Iron Mountain Incorporated (IRM) vs Public Storage (PSA)

PSA leads on 9 of 13 compared metrics.

A side-by-side comparison of Iron Mountain Incorporated and Public Storage across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 27, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

Compare

Total return — IRM vs PSA

growth of $100 · last 30y
IRM +2316.8%PSA +1472.4%IRM compounded faster
05001k2k2k3kStart $100200120062011201620212026$2,417$1,572
IRM PSA

IRM vs PSA: by the numbers

  • PSA is the larger company ($56.96B vs $39.40B market cap).
  • PSA trades at the lower earnings multiple (33.48 vs 145.54 P/E).
  • PSA converts more revenue to profit (39.16% vs 3.76% net margin).
  • IRM grew revenue faster over the past five years (11.73% vs 10.32% CAGR).
  • PSA pays the higher dividend yield (3.70% vs 2.61%).

Which is better, IRM or PSA?

Metric tally: IRM 4 · PSA 9

It depends on what you're optimizing for:

ValuePSA(lower P/E)
GrowthIRM(faster 5Y revenue CAGR)
IncomePSA(higher dividend yield)
QualityPSA(higher ROIC)

Metrics side by side

Valuation

MetricIRMPSA
P/E ratio145.5433.48
Forward P/E50.9332.75
P/S ratio5.4611.75
P/B ratio6.19
PEG ratio4.45
EV / EBITDA25.3318.36

Profitability

MetricIRMPSA
Gross margin25.69%24.96%
Operating margin18.01%50.85%
Net margin3.76%39.16%
ROE-14.74%20.63%
ROIC5.72%13.14%

Dividends

MetricIRMPSA
Dividend yield2.61%3.70%
Payout ratio705.31%132.74%

Growth (annualized)

MetricIRMPSA
Revenue CAGR (5Y)11.73%10.32%
EPS CAGR (5Y)-16.26%7.52%
Total return CAGR (5Y)30.08%4.96%

Frequently asked

Which is better, IRM or PSA?
It depends on your goal. value: PSA (lower P/E); growth: IRM (faster 5Y revenue CAGR); income: PSA (higher dividend yield); quality: PSA (higher ROIC). Across all compared metrics, PSA leads 9 to 4.
Is IRM or PSA cheaper?
On trailing earnings, PSA is cheaper: IRM trades at a 145.54 P/E and PSA at 33.48.
Which has grown faster, IRM or PSA?
Over the past five years, IRM grew revenue faster — IRM at a 11.73% CAGR versus PSA at 10.32%.
Does IRM or PSA pay a bigger dividend?
IRM yields 2.61% and PSA yields 3.70% based on trailing dividends and the latest price.
Is IRM or PSA more profitable?
PSA runs the higher net margin — IRM at 3.76% versus PSA at 39.16%.
Which has been the better investment, IRM or PSA?
Over the past 10-year, IRM delivered the higher annualized total return — IRM at 19.69% versus PSA at 6.78%. Past performance doesn't predict future results.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified June 27, 2026.