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Side-by-side financial comparison of American Tower (AMT) and Realty Income (O), based on the latest 10-Q / 10-K filings. Click either name above to swap in a different company.
Realty Income is the larger business by last-quarter revenue ($1.5B vs $219.8M, roughly 6.8× American Tower). American Tower runs the higher net margin — 380.7% vs 19.9%, a 360.8% gap on every dollar of revenue. On growth, Realty Income posted the faster year-over-year revenue change (11.0% vs 4.5%). Realty Income produced more free cash flow last quarter ($1.2B vs $848.3M). Over the past eight quarters, American Tower's revenue compounded faster (12.0% CAGR vs 8.6%).
American Tower Corporation, one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate with a portfolio of approximately 219,000 communications sites. For more information about American Tower, please visit the Earnings Materials and Investor Presentations sections of our investor relations website at www.americantower.com.
Realty Income Corporation is a real estate investment trust that invests in free-standing, single-tenant commercial properties in the United States, the United Kingdom, and six other countries in Europe. These properties are subject to NNN Leases. The company is organized in Maryland with its headquarters in San Diego, California.
AMT vs O — Head-to-Head
Income Statement — Q4 2025 vs Q4 2025
| Metric | | |
|---|---|---|
| Revenue | $219.8M | $1.5B |
| Net Profit | $836.8M | $296.1M |
| Gross Margin | — | — |
| Operating Margin | — | 21.7% |
| Net Margin | 380.7% | 19.9% |
| Revenue YoY | 4.5% | 11.0% |
| Net Profit YoY | -32.0% | 48.3% |
| EPS (diluted) | $1.76 | $0.32 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align — see 8-quarter trend below.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history — bar widths are scaled to the larger of the two companies so you can eyeball the size gap and growth trajectory without doing math. Quarters aligned by calendar period (report date) so offset fiscal years line up.
| Q4 25 | $219.8M | $1.5B | ||
| Q3 25 | $246.4M | $1.5B | ||
| Q2 25 | $243.7M | $1.4B | ||
| Q1 25 | $226.0M | $1.4B | ||
| Q4 24 | $210.4M | $1.3B | ||
| Q3 24 | $190.4M | $1.3B | ||
| Q2 24 | $198.6M | $1.3B | ||
| Q1 24 | $175.2M | $1.3B |
| Q4 25 | $836.8M | $296.1M | ||
| Q3 25 | $912.6M | $315.8M | ||
| Q2 25 | $380.5M | $196.9M | ||
| Q1 25 | $498.6M | $249.8M | ||
| Q4 24 | $1.2B | $199.6M | ||
| Q3 24 | $-780.4M | $269.5M | ||
| Q2 24 | $908.4M | $259.4M | ||
| Q1 24 | $921.7M | $132.3M |
| Q4 25 | — | 21.7% | ||
| Q3 25 | — | 23.2% | ||
| Q2 25 | — | 15.8% | ||
| Q1 25 | — | 19.3% | ||
| Q4 24 | — | 16.5% | ||
| Q3 24 | — | 21.5% | ||
| Q2 24 | — | 20.7% | ||
| Q1 24 | — | 11.9% |
| Q4 25 | 380.7% | 19.9% | ||
| Q3 25 | 370.4% | 21.5% | ||
| Q2 25 | 156.1% | 14.0% | ||
| Q1 25 | 220.6% | 18.1% | ||
| Q4 24 | 584.8% | 14.9% | ||
| Q3 24 | -409.9% | 20.2% | ||
| Q2 24 | 457.4% | 19.4% | ||
| Q1 24 | 526.1% | 10.5% |
| Q4 25 | $1.76 | $0.32 | ||
| Q3 25 | $1.82 | $0.35 | ||
| Q2 25 | $0.78 | $0.22 | ||
| Q1 25 | $1.04 | $0.28 | ||
| Q4 24 | $2.63 | $0.23 | ||
| Q3 24 | $-1.69 | $0.30 | ||
| Q2 24 | $1.92 | $0.29 | ||
| Q1 24 | $1.96 | $0.16 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest filing — the kind of financial-strength check premium terminals charge for.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $1.5B | $434.8M |
| Total DebtLower is stronger | $33.8B | — |
| Stockholders' EquityBook value | $3.7B | $39.4B |
| Total Assets | $63.2B | $72.8B |
| Debt / EquityLower = less leverage | 9.26× | — |
8-quarter trend — quarters aligned by calendar period so offset fiscal years match up.
| Q4 25 | $1.5B | $434.8M | ||
| Q3 25 | $2.0B | $417.2M | ||
| Q2 25 | $2.1B | $800.4M | ||
| Q1 25 | $2.1B | $319.0M | ||
| Q4 24 | $2.0B | $445.0M | ||
| Q3 24 | $2.2B | $397.0M | ||
| Q2 24 | $2.5B | $442.8M | ||
| Q1 24 | $2.4B | $680.2M |
| Q4 25 | $33.8B | — | ||
| Q3 25 | $34.9B | — | ||
| Q2 25 | $35.2B | — | ||
| Q1 25 | $34.0B | — | ||
| Q4 24 | $32.8B | — | ||
| Q3 24 | $33.4B | — | ||
| Q2 24 | $35.6B | — | ||
| Q1 24 | $36.2B | — |
| Q4 25 | $3.7B | $39.4B | ||
| Q3 25 | $4.0B | $39.1B | ||
| Q2 25 | $3.7B | $39.2B | ||
| Q1 25 | $3.5B | $39.0B | ||
| Q4 24 | $3.4B | $38.8B | ||
| Q3 24 | $3.6B | $38.5B | ||
| Q2 24 | $3.9B | $38.6B | ||
| Q1 24 | $4.0B | $39.0B |
| Q4 25 | $63.2B | $72.8B | ||
| Q3 25 | $63.9B | $71.3B | ||
| Q2 25 | $63.8B | $71.4B | ||
| Q1 25 | $62.1B | $69.8B | ||
| Q4 24 | $61.1B | $68.8B | ||
| Q3 24 | $62.8B | $68.5B | ||
| Q2 24 | $65.8B | $68.1B | ||
| Q1 24 | $66.7B | $68.3B |
| Q4 25 | 9.26× | — | ||
| Q3 25 | 8.82× | — | ||
| Q2 25 | 9.48× | — | ||
| Q1 25 | 9.63× | — | ||
| Q4 24 | 9.70× | — | ||
| Q3 24 | 9.16× | — | ||
| Q2 24 | 9.24× | — | ||
| Q1 24 | 8.94× | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Net income can be massaged; cash flow is harder to fake.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $1.4B | $1.2B |
| Free Cash FlowOCF − Capex | $848.3M | $1.2B |
| FCF MarginFCF / Revenue | 385.9% | 77.6% |
| Capex IntensityCapex / Revenue; lower = less reinvestment burden | 263.5% | 3.3% |
| Cash ConversionOCF / Net Profit; >1× = earnings back up with cash | 1.71× | 4.06× |
| TTM Free Cash FlowTrailing 4 quarters | $3.8B | $3.9B |
8-quarter trend — quarters aligned by calendar period so offset fiscal years match up.
| Q4 25 | $1.4B | $1.2B | ||
| Q3 25 | $1.5B | $943.1M | ||
| Q2 25 | $1.3B | $1.1B | ||
| Q1 25 | $1.3B | $787.5M | ||
| Q4 24 | $1.2B | $972.0M | ||
| Q3 24 | $1.5B | $841.5M | ||
| Q2 24 | $1.3B | $981.2M | ||
| Q1 24 | $1.3B | $778.7M |
| Q4 25 | $848.3M | $1.2B | ||
| Q3 25 | $994.5M | $909.9M | ||
| Q2 25 | $976.9M | $1.0B | ||
| Q1 25 | $963.9M | $764.6M | ||
| Q4 24 | $755.6M | $935.8M | ||
| Q3 24 | $1.0B | $807.9M | ||
| Q2 24 | $1.0B | $939.2M | ||
| Q1 24 | $886.9M | $769.0M |
| Q4 25 | 385.9% | 77.6% | ||
| Q3 25 | 403.6% | 61.9% | ||
| Q2 25 | 400.9% | 73.3% | ||
| Q1 25 | 426.5% | 55.4% | ||
| Q4 24 | 359.1% | 69.8% | ||
| Q3 24 | 548.7% | 60.7% | ||
| Q2 24 | 510.2% | 70.1% | ||
| Q1 24 | 506.2% | 61.0% |
| Q4 25 | 263.5% | 3.3% | ||
| Q3 25 | 188.9% | 2.3% | ||
| Q2 25 | 125.0% | 1.9% | ||
| Q1 25 | 146.5% | 1.7% | ||
| Q4 24 | 210.7% | 2.7% | ||
| Q3 24 | 223.1% | 2.5% | ||
| Q2 24 | 163.7% | 3.1% | ||
| Q1 24 | 226.4% | 0.8% |
| Q4 25 | 1.71× | 4.06× | ||
| Q3 25 | 1.60× | 2.99× | ||
| Q2 25 | 3.37× | 5.39× | ||
| Q1 25 | 2.60× | 3.15× | ||
| Q4 24 | 0.97× | 4.87× | ||
| Q3 24 | — | 3.12× | ||
| Q2 24 | 1.47× | 3.78× | ||
| Q1 24 | 1.39× | 5.89× |
Financial Flow Comparison
Sankey diagram of revenue → gross profit → operating profit → net profit for each company. Charts shown full-width and stacked so both segment hierarchies are readable side-by-side on desktop and mobile.
Revenue Breakdown by Segment
AMT
| Other | $82.9M | 38% |
| Non Lease Property Revenue | $72.5M | 33% |
| Services Revenue | $64.4M | 29% |
O
| Product And Service Retail | $900.8M | 61% |
| Other | $531.5M | 36% |
