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).
Total return — IRM vs PSA
growth of $100 · last 30yIRM +2316.8%PSA +1472.4%IRM compounded faster
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 9It 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
| Metric | IRM | PSA |
|---|---|---|
| P/E ratio | 145.54 | 33.48● |
| Forward P/E | 50.93 | 32.75● |
| P/S ratio | 5.46● | 11.75 |
| P/B ratio | — | 6.19 |
| PEG ratio | — | 4.45 |
| EV / EBITDA | 25.33 | 18.36● |
Profitability
| Metric | IRM | PSA |
|---|---|---|
| Gross margin | 25.69%● | 24.96% |
| Operating margin | 18.01% | 50.85%● |
| Net margin | 3.76% | 39.16%● |
| ROE | -14.74% | 20.63%● |
| ROIC | 5.72% | 13.14%● |
Dividends
| Metric | IRM | PSA |
|---|---|---|
| Dividend yield | 2.61% | 3.70%● |
| Payout ratio | 705.31% | 132.74% |
Growth (annualized)
| Metric | IRM | PSA |
|---|---|---|
| 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.
Go deeper
Dig into the metrics
Iron Mountain P/E ratioPublic Storage P/E ratioIron Mountain dividend yieldPublic Storage dividend yieldIron Mountain ROEPublic Storage ROEIron Mountain operating marginPublic Storage operating marginIron Mountain revenue growthPublic Storage revenue growthIron Mountain free cash flowPublic Storage free cash flow
Iron Mountain & Public Storage appear in these rankings
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.