Price movement over the last 24 hours
Arm Holdings plc vs Iron Mountain Inc — how do they compare? Arm Holdings plc trades at $315.46 (market cap $345.41B), while Iron Mountain Inc trades at $121.55 (market cap $36.15B). The key difference: Arm Holdings plc is far larger — about 9.6× Iron Mountain Inc's market cap, and Iron Mountain Inc pays a 2.84% dividend while Arm Holdings plc pays none. Which is the better fit depends on your goals.
| ARM | IRM | |
|---|---|---|
Market Cap | $345.41B | $36.15B |
Sector | Technology | Real Estate |
52-Week High | $439.46 | $133.06 |
52-Week Low | $104.55 | $78.86 |
Enterprise Value | $342.26B | $55.29B |
Dividend Yield | — | 2.84% |
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.
Iron Mountain (IRM) trades at $121.50, up 1.69% today, with strong recent earnings beats and a bullish analyst consensus of 65% buy ratings. The stock shows a bearish technical signal but is supported by positive momentum in data center demand and a recent $1.5 billion debt offering. Revenue growth is steady, though net margins are thin at 3.76%, and the company carries high debt levels with a debt-to-asset ratio of 74.39% as of 2024.
Outlook is mixed: robust data center growth and dividend yield offer upside, but high valuation (P/E 132.08) and leverage pose risks. The consensus price target of $138.67 suggests 14% potential upside, yet technical resistance near $122 may limit near-term gains. Investors should weigh strong institutional support against elevated financial risk.
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 →Iron Mountain Inc is a record management services provider. The firm is organized as a REIT. Most of its revenue comes from its storage business, with the rest coming from value-added services. The firm primarily caters to enterprise clients in developed markets. Its business segments include Global RIM Business
Read more on IRM →