Automatic Data Processing Inc vs Iron Mountain Inc — how do they compare? Automatic Data Processing Inc trades at $269.21 (market cap $107.69B), while Iron Mountain Inc trades at $122.46 (market cap $36.44B). The key difference: Automatic Data Processing Inc is far larger — about 3× 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.
| ADP | IRM | |
|---|---|---|
Market Cap | $107.69B | $36.44B |
Sector | Industrials | Real Estate |
52-Week High | $309.03 | $133.06 |
52-Week Low | $188.79 | $78.86 |
Enterprise Value | $108.73B | $55.85B |
Dividend Yield | 2.51% | 2.82% |
Signals from Pluang's Aura AI — not financial advice
ADP trades at $273.68, up 0.87% today, near its consensus price target of $280.50. The stock shows bullish technical signals with strong moving averages and support at $270. Recent quarterly earnings consistently beat estimates, with Q2 2026 EPS of $2.64 surpassing the $2.59 forecast. Revenue growth is steady, reaching $20.56 billion in 2025, with a net income margin of 20.11% and robust ROE of 72.24%.
Outlook remains positive given earnings momentum and dividend stability, but high valuation multiples (P/E 24.78, P/S 4.98) pose risks if growth slows. Analyst sentiment is mixed with 63.89% hold ratings, reflecting caution amid elevated prices. Key risks include labor market sensitivity and competitive pressures in payroll processing.
Iron Mountain (IRM) trades at $121.56, up 0.34% today, with strong earnings beats in recent quarters and a bullish analyst consensus price target of $141.50. The stock shows bearish technical signals but benefits from robust revenue growth, particularly in data centers and digital solutions, though high debt levels and declining profit margins pose challenges. Recent news highlights CEO stock sales and institutional buying activity.
Outlook: IRM offers growth potential from data center expansion and recurring revenue streams, supported by positive analyst ratings. Key risks include elevated debt, margin pressure, and competitive threats. Investors should weigh strong operational performance against financial leverage and market sentiment shifts for balanced decision-making.
Trailing returns across standard periods
Latest headlines on both assets
ADP is a provider of payroll and human capital management solutions servicing the full scope of businesses from micro to global enterprises. ADP was established in 1949 and serves over 990,000 clients primarily in the United States. ADP's employer services segment offers payroll, HCM solutions, HR outsourcing, insurance and retirement services. The smaller but faster-growing PEO segment provides HR outsourcing solutions to small and midsize businesses through a co-employment model.
Read more on ADP →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 →