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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; 1,756 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, Q2 2025

Institutional positions in American Tower Corp as of Jun 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
1,852
+31 vs. Q1 2025
Shares held
437.0M
+1.13M (+0.3%) vs. Q1 2025
Total value
$96.5B
+$1.72B (+1.8%) vs. Q1 2025
New holders
141
737 more added
Sold out
110
717 more reduced

24 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,852 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: 1,756 institutions
Value heldQ2 2025: $96.5B
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 20261,756$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, Q2 2025

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q1 2025.

Institutions holding AMT in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Northeast Investment Management170,030$37.6M1.61%−1,747−1.0%Reduced
KLP Kapitalforvaltning AS168,913$37.6M0.16%+10,300+6.5%Added
Ninety One UK Ltd168,708$37.3M0.09%+55,960+49.6%Added
Brown Advisory Inc168,400$37.2M0.05%−3,018−1.8%Reduced
Westwood Holdings Group Inc.163,249$36.1M0.26%+145,677+829.0%Added
STRS Ohio158,148$35.0M0.13%+9,698+6.5%Added
Wiley Bros.-Aintree Capital, LLC157,982$34.9M0.27%+19,581+14.1%Added
GW&K Investment Management, LLC157,585$34.8M0.31%−15,101−8.7%Reduced
Clal Insurance Enterprises Holdings Ltd155,142$34.6M0.34%−66,577−30.0%Reduced
BI Asset Management Fondsmaeglerselskab A/S172,587$34.5M0.34%−5,540−3.1%Reduced
B&I Capital AG155,240$34.3M11.67%+3,580+2.4%Added
Schonfeld Strategic Advisors LLC154,325$34.1M0.26%+53,945+53.7%Added
Raiffeisen Bank International AG154,803$34.1M0.51%+114,612+285.2%Added
Fifth Third Bancorp151,095$33.4M0.12%+20,001+15.3%Added
Saudi Central Bank147,673$32.9M1.34%+147,489+80,157.1%Added
Van Eck Associates Corp147,641$32.6M0.04%+11,435+8.4%Added
Quintet Private Bank (Europe) S.A.147,449$32.6M1.89%+3,471+2.4%Added
Madison Asset Management, LLC147,007$32.5M0.35%−11,999−7.5%Reduced
Aureus Asset Management, LLC146,816$32.4M2.08%−5,542−3.6%Reduced
Calamos Advisors LLC146,157$32.3M0.14%+103+0.1%Added
Point72 Europe (London) LLP145,803$32.2M1.66%−11,467−7.3%Reduced
Aptus Capital Advisors, LLC144,991$32.1M0.32%+75,760+109.4%Added
Pinebridge Investments, L.P.144,897$32.0M0.26%−21,653−13.0%Reduced
Commonwealth Equity Services, LLC140,625$31.1M0.04%−2,426−1.7%Reduced
MetLife Investment Management140,570$31.1M0.18%−1,119−0.8%Reduced
Forsta Ap-Fonden139,000$30.7M0.20%−5,100−3.5%Reduced
Ancora Advisors, LLC138,873$30.7M0.64%+3,363+2.5%Added
Arizona State Retirement System136,850$30.2M0.17%−287−0.2%Reduced
Klingenstein Fields & Co LP136,497$30.2M1.19%−2,575−1.9%Reduced
State of Michigan Retirement System135,484$29.9M0.16%+8,700+6.9%Added
First Financial Bankshares Inc134,982$29.8M0.67%+2,854+2.2%Added
Victory Capital Management Inc134,103$29.6M0.02%−52,058−28.0%Reduced
J. Stern & Co. LLP137,189$29.5M2.52%+1,792+1.3%Added
ProShare Advisors LLC133,269$29.5M0.06%+12,596+10.4%Added
Agf Management Ltd132,901$29.4M0.13%−2,454−1.8%Reduced
Truist Financial Corp132,006$29.2M0.04%−6,925−5.0%Reduced
Lido Advisors, LLC130,966$29.1M0.15%+1,746+1.4%Added
FourThought Financial Partners, LLC127,667$28.2M2.79%+4,488+3.6%Added
Cerity Partners LLC127,236$28.1M0.05%+46,005+56.6%Added
Boston Family Office LLC125,846$27.8M1.85%−738−0.6%Reduced
J. Safra Sarasin Holding AG125,359$27.7M0.48%−4,484−3.5%Reduced
Baird Financial Group, Inc.124,872$27.6M0.05%+4,002+3.3%Added
Carnegie Capital Asset Management, LLC124,831$27.6M0.55%+430.0%Added
Oppenheimer Asset Management Inc.123,855$27.4M0.31%−7,630−5.8%Reduced
United Capital Financial Advisers, LLC123,210$27.2M0.22%−2,021−1.6%Reduced
Xponance, Inc.122,833$27.1M0.23%+6,787+5.8%Added
Mediolanum International Funds Ltd124,501$27.1M0.32%+91,851+281.3%Added
Mill Capital Management, LLC122,065$27.0M2.11%+556+0.5%Added
Broad Run Investment Management, LLC120,300$26.6M4.07%−7,612−6.0%Reduced
Advisors Asset Management, Inc.120,258$26.6M0.48%−523−0.4%Reduced
Benchstone Capital Management LP119,971$26.5M2.34%−106,632−47.1%Reduced
Mar Vista Investment Partners LLC119,827$26.5M2.03%+50.0%Added
O'Shaughnessy Asset Management, LLC118,137$26.1M0.18%+22,080+23.0%Added
Greenleaf Trust117,287$25.9M0.23%−58,537−33.3%Reduced
IFM Investors Pty Ltd115,679$25.6M0.24%+4,932+4.5%Added
Czech National Bank114,429$25.3M0.20%+7,095+6.6%Added
Foresight Group Ltd Liability Partnership115,854$25.3M3.64%−26,528−18.6%Reduced
DnB Asset Management AS113,356$25.1M0.10%−8,488−7.0%Reduced
MAI Capital Management113,072$25.0M0.17%−206−0.2%Reduced
Midwest Trust Co112,508$24.9M0.34%+112,508New
Impax Asset Management Group plc112,455$24.9M0.14%−18,524−14.1%Reduced
Ofi Invest Asset Management129,967$24.5M0.61%+9,143+7.6%Added
First Trust Advisors LP109,124$24.1M0.02%+35,037+47.3%Added
Heritage Investors Management Corp108,106$23.9M0.76%+981+0.9%Added
Thrivent Financial for Lutherans107,591$23.8M0.05%−586−0.5%Reduced
Teacher Retirement System of Texas107,241$23.7M0.10%−42,905−28.6%Reduced
Cetera Investment Advisers105,402$23.3M0.04%−6,059−5.4%Reduced
Destination Wealth Management104,834$23.2M0.68%+2,358+2.3%Added
Gabelli Funds LLC104,290$23.1M0.16%−700−0.7%Reduced
Rockefeller Capital Management L.P.101,502$22.9M0.05%+1,395+1.4%Added
Amalgamated Bank102,454$22.6M0.17%+3,518+3.6%Added
Knights of Columbus Asset Advisors LLC101,810$22.5M1.36%+20,698+25.5%Added
Stock Yards Bank & Trust Co100,777$22.3M0.74%−3,478−3.3%Reduced
Pacific Heights Asset Management LLC100,000$22.1M1.18%00.0%Unchanged
Groupama Asset Managment100,565$21.9M0.36%+4,590+4.8%Added
Andra AP-fonden98,589$21.8M0.30%−10,400−9.5%Reduced
Nissay Asset Management Corp97,777$21.6M0.13%+2,326+2.4%Added
Two Sigma Investments, LP96,603$21.4M0.04%+77,103+395.4%Added
Public Sector Pension Investment Board96,291$21.3M0.09%−74,667−43.7%Reduced
Prudential PLC96,042$21.2M0.13%−4,308−4.3%Reduced
Daiwa Securities Group Inc.95,784$21.2M0.08%−535,044−84.8%Reduced
Nan Shan Life Insurance Co., Ltd.95,766$21.2M0.47%−88,465−48.0%Reduced
Skandinaviska Enskilda Banken AB (publ)93,811$20.7M0.09%−1,229−1.3%Reduced
Vert Asset Management LLC93,250$20.6M7.51%−6,614−6.6%Reduced
Creative Planning92,199$20.4M0.02%+8,959+10.8%Added
GW Henssler & Associates Ltd92,071$20.3M1.09%+422+0.5%Added
Rockbridge Capital Management LLC91,726$20.3M11.54%−453−0.5%Reduced
Davis Selected Advisers91,650$20.3M0.11%+2,710+3.0%Added
Glenmede Investment Management, LP91,477$20.2M0.10%+91,477New
Chilton Capital Management LLC90,593$20.2M0.74%−1,415−1.5%Reduced
Adams Diversified Equity Fund, Inc.91,200$20.2M0.72%00.0%Unchanged
Wealthfront Advisers LLC88,936$19.7M0.05%+8,957+11.2%Added
Mirae Asset Global Investments Co., Ltd.88,921$19.7M0.07%+11,868+15.4%Added
Harber Asset Management LLC88,239$19.5M6.28%−26,168−22.9%Reduced
Capital Fund Management S.A.87,676$19.4M0.21%+87,676New
Gotham Asset Management, LLC87,592$19.4M0.12%+9,607+12.3%Added
Financiere des Professionnels - Fonds d,investissement inc.87,220$19.3M1.16%−6,630−7.1%Reduced
Trillium Asset Management, LLC86,699$19.2M0.52%−8,910−9.3%Reduced
Evelyn Partners Investment Management LLP86,177$19.0M0.58%−3,341−3.7%Reduced
Kovitz Investment Group Partners, LLC86,028$19.0M0.08%−11,467−11.8%Reduced