On trailing earnings, AMT is cheaper: AMT trades at a 30.24 P/E and O at 51.41.

Which has grown faster, AMT or O?

Over the past five years, O grew revenue faster — AMT at a 5.68% CAGR versus O at 28.65%.

Does AMT or O pay a bigger dividend?

AMT yields 2.77% and O yields 5.16% based on trailing dividends and the latest price.

Is AMT or O more profitable?

AMT runs the higher net margin — AMT at 26.60% versus O at 18.94%.

Which has been the better investment, AMT or O?

Over the past 10-year, AMT delivered the higher annualized total return — AMT at 8.24% versus O at 4.90%. Past performance doesn't predict future results.

American Tower Corporation (AMT) vs Realty Income Corporation (O)

AMT leads on 9 of 17 compared metrics.

A side-by-side comparison of American Tower Corporation and Realty Income Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 13, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

AMT

American Tower Corporation

$87.21B

$187.18Real Estate

Realty Income Corporation

$58.49B

$62.72Real Estate

Not enough overlapping price history to compare AMT and O.

AMT vs O: by the numbers

•AMT is the larger company ($87.21B vs $58.49B market cap).
•AMT trades at the lower earnings multiple (30.24 vs 51.41 P/E).
•AMT converts more revenue to profit (26.60% vs 18.94% net margin).
•O grew revenue faster over the past five years (28.65% vs 5.68% CAGR).
•O pays the higher dividend yield (5.16% vs 2.77%).

Which is better, AMT or O?

Metric tally: AMT 9 · O 8

It depends on what you're optimizing for:

ValueAMT(lower P/E)

GrowthO(faster 5Y revenue CAGR)

IncomeO(higher dividend yield)

QualityO(higher ROIC)

Valuation

Metric	AMT	O
P/E ratio	30.24●	51.41
Forward P/E	27.63●	34.95
P/S ratio	8.08●	9.59
P/B ratio	23.92	1.45●
PEG ratio	2.76	2.49●
EV / EBITDA	19.11●	20.72
FCF yield	4.32%	7.15%●

Profitability

Metric	AMT	O
Gross margin	73.37%●	68.62%
Operating margin	44.24%●	29.27%
Net margin	26.60%●	18.94%
ROE	78.79%●	2.86%
ROIC	6.67%	24.52%●

Dividends

Metric	AMT	O
Dividend yield	2.77%	5.16%●
Payout ratio	96.11%	276.67%

Growth (annualized)

Metric	AMT	O
Revenue CAGR (5Y)	5.68%	28.65%●
EPS CAGR (5Y)	7.23%●	0.35%
FCF CAGR (5Y)	4.46%	29.59%●
Total return CAGR (5Y)	-4.09%	3.50%●

Frequently asked

Which is better, AMT or O?: It depends on your goal. value: AMT (lower P/E); growth: O (faster 5Y revenue CAGR); income: O (higher dividend yield); quality: O (higher ROIC). Across all compared metrics, AMT leads 9 to 8.
Is AMT or O cheaper?: On trailing earnings, AMT is cheaper: AMT trades at a 30.24 P/E and O at 51.41.
Which has grown faster, AMT or O?: Over the past five years, O grew revenue faster — AMT at a 5.68% CAGR versus O at 28.65%.
Does AMT or O pay a bigger dividend?: AMT yields 2.77% and O yields 5.16% based on trailing dividends and the latest price.
Is AMT or O more profitable?: AMT runs the higher net margin — AMT at 26.60% versus O at 18.94%.
Which has been the better investment, AMT or O?: Over the past 10-year, AMT delivered the higher annualized total return — AMT at 8.24% versus O at 4.90%. Past performance doesn't predict future results.

Go deeper

Full AMT analysis Full O analysis Interactive comparison tool

Dig into the metrics

American Tower P/E ratio Realty Income P/E ratio American Tower dividend yield Realty Income dividend yield American Tower ROE Realty Income ROE American Tower operating margin Realty Income operating margin American Tower revenue growth Realty Income revenue growth American Tower free cash flow Realty Income free cash flow

American Tower & Realty Income appear in these rankings

Highest Dividend Yield Stocks Dividend Aristocrats Fastest Revenue Growth Stocks Highest ROE Stocks

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 13, 2026.