Quest Diagnostics Inc vs TransMedics Group Inc — how do they compare? Quest Diagnostics Inc trades at $206.04 (market cap $22.80B), while TransMedics Group Inc trades at $75.52 (market cap $2.58B). The key difference: Quest Diagnostics Inc is far larger — about 8.8× TransMedics Group Inc's market cap, and Quest Diagnostics Inc pays a 1.67% dividend while TransMedics Group Inc pays none. Which is the better fit depends on your goals.
| DGX | TMDX | |
|---|---|---|
Market Cap | $22.80B | $2.58B |
Sector | Health | Technology |
52-Week High | $216.02 | $150.42 |
52-Week Low | $166.42 | $61.99 |
Enterprise Value | $28.82B | $2.98B |
Dividend Yield | 1.67% | — |
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.
TransMedics (TMDX) trades at $75.74, up 6.33% today, showing strong momentum despite a recent earnings miss. The stock maintains bullish technical signals with support at $75 and resistance at $77. Recent strategic investments in European organ logistics through PAD Aviation position the company for international expansion, though margin pressure from these investments remains a concern. Analyst consensus remains strongly positive with a $108.71 price target.
The outlook remains favorable with 75% analyst buy ratings and significant upside potential from current levels. Key risks include execution challenges in European expansion, ongoing margin pressure from NOP investments, and competitive threats in the transplant logistics space. Revenue growth continues at 21% year-over-year, but investors should monitor margin trends and European rollout execution closely.
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 →TransMedics is a pioneering medical technology company that is disrupting the organ transplant market with its Organ Care System (OCS™). By replacing traditional cold storage with portable warm perfusion, the OCS maintains donor organs in a near-physiologic state, allowing for continuous assessment and optimization. Through its National OCS Program (NOP™), TransMedics provides an end-to-end clinical and logistics solution, including a dedicated aviation fleet, to maximize the utilization of donor organs and improve patient outcomes.
Read more on TMDX →