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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
First Foundation Advisors2,659$511.4K0.02%+720+37.1%Added
Bard Financial Services, Inc.2,650$509.6K0.06%−50−1.9%Reduced
GM Advisory Group, Inc.2,646$508.9K0.02%+120+4.8%Added
Blossom Wealth Management2,645$508.7K0.82%+44+1.7%Added
Founders Financial Alliance, LLC2,637$507.1K0.10%+8+0.3%Added
Second Half Financial Partners, LLC2,622$504.3K0.22%+196+8.1%Added
Boltwood Capital Management2,620$503.9K0.13%−10.0%Reduced
Chicago Trust Co NA2,607$501.4K0.07%−350−11.8%Reduced
GPS Wealth Strategies Group, LLC2,607$501.4K0.05%+41+1.6%Added
Diversify Wealth Management, LLC2,836$501.0K0.03%−262−8.5%Reduced
Mitchell & Pahl Private Wealth, LLC2,604$500.8K0.21%−37−1.4%Reduced
Everhart Financial Group, Inc.2,602$500.4K0.05%+241+10.2%Added
DMG Group, LLC2,586$497.3K0.34%+127+5.2%Added
Cypress Wealth Services, LLC2,569$494.1K0.08%−115−4.3%Reduced
Wallace Advisory Group, LLC2,226$492.0K0.40%−588−20.9%Reduced
Pandora Wealth, Inc.2,547$489.8K0.30%−216−7.8%Reduced
Hutchens & Kramer Investment Management Group, LLC2,546$489.6K0.19%−1,897−42.7%Reduced
Bridgewater Advisors Inc.2,806$484.4K0.03%−437−13.5%Reduced
Modus Advisors, LLC2,518$484.2K0.13%−17−0.7%Reduced
Goelzer Investment Management, Inc.2,506$482.0K0.03%−137−5.2%Reduced
Mill Creek Capital Advisors, LLC2,505$481.8K0.01%−4,660−65.0%Reduced
Rbo & Co LLC2,500$480.8K0.08%00.0%Unchanged
Legacy Advisors, LLC2,500$480.8K0.06%+2,500New
Diversify Advisory Services, LLC2,716$479.7K0.02%−895−24.8%Reduced
Fiduciary Family Office, LLC2,493$479.4K0.14%−245−8.9%Reduced
TFR Capital, LLC.2,462$473.5K0.16%−19−0.8%Reduced
Kathleen S. Wright Associates Inc.2,510$473.1K0.18%−350−12.2%Reduced
BancorpSouth Bank2,459$472.9K0.03%−897−26.7%Reduced
NBT Bank N A2,438$468.9K0.03%+165+7.3%Added
Diversified Enterprises, LLC2,433$467.9K0.03%+380+18.5%Added
Spire Wealth Management2,432$467.7K0.02%−266−9.9%Reduced
Sustainable Insight Capital Management, LLC2,423$466.0K0.15%+2,423New
Brown Miller Wealth Management, LLC2,420$465.4K0.13%−1,701−41.3%Reduced
Wellington Shields Capital Management, LLC2,417$464.8K0.07%00.0%Unchanged
Wright Investors Service Inc2,413$464.1K0.13%−2,909−54.7%Reduced
Spinnaker Trust2,409$463.3K0.03%00.0%Unchanged
Avantax Planning Partners, Inc.2,406$462.7K0.01%−25−1.0%Reduced
Naples Global Advisors, LLC2,384$462.5K0.04%−137−5.4%Reduced
Canton Hathaway, LLC2,400$462.0K0.09%00.0%Unchanged
Parkside Financial Bank & Trust2,397$461.0K0.04%+35+1.5%Added
Moors & Cabot, Inc.2,396$460.8K0.02%−53−2.2%Reduced
LM Advisors LLC2,370$460.0K0.07%+600+33.9%Added
Southeast Asset Advisors Inc.2,391$459.8K0.05%00.0%Unchanged
Radnor Capital Management, LLC2,383$458.3K0.07%00.0%Unchanged
Peak Financial Advisors LLC2,374$456.7K0.22%+77+3.4%Added
Icon Wealth Advisors, LLC2,371$455.9K0.03%−405−14.6%Reduced
West Family Investments, Inc.2,369$455.6K0.10%+22+0.9%Added
Alan B. Lancz & Associates, Inc.2,356$453.1K0.41%00.0%Unchanged
Alta Advisers Ltd2,348$451.6K0.14%00.0%Unchanged
Optas, LLC2,348$451.6K0.08%−16−0.7%Reduced
Great Diamond Partners, LLC2,343$450.6K0.09%−22−0.9%Reduced
Monetary Management Group Inc2,343$450.6K0.10%00.0%Unchanged
Gladstone Institutional Advisory LLC2,338$449.6K0.02%+589+33.7%Added
Pinnacle Wealth Management Group, Inc.2,335$449.1K0.23%−50−2.1%Reduced
Leisure Capital Management2,333$448.7K0.15%+534+29.7%Added
Tranquility Partners, LLC2,332$448.5K0.15%−3,479−59.9%Reduced
Spirit of America Management Corp2,320$446.2K0.09%+150+6.9%Added
1776 Wealth LLC2,320$446.2K0.17%+209+9.9%Added
Maripau Wealth Management LLC2,317$445.7K0.22%−768−24.9%Reduced
Probity Advisors, Inc.2,316$445.4K0.07%−4−0.2%Reduced
Sunburst Financial Group, LLC2,313$444.8K0.09%+265+12.9%Added
Defined Wealth Management, LLC2,311$444.5K0.26%−11−0.5%Reduced
Bristlecone Advisors, LLC2,302$442.7K0.04%00.0%Unchanged
HHM Wealth Advisors, LLC2,300$442.3K0.05%−301−11.6%Reduced
1st Source Bank2,292$440.8K0.02%−30−1.3%Reduced
Anchor Investment Management, LLC2,289$440.2K0.04%00.0%Unchanged
SageView Advisory Group, LLC2,288$440.0K0.02%−7,528−76.7%Reduced
Chancellor Financial Group WB LP2,283$439.1K0.31%00.0%Unchanged
Csenge Advisory Group2,268$436.2K0.02%−1,663−42.3%Reduced
Mather Group, LLC.2,264$435.5K0.00%+221+10.8%Added
Kennebec Savings Bank2,256$433.9K0.40%+38+1.7%Added
Mission Wealth Management, LP2,256$433.8K0.01%−983−30.3%Reduced
Sanibel Captiva Trust Company, Inc.2,253$433.3K0.01%00.0%Unchanged
Visionary Horizons, LLC2,247$432.1K0.24%−45−2.0%Reduced
Advyzon Investment Management, LLC2,247$432.1K0.07%+49+2.2%Added
Mark Asset Management LP2,228$428.5K0.04%00.0%Unchanged
Vigilare Wealth Management2,216$426.2K0.15%−1,391−38.6%Reduced
ArrowMark Colorado Holdings LLC2,216$426.2K0.01%−882−28.5%Reduced
Acorns Advisers, LLC2,214$426.0K0.00%+468+26.8%Added
Elmwood Wealth Management, Inc.2,210$425.1K0.15%+120+5.7%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC2,204$423.8K0.01%−2−0.1%Reduced
Bullock Wealth Management Group2,188$422.9K0.21%+85+4.0%Added
L2 Asset Management, LLC2,196$422.3K0.06%+101+4.8%Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA2,195$422.1K0.10%+70+3.3%Added
Wealthspire Advisors, LLC2,186$420.3K0.00%−775−26.2%Reduced
Castle Rock Wealth Management, LLC2,189$418.9K0.09%−3−0.1%Reduced
Arcataur Capital Management LLC2,169$417.1K0.12%−95−4.2%Reduced
TBH Global Asset Management, LLC2,169$417.1K0.08%−79−3.5%Reduced
AlphaCore Capital LLC2,133$414.1K0.01%+90+4.4%Added
Whalerock Point Partners, LLC2,138$411.2K0.08%00.0%Unchanged
Maridea Wealth Management LLC2,122$409.7K0.06%+2,122New
Adirondack Trust Co2,129$409.4K0.14%−74−3.4%Reduced
Berkeley Capital Partners, LLC2,123$408.3K0.10%−136−6.0%Reduced
Capital Investment Advisory Services, LLC2,122$408.0K0.03%+160+8.2%Added
American National Bank2,120$407.7K0.04%+1,347+174.3%Added
Verdence Capital Advisors LLC2,148$407.6K0.02%−76−3.4%Reduced
Baldwin Brothers Inc2,115$406.8K0.03%00.0%Unchanged
Tyche Wealth Partners LLC2,112$406.1K0.07%+21+1.0%Added
Evoke Wealth, LLC2,089$405.3K0.01%+12+0.6%Added
Brogan Financial, Inc.2,103$404.4K0.17%−43−2.0%Reduced