AMT vs SBAC
American Tower (AMT) and SBA Communications (SBAC) compared side by side. American Tower (AMT) is larger, with a market cap of $88.1B versus $19.6B for SBA Communications, about 4.5 times the size. On trailing earnings, SBAC is cheaper at 19.9x versus 26.0x for AMT.
Head to head
| Metric | AMT | SBAC |
|---|---|---|
| Market cap | $88.1B | $19.6B |
| P/E (TTM) | 26.0x | 19.9x |
| Forward P/E | 27.1x | 22.9x |
| Revenue (TTM) | $10.9B | $2.9B |
| Revenue growth | 4.7% | 2.3% |
| Gross margin | 73.8% | 74.2% |
| Operating margin | 45.4% | 52.2% |
| Free cash flow | $4.0B | $1.1B |
| Dividend yield | 3.79% | 2.71% |
| 1-year return | +3.3% | -3.4% |
| 5-year return (annual) | -4.8% | -10.3% |
| Max drawdown | -99% | -100% |
| FI Handbook grade | B- | C+ |
Highlighted: the stronger figure on metrics where higher or lower is clearly better.
Growth of $10,000 (5 years, price only)
AMT vs SBAC FAQ
Which is bigger, AMT or SBAC?
American Tower (AMT) is larger, with a market cap of $88.1B versus $19.6B for SBA Communications, about 4.5 times the size.
Is AMT or SBAC cheaper?
On trailing earnings, SBAC is cheaper at 19.9x versus 26.0x for AMT. A lower P/E can reflect slower expected growth, so compare growth and margins too.
Which stock performed better over the past year, AMT or SBAC?
AMT returned +3.3% over the past year including dividends, versus -3.4% for SBAC, through October 23, 2026.
Which pays a higher dividend, AMT or SBAC?
AMT yields 3.79% versus 2.71% for SBAC.
Full pages: American Tower · SBA Communications