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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 2025

Institutional positions in American Tower Corp as of Mar 31, 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
1,845
+73 vs. Q4 2024
Shares held
436.7M
+8.49M (+2.0%) vs. Q4 2024
Total value
$95.0B
+$16.5B (+21.0%) vs. Q4 2024
New holders
197
694 more added
Sold out
124
733 more reduced

26 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 1,845 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: 1,851 institutionsQ3 2025: 1,799 institutionsQ4 2025: 1,781 institutionsQ1 2026: 1,760 institutionsQ2 2026: 1,757 institutions
Value heldQ1 2025: $95.0B
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 20251,851$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 2025

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q4 2024.

Institutions holding AMT in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vantage Investment Partners, LLC67,498$14.7M1.23%+2,791+4.3%Added
Police & Firemen's Retirement System of New Jersey68,041$14.8M0.15%+247+0.4%Added
New York Life Investment Management LLC69,106$15.0M0.15%−330−0.5%Reduced
Aptus Capital Advisors, LLC69,231$15.1M0.17%+7,422+12.0%Added
Anchor Capital Advisors LLC69,566$15.1M0.45%−1,332−1.9%Reduced
Baillie Gifford & Co70,099$15.3M0.01%−6,116−8.0%Reduced
Pinnacle Financial Partners Inc71,837$15.5M0.31%+90.0%Added
Wallington Asset Management, LLC71,050$15.5M2.23%+1,090+1.6%Added
London & Capital Asset Management Ltd71,260$15.5M1.33%−4,302−5.7%Reduced
Stephens Inc71,770$15.6M0.23%+2,619+3.8%Added
LGT Fund Management Co Ltd.71,860$15.6M1.41%+687+1.0%Added
First Horizon Advisors, Inc.71,953$15.7M0.44%+13,248+22.6%Added
First Trust Advisors LP74,087$16.1M0.01%−52,471−41.5%Reduced
Yousif Capital Management, LLC74,382$16.2M0.19%−1,328−1.8%Reduced
Cobblestone Capital Advisors LLC75,267$16.4M0.90%+2,215+3.0%Added
Keybank National Association75,310$16.4M0.07%−12,260−14.0%Reduced
CIBC World Markets Inc.75,556$16.4M0.04%+30,959+69.4%Added
Mirae Asset Global Investments Co., Ltd.77,053$16.6M0.07%+20,138+35.4%Added
Motley Fool Asset Management LLC76,903$16.7M0.94%−1,380−1.8%Reduced
Utah Retirement Systems77,303$16.8M0.19%−141−0.2%Reduced
River Road Asset Management, LLC77,327$16.8M0.23%−1,557−2.0%Reduced
Gotham Asset Management, LLC77,985$17.0M0.14%−16,770−17.7%Reduced
Resona Asset Management Co.,Ltd.78,551$17.0M0.10%+2,385+3.1%Added
Panagora Asset Management Inc79,706$17.3M0.09%+54,586+217.3%Added
Wealthfront Advisers LLC79,979$17.4M0.05%+26,475+49.5%Added
Avantax Advisory Services, Inc.80,633$17.5M0.11%+7,382+10.1%Added
USS Investment Management Ltd80,662$17.6M0.13%00.0%Unchanged
Knights of Columbus Asset Advisors LLC81,112$17.6M1.22%+16,825+26.2%Added
Cerity Partners LLC81,231$17.7M0.04%−8,228−9.2%Reduced
Bridges Investment Management Inc81,259$17.7M0.26%−58,400−41.8%Reduced
Eastern Bank82,108$17.9M0.35%−18,240−18.2%Reduced
Ci Investments Inc.82,729$18.0M0.08%−85,566−50.8%Reduced
CIBC Asset Management Inc82,942$18.0M0.06%−7,804−8.6%Reduced
Hudson Bay Capital Management LP82,986$18.1M0.11%+82,986New
Creative Planning83,240$18.1M0.02%+14,374+20.9%Added
Walleye Capital LLC83,646$18.2M0.20%−11,186−11.8%Reduced
Vancity Investment Management Ltd84,773$18.4M2.53%+84,773New
Vestcor Inc84,992$18.5M0.62%−9,973−10.5%Reduced
Man Group plc85,299$18.6M0.06%+7,316+9.4%Added
Land & Buildings Investment Management, LLC85,397$18.6M3.93%+22,590+36.0%Added
Barton Investment Management85,463$18.6M2.28%−1,588−1.8%Reduced
ExodusPoint Capital Management, LP86,218$18.8M0.25%−154,416−64.2%Reduced
Heitman Real Estate Securities LLC88,674$19.3M1.25%−9,960−10.1%Reduced
Davis Selected Advisers88,940$19.4M0.11%−590−0.7%Reduced
American Assets Capital Advisers, LLC88,997$19.4M8.10%−9,623−9.8%Reduced
Evelyn Partners Investment Management LLP89,518$19.5M0.65%−3,033−3.3%Reduced
Adams Diversified Equity Fund, Inc.91,200$19.8M0.79%+23,800+35.3%Added
GW Henssler & Associates Ltd91,649$19.9M1.14%+380+0.4%Added
D. E. Shaw & Co., Inc.91,678$19.9M0.02%+13,068+16.6%Added
NFJ Investment Group, LLC91,701$20.0M0.67%−2,927−3.1%Reduced
Chilton Capital Management LLC92,008$20.0M0.87%+76+0.1%Added
Rockbridge Capital Management LLC92,179$20.1M12.27%+435+0.5%Added
Financiere des Professionnels - Fonds d,investissement inc.93,850$20.4M1.32%−1,542−1.6%Reduced
Skandinaviska Enskilda Banken AB (publ)95,040$20.7M0.10%+1,555+1.7%Added
Groupama Asset Managment95,975$20.7M0.41%+1,503+1.6%Added
Nissay Asset Management Corp95,451$20.8M0.13%+9,428+11.0%Added
Trillium Asset Management, LLC95,609$20.8M0.60%−85,558−47.2%Reduced
O'Shaughnessy Asset Management, LLC96,057$20.9M0.17%+31,010+47.7%Added
Kovitz Investment Group Partners, LLC97,495$21.2M0.11%+9,286+10.5%Added
Premier Fund Managers Ltd98,542$21.2M0.79%−3,059−3.0%Reduced
Amalgamated Bank98,936$21.5M0.18%+2,232+2.3%Added
Vert Asset Management LLC99,864$21.7M7.47%−2,507−2.4%Reduced
Pacific Heights Asset Management LLC100,000$21.8M1.48%+30,000+42.9%Added
Rockefeller Capital Management L.P.100,107$21.8M0.05%+5,176+5.5%Added
Prudential PLC100,350$21.8M0.11%−18,120−15.3%Reduced
Schonfeld Strategic Advisors LLC100,380$21.8M0.15%−212,300−67.9%Reduced
Scotia Capital Inc.101,972$22.2M0.12%−4,458−4.2%Reduced
Destination Wealth Management102,476$22.3M0.70%+5,701+5.9%Added
Teachers Retirement System of the State of Kentucky103,958$22.6M0.20%+1,568+1.5%Added
Stock Yards Bank & Trust Co104,255$22.7M0.81%−8,285−7.4%Reduced
Gabelli Funds LLC104,990$22.8M0.17%−120−0.1%Reduced
Heritage Investors Management Corp107,125$23.3M0.80%+255+0.2%Added
Czech National Bank107,334$23.4M0.21%+6,016+5.9%Added
Thrivent Financial for Lutherans108,177$23.5M0.05%−11,336−9.5%Reduced
Andra AP-fonden108,989$23.7M0.39%+8,289+8.2%Added
Hazelview Securities Inc.109,400$23.8M4.33%−8,343−7.1%Reduced
Swiss Life Asset Management Ltd110,114$24.0M0.17%+47,156+74.9%Added
IFM Investors Pty Ltd110,747$24.1M0.26%−26,069−19.1%Reduced
Cetera Investment Advisers111,461$24.3M0.05%+8,633+8.4%Added
Ofi Invest Asset Management120,824$24.3M0.64%+4,109+3.5%Added
Colony Capital, Inc.112,000$24.4M1.98%+112,000New
Ninety One UK Ltd112,748$24.5M0.07%00.0%Unchanged
MAI Capital Management113,278$24.6M0.19%+9,218+8.9%Added
Financial Counselors Inc113,376$24.7M0.37%−14,217−11.1%Reduced
Harber Asset Management LLC114,407$24.9M8.86%+33,016+40.6%Added
Sora Investors LLC115,570$25.1M3.05%+1,741+1.5%Added
Xponance, Inc.116,046$25.3M0.24%+802+0.7%Added
Corebridge Financial, Inc.116,386$25.3M0.15%−4,106−3.4%Reduced
Mar Vista Investment Partners LLC119,822$26.1M2.14%−21,690−15.3%Reduced
ProShare Advisors LLC120,673$26.3M0.06%+673+0.6%Added
Advisors Asset Management, Inc.120,781$26.3M0.49%+13,036+12.1%Added
Baird Financial Group, Inc.120,870$26.3M0.05%+210+0.2%Added
Mill Capital Management, LLC121,509$26.4M2.12%+826+0.7%Added
DnB Asset Management AS121,844$26.5M0.12%−361−0.3%Reduced
Carnegie Capital Asset Management, LLC124,788$26.6M0.63%−310.0%Reduced
FourThought Financial Partners, LLC123,179$26.8M2.80%+9,799+8.6%Added
United Capital Financial Advisers, LLC125,231$27.3M0.23%+2,872+2.3%Added
Varma Mutual Pension Insurance Co147,848$27.4M0.24%+58,942+66.3%Added
Boston Family Office LLC126,584$27.5M1.95%−990−0.8%Reduced
State of Michigan Retirement System126,784$27.6M0.16%00.0%Unchanged