TotalMarketCap

American Tower

AMTNYSE United StatesReal EstateReal Estate Investment Trusts

Market cap

$90.021 B

$194.11 -0.39%

Close of 6 Nov 2026

As of 6 Nov 2026, American Tower (AMT) has a market capitalization of $90.0B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

$10.6B

#403 by revenue

Earnings

—

Not reported

Shares outstanding

463,763,555

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Real Estate Investment Trusts, ranked by market cap

All 173 →
  1. #2PrologisPLD$122.4B
  2. #3EquinixEQIX$98.9B
  3. #4American TowerAMT$90.0B
  4. #5Simon Property GroupSPG$73.5B
  5. #6Digital Realty TrustDLR$66.3B

What if American Tower were worth as much as…

Open the what-if tool →

Gold $28.2T

$60,886.36

Per share 314× higher

Bitcoin $1.53T

$3,294.45

Per share 17.0× higher

Apple $5.02T

$10,815.39

Per share 55.7× higher

Or at a round number

$200.0B$500.0B$1.00T$2.00T

Where these numbers come from

Share counts and financials for American Tower are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Read the methodology.