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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 Acquired Intangible Assets by Quarter

Acquired Intangible Assets — Accumulated Amortization ($M) ($M)

QuarterlyAnnual

American Tower Acquired Intangible Assets: $11,515M in Q3 2026, up 6.5% from a year earlier. That is the highest of the 47 quarters on record here.

Latest, Q3 2026
11,515
Period ended Sep 30, 2026
Change on a year earlier
+6.5%
10,814 in Q3 2025
History
47 quarters
Since Q1 2015
Sources
46
Documents cited below

Where the Q3 2026 figure comes from

Source: American Tower SEC Form 10-Q XBRL (0001053507-26-000157, filed 2026-10-27) ↗

Reported in SEC Form 10-Q & 10-K XBRL.

Quarterly history

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

PeriodEndedAcquired Intangible Assets — Accumulated Amortization ($M) ($M)Year on yearSource
Q3 2026Sep 30, 202611,515+6.5%American Tower SEC Form 10-Q XBRL (0001053507-26-000157, filed 2026-10-27) ↗
Q2 2026Jun 30, 202611,361+7.5%American Tower SEC Form 10-Q XBRL (0001053507-26-000133, filed 2026-07-28) ↗
Q1 2026Mar 31, 202611,145+9.4%American Tower SEC Form 10-Q XBRL (0001053507-26-000099, filed 2026-04-28) ↗
Q4 2025Dec 31, 202510,950+9.9%American Tower SEC Form 10-Q XBRL (0001053507-26-000157, filed 2026-10-27) ↗
Q3 2025Sep 30, 202510,814+8.3%American Tower SEC Form 10-Q XBRL (0001053507-25-000149, filed 2025-10-28) ↗
Q2 2025Jun 30, 202510,570+4.0%American Tower SEC Form 10-Q XBRL (0001053507-25-000120, filed 2025-07-29) ↗
Q1 2025Mar 31, 202510,186+1.1%American Tower SEC Form 10-Q XBRL (0001053507-25-000102, filed 2025-04-29) ↗
Q4 2024Dec 31, 20249,964+4.4%American Tower SEC Form 10-K XBRL (0001053507-26-000035, filed 2026-02-24) ↗
Q3 2024Sep 30, 20249,983+4.8%American Tower SEC Form 10-Q XBRL (0001053507-24-000130, filed 2024-10-29) ↗
Q2 2024Jun 30, 202410,164+9.0%American Tower SEC Form 10-Q XBRL (0001053507-24-000105, filed 2024-07-30) ↗
Q1 2024Mar 31, 202410,076+9.6%American Tower SEC Form 10-Q XBRL (0001053507-24-000084, filed 2024-04-30) ↗
Q4 2023Dec 31, 20239,542+8.6%American Tower SEC Form 10-K XBRL (0001053507-25-000025, filed 2025-02-25) ↗
Q3 2023Sep 30, 20239,521+11.7%American Tower SEC Form 10-Q XBRL (0001053507-23-000161, filed 2023-10-26) ↗
Q2 2023Jun 30, 20239,321+12.9%American Tower SEC Form 10-Q XBRL (0001053507-23-000142, filed 2023-07-27) ↗
Q1 2023Mar 31, 20239,190+16.0%American Tower SEC Form 10-Q XBRL (0001053507-23-000114, filed 2023-04-26) ↗
Q4 2022Dec 31, 20228,789+18.7%American Tower SEC Form 10-K XBRL (0001053507-24-000011, filed 2024-02-27) ↗

Cite this data

StockData. (2026). American Tower Acquired Intangible Assets ($M), quarterly Q1 2015–Q3 2026 [Data set]. Compiled from American Tower SEC filings and investor materials. https://stockdatahq.com/stocks/amt/kpis/intang-accum-amort-m

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