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American Tower Corp

AMT
Exchange
NYSE
Industry
Real Estate Investment Trusts
SEC CIK
0001053507

In the last 90 days, American Tower Corp insiders filed 1 open-market purchase and 2 sales; 1,757 institutions reported holding it in 13F filings for Q2 2026, worth $72.0B in total; Akre Capital Management is the only superinvestor holding it.

13F holders, Q1 2025

Institutional positions in American Tower Corp as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,845
+73 vs. Q4 2024
Shares held
436.7M
+8.49M (+2.0%) vs. Q4 2024
Total value
$95.0B
+$16.5B (+21.0%) vs. Q4 2024
New holders
197
694 more added
Sold out
124
733 more reduced

26 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AMT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 1,845 institutions
Q1 2021: 1,613 institutionsQ2 2021: 1,656 institutionsQ3 2021: 1,678 institutionsQ4 2021: 1,799 institutionsQ1 2022: 1,723 institutionsQ2 2022: 1,747 institutionsQ3 2022: 1,693 institutionsQ4 2022: 1,711 institutionsQ1 2023: 1,706 institutionsQ2 2023: 1,688 institutionsQ3 2023: 1,634 institutionsQ4 2023: 1,802 institutionsQ1 2024: 1,769 institutionsQ2 2024: 1,769 institutionsQ3 2024: 1,852 institutionsQ4 2024: 1,798 institutionsQ1 2025: 1,845 institutionsQ2 2025: 1,851 institutionsQ3 2025: 1,799 institutionsQ4 2025: 1,781 institutionsQ1 2026: 1,760 institutionsQ2 2026: 1,757 institutions
Value heldQ1 2025: $95.0B
Q1 2021: $95.8BQ2 2021: $111.7BQ3 2021: $109.6BQ4 2021: $121.8BQ1 2022: $104.3BQ2 2022: $109.0BQ3 2022: $91.0BQ4 2022: $90.0BQ1 2023: $86.3BQ2 2023: $82.1BQ3 2023: $69.9BQ4 2023: $93.6BQ1 2024: $85.0BQ2 2024: $83.8BQ3 2024: $99.4BQ4 2024: $79.6BQ1 2025: $95.0BQ2 2025: $96.5BQ3 2025: $82.5BQ4 2025: $77.0BQ1 2026: $74.4BQ2 2026: $72.0B
Institutions holding AMT and their total value by quarter
QuarterHoldersValue
Q2 20261,757$72.0B
Q1 20261,760$74.4B
Q4 20251,781$77.0B
Q3 20251,799$82.5B
Q2 20251,851$96.5B
Q1 20251,845$95.0B
Q4 20241,798$79.6B
Q3 20241,852$99.4B
Q2 20241,769$83.8B
Q1 20241,769$85.0B
Q4 20231,802$93.6B
Q3 20231,634$69.9B
Q2 20231,688$82.1B
Q1 20231,706$86.3B
Q4 20221,711$90.0B
Q3 20221,693$91.0B
Q2 20221,747$109.0B
Q1 20221,723$104.3B
Q4 20211,799$121.8B
Q3 20211,678$109.6B
Q2 20211,656$111.7B
Q1 20211,613$95.8B

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q4 2024.

Institutions holding AMT in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
WMS Partners, LLC0$00.00%−3,236−100.0%Sold out
Headlands Technologies LLC0$00.00%−3,188−100.0%Sold out
Morningstar Investment Management LLC0$00.00%−3,056−100.0%Sold out
Sig Brokerage, LP0$00.00%−2,990−100.0%Sold out
Buckingham Strategic Partners0$00.00%−2,711−100.0%Sold out
Vienna Asset Management LLC0$00.00%−2,710−100.0%Sold out
Laidlaw Wealth Management LLC0$00.00%−2,531−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−2,505−100.0%Sold out
Arrow Financial Corp0$00.00%−2,472−100.0%Sold out
Fulcrum Capital LLC0$00.00%−2,385−100.0%Sold out
Alethea Capital Management, LLC0$00.00%−2,337−100.0%Sold out
National Wealth Management Group, LLC0$00.00%−2,199−100.0%Sold out
Symphony Financial, Ltd. Co.0$00.00%−2,033−100.0%Sold out
Bluesphere Advisors, LLC0$00.00%−2,000−100.0%Sold out
First American Trust, FSB0$00.00%−1,908−100.0%Sold out
Diametric Capital, LP0$00.00%−1,896−100.0%Sold out
XTX Topco Ltd0$00.00%−1,833−100.0%Sold out
Aveo Capital Partners, LLC0$00.00%−1,805−100.0%Sold out
Clear Street Markets LLC0$00.00%−1,700−100.0%Sold out
LGL Partners, LLC0$00.00%−1,664−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−1,546−100.0%Sold out
DRW Securities, LLC0$00.00%−1,526−100.0%Sold out
Parcion Private Wealth LLC0$00.00%−1,455−100.0%Sold out
Nichols & Pratt Advisers LLP0$00.00%−1,375−100.0%Sold out
L & S Advisors Inc0$00.00%–Sold out
Quantitative Investment Management, LLC0$00.00%−1,314−100.0%Sold out
Transform Wealth, LLC0$00.00%−1,295−100.0%Sold out
Catalina Capital Group, LLC0$00.00%−1,302−100.0%Sold out
BCJ Capital Management, LLC0$00.00%−1,248−100.0%Sold out
Custom Index Systems, LLC0$00.00%−1,212−100.0%Sold out
Vision Financial Markets LLC0$00.00%−1,200−100.0%Sold out
Virtus ETF Advisers LLC0$00.00%−752−100.0%Sold out
Transcendent Capital Group LLC0$00.00%−641−100.0%Sold out
LGT Financial Advisors LLC0$00.00%−575−100.0%Sold out
Hall Laurie J Trustee0$00.00%−425−100.0%Sold out
Venturi Wealth Management, LLC0$00.00%−337−100.0%Sold out
Coppell Advisory Solutions LLC0$00.00%−324−100.0%Sold out
Van Hulzen Asset Management, LLC0$00.00%−305−100.0%Sold out
Raleigh Capital Management Inc.0$00.00%−236−100.0%Sold out
Hoey Investments, Inc0$00.00%−210−100.0%Sold out
Fairfield Financial Advisors, LTD0$00.00%−140−100.0%Sold out
Menard Financial Group LLC0$00.00%−104−100.0%Sold out
Mainstream Capital Management LLC0$00.00%−104−100.0%Sold out
MidAtlantic Capital Management, Inc.0$00.00%−95−100.0%Sold out
Eagle Bay Advisors LLC0$00.00%−88−100.0%Sold out
Financial Life Planners0$00.00%−76−100.0%Sold out
POM Investment Strategies, LLC0$00.00%−71−100.0%Sold out
Maryland Capital Advisors Inc.0$00.00%−45−100.0%Sold out
Oarsman Capital, Inc.0$00.00%−45−100.0%Sold out
MRP Capital Investments, LLC0$00.00%−40−100.0%Sold out
Heritage Wealth Advisors0$00.00%−34−100.0%Sold out
Lee Danner & Bass Inc0$00.00%−26−100.0%Sold out
Tucker Asset Management LLC0$00.00%−24−100.0%Sold out
Fairman Group, LLC0$00.00%−16−100.0%Sold out
Delos Wealth Advisors, LLC0$00.00%−15−100.0%Sold out
Estabrook Capital Management0$00.00%−13−100.0%Sold out
Caitlin John, LLC0$00.00%−11−100.0%Sold out
Legend Financial Advisors, Inc.0$00.00%−10−100.0%Sold out
Global Trust Asset Management, LLC0$00.00%−9−100.0%Sold out
Davidson Capital Management Inc.0$00.00%−8−100.0%Sold out
Riverview Trust Co0$00.00%−7−100.0%Sold out
Chesapeake Asset Management LLC0$00.00%−5−100.0%Sold out
Measured Risk Portfolios, Inc.0$00.00%−5−100.0%Sold out
Country Trust Bank0$00.00%−4−100.0%Sold out
New Wave Wealth Advisors LLC0$00.00%−4−100.0%Sold out
Vista Private Wealth Partners. LLC0$00.00%−3−100.0%Sold out
Sugar Maple Asset Management, LLC0$00.00%−2−100.0%Sold out
Kohmann Bosshard Financial Services, LLC0$00.00%−1−100.0%Sold out
Wood Tarver Financial Group, LLC0$00.00%−1−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed
Swedbank AB––––Not filed
Madison Investment Advisors, LLC––––Not filed
Boston Financial Mangement LLC––––Not filed
Sugarloaf Wealth Management, LLC––––Not filed
Wetherby Asset Management Inc––––Not filed
Lake Street Advisors Group, LLC––––Not filed
Avitas Wealth Management LLC––––Not filed
Northcape Capital Pty Ltd––––Not filed
Global Retirement Partners, LLC––––Not filed
Capstone Triton Financial Group, LLC––––Not filed
Chapman Financial Group, LLC––––Not filed
Northwest Bank & Trust Co––––Not filed
Vise Technologies, Inc.––––Not filed
Buckingham Capital Management, Inc.––––Not filed
Geller Advisors LLC––––Not filed
Zions Bancorporation, N.A.––––Not filed
RE Dickinson Investment Advisors, LLC––––Not filed
WR Wealth Planners, LLC––––Not filed
Hilltop National Bank––––Not filed
Legacy Investment Solutions, LLC––––Not filed
HBC Financial Services, PLLC––––Not filed
Cassady Schiller Wealth Management, LLC––––Not filed
Criterion Capital Advisors, LLC––––Not filed
Financial Gravity Companies, Inc.––––Not filed
Householder Group Estate & Retirement Specialist, LLC––––Not filed