Arm Holdings plc vs Quest Diagnostics Inc — how do they compare? Arm Holdings plc trades at $297.29 (market cap $345.41B), while Quest Diagnostics Inc trades at $209.47 (market cap $22.96B). The key difference: Arm Holdings plc is far larger — about 15× Quest Diagnostics Inc's market cap, and Quest Diagnostics Inc pays a 1.66% dividend while Arm Holdings plc pays none. Which is the better fit depends on your goals.
| ARM | DGX | |
|---|---|---|
Market Cap | $345.41B | $22.96B |
Sector | Technology | Health |
52-Week High | $439.46 | $216.02 |
52-Week Low | $104.55 | $166.42 |
Enterprise Value | $342.26B | $28.98B |
Dividend Yield | — | 1.66% |
Signals from Pluang's Aura AI — not financial advice
ARM Holdings trades at $323.39, down 1.37% over 24 hours, with a bullish technical outlook supported by moving averages and strong quarterly earnings beats. The company reported robust revenue growth to $4.01B in 2025, with net income of $792M, though valuation ratios like P/E of 380.46 reflect premium pricing. Recent news highlights ARM's role in AI infrastructure and data center expansion, driving investor optimism.
Outlook remains positive with analyst consensus favoring buy ratings (74.07%) and a $321.65 price target, but risks include high valuation sensitivity and competitive pressures in the semiconductor space. Upside potential hinges on continued AI-driven demand and execution of growth initiatives like the AGI CPU launch.
Quest Diagnostics (DGX) trades at $207.44, down 0.29% today, with a bullish technical signal and consistent earnings beats in recent quarters. The company reported $11.04B revenue in 2025 with a 9.08% net margin, supported by strong cash flow from operations of $1.89B. Recent news highlights expansion of oncology testing services, including New York State approval for Haystack MRD, enhancing its diagnostic portfolio.
DGX offers steady growth with a consensus price target of $226, implying 9% upside. Risks include rising debt levels and healthcare policy uncertainties, but analyst sentiment leans positive with 38% buy ratings. The stock's valuation at a P/E of 22.92 appears reasonable given its profitability and market position.
Trailing returns across standard periods
Latest headlines on both assets
Arm Holdings designs the architecture for high-performance, energy-efficient processors used in nearly all smartphones and millions of other devices. Its intellectual property powers global computing from mobile to AI.
Read more on ARM →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 →