AMT (American Tower) Insider Ownership: 0.78 % (As of Jul. 26, 2026)

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AMT American Tower Corp AMT
75 GF Score
Price $166.67
GF Value $207.58
Valuation Modestly Undervalued
! 5 Warning Signs
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What is American Tower Insider Ownership?

American Tower AMT +1.23% 75 Insider Ownership is 0.78 % as of Jul. 26, 2026. GuruFocus rates AMT with a GF Score™ of 75/100 and a GF Value™ of $207.58 (Modestly Undervalued). The stock has 5 warning signs investors should review.

Insider ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, American Tower's insider ownership is 0.78%.

Institutional Ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, American Tower's Institutional Ownership is 106.86%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, American Tower's Float Percentage Of Total Shares Outstanding is 86.83%.

American Tower Insider Ownership Historical Data

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The historical data trend for American Tower's Insider Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

American Tower Insider Ownership Chart

American Tower Historical Data

The historical data trend for American Tower can be seen below:

2025-06-30 2025-07-31 2025-08-31 2025-09-30 2025-10-31 2025-11-30 2026-01-31 2026-02-28 2026-05-31 2026-06-30
Insider Ownership 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.77 0.78 0.78
AMT
75GF Score
American Tower Corp AMT
Insider Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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American Tower Insider Ownership Calculation

The percentage of shares that are owned by company insiders relative to the total shares outstanding.

Frequently Asked Questions Learn more about Insider Ownership →
What does a Insider Ownership of 0.78 % mean?
American Tower (AMT) has a Insider Ownership of 0.78 % as of Jul. 26, 2026. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on American Tower and its competitors.
Is American Tower's Insider Ownership too high?
American Tower's current Insider Ownership is 0.78 %. Overall, American Tower has a GF Score™ of 75/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does American Tower's Insider Ownership compare to DLR and EQIX?
American Tower's Insider Ownership of 0.78 % can be compared against companies in the REITs industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Insider Ownership for a REITs company?
A good Insider Ownership depends on the REITs industry context. However, Insider Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Insider Ownership mean?
A high Insider Ownership can signal that a stock is expensive relative to its fundamentals. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on American Tower and its competitors. American Tower's current Insider Ownership is 0.78 %. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is American Tower stock overvalued right now?
Based on GuruFocus' analysis, American Tower (AMT) is currently considered Modestly Undervalued. The stock's GF Value™ is $207.58, compared to a current price of $166.67 — trading 19.7% below its estimated fair value. The current Insider Ownership is 0.78 %. American Tower's overall GF Score™ is 75/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Insider Ownership calculated?
Insider Ownership is calculated from a company's financial statements. For American Tower (AMT), the current Insider Ownership is 0.78 % as of Jul. 26, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is American Tower (AMT) Overvalued in 2026?

Based on GuruFocus' analysis, American Tower stock appears to be undervalued. The current stock price of $166.67 is trading 19.7% below its estimated GF Value™ of $207.58. GuruFocus considers American Tower to be Modestly Undervalued.

Key valuation signals for AMT:

  • Insider Ownership: 0.78 %
  • GF Value™: $207.58 vs. price of $166.67 (19.7% below fair value)
  • GF Score™: 75/100 with 5 warning signs

No single metric tells the full story. See the AMT stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

American Tower Business Description

Industry Real EstateREITs
Address 222 Berkeley Street, 7th Floor, Boston, MA, USA, 02116
American Tower owns and operates about 150,000 wireless towers throughout the US, Asia, Latin America, Europe, and Africa. It also owns and/or operates 30 data centers in 11 US markets through its CoreSite segment. The company's customer base in the tower business is very concentrated, with most revenue in each market generated by the top three or four mobile carriers. The company operates 42,000 towers in the US, which accounted for about half of total revenue in 2025. Outside the US, American Tower operates about 47,000 towers in Latin America (dominated by Brazil), 33,000 towers in Europe, and 28,000 towers in Africa. American Tower operates as a REIT.
75GF Score

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Insider Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$166.67
Price
$207.58
GF Value