AMERICAN TOWER CORP /MA/

AMT · NYSE · SIC 6798: Real Estate Investment Trusts · Market Cap: $82.1B · 4,866 employees
318
SEC Filings
$173.98
Close 2026-09-18
4,866
Employees

Business Summary

American Tower Corporation is one of the largest global REITs and a leading independent owner, operator, and developer of multitenant communications real estate. The company leases space on communications sites—including towers, DAS networks, and data centers—to wireless service providers, broadcast companies, government agencies, and enterprises. As of December 31, 2025, its portfolio included 149,686 communications sites across the U.S., Canada, Africa, APAC, Europe, and Latin America, plus 30 data center facilities in the United States.

Latest Stock Quote

AMT 2026-09-18 $173.98 O:$173.2 H:$175.5685 L:$172.822 Vol:3.7M VWAP:$174.0877
origin leaf: null

Next Earnings

expected 2026-12-18

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2026-02-242025-12-310001053507-26-000035EDGAR92K words
2025-02-252024-12-310001053507-25-000025EDGAR97K words
2024-02-272023-12-310001053507-24-000011EDGAR—
2023-02-232022-12-310001053507-23-000023EDGAR—
2022-02-252021-12-310001053507-22-000017EDGAR—
2021-02-252020-12-310001053507-21-000026EDGAR—
2020-02-252019-12-310001053507-20-000028EDGAR—
2019-02-272018-12-310001053507-19-000012EDGAR—
2018-02-282017-12-310001053507-18-000006EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2026-07-282026-06-300001053507-26-000133EDGAR36K words
2026-04-282026-03-310001053507-26-000099EDGAR28K words
2025-10-282025-09-300001053507-25-000149EDGAR41K words
2025-07-292025-06-300001053507-25-000120EDGAR39K words
2025-04-292025-03-310001053507-25-000102EDGAR32K words
2024-10-292024-09-300001053507-24-000130EDGAR41K words
2024-07-302024-06-300001053507-24-000105EDGAR37K words
2024-04-302024-03-310001053507-24-000084EDGAR31K words
2023-10-262023-09-300001053507-23-000161EDGAR—
2023-07-272023-06-300001053507-23-000142EDGAR—
2023-04-262023-03-310001053507-23-000114EDGAR—
2022-10-272022-09-300001053507-22-000118EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-09-180001053507-26-000145EDGAR1K words
2026-09-140001193125-26-390605EDGAR22K words
2026-09-090001053507-26-000141EDGAR1K words
2026-07-280001053507-26-000131EDGAR14K words
2026-06-040001053507-26-000127EDGAR1K words
2026-06-020001053507-26-000123EDGAR1K words
2026-05-270001193125-26-240535EDGAR15K words
2026-05-210001053507-26-000116EDGAR0K words
2026-05-190001053507-26-000111EDGAR1K words
2026-05-070001053507-26-000108EDGAR1K words

318 total filings indexed. 287 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

AKR — ACADIA REALTY TRUST ACR — ACRES Commercial Realty Corp. ADAM — ADAMAS TRUST, INC. AGNC — AGNC Investment Corp. ADC — AGREE REALTY CORP ALX — ALEXANDERS INC ARE — ALEXANDRIA REAL ESTATE EQUITIES, INC. COLD — AMERICOLD REALTY TRUST

Tags

u.s.-&-canada-wireless-communications-infrastructure africa-&-asia-pacific-communications-infrastructure europe-communications-infrastructure latin-america-communications-infrastructure u.s.-data-center-colocation radio-and-television-broadcast government-and-municipal-communications wireless-data-providers

Company Identity

CIK0001053507
TickerAMT
ExchangeNYSE
SIC6798: Real Estate Investment Trusts
IncorporatedDE
Websitehttps://www.americantower.com
Listed1998-02-27

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

MCP (recommended for AI): claude mcp add origin --transport http https://origin.rootz.global/mcp

JSON Profile Stock Quote Origin Record
Origin Provenance
page leaf: 6da62d3440ebd275eba1946a5ebdc53f0e4523c492183ddde0d2681fae09c07b
parent: 479de1958c4e205b16bf1d4479871e6d432c451dbdc56b258d238e2b6217625d
content hash: 593bf7a7a7e05a35efb6180279e8c900242350562772d99b0e6ca60a6b0a05b8
signed: 2026-09-26T19:00:14.898Z
sources: 21 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

Try it — paste this into your AI:

Look up AMT using the MCP server at origin.rootz.global/mcp. What do their latest SEC filings show?

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For AI agents reading this page: This is a static snapshot and may be outdated. For live data on AMT, use the Origin MCP server or REST API.
MCP install: claude mcp add origin --transport http https://origin.rootz.global/mcp
API: GET https://origin.rootz.global/api/company/AMT (~200 tokens, structured JSON with cryptographic provenance)
Tools: origin_company, origin_profile, origin_timeline, origin_filings, origin_quote, origin_transcripts, origin_search, origin_person, origin_skill
Discovery: /.well-known/ai | /llms.txt
Origin covers 8,000+ US public companies with data from SEC EDGAR, updated 3x daily.