AMT at a glance
American Tower (AMT, SEC CIK 1053507) filed its latest 10-K annual report on February 24, 2026, a 10-Q quarterly report on July 28, 2026, an 8-K current report on September 18, 2026 and Form 4 insider filings as recently as October 5, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), American Tower (AMT) reported revenue of $935.9 million (up 20.8% from FY2024) and net income of $2.5 billion. Diluted EPS was $5.40.
- As of June 30, 2026, 58 institutional investment managers tracked by SignalX reported holding American Tower (AMT) shares worth $38.1 billion in 13F-HR filings.
- The most recent insider open-market purchase reported on Form 4 was by Kalathur Rajesh on August 21, 2026 of 2,829 shares at $177.00 per share.
- In the last 90 days, AMT insiders reported 1 open-market purchase ($501K) and 3 open-market sales ($1.2M) on Form 4, a net sale of $703K.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $935.9M
- +20.8% vs prior year
- Insiders · 90 days
- 1 buy · 3 sells
- Net −$703K
- 13F holders
- 58 funds
- $38.1B · +1 vs prior quarter
- Latest 8-K
- Sep 18, 2026
- Item 8.01 · Item 5.02
AI 10-K Annual Report Analysis
Latest 10-K, fiscal year ended Dec 31, 2025
Management Discussion & Analysis
- Total revenue $10.64B, up 5% YoY ($10.13B in 2024); property revenue $10.31B up 4%, Services $340M up 75%
- Adjusted EBITDA $7.13B vs $6.81B prior year; net income $2.63B vs $2.28B (prior year burdened by $978M ATC TIPL discontinued operations loss)
- Best segment: Africa & APAC operating profit up 19% to $900M; worst: Latin America down 4% to $1.03B driven by FX headwinds and revenue reserves in Brazil/Mexico
- Operating cash flow $5.46B; capex $1.72B including $609M data centers; buybacks $365M; dividends $3.16B paid to common stockholders in 2025
- Key risks: AT&T Mexico arbitration (~$300M revenue exposure, $30M reserves booked); DISH default under SCA (~2% total property revenue); $37.4B total debt with $3.4B current portion
Business Overview
- Global REIT leasing tower/data center space to wireless carriers; property ops = 97% of total revenue in 2025
- Portfolio of 149,686 communications sites across 4 regions plus 30 data center facilities in 11 U.S. markets
- Strategic pivot toward developed markets: divested South Africa fiber in 2025, Australia/India/New Zealand in 2024; $11.1B liquidity available
- Services segment grew to 3% of revenue in 2025 vs 2% in 2024 and 1% in 2023, signaling accelerating U.S. tower activity
- U.S. & Canada churn ~2% of tenant billings; $54B+ non-cancellable lease revenue backlog as of December 31, 2025
Risk Factors
- AT&T Mexico arbitration over MLA lease calculations; ~$300M tenant revenue at risk, $30M reserves recorded in 2025 with future reserves expected
- $37.2B consolidated debt as of Dec 31, 2025; covenant breaches could trigger cross-acceleration across credit facilities
- DISH Wireless defaulted on Strategic Collocation Agreement (SCA, March 2021); represented ~2% total and ~4% U.S. & Canada property revenue in 2025
- Data center segment (10% of 2025 revenues) exposed to AI-driven power density demands that existing facilities may not support
- OECD Pillar 2 Rules: U.S.-parented entity Top-Up Tax exposure potentially material from fiscal 2026 if Side-by-Side Safe Harbor not enacted
AI summary of the AMT 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Management Discussion & Analysis
- Revenue $2,749.1M, up 5% YoY from $2,626.9M
- Best segment Africa & APAC, revenue $415.3M, up 23% YoY
- Worst segment Services, revenue $61.3M, down 38% YoY
- Property gross margin $1,979.9M, up 5% YoY from $1,886.8M
- Headwinds: DISH bankruptcy, 5% churn, $17.5M impairment; AT&T Mexico reserves $20M
Risk Factors
- No risk-factors section provided; submitted text covers equity repurchases and exhibits only
- Liquidity risk from buybacks funded through cash, operations, and credit-facility borrowings
- Capital-allocation risk: $1.5 billion remaining under the Buyback Program
- Market risk: repurchase pacing subject to general market conditions
- Compliance risk: Rule 10b5-1 repurchases remain subject to securities laws and legal requirements
AI summary of the AMT 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 8.01: Other Events
- Quarterly cash distribution of $1.79 per common share declared
- Payment scheduled for October 20, 2026
Item 5.02: Departure/Appointment of Directors or Principal Officers
- Kristen M. Ludgate elected director effective September 17, 2026, serving through the 2027 Annual Meeting
- Compensation and Human Capital Committee appointment adds senior expertise in succession, compensation and talent strategy
Item EX-99.1: Item EX-99.1
- Board elected Kristen M. Ludgate, former HP Chief People Officer, adding governance, succession, compensation and transformation expertise
- Quarterly cash distribution declared at $1.79 per share
Item 1.01: Entry into a Material Definitive Agreement
- $1.6B senior notes issued across 2031–2036 maturities, generating approximately $1,579.9M net proceeds
- Coupons range from 5.300% to 5.750%, materially refinancing $600.0M of 1.450% notes due 2026
Item EX-99.1: Item EX-99.1
- $1.6B senior unsecured notes priced across 2031, 2033 and 2036 maturities
- Coupon rates of 5.300%, 5.560% and 5.750%, increasing long-term interest expense
Item 8.01: Other Events
- $1.6B senior unsecured notes priced across maturities due 2031, 2033 and 2036
- 2031 notes: $500M at 5.300% interest, issued at 99.718% of face value
AI summaries of AMT 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for AMT
Don't miss the next AMT filing
- Alerts as it files. A push when AMT files an 8-K or an insider trades.
- Fund moves. Which tracked funds opened, added or cut AMT, by share count.
- Ask anything. An AI agent that reads every AMT filing and answers with sources.
AMT alerts on your phone. Follow it in the SignalX Android app.
Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Blanchett Paul | A | Oct 1, 2026 | 16,299 | - |
| Kalathur Rajesh | Buy | Aug 21, 2026 | 2,829 | $177.00 |
| Dowling Ruth T | Sell | Jul 29, 2026 | 1,106 | $174.96 |
| Meyer Robert Joseph | Sell | Jul 29, 2026 | 5,000 | $178.89 |
| Dowling Ruth T | Sell | Jul 28, 2026 | 685 | $169.54 |
| REEVE PAMELA D A | G | May 28, 2026 | 810 | - |
| Dowling Ruth T | Sell | Apr 29, 2026 | 416 | $177.54 |
| Dowling Ruth T | Sell | Apr 28, 2026 | 556 | $178.48 |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | - | $774.6M | $935.9M |
| Operating Income | $3.0B | $4.5B | $4.8B |
| Net Income | $1.5B | $2.3B | $2.5B |
| Op. Margin | - | 583.1% | 517.8% |
| Net Margin | - | 291.1% | 270.3% |
| Balance Sheet | |||
| Total Assets | - | $61.1B | $63.2B |
| Equity | - | $3.4B | $3.7B |
| ROE | - | 66.7% | 69.3% |
| Per Share | |||
| EPS | - | $4.82 | $5.40 |
| Cash Flow | |||
| Operating CF | $4.7B | $5.3B | $5.5B |
| CapEx | $1.8B | $1.6B | $1.7B |
Source: XBRL data in American Tower (AMT)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate AMT share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 58 | $38.07B |
| Q1 2026 | 57 | $40.44B |
| Q4 2025 | 54 | $41.61B |
| Q3 2025 | 57 | $50.07B |
| Q2 2025 | 55 | $54.34B |
| Q1 2025 | 53 | $41.73B |
| Q4 2024 | 49 | $29.57B |
| Q3 2024 | 43 | $18.76B |
- AQR Capital Management+1.89M (+329%)
- Millennium Management+1.17M (+114%)
- COHEN & STEERS, INC.+1.16M (+9%)
- BlackRock+842.4K (+2%)
- State Street Corp+631.6K (+3%)
- JPMorgan Chase & Co−6.27M (-41%)
- Franklin Resources−925.2K (-28%)
- Two Sigma Investments−795.0K (-65%)
- Bank of America Corp−606.1K (-13%)
- T. Rowe Price Group−563.1K (-12%)
Source: 13F-HR filings on SEC EDGAR (aggregated from 426 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
AMT filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
10-K annual reports
10-Q quarterly reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 4 | Oct 5, 2026 | - | - | - |
| 8-K | Sep 18, 2026 | - | Analysis | - |
| 8-K | Sep 14, 2026 | - | Analysis | - |
| 8-K | Sep 9, 2026 | - | Analysis | - |
| 4 | Aug 25, 2026 | - | - | - |
| 4 | Jul 31, 2026 | - | - | - |
| 4 | Jul 30, 2026 | - | - | - |
| 8-K | Jul 28, 2026 | - | Analysis | - |
| 10-Q | Jul 28, 2026 | Jun 30, 2026 | Analysis | |
| 8-K | Jun 4, 2026 | - | Analysis | |
| 8-K | Jun 2, 2026 | - | Analysis | |
| 4 | Jun 1, 2026 | - | - | |
| 8-K | May 27, 2026 | - | Analysis | |
| 8-K | May 19, 2026 | - | Analysis | |
| 8-K | May 7, 2026 | - | Analysis | |
| 4 | Apr 30, 2026 | - | - | - |
| SC 13G | Apr 29, 2026 | - | - | |
| SC 13G | Apr 28, 2026 | - | - | |
| 8-K | Apr 28, 2026 | - | Analysis | - |
| 10-Q | Apr 28, 2026 | Mar 31, 2026 | Analysis | |
| 4 | Mar 12, 2026 | - | - | - |
| 4 | Mar 12, 2026 | - | - | - |
| 4 | Mar 12, 2026 | - | - | - |
| 4 | Mar 12, 2026 | - | - | - |
| 4 | Mar 12, 2026 | - | - | - |
Related Real Estate companies
- AKR · ACADIA REALTY TRUSTReal Estate Investment Trusts
- ACR · ACRES Commercial Realty Corp.Real Estate Investment Trusts
- ADAM · ADAMAS TRUST, INC.Real Estate Investment Trusts
- ALX · ALEXANDERS INCReal Estate Investment Trusts
- ARE · Alexandria Real Estate EquitiesReal Estate Investment Trusts
- PINE · Alpine Income Property Trust, Inc.Real Estate Investment Trusts
- AAT · American Assets Trust, Inc.Real Estate Investment Trusts
- AHR · American Healthcare REIT, Inc.Real Estate Investment Trusts
AMT SEC filings: frequently asked questions
Are AMT insiders buying or selling?
In the last 90 days, American Tower (AMT) officers, directors and 10% owners reported 1 open-market purchase worth $500,733 by 1 insider and 3 open-market sales worth $1.2 million by 2 insiders on Form 4, a net sale of $703,358. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold AMT stock?
As of June 30, 2026, the largest American Tower (AMT) holders among the 13F filers tracked by SignalX were BlackRock ($7.5 billion), Vanguard Capital Management LLC ($5.0 billion), Vanguard Portfolio Management LLC ($4.6 billion), State Street Corp ($3.6 billion), COHEN & STEERS, INC. ($2.3 billion). 13F-HR reports are filed up to 45 days after each quarter ends.
What was AMT's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), American Tower (AMT) reported revenue of $935.9 million (up 20.8% from FY2024) and net income of $2.5 billion. Diluted EPS was $5.40. The figures come from the XBRL data in the 10-K.
What are the main risks in AMT's latest 10-K?
In the 10-K filed February 24, 2026, American Tower (AMT) flagged: AT&T Mexico arbitration over MLA lease calculations; ~$300M tenant revenue at risk, $30M reserves recorded in 2025 with future reserves expected. $37.2B consolidated debt as of Dec 31, 2025; covenant breaches could trigger cross-acceleration across credit facilities. (AI summary of the Risk Factors section.)
What did AMT report in its latest 8-K?
American Tower (AMT) filed an 8-K on September 18, 2026 reporting Item 8.01 (Other Events) and Item 5.02 (Departure/Appointment of Directors or Principal Officers). Quarterly cash distribution of $1.79 per common share declared.
What are the latest AMT SEC filings?
American Tower (AMT) filed its latest 10-K annual report on February 24, 2026, a 10-Q quarterly report on July 28, 2026, an 8-K current report on September 18, 2026 and a Form 4 insider filing on October 5, 2026.
What is AMT's SEC CIK number?
American Tower (AMT)'s SEC Central Index Key (CIK) is 1053507. EDGAR lists every AMT filing under that number.
Ask anything about AMT
The research agent reads AMT's filings, financials, insider trades and 13F holders, then answers with sources.