Quest Diagnostics Inc vs Realty Income Corp — how do they compare? Quest Diagnostics Inc trades at $205.45 (market cap $22.80B), while Realty Income Corp trades at $63.76 (market cap $59.47B). The key difference: Realty Income Corp is far larger — about 2.6× Quest Diagnostics Inc's market cap, and Realty Income Corp pays the higher dividend (5.1%). Which is the better fit depends on your goals.
| DGX | O | |
|---|---|---|
Market Cap | $22.80B | $59.47B |
Sector | Health | Real Estate |
52-Week High | $216.02 | $67.56 |
52-Week Low | $166.42 | $55.93 |
Enterprise Value | $28.82B | $89.27B |
Dividend Yield | 1.67% | 5.1% |
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.
Realty Income (O) trades at $64.17, up 1.36% with a bullish technical outlook. The stock shows strong fundamentals with $5.75B revenue and 19.05% net income margin, though recent quarters have missed EPS estimates. Recent credit facility expansion to $5.5B supports growth initiatives, particularly in European markets. Dividend payments remain consistent at $0.27 quarterly, providing stable income for investors.
Outlook remains positive with analyst consensus target of $67.86 representing 5.8% upside. Risks include elevated P/E ratio of 51.89 and three consecutive quarterly earnings misses. The company's expansion strategy and strong cash flow generation support long-term growth potential, though valuation concerns warrant monitoring of future earnings performance.
Trailing returns across standard periods
Latest headlines on both assets
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 →Realty Income owns roughly 11,400 properties, most of which are freestanding, single-tenant, triple-net-leased retail properties. Its properties are located in 49 states and Puerto Rico and are leased to 250 tenants from 47 industries. Recent acquisitions have added industrial, office, manufacturing, and distribution properties, which make up roughly 17% of revenue.
Read more on O →