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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, Q1 2021

Institutional positions in American Tower Corp as of Mar 31, 2021. 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
1,613
No complete 13F data for Q4 2020
Shares held
400.8M
No complete 13F data for Q4 2020
Total value
$95.8B
No complete 13F data for Q4 2020

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 holdersQ1 2021: 1,613 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 heldQ1 2021: $95.8B
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, Q1 2021

Shares, value and share of portfolio for each institution holding American Tower Corp.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding AMT in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Pendal Group Limited478,877$114.5M1.12%––
Public Employees Retirement Association of Colorado479,285$114.6M0.54%––
Adage Capital Partners GP, L.L.C.489,844$117.1M0.24%––
State of Wisconsin Investment Board504,116$120.5M0.26%––
SEI Investments Co508,112$121.1M0.31%––
AQR Capital Management LLC514,174$121.6M0.20%––
Envestnet Asset Management Inc517,938$123.8M0.08%––
Allianz Asset Management GmbH519,536$124.2M0.13%––
Mondrian Investment Partners LTD503,012$128.2M2.74%––
Holocene Advisors, LP546,764$130.7M0.84%––
Centersquare Investment Management LLC560,542$134.0M1.56%––
Russell Investments Group, Ltd.562,539$134.4M0.24%––
New York State Teachers Retirement System564,762$135.0M0.29%––
Swedbank AB567,479$135.7M0.28%––
Bahl & Gaynor Inc569,849$136.2M0.86%––
State Board of Administration of Florida Retirement System571,157$136.5M0.27%––
First Manhattan Co578,450$138.3M0.60%––
NFJ Investment Group, LLC582,041$139.1M2.79%––
TD Asset Management Inc585,640$140.0M0.16%––
Jennison Associates LLC592,429$141.6M0.10%––
National Pension Service607,234$145.2M0.30%––
Broad Run Investment Management, LLC610,372$145.9M9.71%––
Avenir Corp611,378$146.2M12.64%––
Retirement Systems of Alabama629,025$150.4M0.57%––
Mar Vista Investment Partners LLC644,807$154.1M3.57%––
HSBC Holdings PLC652,623$156.0M0.21%––
Sarasin & Partners LLP655,754$156.8M1.85%––
BNP PARIBAS ASSET MANAGEMENT Holding S.A.662,800$158.4M0.65%––
Great West Life Assurance Co698,943$166.1M0.40%––
DF Dent & Co Inc706,742$169.0M1.96%––
Blair William & Co707,634$169.2M0.64%––
Pacer Advisors, Inc.718,391$171.7M2.98%––
Bank of Montreal777,612$187.5M0.13%––
AustralianSuper Pty Ltd790,111$188.9M1.48%––
Citadel Advisors LLC818,574$195.7M0.21%––
California State Teachers Retirement System826,476$197.6M0.26%––
New York State Common Retirement Fund865,661$206.9M0.23%––
Ensign Peak Advisors, Inc872,138$208.5M0.45%––
AMP Capital Investors Ltd904,260$216.0M1.08%––
Resolution Capital Ltd904,621$216.3M3.64%––
Rhumbline Advisers915,573$218.9M0.30%––
JPMorgan Chase & Co921,603$220.3M0.03%––
Amundi Asset Management US, Inc.928,699$222.0M0.17%––
Davenport & Co LLC933,148$223.1M2.09%––
Raymond James & Associates940,716$224.9M0.23%––
Citigroup Inc978,149$233.8M0.22%––
TCW Group Inc1,017,049$243.1M2.33%––
Atlanta Capital Management Co L L C1,035,653$247.6M0.87%––
Cbre Clarion Securities LLC1,051,123$251.3M5.01%––
APG Asset Management N.V.1,262,106$256.7M0.44%––
Royal Bank of Canada1,089,908$260.6M0.08%––
Credit Suisse AG1,095,893$262.0M0.19%––
Barclays PLC1,116,838$267.0M0.26%––
US Bancorp1,153,404$275.7M0.56%––
Franklin Resources Inc1,203,400$287.7M0.12%––
Alkeon Capital Management LLC1,212,201$289.8M1.10%––
CIBC Private Wealth Group, LLC1,408,678$336.8M0.85%––
Canada Pension Plan Investment Board1,437,739$343.7M0.45%––
Sumitomo Mitsui Trust Holdings, Inc.1,460,586$349.2M0.22%––
Bessemer Group Inc1,466,249$350.5M0.84%––
Magellan Asset Management Ltd1,500,074$358.6M0.75%––
Loring Wolcott & Coolidge Fiduciary Advisors LLP1,518,940$363.1M4.02%––
Parametric Portfolio Associates LLC1,559,308$372.8M0.21%––
American Century Companies Inc1,709,175$408.6M0.30%––
Neuberger Berman Group LLC1,722,374$411.5M0.39%––
Standard Life Aberdeen plc1,757,468$420.4M0.96%––
Swiss National Bank1,774,275$424.2M0.28%––
D. E. Shaw & Co., Inc.1,790,906$428.1M0.53%––
1832 Asset Management L.P.1,847,852$440.1M0.95%––
C WorldWide Group Holding A/S1,879,339$449.3M4.40%––
Fisher Asset Management, LLC1,882,598$450.1M0.32%––
Cantillon Capital Management LLC1,989,472$475.6M3.46%––
Putnam Investments LLC2,014,016$481.5M0.80%––
Brown Advisory Inc2,033,739$486.2M0.83%––
UBS Asset Management Americas Inc2,052,150$490.6M0.22%––
Mitsubishi UFJ Trust & Banking Corp2,570,195$582.3M1.29%––
Capital International Investors2,483,251$593.4M0.15%––
Clearbridge Investments, LLC2,700,964$645.7M0.48%––
California Public Employees Retirement System2,719,850$650.2M0.49%––
UBS Group AG2,721,682$650.6M0.29%––
Janus Henderson Group PLC2,763,048$660.6M0.30%––
Manufacturers Life Insurance Company, The3,026,106$723.4M0.63%––
Parnassus Investments3,126,958$747.5M1.81%––
Alliancebernstein L.P.3,160,319$755.5M0.33%––
Ameriprise Financial Inc3,367,589$805.0M0.27%––
Morgan Stanley3,372,573$806.2M0.12%––
Capital Research Global Investors3,372,785$806.3M0.20%––
Invesco Ltd.3,445,163$823.6M0.22%––
Deutsche Bank AG3,764,911$900.0M0.48%––
Charles Schwab Investment Management Inc4,016,388$960.2M0.35%––
Legal & General Group Plc4,018,387$960.6M0.36%––
Bank of New York Mellon Corp4,051,425$968.5M0.20%––
Nuveen Asset Management, LLC4,202,556$1.00B0.32%––
Norges Bank4,279,412$1.02B0.23%––
Massachusetts Financial Services Co4,296,037$1.03B0.32%––
Goldman Sachs Group Inc4,569,760$1.09B0.32%––
Wells Fargo & Company4,784,733$1.14B0.26%––
Principal Financial Group Inc4,877,499$1.17B0.82%––
Price T Rowe Associates Inc5,545,109$1.33B0.13%––
Capital World Investors5,661,194$1.35B0.25%––