Last refreshed: September 4, 2026 (US ET)
Back to holdings

AMT

Defensive

American Tower Corporation (REI

Real Estate·Telecom Tower REITs·β 0.93Yield: High (3-5%)

American Tower Corporation is one of the largest global real estate investment trusts. It is a leading independent owner, operator and developer of multitenant communications real estate. The Company's primary business is the leasing of space on communications sites to wireless service providers, radio and television broadcast companies, wireless data providers, government agencies and municipalities and tenants in a few other industries.

Close · 3M

+0.76%

AMT · 3M

+0.76%

Pinch / wheel to zoom · drag to pan · double-tap to reset

Held by 1 AI ETF

AIEQ0.050%

as of Sep 4

Signal performance

Each tracked ETF's moves on this stock, grouped by fund. Returns are measured from the signal date to the latest close — hypothetical, no commissions or slippage.

Buy signals2
Win rate50% (1/2)
Avg buy return-1.23%
AIEQnow 0.050% of fund3 signals

AIEQ · New entry · 1d

weight 0 → 0.050% (new)·stock down 1.5% in the 30 days before

Aug 2·entry $173.00·now $177.75Drifting

+2.75%
since Aug 2

AIEQ · Exit · 1d

weight 0.120% → 0 (exited)·stock down 11.4% in the 30 days before

Jul 1·entry $166.08·now $177.75

+7.03%
since Jul 1

AIEQ · New entry · 1d

weight 0 → 0.130% (new)·stock up 4.9% in the 30 days before

May 30·entry $187.53·now $177.75Fresh

-5.22%
since May 30
PQUSno longer held1 signal

PQUS · Exit · 1d

weight 0.090% → 0 (exited)·stock up 2.7% in the 30 days before

May 22·entry $183.85·now $177.75

-3.32%
since May 22

Sell signals show what the stock did after the AI exited. A negative number means the AI's exit was well-timed.

Buffett-style framework

Fails the frameworkas of Jul 5

The AI ETF AIEQ recently exited its position in American Tower, which aligns with the framework's 'Fail' verdict. Both analyses suggest that AMT does not currently present an attractive investment opportunity.

  • Circle of CompetenceAmerican Tower's business model, based on long-term leasing of critical telecom infrastructure, offers predictable unit economics for projecting cash flows over a decade.
  • Economic MoatThe company benefits from significant barriers to entry, high switching costs for wireless carrier tenants, and scale advantages, forming a durable economic moat.
  • ManagementBased on the provided financial snippets, there is insufficient information to assess management's candor, capital allocation discipline, or skin in the game.
  • Financial HealthWhile the reported single-year ROE is very high, the provided data is insufficient to assess the 10-year average ROE consistency, stability of operating margins, or the manageability of debt levels typical for a REIT.
  • Margin of SafetyThe current price multiples, including PER of 26.73, PBR of 22.65, and EV/EBITDA of 30.03, indicate a premium valuation that does not offer a defensible margin of safety.

American Tower operates within a predictable industry with a strong economic moat, making it understandable within a circle of competence. However, the available financial data is insufficient to confidently assess its long-term financial health, particularly regarding debt and consistent returns on equity. Furthermore, the current valuation metrics do not present a margin of safety, leading to an overall 'Fail' verdict.

Educational interpretation generated by AI applying frameworks Warren Buffett documented in his shareholder letters and other public writings. Not a statement by Mr. Buffett or Berkshire Hathaway, and not investment advice.