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Compare Arm Holdings plc (ARM) vs Iron Mountain Inc (IRM) Price & Performance

Arm Holdings plc
Iron Mountain Inc

Price performance

Price movement over the last 24 hours

Key statistics

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.

ARMIRM
Market Cap
$345.41B$36.15B
Sector
TechnologyReal 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%

Aura AI Summary

Signals from Pluang's Aura AI — not financial advice

Arm Holdings plc

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 Inc

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.

Returns comparison

Trailing returns across standard periods

Top news

Latest headlines on both assets

About Arm Holdings plc

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

About Iron Mountain Inc

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