Price movement over the last 24 hours
Arm Holdings plc vs MasTec Inc — how do they compare? Arm Holdings plc trades at $315.33 (market cap $345.41B), while MasTec Inc trades at $366.6 (market cap $29.47B). The key difference: Arm Holdings plc is far larger — about 11.7× MasTec Inc's market cap, and MasTec Inc is trading nearer its 52-week high, Arm Holdings plc nearer its low. Which is the better fit depends on your goals.
| ARM | MTZ | |
|---|---|---|
Market Cap | $345.41B | $29.47B |
Sector | Technology | Technology |
52-Week High | $439.46 | $437.51 |
52-Week Low | $104.55 | $170.24 |
Enterprise Value | $342.26B | $32.21B |
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.
MasTec (MTZ) trades at $372.89, down 3.07% on the day, with a neutral technical signal and strong fundamental backdrop. The stock shows robust earnings momentum, beating estimates for three consecutive quarters, and benefits from a record $20.3 billion backlog. Recent acquisition of The Superior Group for $1.65 billion enhances its data center infrastructure capabilities, positioning the company for growth in AI-driven power demand and broadband expansion.
Outlook remains positive with 88.9% analyst buy ratings and a $479.85 consensus price target implying 28.7% upside. Key risks include execution of large acquisitions and integration challenges, while high P/E of 65.3 suggests premium valuation. Revenue growth and margin expansion from infrastructure spending trends support long-term potential, but investors should monitor debt levels and competitive pressures.
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 →MasTec, Inc. is a leading infrastructure construction company operating mainly in North America. The company's services cover a diverse range of end-markets, including communications (building fiber and wireless infrastructure), oil & gas, electric power (transmission, distribution, and clean energy), and industrial projects. MTZ provides critical engineering, procurement, and construction (EPC) services that support the expansion and maintenance of essential infrastructure across the continent.
Read more on MTZ →