Iron Mountain Inc vs Select Medical Holdings Corporation — how do they compare? Iron Mountain Inc trades at $127.96 (market cap $36.96B), while Select Medical Holdings Corporation trades at $16.51 (market cap $2.05B). The key difference: Iron Mountain Inc is far larger — about 18× Select Medical Holdings Corporation's market cap, and Iron Mountain Inc pays the higher dividend (2.78%). Which is the better fit depends on your goals.
| IRM | SEM | |
|---|---|---|
Market Cap | $36.96B | $2.05B |
Sector | Real Estate | Health |
52-Week High | $133.06 | $16.66 |
52-Week Low | $78.86 | $11.77 |
Enterprise Value | $56.10B | $5.01B |
Dividend Yield | 2.78% | 1.51% |
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.
Select Medical Holdings Corporation (SEM) trades at $16.51, unchanged on the day, following its recent acquisition completion by a consortium led by Robert A. Ortenzio and Martin F. at $16.50 per share. The stock exhibits a mixed technical picture with a bullish overall signal but bearish moving averages. Fundamentally, the company reported 2025 revenue of $5.45 billion with a net income margin of 2.42%, while valuation ratios like a P/E of 15.43 and P/S of 0.36 appear reasonable. Recent earnings show two misses in the last three quarters against expectations.
The investment outlook is dominated by the completed acquisition, effectively capping upside near the $16.50 deal price. Risks include ongoing shareholder litigation alleging fiduciary breaches by the board regarding the buyout fairness. Analyst sentiment is neutral with a Hold-heavy consensus, while the stock's future price action will largely hinge on legal outcomes surrounding the acquisition terms rather than operational performance.
Trailing returns across standard periods
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 →Select Medical Holdings Corporation is one of the largest operators of critical illness recovery hospitals, rehabilitation hospitals, outpatient rehabilitation clinics, and occupational health centers in the United States. The company's services focus on treating patients with serious illnesses, injuries, and post-acute care needs. SEM provides specialized care across various settings, aiming to help patients recover and return home.
Read more on SEM →