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Company Profile

IRM insider trades (13 months) →

Today's multi-factor rank: 140 of 466 · see the ranking

Iron Mountain Incorporated (IRM): Quantitative Analysis

Iron Mountain Incorporated (IRM) — Real Estate — REIT - Specialty. IRM is in the S&P 500 today. Model factor scores and market data, recalculated every trading day.

So far in 2026, IRM has returned +41.0% against +12.2% for the S&P 500 (SPY): total return, dividends included on both sides, from Dec 31, 2025 to Sep 18, 2026.

IRM ranks 140 of 466 on today's multifactor score, and 4 of the 30 Real Estate companies that score. Its strongest factor is growth (Z 1.16, ranked 35 of 494); its weakest is value (Z -0.60, ranked 419 of 494). Each factor ranks only the companies with data for it, and the multifactor score only those with all four: that is why the totals differ.

Factor scores

The Z-Score is how many standard deviations the company sits from the index average: 0 is average, positive is better than average, negative is worse.

FactorZ-ScoreRank
Multifactor0.137140 of 466 ↓14
Momentum0.137187 of 497 ↓15
Value-0.595419 of 494 ↑3
Quality-0.152270 of 473 =
Growth1.15935 of 494 =

Market data

MetricValue
Price$114.34
Market Cap34.04B
P/E80.52
Revenue (last 12 months)7.56B
Book value per share$-4.30
52-week range$77.77 – $134.68
Dividend yield3.03%
Beta1.20
Average volume1,851,595
Shares outstanding297.70M
Short interest (% of float)2.95% (as of Aug 31, 2026)

When does IRM report earnings? 12 of its last 12, before the open →

What are IRM insiders doing? 86 transactions filed with the SEC, of them 1 buy and 37 sells, the last one on Sep 1, 2026 →

Data as of Sep 18, 2026. Source: point-in-time SEC fundamentals and closing prices. Method and formulas are on the home page.

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S&P 500 market gravity