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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, 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: 1,756 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 20261,756$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, 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
Vanguard Group Inc63,640,168$12.2B0.18%+611,801+1.0%Added
BlackRock, Inc.45,403,549$8.73B0.15%−255,761−0.6%Reduced
State Street Corp20,915,929$4.06B0.14%−197,751−0.9%Reduced
JPMorgan Chase & Co15,378,588$2.96B0.19%+2,712,506+21.4%Added
Cohen & Steers, Inc.13,501,372$2.60B4.68%−402,094−2.9%Reduced
Geode Capital Management, LLC13,271,674$2.54B0.16%+166,821+1.3%Added
FMR LLC12,247,533$2.36B0.12%−1,342,127−9.9%Reduced
Morgan Stanley10,033,659$1.93B0.12%+836,577+9.1%Added
Deutsche Bank AG7,535,445$1.45B0.49%+369,106+5.2%Added
Invesco Ltd.6,888,633$1.32B0.21%+208,109+3.1%Added
Dimensional Fund Advisors LP6,357,842$1.22B0.26%−229,109−3.5%Reduced
Price T Rowe Associates Inc6,197,015$1.19B0.13%−1,429,317−18.7%Reduced
Principal Financial Group Inc5,980,516$1.15B0.58%−98,820−1.6%Reduced
Charles Schwab Investment Management Inc5,556,814$1.07B0.17%−6,751−0.1%Reduced
Northern Trust Corp5,417,142$1.04B0.13%−66,258−1.2%Reduced
Franklin Resources Inc5,375,430$1.03B0.26%−33,362−0.6%Reduced
Goldman Sachs Group Inc5,337,885$1.03B0.15%+528,853+11.0%Added
Capital Research Global Investors4,924,771$947.1M0.18%+15,145+0.3%Added
Legal & General Group Plc4,653,248$894.9M0.20%+159,223+3.5%Added
Lazard Asset Management LLC4,464,382$858.6M1.16%+4,250,242+1,984.8%Added
UBS Asset Management Americas Inc4,430,681$852.1M0.19%−1,138,280−20.4%Reduced
Capital World Investors4,208,709$809.4M0.11%+168,464+4.2%Added
Ameriprise Financial Inc4,168,214$801.5M0.18%−209,616−4.8%Reduced
Nuveen, LLC4,078,755$784.4M0.21%−241,817−5.6%Reduced
Bank of America Corp3,989,239$767.2M0.06%−66,190−1.6%Reduced
Clearbridge Investments, LLC3,677,219$707.2M0.53%+69,810+1.9%Added
UBS Group AG3,676,113$707.0M0.14%+525,650+16.7%Added
Wells Fargo & Company3,162,458$608.2M0.12%+28,591+0.9%Added
Massachusetts Financial Services Co3,018,979$580.6M0.18%−586,080−16.3%Reduced
Arrowstreet Capital, Limited Partnership2,796,007$537.7M0.34%+724,504+35.0%Added
Bank of New York Mellon Corp2,758,610$530.5M0.10%−31,358−1.1%Reduced
Wellington Management Group LLP2,597,658$499.6M0.09%−4,968,413−65.7%Reduced
Amundi2,117,850$394.3M0.13%−842,616−28.5%Reduced
American Century Companies Inc1,892,296$363.9M0.19%+265,324+16.3%Added
Fisher Asset Management, LLC1,835,008$352.9M0.13%+14,738+0.8%Added
Cantillon Capital Management LLC1,815,816$349.2M1.92%−20,035−1.1%Reduced
Neuberger Berman Group LLC1,706,273$328.2M0.24%−47,892−2.7%Reduced
Barrow Hanley Mewhinney & Strauss LLC1,590,435$305.9M0.97%+1,590,435New
Barclays PLC1,584,224$304.7M0.11%+744,034+88.6%Added
Nordea Investment Management AB1,578,676$303.8M0.27%+45,858+3.0%Added
HSBC Holdings PLC1,551,844$298.3M0.18%+90,563+6.2%Added
Capital International Investors1,506,470$289.7M0.05%+7,940+0.5%Added
CIBC Private Wealth Group, LLC1,419,295$273.0M0.47%−28,255−2.0%Reduced
Royal Bank of Canada1,388,421$267.0M0.05%−36,654−2.6%Reduced
Loring Wolcott & Coolidge Fiduciary Advisors LLP1,377,912$262.2M2.30%−14,538−1.0%Reduced
Swiss National Bank1,349,500$259.5M0.15%−67,600−4.8%Reduced
California Public Employees Retirement System1,348,697$259.4M0.16%−78,266−5.5%Reduced
Sumitomo Mitsui Trust Holdings, Inc.1,242,614$239.0M0.14%+7,195+0.6%Added
National Pension Service1,240,270$238.5M0.19%+30,368+2.5%Added
Manufacturers Life Insurance Company, The1,206,350$232.0M0.19%+487,853+67.9%Added
BNP Paribas Arbitrage, SA1,187,701$228.4M0.18%+742,442+166.7%Added
Bessemer Group Inc1,171,184$225.2M0.34%+187,941+19.1%Added
Raymond James Financial Inc1,129,872$217.3M0.07%+19,348+1.7%Added
Vontobel Holding Ltd.1,070,606$205.9M0.65%−2,462−0.2%Reduced
Rhumbline Advisers1,031,882$198.5M0.16%−46,907−4.3%Reduced
Great West Life Assurance Co1,017,829$197.9M0.28%+36,962+3.8%Added
Heard Capital LLC1,016,365$195.5M9.48%+191,155+23.2%Added
M&G Plc1,009,526$193.8M1.03%+125,241+14.2%Added
Magellan Asset Management Ltd1,005,151$193.3M2.29%+167,870+20.0%Added
US Bancorp976,111$187.7M0.22%−39,418−3.9%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.967,777$186.1M0.48%+3,324+0.3%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.939,247$180.6M0.13%+47,966+5.4%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys918,949$176.7M0.89%+141,399+18.2%Added
Duff & Phelps Investment Management Co910,251$175.1M1.98%+32,385+3.7%Added
Russell Investments Group, Ltd.900,077$173.5M0.20%+82,859+10.1%Added
Davenport & Co LLC871,655$168.3M0.91%−4190.0%Reduced
Sarasin & Partners LLP863,830$168.1M1.65%+87,294+11.2%Added
Two Sigma Investments, LP804,761$154.8M0.24%+708,158+733.1%Added
SEI Investments Co801,335$154.1M0.17%−114,831−12.5%Reduced
Storebrand Asset Management AS796,436$153.2M0.41%+99,859+14.3%Added
Blair William & Co782,048$150.4M0.40%+8,874+1.1%Added
Citigroup Inc753,707$145.0M0.10%+212,916+39.4%Added
Standard Life Aberdeen plc726,651$139.4M0.22%+27,463+3.9%Added
California State Teachers Retirement System722,959$139.0M0.14%−1,869−0.3%Reduced
Ensign Peak Advisors, Inc712,771$137.1M0.22%−64,235−8.3%Reduced
Cbre Clarion Securities LLC663,835$127.7M1.82%−135,014−16.9%Reduced
Canada Pension Plan Investment Board633,489$121.8M0.09%+161,367+34.2%Added
Envestnet Asset Management Inc632,488$121.6M0.04%−147,762−18.9%Reduced
CI Private Wealth, LLC636,749$120.0M0.19%−8,590−1.3%Reduced
Point72 Asset Management, L.P.620,120$119.3M0.26%−477,260−43.5%Reduced
Macquarie Group Ltd618,194$118.9M0.14%+27,176+4.6%Added
Swedbank AB611,803$117.7M0.12%+16,904+2.8%Added
Allianz Asset Management GmbH607,975$116.9M0.14%+311,199+104.9%Added
Man Group plc603,043$116.0M0.22%+234,982+63.8%Added
Federated Hermes, Inc.585,241$112.6M0.20%−40,704−6.5%Reduced
Liontrust Investment Partners LLP584,539$112.4M1.64%−30,783−5.0%Reduced
Bank of Montreal575,222$110.6M0.05%+10,820+1.9%Added
LPL Financial LLC562,507$108.2M0.03%+123,161+28.0%Added
Korea Investment CORP558,099$107.3M0.22%+190,171+51.7%Added
Citadel Advisors LLC555,572$106.8M0.09%+555,572New
Panagora Asset Management Inc550,305$105.8M0.43%+200,005+57.1%Added
Alliancebernstein L.P.542,119$104.3M0.03%−972,792−64.2%Reduced
Mackenzie Financial Corp538,386$103.5M0.13%−95,225−15.0%Reduced
DekaBank Deutsche Girozentrale535,381$103.5M0.17%00.0%Unchanged
Bamco Inc534,053$102.7M0.27%−33,714−5.9%Reduced
New York State Common Retirement Fund533,071$102.5M0.13%−36,900−6.5%Reduced
UniSuper Management Pty Ltd483,349$93.0M0.57%+81,698+20.3%Added
Lasalle Investment Management Securities LLC483,316$93.0M3.65%+6,804+1.4%Added
Aviva PLC478,997$92.1M0.17%+29,382+6.5%Added
Pictet Asset Management Holding SA476,243$91.6M0.09%+53,022+12.5%Added