The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • American Tower is the larger company, worth $83.3B, about 2.5 times Crown Castle.
  • American Tower grew revenue faster over the last year (+4.7% vs -21.1%).
  • Crown Castle keeps more of each dollar of revenue as operating profit (976.9% vs 44.8%).
  • On earnings, American Tower is the cheaper stock (28.9x vs 32.5x).
  • American Tower's price assumes faster free cash flow growth: about 6% a year, against -2% for Crown Castle (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureAMTCCI
Market cap$83.3B$33.6B
Share price$182.24$79.64
Revenue (last fiscal year)$10.6B$215M
Free cash flow (last fiscal year)$3.8B$2.9B
Revenue growth, last year+4.7%-21.1%
Revenue growth per year, last 5 fiscal years+3.3%-23.3%
Operating margin44.8%976.9%
Net margin31.1%424.6%
Return on equity91.4%—
P/E (trailing)28.9x32.5x
Price / free cash flow22.0x11.7x
EV / EBITDA17.5x24.0x
FCF growth the price implies6.3%-2.1%
Dividend yield3.9%5.5%
Debt / equity14.3x—
Fundamental gradeCD
Superinvestors holding it62
Insider purchases, last 12 months106

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

American Tower

YearRevenueFree cash flowOp. margin
2021$9.4B$3.4B33.5%
2022$9.6B$1.8B28.4%
2023$10.0B$2.9B31.2%
2024$10.1B$3.7B44.6%
2025$10.6B$3.8B45.5%

Crown Castle

YearRevenueFree cash flowOp. margin
2021$621M$1.6B322.2%
2022$697M$1.6B347.9%
2023$421M$2.9B498.1%
2024$192M$2.8B1103.1%
2025$215M$2.9B965.1%

Where the revenue comes from

American Tower · by segments, 2025

U.S. & Canada$5.2B49%
Latin America$1.6B15%
Africa & APAC$1.4B13%
Data Centers$1.1B10%
Europe$938M9%
Services$340M3%

Crown Castle · by segments, 2024

Towers$192M91%
Fiber$18M9%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open AMT in Investingly

Questions

Which is bigger, American Tower or Crown Castle?

American Tower (AMT), at $83.3B against $33.6B.

Is AMT or CCI cheaper?

By trailing P/E, American Tower (28.9x) is cheaper than Crown Castle (32.5x). A lower multiple can also mean the market expects less growth.

Which grows faster, AMT or CCI?

American Tower: revenue grew +4.7% over the last year, against -21.1%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.