Quest Diagnostics Inc vs Realty Income Corp — how do they compare? Quest Diagnostics Inc trades at $237.06 (market cap $26.21B), while Realty Income Corp trades at $61.97 (market cap $58.56B). The key difference: Realty Income Corp is far larger — about 2.2× Quest Diagnostics Inc's market cap, and Realty Income Corp pays the higher dividend (5.25%). Which is the better fit depends on your goals.
| DGX | O | |
|---|---|---|
Market Cap | $26.21B | $58.56B |
Sector | Health | Real Estate |
52-Week High | $238.50 | $67.56 |
52-Week Low | $173.49 | $55.93 |
Enterprise Value | $31.97B | $89.19B |
Dividend Yield | 1.45% | 5.25% |
Signals from Pluang's Aura AI — not financial advice
Quest Diagnostics (DGX) trades at $237.63, down slightly by 0.3% today, but maintains strong momentum with three consecutive quarterly earnings beats and a raised 2026 outlook. The stock shows bullish technical signals with moving averages supporting upward trends, while fundamentals reveal solid revenue growth to $11.04 billion in 2025 and improving profit margins. Recent news highlights surging testing demand and AI implementation driving operational efficiency.
DGX presents a favorable investment case with analyst consensus price target of $249.50 offering 5% upside potential. Strong testing demand, strategic partnerships, and earnings momentum support growth, though elevated debt levels and margin pressures from lower-margin deals pose moderate risks. The stock's current valuation at 25.21 P/E appears reasonable given growth prospects.
Realty Income (O) trades at $61.89, down 0.99% for the day, with a bearish technical signal from moving averages despite oversold RSI readings. The company reported Q2 2026 EPS of $0.37, missing the $0.3977 estimate, but raised full-year AFFO guidance. Recent news highlights a $875 million convertible notes offering and a $6 billion hyperscale data center joint venture, supporting growth initiatives amid a 98.8% portfolio occupancy rate.
Outlook remains supported by dividend growth—115 consecutive quarterly increases—and a $10 billion investment target, though elevated debt levels and interest rate sensitivity pose risks. Analysts maintain a consensus price target of $67.29, implying ~9% upside, with 41% buy ratings reflecting cautious optimism for the REIT's income stability and expansion into data centers.
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 →