Iron Mountain Inc vs 3M Company — how do they compare? Iron Mountain Inc trades at $124.72 (market cap $36.96B), while 3M Company trades at $168.49 (market cap $82.99B). The key difference: 3M Company is far larger — about 2.2× Iron Mountain Inc's market cap, and Iron Mountain Inc pays the higher dividend (2.78%). Which is the better fit depends on your goals.
| IRM | MMM | |
|---|---|---|
Market Cap | $36.96B | $82.99B |
Sector | Real Estate | Industrials |
52-Week High | $133.06 | $174.61 |
52-Week Low | $78.86 | $141.10 |
Enterprise Value | $56.10B | $91.39B |
Dividend Yield | 2.78% | 1.96% |
Signals from Pluang's Aura AI — not financial advice
Iron Mountain (IRM) trades at $124.38, up 0.45% for the day, with a bullish technical signal and strong recent earnings beats. The stock has rallied 30.2% over three months, supported by data center growth and recurring storage revenue. However, the company faces high debt levels, with a debt-to-asset ratio of 74.39% in 2024, and a P/E ratio of 134.59 suggests elevated valuation. Analyst consensus is bullish with a $138.67 price target, though the RSI_6 at 84.86 indicates potential overbought conditions near-term.
Outlook remains positive due to consistent earnings outperformance and data center expansion, but risks include significant leverage and declining paper storage demand. The stock offers a dividend yield with a recent $0.86 payment, yet investors should weigh high valuation multiples against growth prospects in a competitive information services sector.
3M (MMM) trades at $159.98, up 0.09% on the day, with a bullish technical signal from moving averages and recent earnings beats. The company reported Q1 2026 EPS of $2.14, exceeding the $1.98 estimate, and maintains a strong net income margin of 11.14%. Analysts are divided with a 48.49% buy rating, and the consensus price target is $149.75. Recent news highlights Q2 earnings expectations and new partnerships, such as the Airbus A220 supply agreement.
The outlook for MMM is mixed; earnings momentum and cost optimization support growth, but valuation ratios like a P/E of 30.8 suggest premium pricing. Risks include consumer segment weakness and debt levels. Upside depends on Q2 results meeting the $2.27 EPS forecast, while downside could stem from macroeconomic pressures.
Trailing returns across standard periods
Latest headlines on both assets
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 →3M Company conducts operations in electronics, telecommunications, industrial, consumer and office, health care, safety, and other markets. The Company businesses share technologies, manufacturing operations, marketing channels, and other resources. 3M serves customers worldwide.
Read more on MMM →