Quest Diagnostics Inc vs MPLX LP — how do they compare? Quest Diagnostics Inc trades at $231.55 (market cap $25.48B), while MPLX LP trades at $56.17 (market cap $58.11B). The key difference: MPLX LP is far larger — about 2.3× Quest Diagnostics Inc's market cap, and MPLX LP pays the higher dividend (7.51%). Which is the better fit depends on your goals.
| DGX | MPLX | |
|---|---|---|
Market Cap | $25.48B | $58.11B |
Volume | 941,866 | 687,483 |
Sector | Health | Energy |
52-Week High | $247.45 | $60.51 |
52-Week Low | $173.49 | $47.80 |
Typical Hold Time | 56 Days | — |
Enterprise Value | $31.23B | $83.22B |
Dividend Yield | 1.49% | 7.51% |
Signals from Pluang's Aura AI — not financial advice
Quest Diagnostics (DGX) trades at $230.76, up 1.66% today, reflecting strong year-to-date momentum driven by consistent earnings beats and growth in advanced diagnostics. The stock is near its 52-week high with a consensus price target of $250, indicating further upside potential. Recent news highlights partnerships, such as integration with Apple Health, and clinical study successes, though Medicare reimbursement cuts pose a headwind. Technical indicators show a bearish signal overall, with support at $228 and resistance at $232.
The outlook remains positive due to robust revenue growth, expanding profit margins, and strategic initiatives, but risks include regulatory pressure on lab payments and rising debt levels. Analyst sentiment is mixed, with a majority holding neutral ratings, suggesting cautious optimism amid execution challenges and market volatility.
MPLX trades at $56.12, down 1.63% with a bearish technical signal. The stock shows strong fundamentals with a 12.33 P/E ratio, 40.45% net income margin, and consistent dividend payments. Recent earnings show mixed results with Q4 2025 beating expectations but subsequent quarters missing targets. Analyst consensus remains strongly bullish with 19 buy ratings and a $63.80 price target, representing 13.7% upside potential from current levels.
The outlook remains positive given MPLX's resilient midstream business model with fee-based revenues insulating it from energy price volatility. Key risks include potential energy market downturns and execution challenges in the Permian Basin expansion. The company's strong cash flow generation supports its 8% dividend yield, making it attractive for income investors seeking energy exposure with reduced commodity price sensitivity.
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 →MPLX LP is a Master Limited Partnership (MLP) formed by Marathon Petroleum Corporation (MPC). It is a diversified, growth-oriented company primarily engaged in the gathering, processing, and transportation of natural gas and natural gas liquids (NGLs), as well as the transportation, storage, and distribution of crude oil and refined petroleum products. MPLX owns and operates a network of midstream energy infrastructure assets, providing essential services to the energy industry across the United States.
Read more on MPLX →