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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
Skandinaviska Enskilda Banken AB (publ)89,469$17.2M0.07%−4,342−4.6%Reduced
Kovitz Investment Group Partners, LLC88,975$17.1M0.07%+2,947+3.4%Added
Wealthfront Advisers LLC88,659$17.1M0.04%−277−0.3%Reduced
Financiere des Professionnels - Fonds d,investissement inc.88,090$16.9M0.98%+870+1.0%Added
Varma Mutual Pension Insurance Co87,806$16.9M0.11%+7,000+8.7%Added
Easterly Investment Partners LLC86,660$16.7M1.13%+2,260+2.7%Added
Scotia Capital Inc.86,286$16.6M0.07%+1,153+1.4%Added
Ci Investments Inc.86,246$16.6M0.06%+2,016+2.4%Added
Quantinno Capital Management LP85,309$16.4M0.04%+3,407+4.2%Added
Capital Fund Management S.A.84,705$16.3M0.16%−2,971−3.4%Reduced
Motley Fool Asset Management LLC84,374$16.2M0.67%+5,797+7.4%Added
Andra AP-fonden84,089$16.2M0.21%−14,500−14.7%Reduced
River Road Asset Management, LLC83,424$16.0M0.18%−1,152−1.4%Reduced
Jump Financial, LLC83,163$16.0M0.20%+80,201+2,707.7%Added
Barton Investment Management81,078$15.6M1.59%−1,555−1.9%Reduced
Jennison Associates LLC80,442$15.5M0.01%−3,359−4.0%Reduced
USS Investment Management Ltd80,123$15.4M0.07%00.0%Unchanged
Guggenheim Capital LLC80,056$15.4M0.11%+13,947+21.1%Added
Knights of Columbus Asset Advisors LLC78,927$15.2M0.87%−22,883−22.5%Reduced
CIBC Asset Management Inc78,684$15.1M0.04%+1,857+2.4%Added
Evelyn Partners Investment Management LLP78,580$15.1M0.43%−7,597−8.8%Reduced
Utah Retirement Systems77,299$14.9M0.14%+301+0.4%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund77,184$14.8M0.13%+1,700+2.3%Added
Resona Asset Management Co.,Ltd.76,075$14.7M0.07%−2,933−3.7%Reduced
LGT Group Foundation75,950$14.7M0.17%+16,518+27.8%Added
Vestcor Inc75,624$14.5M0.43%−2,664−3.4%Reduced
Police & Firemen's Retirement System of New Jersey75,548$14.5M0.12%+4,473+6.3%Added
Bank of Nova Scotia75,222$14.5M0.03%+17,134+29.5%Added
Renaissance Technologies LLC74,939$14.4M0.02%+74,939New
Stephens Inc72,977$14.1M0.18%+1,239+1.7%Added
Point72 (DIFC) Ltd71,949$13.8M0.96%+70,518+4,927.9%Added
Wallington Asset Management, LLC71,601$13.8M1.79%−312−0.4%Reduced
First Horizon Corp71,555$13.8M0.65%+71,555New
Advisor Group Holdings, Inc.69,146$13.7M0.02%−4,445−6.0%Reduced
Yousif Capital Management, LLC70,781$13.6M0.15%−3,482−4.7%Reduced
La Banque Postale Asset Management SA70,685$13.6M0.17%+294+0.4%Added
Schonfeld Strategic Advisors LLC70,212$13.5M0.09%−84,113−54.5%Reduced
Worldquant Millennium Advisors LLC69,068$13.3M0.06%+58,714+567.1%Added
New York Life Investment Management LLC68,291$13.1M0.12%−1,799−2.6%Reduced
Anchor Capital Advisors LLC67,667$13.0M0.38%−610−0.9%Reduced
Cullen/Frost Bankers, Inc.67,531$13.0M0.15%+2,792+4.3%Added
Vantage Investment Partners, LLC67,498$13.0M0.89%00.0%Unchanged
Heitman Real Estate Securities LLC67,339$13.0M0.88%+15,618+30.2%Added
Investment Management Corp of Ontario67,010$12.9M0.20%+34,901+108.7%Added
Vinva Investment Management Ltd66,223$12.9M0.26%+12,763+23.9%Added
Janney Capital Management LLC66,105$12.7M0.79%+17,398+35.7%Added
Pinnacle Financial Partners Inc65,961$12.7M0.30%−698−1.0%Reduced
Davis Selected Advisers65,670$12.6M0.07%−25,980−28.3%Reduced
Badgley Phelps Wealth Managers, LLC64,877$12.6M0.26%−392−0.6%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd65,294$12.6M0.10%+2,131+3.4%Added
Baillie Gifford & Co65,268$12.6M0.01%−2,550−3.8%Reduced
TCW Group Inc65,155$12.5M0.10%−603−0.9%Reduced
Washington Trust Co64,836$12.5M0.41%−154−0.2%Reduced
Erste Asset Management GmbH63,930$12.4M0.12%−21,656−25.3%Reduced
Capital Analysts, LLC64,152$12.3M0.36%+5,359+9.1%Added
Aew Capital Management L P63,110$12.1M0.68%+63,110New
GWM Advisors LLC62,976$12.1M0.06%−14,284−18.5%Reduced
Entropy Technologies, LP62,541$12.0M0.90%+62,541New
Edge Wealth Management LLC62,286$12.0M2.12%−553−0.9%Reduced
Commerzbank Aktiengesellschaft61,397$11.8M0.25%+29,486+92.4%Added
Cohen Klingenstein LLC60,914$11.7M0.37%00.0%Unchanged
TD Waterhouse Canada Inc.60,546$11.7M0.08%+9,608+18.9%Added
Integrated Wealth Concepts LLC60,637$11.7M0.10%+6,862+12.8%Added
Cobblestone Capital Advisors LLC60,589$11.7M0.56%−242−0.4%Reduced
ING Groep NV60,534$11.6M0.06%+59,436+5,413.1%Added
Public Employees Retirement Association of Colorado60,242$11.6M0.04%−1,648−2.7%Reduced
Cincinnati Insurance Co60,000$11.5M0.18%00.0%Unchanged
Univest Financial Corp59,955$11.5M0.65%−1,016−1.7%Reduced
Allianz SE59,889$11.5M0.24%+310+0.5%Added
Wedge Capital Management L L P59,832$11.5M0.19%+6,828+12.9%Added
Bath Savings Trust Co59,760$11.5M1.14%−1,904−3.1%Reduced
Fiduciary Trust Co59,674$11.5M0.13%−1,657−2.7%Reduced
Keybank National Association59,575$11.5M0.04%−9,905−14.3%Reduced
Stack Financial Management, Inc59,110$11.4M0.94%+200+0.3%Added
Williams Jones Wealth Management, LLC.58,476$11.2M0.13%−132−0.2%Reduced
Rafferty Asset Management, LLC58,319$11.2M0.04%−1,015−1.7%Reduced
Sterling Capital Management LLC57,749$11.1M0.16%−3,242−5.3%Reduced
Adelante Capital Management LLC57,567$11.1M0.76%−5,431−8.6%Reduced
Gilder Gagnon Howe & Co LLC57,435$11.0M0.11%−277−0.5%Reduced
Bogart Wealth, LLC57,423$11.0M0.45%−140−0.2%Reduced
Kempen Capital Management N.V.57,228$11.0M0.10%+1,482+2.7%Added
Socorro Asset Management LP56,765$10.9M3.93%+9,389+19.8%Added
John G Ullman & Associates Inc56,718$10.9M1.47%+3,736+7.1%Added
B. Metzler seel. Sohn & Co. AG56,425$10.9M0.10%+4,467+8.6%Added
Y-Intercept (Hong Kong) Ltd55,299$10.6M0.26%+55,299New
JustInvest LLC55,210$10.6M0.11%−8,714−13.6%Reduced
Washington Trust Advisors, Inc.54,753$10.5M0.80%+35+0.1%Added
CBOE Vest Financial, LLC54,696$10.5M0.14%+10,523+23.8%Added
Aware Super Pty Ltd as trustee of Aware Super54,685$10.5M0.14%00.0%Unchanged
Middleton & Co Inc54,318$10.4M1.13%−1,654−3.0%Reduced
Linscomb & Williams, Inc.54,250$10.4M0.45%+554+1.0%Added
Bridges Investment Management Inc54,029$10.4M0.13%−3,667−6.4%Reduced
Oregon Public Employees Retirement Fund53,565$10.3M0.13%+13,174+32.6%Added
Sanctuary Advisors, LLC53,420$10.3M0.06%+2,499+4.9%Added
Miller Howard Investments Inc53,348$10.3M0.31%−539−1.0%Reduced
Envestnet Portfolio Solutions, Inc.53,267$10.2M0.04%−1,075−2.0%Reduced
FIL Ltd52,724$10.1M0.01%+26,885+104.0%Added
Quantbot Technologies LP52,029$10.0M0.27%+52,029New
Cabot Wealth Management Inc52,002$10.0M1.11%+1,849+3.7%Added
Penserra Capital Management LLC51,817$9.96M0.12%+10,886+26.6%Added