Iron Mountain Incorporated (IRM)vsSL Green Realty Corp (SLG)
IRM
Iron Mountain Incorporated
$124.66
-4.29%
REAL ESTATE · Cap: $37.86B
SLG
SL Green Realty Corp
$47.83
+1.51%
REAL ESTATE · Cap: $3.94B
Smart Verdict
WallStSmart Research — data-driven comparison
Iron Mountain Incorporated generates 673% more annual revenue ($7.25B vs $937.37M). IRM leads profitability with a 3.8% profit margin vs -16.2%. SLG appears more attractively valued with a PEG of 1.30. IRM earns a higher WallStSmart Score of 64/100 (C+).
IRM
Buy64
out of 100
Grade: C+
SLG
Hold37
out of 100
Grade: F
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-41.5%
Fair Value
$70.83
Current Price
$124.66
$53.83 premium
Intrinsic value data unavailable for SLG.
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Every $100 of equity generates 225 in profit
Earnings expanding 860.0% YoY
Conservative balance sheet, low leverage
Strong operational efficiency at 21.0%
Revenue surging 21.6% year-over-year
Reasonable price relative to book value
Areas to Watch
3.8% margin — thin
Weak financial health signals
Expensive relative to growth rate
Premium valuation, high expectations priced in
Operating margin of 1.3%
Elevated debt levels
Weak financial health signals
ROE of -3.5% — below average capital efficiency
Comparative Analysis Report
WallStSmart ResearchBull Case : IRM
The strongest argument for IRM centers on Return on Equity, EPS Growth, Debt/Equity. Revenue growth of 21.6% demonstrates continued momentum.
Bull Case : SLG
The strongest argument for SLG centers on Price/Book. PEG of 1.30 suggests the stock is reasonably priced for its growth.
Bear Case : IRM
The primary concerns for IRM are Profit Margin, Piotroski F-Score, PEG Ratio. A P/E of 138.3x leaves little room for execution misses. Thin 3.8% margins leave little buffer for downturns.
Bear Case : SLG
The primary concerns for SLG are Operating Margin, Debt/Equity, Piotroski F-Score. Debt-to-equity of 1.75 is elevated, increasing financial risk.
Key Dynamics to Monitor
IRM profiles as a growth stock while SLG is a turnaround play — different risk/reward profiles.
SLG carries more volatility with a beta of 1.60 — expect wider price swings.
IRM is growing revenue faster at 21.6% — sustainability is the question.
SLG generates stronger free cash flow (56M), providing more financial flexibility.
Bottom Line
IRM scores higher overall (64/100 vs 37/100) and 21.6% revenue growth. Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
Iron Mountain Incorporated
REAL ESTATE · REIT - SPECIALTY · USA
Iron Mountain Inc. (NYSE: IRM) is an American enterprise information management services company founded in 1951 and headquartered in Boston, Massachusetts.
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