TotalMarketCap

American Tower

AMTNYSE United StatesReal EstateReal Estate Investment Trusts

Market cap

$76.781 B

$164.78 +1.55%

Close of 7 Oct 2026

As of 7 Oct 2026, American Tower (AMT) has a market capitalization of $76.8B. 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

#407 by revenue

Earnings

—

Not reported

Shares outstanding

465,960,048

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Real Estate Investment Trusts, ranked by market cap

All 175 →
  1. #2PrologisPLD$122.0B
  2. #3EquinixEQIX$103.3B
  3. #4American TowerAMT$76.8B
  4. #5Digital Realty TrustDLR$68.3B
  5. #6Simon Property GroupSPG$65.3B

What if American Tower were worth as much as…

Open the what-if tool →

Gold $28.8T

$61,785.20

Per share 375× higher

Bitcoin $1.67T

$3,584.53

Per share 21.8× higher

Nvidia $5.77T

$12,373.77

Per share 75.1× higher

Or at a round number

$100.0B$200.0B$500.0B$1.00T

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. Last updated 8 Oct 2026. Read the methodology.