Iron Mountain Inc vs Union Pacific Corporation — how do they compare? Iron Mountain Inc trades at $123.85 (market cap $36.44B), while Union Pacific Corporation trades at $293.15 (market cap $173.99B). The key difference: Union Pacific Corporation is far larger — about 4.8× Iron Mountain Inc's market cap, and Iron Mountain Inc pays the higher dividend (2.82%). Which is the better fit depends on your goals.
| IRM | UNP | |
|---|---|---|
Market Cap | $36.44B | $173.99B |
Sector | Real Estate | Industrials |
52-Week High | $133.06 | $307.32 |
52-Week Low | $78.86 | $214.91 |
Enterprise Value | $55.85B | $203.04B |
Dividend Yield | 2.82% | 1.94% |
Signals from Pluang's Aura AI — not financial advice
Iron Mountain (IRM) trades at $124.67, up 2.56% today, with a bearish technical signal but strong recent earnings beats. Revenue grew to $6.90B in 2025, though net margins compressed to 2.09%. The stock is supported by a 65% analyst buy rating and a $141.50 consensus target, with institutional interest highlighted by recent purchases. Key risks include high debt levels, with a debt-to-asset ratio of 79.04% in 2025.
Outlook remains mixed; robust data center growth and dividend yield near 2.8% offer upside, but elevated valuation (P/E 86.8) and persistent negative shareholder equity warrant caution. Earnings momentum from Q2 2026 beat provides near-term support, yet debt servicing and competitive pressures pose headwinds for sustained gains.
Union Pacific (UNP) trades at $293.85, up 0.55% with neutral technical signals. The company demonstrates strong fundamentals with Q2 2026 EPS beating estimates at $3.41 versus $3.26 expected, marking the second consecutive quarterly beat. Revenue growth of 12% year-over-year and improved operating efficiency support management's raised full-year EPS guidance. The stock maintains robust profitability metrics including 28.85% net margin and 39.7% ROE, though valuation multiples remain elevated with P/E at 23.71.
Outlook remains positive with analyst consensus price target of $334.33 representing 14% upside potential. Key catalysts include service-led growth driving margin expansion and the pending Norfolk Southern merger offering strategic benefits. Risks include high fuel costs, regulatory scrutiny of the merger, and macroeconomic pressures on freight volumes. Institutional ownership trends show continued accumulation by major funds.
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 →Omaha, Nebraska-based Union Pacific is the largest public railroad in North America. Operating on more than 30,000 miles of track in the western two thirds of the U.S., UP generated roughly $22 billion of revenue in 2021 by hauling coal, industrial products, intermodal containers, agriculture goods, chemicals, and automotive goods. UP owns about one fourth of Mexican railroad Ferromex and derives about 10% of its revenue hauling freight to and from Mexico.
Read more on UNP →