Iron Mountain Inc vs Main Street Capital Corporation — how do they compare? Iron Mountain Inc trades at $113.5 (market cap $34.46B), while Main Street Capital Corporation trades at $54.47 (market cap $5.07B). The key difference: Iron Mountain Inc is far larger — about 6.8× Main Street Capital Corporation's market cap, and Main Street Capital Corporation pays the higher dividend (5.87%). Which is the better fit depends on your goals — on Pluang, investors hold Iron Mountain Inc for 80 Days and Main Street Capital Corporation for 88 Days on average.
| IRM | MAIN | |
|---|---|---|
Market Cap | $34.46B | $5.07B |
Volume | 1,379,608 | 685,683 |
Sector | Real Estate | Financials |
52-Week High | $133.06 | $64.60 |
52-Week Low | $78.86 | $49.63 |
Typical Hold Time | 80 Days | 88 Days |
Enterprise Value | $53.87B | $7.51B |
Dividend Yield | 2.99% | 5.87% |
Signals from Pluang's Aura AI — not financial advice
Iron Mountain (IRM) trades at $112.97, down 3.03% today, with strong technical bullish signals and consistent earnings beats. The stock shows robust revenue growth from $5.1B in 2022 to $6.9B in 2025, though net margins have compressed. Recent developments highlight expansion in data centers and digital solutions, with a 300MW pipeline target. Analyst consensus remains bullish with a $142.75 price target, representing 26% upside potential from current levels.
IRM presents a compelling growth story in data center expansion and digital transformation, but faces significant debt burden with 79% debt-to-asset ratio. While institutional ownership is growing and earnings consistently exceed expectations, high valuation multiples and declining profit margins warrant caution. The stock's near-term performance will depend on successful execution of digital initiatives and debt management.
Main Street Capital (MAIN) trades at $54.18, down 1.08% on the day, with a bearish technical signal from moving averages and oscillators. The company reported mixed quarterly earnings, beating in Q2 2026 but missing in Q1 2026, while maintaining strong profitability with an 80.77% net income margin. Recent news highlights MAIN's status as a top-tier BDC with a well-covered monthly dividend, though some analysts cite valuation concerns amid rising Treasury yields.
Outlook remains cautiously optimistic given MAIN's robust fundamentals and dividend track record, but near-term headwinds include earnings volatility and premium valuation risks. The stock offers income appeal with a 7.9%+ yield, yet investors face pressure from technical weakness and macroeconomic sensitivity.
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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 →Main Street Capital Corp is an investment firm engaged in providing customized debt and equity financing to lower middle market companies and debt capital to middle market companies. The investment portfolio of the company is typically made to support management buyouts, recapitalizations, growth financings, refinancings and acquisitions of companies that operate in diverse industry sectors. The group invests in secured debt investments, equity investments, warrants and other securities of the lower middle market and middle market companies based in the US. Business is functioned through the U.S region and it derives the majority of the income from the source of fee, commission, and interest.
Read more on MAIN →