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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
Financial Engines Advisors L.L.C.7,115$1.37M0.00%+40+0.6%Added
Shelton Capital Management7,137$1.37M0.03%−2,848−28.5%Reduced
Apollon Wealth Management, LLC7,140$1.37M0.02%−705−9.0%Reduced
Bradley Foster & Sargent Inc7,162$1.38M0.02%+64+0.9%Added
Columbia Asset Management7,291$1.40M0.26%+145+2.0%Added
Mirabaud Asset Management Ltd7,272$1.41M0.69%00.0%Unchanged
Farther Finance Advisors, LLC7,365$1.42M0.02%+1,026+16.2%Added
Crews Bank & Trust7,407$1.42M0.21%−345−4.5%Reduced
Sava Infond d.o.o.7,410$1.43M0.20%00.0%Unchanged
Umb Bank N A7,418$1.43M0.02%−411−5.2%Reduced
Barbara Oil Co.7,420$1.43M0.53%00.0%Unchanged
Signaturefd, LLC7,445$1.43M0.02%−1,681−18.4%Reduced
Brookstone Capital Management7,498$1.44M0.02%−110−1.4%Reduced
Augustine Asset Management Inc7,516$1.45M0.29%+356+5.0%Added
Dorsey & Whitney Trust CO LLC7,555$1.45M0.08%+102+1.4%Added
Salvus Wealth Management, LLC7,564$1.45M0.81%−157−2.0%Reduced
Resolution Capital Ltd7,617$1.46M0.03%−346,874−97.9%Reduced
Aigen Investment Management, LP7,651$1.47M0.23%+7,651New
NorthRock Partners, LLC7,673$1.48M0.03%+423+5.8%Added
Evelyn Partners Investment Management Services Ltd7,700$1.48M0.20%+1,656+27.4%Added
Sage Capital Management, LLC7,737$1.49M0.67%−116−1.5%Reduced
Moneta Group Investment Advisors LLC7,750$1.49M0.01%+67+0.9%Added
Twin City Private Wealth, LLC7,741$1.50M1.17%+89+1.2%Added
J.W. Cole Advisors, Inc.7,857$1.51M0.03%−5,997−43.3%Reduced
Tema ETFs LLC7,897$1.52M0.13%+7,897New
Lord & Richards Wealth Management, LLC7,904$1.52M1.39%+1,704+27.5%Added
Legacy Wealth Asset Management, LLC7,916$1.52M0.37%+645+8.9%Added
Voya Financial Advisors, Inc.7,839$1.52M0.15%−708−8.3%Reduced
Welch & Forbes LLC8,005$1.54M0.02%−182−2.2%Reduced
Twin Capital Management Inc8,032$1.54M0.19%−377−4.5%Reduced
Graham Capital Wealth Management, LLC8,054$1.55M1.58%−294−3.5%Reduced
Resources Investment Advisors, LLC.8,069$1.55M0.02%−432−5.1%Reduced
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management8,192$1.58M0.03%+241+3.0%Added
Flagship Harbor Advisors, LLC8,195$1.58M0.07%+578+7.6%Added
Meeder Advisory Services, Inc.8,222$1.58M0.07%−721−8.1%Reduced
Quadrant Capital Group LLC8,229$1.58M0.05%−1,982−19.4%Reduced
One Capital Management, LLC8,255$1.59M0.05%−30.0%Reduced
Osborne Partners Capital Management, LLC8,302$1.60M0.08%−118−1.4%Reduced
Union Bancaire Privee, UBP SA8,226$1.60M0.03%−80−1.0%Reduced
Marks Group Wealth Management, Inc8,326$1.60M0.15%+274+3.4%Added
Hixon Zuercher, LLC8,341$1.60M0.49%+205+2.5%Added
Altman Advisors, Inc.8,350$1.61M0.61%+70+0.8%Added
Royal Fund Management, LLC8,423$1.62M0.20%+2,954+54.0%Added
Stratos Wealth Partners, LTD.8,448$1.62M0.02%−3,600−29.9%Reduced
Ascent Group, LLC8,540$1.64M0.06%+4,953+138.1%Added
Azzad Asset Management Inc8,577$1.65M0.16%+3,224+60.2%Added
Quest Partners LLC8,592$1.65M0.11%+7,428+638.1%Added
Jacobi Capital Management LLC8,600$1.65M0.10%+40+0.5%Added
Kayne Anderson Rudnick Investment Management LLC8,603$1.65M0.00%−935−9.8%Reduced
Townsend Asset Management Corp8,613$1.66M0.59%−1,020−10.6%Reduced
Parr McKnight Wealth Management Group, LLC8,648$1.66M0.22%+213+2.5%Added
SWS Partners86,780$1.68M0.41%+78,688+972.4%Added
CX Institutional8,763$1.69M0.05%+6,451+279.0%Added
Fairbanks Capital Management, Inc.8,768$1.69M0.91%−51−0.6%Reduced
Fifth Third Wealth Advisors LLC8,768$1.69M0.06%−1,047−10.7%Reduced
Brighton Jones LLC8,821$1.70M0.04%+91+1.0%Added
PYA Waltman Capital, LLC8,914$1.71M0.46%−2,427−21.4%Reduced
Groupe la Francaise8,926$1.72M0.02%−3,344−27.3%Reduced
MUFG Securities EMEA plc8,963$1.72M0.04%+7,580+548.1%Added
Tiaa Trust, National Association8,993$1.73M0.00%−1,229−12.0%Reduced
Capstone Investment Advisors, LLC9,018$1.73M0.02%+9,018New
GAMMA Investing LLC9,019$1.73M0.10%−1,560−14.7%Reduced
New Hampshire Trust9,026$1.74M0.34%+71+0.8%Added
Argent Trust Co9,049$1.74M0.06%−1,063−10.5%Reduced
Transcend Wealth Collective, LLC9,060$1.74M0.12%−1,419−13.5%Reduced
Founders Financial Securities LLC9,061$1.74M0.12%+889+10.9%Added
Trust Co of Toledo NA9,066$1.74M0.17%+413+4.8%Added
Werlinich Asset Management, LLC9,085$1.75M0.87%+650+7.7%Added
Connor, Clark & Lunn Investment Management Ltd.9,160$1.76M0.01%−34,853−79.2%Reduced
Glen Eagle Advisors, LLC9,163$1.76M0.24%+1,754+23.7%Added
Generali Investments CEE, investicni spolecnost, a.s.9,200$1.77M0.13%00.0%Unchanged
Boit C F David9,210$1.77M0.80%00.0%Unchanged
Rossmore Private Capital9,214$1.77M0.19%−30−0.3%Reduced
Howard Capital Management Inc.9,262$1.78M0.02%+101+1.1%Added
Dudley Capital Management, LLC9,271$1.78M0.80%−259−2.7%Reduced
Benjamin Edwards Inc9,342$1.80M0.02%+142+1.5%Added
Citizens & Northern Corp9,352$1.80M0.45%+50+0.5%Added
Park Place Capital Corp9,463$1.82M0.38%−231−2.4%Reduced
Jag Capital Management, LLC9,625$1.85M0.20%−198−2.0%Reduced
Buckingham Strategic Partners10,138$1.85M0.02%+5,407+114.3%Added
Simplex Trading, LLC9,688$1.86M0.04%+9,688New
Sequoia Financial Advisors, LLC9,692$1.86M0.01%−171−1.7%Reduced
RBF Capital, LLC10,000$1.92M0.09%00.0%Unchanged
Missouri Trust & Investment Co10,047$1.93M0.57%+165+1.7%Added
Midwest Professional Planners, LTD.10,071$1.94M0.47%−186−1.8%Reduced
Capital Square, LLC10,079$1.94M0.99%−1,372−12.0%Reduced
Point72 Europe (London) LLP10,138$1.95M0.11%−135,665−93.0%Reduced
Integrated Advisors Network LLC10,405$2.00M0.08%+516+5.2%Added
Toroso Investments, LLC10,421$2.00M0.01%−1,689−13.9%Reduced
Principal Securities, Inc.10,422$2.00M0.03%+274+2.7%Added
Caisse des Depots Et Consignations10,433$2.01M0.09%00.0%Unchanged
Global Retirement Partners, LLC10,444$2.01M0.04%+300+3.0%Added
Beech Hill Advisors, Inc.10,551$2.03M0.95%+190+1.8%Added
Edmond de Rothschild Holding S.A.10,556$2.03M0.03%−53−0.5%Reduced
Valeo Financial Advisors, LLC10,559$2.03M0.05%−171−1.6%Reduced
Ossiam10,560$2.03M0.03%−186−1.7%Reduced
Verde Capital Management10,591$2.04M0.45%+839+8.6%Added
Earnest Partners LLC10,606$2.04M0.01%−1,333−11.2%Reduced
Sunbelt Securities, Inc.10,701$2.06M0.14%+5,698+113.9%Added
HighPoint Advisor Group LLC10,806$2.08M0.10%+231+2.2%Added