Concentration of Risk

AMERICAN TOWER CORP /MA/

Medium

AMT · NYSE · Real Estate Investment Trusts · CIK 0001053507

Latest filing: 10-K · 2026-02-24

Customer concentration

Significant Customers note · revenue dependency

High
Top exposure
59%
Four Customers
T-Mobile18%
AT and T Mobility17%
Verizon Wireless14%
Telefonica10%
Members of this group
Flat

Click a point to open the SEC source

FY250%15%30%45%60%

Geographic concentration

Segment reporting · geographic revenue

High
Top exposure
62.3%
U.S. & Canada
Flat

Click a point to open the SEC source

FY23FY24FY250%20%40%60%80%

Supplier concentration

Risk Factors · supply chain dependency

Low
Dependency
Diversified
Diversified
Flat

Qualitative dependency level by filing year.

Product concentration

ASC 275 · disclosed dependence on a specific product or service

Low
Top exposure
<10%
No disclosure detected
Flat

Credit concentration

ASC 825 · concentration of credit risk note

Low
Receivables
<10%
Diversified
Flat
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