Stocks Comparison
Iron Mountain vs Simon Property: revenue, profit, margins and growth compared
Iron Mountain brought in $6.9B of revenue in fiscal 2025, Simon Property $6.4B in fiscal 2025. Revenue changed by +12.2% at Iron Mountain and +6.7% at Simon Property on the year before, so Iron Mountain grew faster. Iron Mountain kept 2.1% of its revenue as net profit, Simon Property 72.7%. Free cash flow was -$931.6M at Iron Mountain and $3.2B at Simon Property.
Side by side, latest fiscal year
| IRM | SPG | |
|---|---|---|
| Fiscal year ended | FY2025 (December 31, 2025) | FY2025 (December 31, 2025) |
| Revenue | $6.9B | $6.4B |
| Revenue growth | +12.2% | +6.7% |
| Net income | $144.6M | $4.6B |
| Net margin | 2.1% | 72.7% |
| Free cash flow | -$931.6M | $3.2B |
| Free cash flow margin | -13.5% | 50.3% |
| Earnings per share (diluted) | $0.49 | $14.17 |
| Cash | $158.5M | $823.1M |
| Debt | $16.4B | $28.4B |
| Price to earnings | 227.3 | 14.4 |
| Market value | $33.2B | $66.3B |
| Dividend yield | 2.89% | 4.17% |
| Rank by revenue in sector | #5 of 162 · Real estate | #6 of 162 · Real estate |
Over the years
Questions about Iron Mountain and Simon Property
Which is bigger by revenue, Iron Mountain or Simon Property?
Iron Mountain is bigger by revenue: $6.9B in fiscal 2025, against $6.4B for Simon Property in fiscal 2025.
Which keeps more of its revenue as profit, Iron Mountain or Simon Property?
Iron Mountain had a net margin of 2.1% in fiscal 2025; Simon Property had 72.7% in fiscal 2025.
Which grew revenue faster, Iron Mountain or Simon Property?
In their latest fiscal years revenue changed by +12.2% at Iron Mountain and +6.7% at Simon Property.
Where do these numbers come from?
From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.