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AMERICAN TOWER CORP /MA/

LISTEDNYSE

SYMBOLAMT

SIC6798

STATE OF INC.DE

FISCAL YEAR ENDSDecember 31

CIK1053507

REAL ESTATE INVESTMENT TRUSTS · LARGE ACCELERATED FILER · 10 FISCAL YEARS OF SEC XBRL DATA, 2016–2025

Fiscal years labelled by the calendar year in which they end. Bars in $ billions; per-share figures as reported.

CAPITALIZATION 12/31/25

($ millions)	Amount	%
Total debt	37,220	91.1
Stockholders' equity	3,652	8.9
Total capitalization	40,873	100.0

465,960,048 shares outstanding at 21 July 2026 (cover page of the 10-Q filed 28 July 2026).

LONG-TERM DEBT 12/31/25

($ millions)	Amount
Long-term debt, incl. current maturities	37,220
Long-term debt, noncurrent	33,832
Current maturities	3,388

CAPITAL STOCK 12/31/25

Common shares authorized	1,000,000,000
Common shares issued	479,358,000
Treasury shares	13,040,000
Par or stated value per share ($)	0.01
Outstanding at 7/21/26	465,960,048

DIVIDENDS DECLARED/PAID

Fiscal year	Per share $	Payout %
2025	6.80	125.9
2024	6.56	136.1
2023	6.45	202.8
2022	5.86	153.4
2021	–	–

HISTORY AND BUSINESS

HISTORY: Incorporated in Delaware. Formerly known as AMERICAN TOWER SYSTEMS CORP (to 8 May 1998).

BUSINESS: Classified by the SEC under Standard Industrial Classification 6798, Real Estate Investment Trusts. Large accelerated filer. Principal executive office: 222 Berkeley Street, Boston, MA 02116. Fiscal year ends December 31. For a description of the business, see Item 1 of the latest 10-K.

CONSOLIDATED INCOME ACCOUNT, YEARS ENDED

($ millions)	12/31/25	12/31/24	12/31/23
Total revenues	936	775	747
Rental revenue	9,709	9,353	9,265
Depreciation and amortization	2,042	2,029	2,928
Operating income	4,846	4,516	3,126
Interest expense	1,359	1,404	1,398
Net income	2,628	2,280	1,367
Earned per share, diluted ($)	5.40	4.82	3.18
Dividends per share ($)	6.80	6.56	6.45

CONSOLIDATED BALANCE SHEET

($ millions)	12/31/25	12/31/24
Cash and equivalents	1,475	2,000
Total assets	63,190	61,077
Total liabilities	52,835	51,429
Stockholders' equity	3,652	3,382

TEN-YEAR STATISTICS: FISCAL YEARS ($ millions except per share)

Fiscal year ended	Revenues	Oper. income	Net income	Net margin %	EPS diluted $	Div. per share $	Oper. cash flow	Capital expend.	Free cash flow	Total assets	Total liabilities	Total debt	Stockholders' equity	ROE %	Debt / equity
12/31/25	10,645	4,846	2,530	23.8	5.40	6.80	5,464	1,680	3,784	63,190	52,835	37,220	3,652	69.3	10.19
12/31/24	10,127	4,516	2,255	22.3	4.82	6.56	5,290	1,590	3,700	61,077	51,429	36,502	3,382	66.7	10.79
12/31/23	10,012	3,126	1,483	14.8	3.18	6.45	4,722	1,798	2,924	66,028	55,162	38,801	4,198	35.3	9.24
12/31/22	9,645	2,739	1,766	18.3	3.82	5.86	3,696	1,874	1,823	67,194	54,786	38,902	5,572	31.7	6.98
12/31/21	9,357	3,132	2,568	27.4	5.66	–	4,820	1,377	3,443	69,888	60,818	43,498	5,081	50.5	8.56
12/31/20	8,042	2,888	1,691	21.0	3.79	–	3,881	1,032	2,850	47,234	42,453	29,288	4,094	41.3	7.15
12/31/19	7,580	2,688	1,888	24.9	4.24	–	3,753	991	2,761	42,802	36,215	2	5,055	37.3	0.00
12/31/18	7,440	1,905	1,236	16.6	2.77	–	3,748	913	2,835	33,010	26,106	21,160	5,336	23.2	3.97
12/31/17	6,664	1,998	1,239	18.6	2.67	–	2,926	804	2,122	33,214	25,260	20,205	6,242	19.8	3.24
12/31/16	5,786	1,853	956	16.5	1.98	–	2,702	682	2,019	30,879	22,812	18,533	6,764	14.1	2.74

Net margin = net income ÷ revenues; ROE = net income ÷ year-end stockholders’ equity; total debt = long-term debt including current maturities plus short-term borrowings/commercial paper, as tagged in XBRL; free cash flow = operating cash flow − purchases of property, plant and equipment; d = derived as total assets − total equity where the filing does not tag total liabilities; – = not reported in XBRL for that year.

REGISTRANT:

AMERICAN TOWER CORP /MA/
CIK 1053507 · EIN 65-0723837

PRINCIPAL OFFICE:

222 Berkeley Street, Boston, MA 02116
Tel.: 6173757500

INCORPORATED:

Delaware

INDUSTRY (SEC SIC CODE):

6798 · Real Estate Investment Trusts

FILER STATUS:

Large accelerated filer

LATEST ANNUAL REPORT:

10-K for period ended 12/31/25, filed 24 February 2026

FORMER NAMES:

AMERICAN TOWER SYSTEMS CORP

RECENT FILINGS (ANNUAL REPORT REFERENCES BELOW):

9/18/26	8-K	period 9/17/26
9/14/26	8-K	period 9/14/26
9/9/26	8-K	period 9/9/26
7/28/26	10-Q	period 6/30/26
7/28/26	8-K	period 7/28/26
6/4/26	8-K	period 6/2/26
6/2/26	8-K	period 6/2/26
5/27/26	8-K	period 5/27/26

Sources: SEC XBRL company facts (all financial figures) · SEC submissions (registrant, address, SIC, filings) · annual reports: 10-K FY2025 (filed 2/24/26) · 10-K FY2024 (filed 2/25/25) · 10-K FY2023 (filed 2/27/24) · 10-K FY2020 (filed 2/25/21) · 10-K FY2019 (filed 2/25/20) · 10-K FY2018 (filed 2/27/19). Values are the latest figures filed for each fiscal year (restated where a later 10-K restated them). Ratios and free cash flow are Pathos calculations from those figures. Retrieved 31 October 2026.