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Iron Mountain vs Lamar Advertising

Iron Mountain is the larger business, with $6.90bn of revenue in fiscal 2025 against $2.27bn for Lamar Advertising (3.0 times as much). Iron Mountain grew faster (12.2% against 2.7%). Lamar Advertising kept more of each dollar of sales as profit: a net margin of 25.9% against 2.1%.

Latest fiscal yearIron MountainIRM, 2025Lamar AdvertisingLAMR, 2025
Revenue $6.90bn $2.27bn
Revenue growth 12.2% 2.7%
Net income $145m $587m
Operating margin — 34.2%
Net margin 2.1% 25.9%
Return on equity — 56.7%
Free cash flow −$932m $683m
Cash $159m $64.8m
Total debt $16.54bn $3.45bn
Debt to equity — 336.5%
Dividend per share $3.22 $6.45
Dividend yield 2.9% 4.2%
Share buybacks — $158m
Employees 11,150 3,500
Market value $34.28bn $16.02bn
Price vs our value range — —
Moat score 47 (Moderate) 86 (Strong)
Insider trades, 12 months 1 buys, 73 sales 0 buys, 4 sales

Each figure is from the company's latest annual report and links to the page it comes from. Fiscal years can end on different dates. Market value and the value verdict use the delayed price shown on the stock pages. Not a recommendation.

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Figures from each company's latest annual report filed with the SEC (10-K or 20-F), as reported, with the fiscal year shown. Not investment advice. How we read filings: methodology.