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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, Q3 2025

Institutional positions in American Tower Corp as of Sep 30, 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
1,799
−24 vs. Q2 2025
Shares held
429.3M
−648.5K (−0.2%) vs. Q2 2025
Total value
$82.5B
−$12.4B (−13.1%) vs. Q2 2025
New holders
132
648 more added
Sold out
156
751 more reduced

29 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 1,799 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: 1,852 institutionsQ3 2025: 1,799 institutionsQ4 2025: 1,781 institutionsQ1 2026: 1,760 institutionsQ2 2026: 1,757 institutions
Value heldQ3 2025: $82.5B
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 20251,852$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, Q3 2025

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2025.

Institutions holding AMT in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Fayez Sarofim & Co50,877$9.78M0.02%−1,115−2.1%Reduced
OP Asset Management Ltd50,792$9.77M0.13%+821+1.6%Added
Mutual of America Capital Management LLC50,755$9.76M0.10%−2,928−5.5%Reduced
Lowe Brockenbrough & Co Inc49,236$9.47M0.49%+2,841+6.1%Added
Motley Fool Wealth Management, LLC48,719$9.37M0.64%−7,847−13.9%Reduced
Northwest & Ethical Investments L.P.48,697$9.37M0.22%+2,633+5.7%Added
Ethic Inc.48,577$9.34M0.15%−3,766−7.2%Reduced
Vanderbilt University47,867$9.21M1.53%+3,267+7.3%Added
Palisade Asset Management, LLC47,548$9.14M0.85%+3,401+7.7%Added
Georgetown University46,780$9.00M3.01%+358+0.8%Added
Dividend Assets Capital, LLC46,699$8.98M1.57%+2,917+6.7%Added
Northwestern Mutual Wealth Management Co46,647$8.97M0.01%+374+0.8%Added
Allworth Financial LP45,717$8.79M0.04%+315+0.7%Added
Candriam Luxembourg S.C.A.45,682$8.79M0.05%−591−1.3%Reduced
Pathstone Holdings, LLC45,021$8.67M0.03%−3,231−6.7%Reduced
HB Wealth Management, LLC44,739$8.60M0.06%+5,764+14.8%Added
Nixon Peabody Trust Co44,488$8.56M0.63%−456−1.0%Reduced
1832 Asset Management L.P.44,400$8.54M0.01%−531,874−92.3%Reduced
Park National Corp44,247$8.51M0.27%−1,753−3.8%Reduced
Kingsview Wealth Management, LLC44,237$8.51M0.13%+1,360+3.2%Added
BWCP, LP44,202$8.50M1.47%−777−1.7%Reduced
Capital International Inc43,988$8.46M0.07%+13,019+42.0%Added
Atlantic Union Bankshares Corp43,859$8.43M0.16%−910−2.0%Reduced
Gillson Capital LP43,700$8.40M0.73%−137,730−75.9%Reduced
Trust Co of Vermont42,995$8.27M0.36%−1,341−3.0%Reduced
Fuller & Thaler Asset Management, Inc.42,377$8.15M0.03%+138+0.3%Added
Crossmark Global Holdings, Inc.42,107$8.10M0.12%−13,563−24.4%Reduced
Signal Advisors Wealth, LLC41,957$8.07M0.73%+41,957New
Skylands Capital, LLC41,720$8.02M1.11%+5,225+14.3%Added
Snowden Capital Advisors LLC41,247$8.00M0.22%+593+1.5%Added
Vident Advisory, LLC41,486$7.98M0.08%+31,101+299.5%Added
Lincluden Management Ltd41,175$7.92M0.88%+775+1.9%Added
Soltis Investment Advisors LLC40,581$7.80M0.54%+1,524+3.9%Added
MML Investors Services, LLC40,280$7.75M0.02%−722−1.8%Reduced
Aristotle Atlantic Partners, LLC40,000$7.69M0.22%00.0%Unchanged
Oppenheimer & Co Inc39,830$7.66M0.09%−2,579−6.1%Reduced
Cambridge Investment Research Advisors, Inc.39,172$7.53M0.02%−4,113−9.5%Reduced
Harber Asset Management LLC39,136$7.53M2.70%−49,103−55.6%Reduced
Private Advisor Group, LLC38,347$7.37M0.04%−3,506−8.4%Reduced
Warren Averett Asset Management, LLC37,537$7.22M0.07%+4,259+12.8%Added
XTX Topco Ltd37,385$7.19M0.37%+37,385New
Blue Door Asset Management, LLC37,300$7.17M4.06%+22,500+152.0%Added
New Age Alpha Advisors, LLC36,920$7.10M0.30%−3,523−8.7%Reduced
Teachers Retirement System of the State of Kentucky36,670$7.05M0.05%00.0%Unchanged
Ninety One SA (PTY) Ltd36,541$7.03M0.32%+18,907+107.2%Added
Vancity Investment Management Ltd36,430$7.01M0.93%−42,672−53.9%Reduced
Kestra Private Wealth Services, LLC36,321$6.99M0.09%−1,951−5.1%Reduced
Wilkins Investment Counsel Inc36,255$6.97M0.99%−3,820−9.5%Reduced
Generali Asset Management SPA SGR36,226$6.97M0.15%−13,774−27.5%Reduced
Mizuho Securities USA LLC34,104$6.95M0.14%+1,757+5.4%Added
Elo Mutual Pension Insurance Co35,958$6.92M0.11%+722+2.0%Added
Jacobs & Co35,720$6.87M0.66%+472+1.3%Added
Advisory Services Network, LLC35,712$6.87M0.10%+1,283+3.7%Added
Wendell David Associates Inc35,633$6.85M0.68%+115+0.3%Added
Gateway Investment Advisers LLC35,192$6.77M0.07%+4,930+16.3%Added
Bernzott Capital Advisors35,163$6.76M3.19%−150−0.4%Reduced
Peapack Gladstone Financial Corp35,052$6.74M0.09%+3,474+11.0%Added
Sophron Capital Management L.P.34,950$6.72M2.07%+18,957+118.5%Added
Great Valley Advisor Group, Inc.34,748$6.68M0.13%+1,086+3.2%Added
Winton Group Ltd34,200$6.58M0.25%+20,544+150.4%Added
Nicholas Company, Inc.34,000$6.54M0.11%00.0%Unchanged
Novare Capital Management LLC33,992$6.54M0.50%−2,304−6.3%Reduced
HM Payson & Co33,813$6.50M0.09%+20.0%Added
Banco Bilbao Vizcaya Argentaria, S.A.33,696$6.48M0.05%+4,199+14.2%Added
Walleye Capital LLC33,649$6.47M0.05%−27,896−45.3%Reduced
Fiduciary Group LLC33,490$6.44M0.57%+120.0%Added
Naviter Wealth, LLC32,987$6.40M0.74%−205−0.6%Reduced
American Assets Capital Advisers, LLC33,206$6.39M6.74%+369+1.1%Added
Parsons Capital Management Inc33,108$6.37M0.36%−296−0.9%Reduced
Strategic Planning Group, LLC33,005$6.35M0.86%+8,028+32.1%Added
RMB Capital Management, LLC32,195$6.25M0.11%−8,295−20.5%Reduced
Atria Investments LLC31,995$6.15M0.07%−2,298−6.7%Reduced
McCollum Christoferson Group LLC31,706$6.10M1.75%+2,085+7.0%Added
Prospect Capital Advisors, LLC31,440$6.05M3.13%00.0%Unchanged
Employees Retirement System of Texas31,234$6.01M0.05%+15,554+99.2%Added
Canal Capital Management, LLC31,059$5.97M0.90%+1,193+4.0%Added
Marex Group plc30,960$5.95M0.07%+30,960New
Adell Harriman & Carpenter Inc30,633$5.89M0.36%−2,185−6.7%Reduced
Steward Partners Investment Advisory, LLC30,488$5.86M0.03%−180−0.6%Reduced
Coldstream Capital Management Inc30,312$5.83M0.08%+571+1.9%Added
Cincinnati Specialty Underwriters Insurance CO30,000$5.77M1.35%00.0%Unchanged
Slow Capital, Inc.29,722$5.73M0.67%+672+2.3%Added
Bridgewater Associates, LP29,670$5.71M0.02%+26,203+755.8%Added
Level Four Advisory Services, LLC29,619$5.70M0.20%+47+0.2%Added
Evergreen Capital Management LLC29,184$5.66M0.13%−230−0.8%Reduced
Kentucky Retirement Systems29,368$5.65M0.16%−554−1.9%Reduced
Edgewood Management LLC29,358$5.65M0.02%00.0%Unchanged
DuPont Capital Management Corp29,335$5.64M0.58%00.0%Unchanged
Kestra Advisory Services, LLC28,950$5.57M0.03%+655+2.3%Added
Ilmarinen Mutual Pension Insurance Co28,949$5.57M0.04%00.0%Unchanged
DoubleLine ETF Adviser LP28,608$5.50M1.66%+1,612+6.0%Added
Burney Co28,467$5.47M0.17%+440+1.6%Added
Bragg Financial Advisors, Inc28,353$5.45M0.18%+267+1.0%Added
Roberts Wealth Advisors, LLC28,271$5.44M1.45%+617+2.2%Added
NFJ Investment Group, LLC28,254$5.43M0.19%−56,989−66.9%Reduced
QRG Capital Management, Inc.27,455$5.28M0.06%−3,029−9.9%Reduced
Hartford Investment Management Co27,435$5.28M0.16%−805−2.9%Reduced
S.E.E.D. Planning Group LLC27,154$5.22M1.52%+824+3.1%Added
Rakuten Investment Management, Inc.66,226$5.16M0.02%+66,226New
Metis Global Partners, LLC26,671$5.13M0.12%−655−2.4%Reduced