22%). Which is the better fit depends on your goals.
| DGX | MRSH | |
|---|---|---|
Market Cap | $22.80B | $85.78B |
Sector | Health | Financials |
52-Week High | $216.02 | $212.28 |
52-Week Low | $166.42 | $157.32 |
Enterprise Value | $28.82B | $106.62B |
Dividend Yield | 1.67% | 2.22% |
Signals from Pluang's Aura AI — not financial advice
Quest Diagnostics (DGX) trades at $207.35, showing minimal daily movement with a slight decline of 0.04%. The stock maintains a bullish technical stance with recent earnings beats and analyst consensus pointing to upside potential. Recent developments include New York State approval for Haystack MRD testing and strong momentum across diagnostic channels. Revenue growth accelerated to $11.04 billion in 2025 with consistent profitability margins around 9%.
DGX presents a balanced investment case with 38% analyst buy ratings and a $227.75 price target suggesting 10% upside. The company demonstrates steady revenue growth and operational efficiency, though elevated debt levels and policy risks require monitoring. Second quarter earnings on July 23, 2026, will be crucial for validating current momentum and growth trajectory.
Marsh (MRSH) trades at $181.53, up 1.81% with a bullish technical signal from moving averages. The company demonstrates strong fundamentals with consistent earnings beats, including Q1 2026 EPS of $3.29 exceeding expectations. Revenue grew to $26.98B in 2025 with a 14.26% net margin, while recent dividend increases and strategic acquisitions highlight management's confidence in cash flow generation.
The stock presents a balanced outlook with 33% analyst buy ratings and a $203.67 consensus target offering 12% upside. However, elevated valuation ratios and bearish oscillators suggest near-term consolidation risk. Key catalysts include Q2 2026 earnings and sustained organic growth amid easing insurance pricing headwinds.
Trailing returns across standard periods
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the U.S. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 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.
Read more on DGX →Marsh & McLennan Companies Inc is a professional services firm that provides advice and solutions in the areas of risk, strategy, and human capital. The company operates through two main segments: risk and insurance services and consulting. In risk and insurance services, the firm offers services via Marsh (an insurance broker) and Guy Carpenter (a risk and reinsurance specialist). The consulting division comprises Mercer (a provider of human resource services) and Oliver Wyman (management and economic consultancy).
Read more on MRSH →