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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 CoreSite Data Center Net Rentable Square Feet by Quarter

CoreSite Data Center Net Rentable Square Feet (NRSF) — Total U.S. Portfolio (ksqft) (K sq ft)

QuarterlyAnnual

American Tower CoreSite Data Center Net Rentable Square Feet: 3,875.0K sq ft in Q3 2026, up 6.5% from a year earlier. That is the highest of the 20 quarters on record here.

Latest, Q3 2026
3,875.0
Period ended Sep 30, 2026
Change on a year earlier
+6.5%
3,637.0 in Q3 2025
History
20 quarters
Since Q4 2021
Sources
20
Documents cited below

Where the Q3 2026 figure comes from

Source: American Tower SEC Form 10-Q FY2026Q3 (0001053507-26-000157, filed 2026-10-27) ↗

Built-out Net Rentable Square Feet (in thousands of sq ft) across all 11 U.S. metro campuses.

Quarterly history

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

PeriodEndedCoreSite Data Center Net Rentable Square Feet (NRSF) — Total U.S. Portfolio (ksqft) (K sq ft)Year on yearSource
Q3 2026Sep 30, 20263,875.0+6.5%American Tower SEC Form 10-Q FY2026Q3 (0001053507-26-000157, filed 2026-10-27) ↗
Q2 2026Jun 30, 20263,830.0+6.7%American Tower SEC Form 10-Q FY2026Q2 (0001053507-26-000133, filed 2026-07-28) ↗
Q1 2026Mar 31, 20263,773.0+9.6%American Tower SEC Form 10-Q FY2026Q1 (0001053507-26-000099, filed 2026-04-28) ↗
Q4 2025Dec 31, 20253,661.0+9.5%American Tower SEC Form 10-K FY2025 (0001053507-26-000035, filed 2026-02-24) ↗
Q3 2025Sep 30, 20253,637.0+12.3%American Tower SEC Form 10-Q FY2025Q3 (0001053507-25-000149, filed 2025-10-28) ↗
Q2 2025Jun 30, 20253,590.0+9.9%American Tower SEC Form 10-Q FY2025Q2 (0001053507-25-000120, filed 2025-07-29) ↗
Q1 2025Mar 31, 20253,443.0+5.4%American Tower SEC Form 10-Q FY2025Q1 (0001053507-25-000102, filed 2025-04-29) ↗
Q4 2024Dec 31, 20243,343.0+2.4%American Tower SEC Form 10-K FY2024 (0001053507-25-000025, filed 2025-02-25) ↗
Q3 2024Sep 30, 20243,240.0+1.2%American Tower SEC Form 10-Q FY2024Q3 (0001053507-24-000130, filed 2024-10-29) ↗
Q2 2024Jun 30, 20243,266.0+3.7%American Tower SEC Form 10-Q FY2024Q2 (0001053507-24-000105, filed 2024-07-30) ↗
Q1 2024Mar 31, 20243,266.0+5.0%American Tower SEC Form 10-Q FY2024Q1 (0001053507-24-000084, filed 2024-04-30) ↗
Q4 2023Dec 31, 20233,266.0+6.8%American Tower SEC Form 10-K FY2023 (0001053507-24-000011, filed 2024-02-27) ↗
Q3 2023Sep 30, 20233,202.0+3.9%American Tower SEC Form 10-Q FY2023Q3 (0001053507-23-000161, filed 2023-10-26) ↗
Q2 2023Jun 30, 20233,148.0+2.7%American Tower SEC Form 10-Q FY2023Q2 (0001053507-23-000142, filed 2023-07-27) ↗
Q1 2023Mar 31, 20233,111.0+1.0%American Tower SEC Form 10-Q FY2023Q1 (0001053507-23-000114, filed 2023-04-26) ↗
Q4 2022Dec 31, 20223,058.0-0.2%American Tower SEC Form 10-K FY2022 (0001053507-23-000023, filed 2023-02-23) ↗

Breakdown

What makes up coreSite Data Center Net Rentable Square Feet

Cite this data

StockData. (2026). American Tower CoreSite Data Center Net Rentable Square Feet (K sq ft), quarterly Q4 2021–Q3 2026 [Data set]. Compiled from American Tower SEC filings and investor materials. https://stockdatahq.com/stocks/amt/kpis/dc-nrsf-total

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