---
schema_version: "secwatch.filing_event.v1"
accession: "0001053507-23-000112"
form_type: "8-K"
ticker: "AMT"
cik: "0001053507"
company_name: "AMERICAN TOWER CORP /MA/"
filed_at: "2023-04-26T23:59:59+00:00"
generated_at: "2026-06-16T11:34:19.077993+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# American Tower Q1 revenue up 4% to $2,767M, AFFO up 1.5%, net income down 55% on forex losses

## Summary
- Total revenue $2,767M (+4.0% YoY); property revenue $2,715M (+4.4%).
- Net income $315M (-55.2%) driven by $84.1M forex loss and $80.0M Mexico fiber sale loss.
- Adjusted EBITDA $1,763M (+8.6%); margin 63.7%. AFFO attributable to common $1,185M (+1.5%), per share $2.54.
- Organic Tenant Billings Growth 6.4%; CoreSite record new business; 11th consecutive quarter with 1,000+ built sites.

## SEC filing metadata
- accession: 0001053507-23-000112
- form_type: 8-K
- ticker: AMT
- cik: 0001053507
- company_name: AMERICAN TOWER CORP /MA/
- filed_at: 2023-04-26T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1053507/000105350723000112/0001053507-23-000112-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1053507/000105350723000112/amt-20230426.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001053507-23-000112
- JSON: https://secwatch.observer/filing/0001053507-23-000112.json
- Plain text: https://secwatch.observer/filing/0001053507-23-000112.txt

## Key facts
- Earnings Releases
  AMERICAN TOWER CORP /MA/ reported the quarter ended March 31, 2023 results: revenue $2,767 million, net income $315 million, EPS $0.72 per diluted share.
  - Period: the quarter ended March 31, 2023
  - Revenue: $2,767 million
  - Net income: $315 million
  - EPS: $0.72 per diluted share
  - Result: reported results
  source text: Telephone: (617) 375-7500 AMERICAN TOWER CORPORATION REPORTS FIRST QUARTER 2023 FINANCIAL RESULTS CONSOLIDATED HIGHLIGHTS First Quarter 2023 ● Total revenue increased 4.0% to $2,767 million ● Property revenue increased 4.4% to $2,715 million ● Net income decreased 55.2% to $315 million (1)(2) ● Adjusted EBITDA increased 8.6% to $1,763 million ● Net income
  evidence_url: https://www.sec.gov/Archives/edgar/data/1053507/000105350723000112/0001053507-23-000112-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.