Cigna Corp vs Quest Diagnostics Inc — how do they compare? Cigna Corp trades at $302.09 (market cap $80.25B), while Quest Diagnostics Inc trades at $205.45 (market cap $22.80B). The key difference: Cigna Corp is far larger — about 3.5× Quest Diagnostics Inc's market cap, and Cigna Corp pays the higher dividend (2.06%). Which is the better fit depends on your goals.
| CI | DGX | |
|---|---|---|
Market Cap | $80.25B | $22.80B |
Sector | Health | Health |
52-Week High | $311.00 | $216.02 |
52-Week Low | $244.41 | $166.42 |
Enterprise Value | $103.35B | $28.82B |
Dividend Yield | 2.06% | 1.67% |
Signals from Pluang's Aura AI — not financial advice
Cigna (CI) trades at $304.50, up 3.76% today, with a bullish technical outlook and strong analyst support. The stock shows consistent earnings beats, with Q1 2026 EPS of $7.79 exceeding the $7.60 estimate. Valuation metrics appear attractive with a P/E of 12.91 and P/S of 0.29. Recent news highlights strategic AI investments in pharmacy services and positive sector sentiment.
The investment case centers on undervaluation, earnings momentum, and dividend yield, though risks include regulatory challenges and moderating cash flow. With a consensus price target of $339.82 implying 11.6% upside, Wall Street maintains a bullish stance, but investors should weigh execution risks against growth initiatives.
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.
Trailing returns across standard periods
Cigna primarily provides pharmacy benefit management and health insurance services. Its PBM services were greatly expanded by its 2018 merger with Express Scripts and are mostly sold to health insurance plans and employers. Its largest PBM contract is the Department of Defense. In health insurance and other benefits, Cigna mostly serves employers through self-funding arrangements, but it also operates in government programs, such as Medicare Advantage. The company operates mostly in the U.S. with 15 million medical members covered as of the end of 2020, but its services extend internationally, covering another 2 million people.
Read more on CI →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 →