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American Tower Corp

AMTNYSEReal Estate Investment TrustsFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Oct 27, 2026Score 7/302% above fair value
$188.30+0.52 (+0.28%)

Close on Nov 2, 2026Market cap $87.74BP/E 25.9Yield 3.61%

American Tower Full-Year Outlook by Quarter

Full-Year Outlook — New Communications Sites Construction Guidance (High Endpoint, Sites)

American Tower Full-Year Outlook: 1,900 in Q3 2026, down 22.4% from a year earlier. That is the lowest of the 31 quarters on record here.

Latest, Q3 2026
1,900
Period ended Sep 30, 2026
Change on a year earlier
-22.4%
2,450 in Q3 2025
History
31 quarters
Since Q1 2019
Sources
31
Documents cited below

Where the Q3 2026 figure comes from

“Includes the construction of 1,300 to 1,900 communications sites globally and $695 million of development spend in the Company’s Data Centers segment”

Source: American Tower SEC Form 8-K Earnings Release FY2026Q3 (0001053507-26-000154, filed 2026-10-27) ↗

Reported in SEC Form 8-K Earnings Release (Full-Year Outlook Table & Operational Footnotes).

Quarterly history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedFull-Year Outlook — New Communications Sites Construction Guidance (High Endpoint, Sites)Year on yearSource
Q3 2026Sep 30, 20261,900-22.4%American Tower SEC Form 8-K Earnings Release FY2026Q3 (0001053507-26-000154, filed 2026-10-27) ↗
Q2 2026Jun 30, 20262,300-6.1%American Tower SEC Form 8-K Earnings Release FY2026Q2 (0001053507-26-000131, filed 2026-07-28) ↗
Q1 2026Mar 31, 20262,300-9.8%American Tower SEC Form 8-K Earnings Release FY2026Q1 (0001053507-26-000094, filed 2026-04-28) ↗
Q4 2025Dec 31, 20252,300-9.8%American Tower SEC Form 8-K Earnings Release FY2025Q4 (0001053507-26-000032, filed 2026-02-24) ↗
Q3 2025Sep 30, 20252,450-5.8%American Tower SEC Form 8-K Earnings Release FY2025Q3 (0001053507-25-000147, filed 2025-10-28) ↗
Q2 2025Jun 30, 20252,450-30.0%American Tower SEC Form 8-K Earnings Release FY2025Q2 (0001053507-25-000117, filed 2025-07-29) ↗
Q1 2025Mar 31, 20252,550-27.1%American Tower SEC Form 8-K Earnings Release FY2025Q1 (0001053507-25-000100, filed 2025-04-29) ↗
Q4 2024Dec 31, 20242,550-27.1%American Tower SEC Form 8-K Earnings Release FY2024Q4 (0001053507-25-000022, filed 2025-02-25) ↗
Q3 2024Sep 30, 20242,600-30.7%American Tower SEC Form 8-K Earnings Release FY2024Q3 (0001053507-24-000128, filed 2024-10-29) ↗
Q2 2024Jun 30, 20243,500-23.1%American Tower SEC Form 8-K Earnings Release FY2024Q2 (0001053507-24-000103, filed 2024-07-30) ↗
Q1 2024Mar 31, 20243,500-23.1%American Tower SEC Form 8-K Earnings Release FY2024Q1 (0001053507-24-000081, filed 2024-04-30) ↗
Q4 2023Dec 31, 20233,500-23.1%American Tower SEC Form 8-K Earnings Release FY2023Q4 (0001053507-24-000009, filed 2024-02-27) ↗
Q3 2023Sep 30, 20233,750-46.4%American Tower SEC Form 8-K Earnings Release FY2023Q3 (0001053507-23-000158, filed 2023-10-26) ↗
Q2 2023Jun 30, 20234,550-35.0%American Tower SEC Form 8-K Earnings Release FY2023Q2 (0001053507-23-000140, filed 2023-07-27) ↗
Q1 2023Mar 31, 20234,550-35.0%American Tower SEC Form 8-K Earnings Release FY2023Q1 (0001053507-23-000112, filed 2023-04-26) ↗
Q4 2022Dec 31, 20224,550-35.0%American Tower SEC Form 8-K Earnings Release FY2022Q4 (0001053507-23-000021, filed 2023-02-23) ↗

Cite this data

StockData. (2026). American Tower Full-Year Outlook, quarterly Q1 2019–Q3 2026 [Data set]. Compiled from American Tower SEC filings and investor materials. https://stockdatahq.com/stocks/amt/kpis/guid-sites-build-high

See every metric in the American Tower KPI table. Data updated Nov 1, 2026.