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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 2026

Institutional positions in American Tower Corp as of Mar 31, 2026. 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
1,760
+9 vs. Q4 2025
Shares held
431.5M
+28.6M (+7.1%) vs. Q4 2025
Total value
$74.4B
+$10.2B (+15.9%) vs. Q4 2025
New holders
155
725 more added
Sold out
146
651 more reduced

30 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 1,760 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 2026: $74.4B
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 2026

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q4 2025.

Institutions holding AMT in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Clear Creek Financial Management, LLC3,211$554.2K0.04%−694−17.8%Reduced
Inscription Capital, LLC3,210$554.0K0.06%−352−9.9%Reduced
Acumen Wealth Advisors, LLC3,201$552.4K0.15%+3,036+1,840.0%Added
Miracle Mile Advisors, LLC3,199$552.0K0.01%−760−19.2%Reduced
Phillips Wealth Planners LLC3,107$551.4K0.41%+1,787+135.4%Added
Perbak Capital Partners LLP3,177$548.3K0.13%+3,177New
Cornerstone Advisory, LLC3,172$547.3K0.05%+279+9.6%Added
Supplemental Annuity Collective Trust of NJ3,170$547.1K0.15%−1,830−36.6%Reduced
Spirit of America Management Corp3,170$547.1K0.11%+200+6.7%Added
Pinnacle Bancorp, Inc.3,152$544.0K0.16%−102−3.1%Reduced
Balboa Wealth Partners3,152$544.0K0.09%−78−2.4%Reduced
Golden State Equity Partners3,148$543.5K0.04%+767+32.2%Added
EverSource Wealth Advisors, LLC3,124$539.0K0.02%−735−19.0%Reduced
First Financial Corp3,114$537.4K0.21%−120−3.7%Reduced
SeaCrest Wealth Management, LLC3,094$534.0K0.06%−2−0.1%Reduced
Wealthspire Advisors, LLC3,091$533.5K0.00%−1,238−28.6%Reduced
CSS LLC3,080$531.5K0.03%+110+3.7%Added
Wedmont Private Capital3,006$529.6K0.02%+516+20.7%Added
First Heartland Consultants, Inc.3,031$523.1K0.04%00.0%Unchanged
Everhart Financial Group, Inc.3,021$521.4K0.04%+447+17.4%Added
Hazelview Securities Inc.3,015$520.3K0.10%+870+40.6%Added
First Affirmative Financial Network3,014$520.2K0.20%+3,014New
XML Financial, LLC3,010$519.5K0.04%−152−4.8%Reduced
Machina Capital S.A.S.3,008$519.1K0.10%+361+13.6%Added
Sava Infond d.o.o.3,000$517.7K0.07%−2,500−45.5%Reduced
TownSquare Capital, LLC2,980$514.3K0.12%+219+7.9%Added
Maripau Wealth Management LLC2,977$513.8K0.23%+241+8.8%Added
Rodgers Brothers Inc.2,977$513.8K0.06%+2,977New
Knuff & Co LLC2,975$513.4K0.15%−14,835−83.3%Reduced
DMG Group, LLC2,973$513.1K0.35%+360+13.8%Added
Ronald Blue Trust, Inc.2,963$511.2K0.01%−2,748−48.1%Reduced
Tred Avon Family Wealth, LLC2,960$510.8K0.17%+28+1.0%Added
Mendel Capital Management LLC2,952$509.5K0.26%+2,952New
Chapman Financial Group, LLC2,941$507.6K0.36%−1,758−37.4%Reduced
Gateway Wealth Partners, LLC2,939$507.2K0.02%+2,939New
Requisite Capital Management, LLC2,932$506.1K0.09%−6−0.2%Reduced
Renasant Bank2,928$505.3K0.36%+714+32.2%Added
Diversified Enterprises, LLC2,917$503.4K0.03%+47+1.6%Added
Winton Group Ltd2,900$500.5K0.02%−25,891−89.9%Reduced
Cypress Wealth Services, LLC2,886$498.1K0.07%+754+35.4%Added
Buttonwood Financial Advisors Inc.2,881$497.2K0.17%−113−3.8%Reduced
Dakota Wealth Management2,869$495.2K0.01%−714−19.9%Reduced
Gross & Hartman Investments LLC2,864$494.3K0.26%+142+5.2%Added
Safe Harbor Family Capital, LLC2,864$494.3K0.39%+142+5.2%Added
Acorns Advisers, LLC2,860$494.0K0.00%+229+8.7%Added
Heartland Bank & Trust Co2,854$492.5K0.11%+2,854New
Smith, Moore & Co.2,840$490.1K0.04%−1,364−32.4%Reduced
Fieldview Capital Management, LLC2,835$489.3K0.14%−5,194−64.7%Reduced
Regions Financial Corp2,829$488.2K0.00%−533−15.9%Reduced
Clarus Group, Inc.2,814$485.7K0.17%−7−0.2%Reduced
Truvestments Capital LLC2,802$483.6K0.09%+548+24.3%Added
Petros Family Wealth, LLC2,790$481.6K0.34%+421+17.8%Added
Boston Private Wealth LLC2,789$481.4K0.03%−16−0.6%Reduced
Lynx Capital Group Ltd2,786$480.8K0.22%00.0%Unchanged
Capital Square, LLC2,695$480.4K0.22%−255−8.6%Reduced
LVW Advisors, LLC2,782$480.1K0.05%−1,247−31.0%Reduced
FDx Advisors, Inc.2,778$479.0K0.15%+2,778New
Capital Investment Advisory Services, LLC2,767$477.5K0.03%+851+44.4%Added
Principle Wealth Partners LLC2,757$475.8K0.03%−25−0.9%Reduced
Goelzer Investment Management, Inc.2,743$473.4K0.02%+70+2.6%Added
Silver Oak Securities, Inc2,730$471.1K0.03%+470+20.8%Added
Fidelis Capital Partners, LLC2,725$470.3K0.03%−1,236−31.2%Reduced
Odyssean, LLC2,722$469.8K0.17%+2,722New
Keudell/Morrison Wealth Management2,721$469.6K0.10%+2,721New
Vanguard National Trust Co2,715$468.6K0.03%+2,715New
Kayne Anderson Rudnick Investment Management LLC2,707$467.2K0.00%−3,317−55.1%Reduced
Sapient Capital LLC2,704$466.7K0.01%+290+12.0%Added
Lincoln Capital LLC2,700$466.0K0.09%00.0%Unchanged
Avalon Trust Co2,695$465.1K0.03%−170−5.9%Reduced
Corps Capital Advisors, LLC2,687$463.7K0.40%−300−10.0%Reduced
Mattern Wealth Management LLC2,681$462.7K0.09%−45−1.7%Reduced
AlTi Global, Inc.2,677$462.0K0.01%+200+8.1%Added
Beaumont Financial Advisors, LLC2,663$459.6K0.03%−182−6.4%Reduced
Boltwood Capital Management2,657$458.5K0.12%+107+4.2%Added
Blossom Wealth Management2,656$458.4K0.68%+22+0.8%Added
Modern Wealth Management, LLC2,676$457.7K0.01%+2,676New
Hudson Valley Investment Advisors Inc2,640$455.6K0.06%−285−9.7%Reduced
MQS Management LLC2,639$455.4K0.31%−515−16.3%Reduced
Founders Financial Alliance, LLC2,636$454.9K0.08%+16+0.6%Added
Dynamic Technology Lab Private Ltd2,630$453.9K0.07%+2,630New
Advisor OS, LLC2,619$452.0K0.03%−456−14.8%Reduced
Gladstone Institutional Advisory LLC2,617$451.7K0.02%+96+3.8%Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA2,615$451.3K0.15%+100+4.0%Added
Avantax Planning Partners, Inc.2,614$451.1K0.01%+101+4.0%Added
Legacy Advisors, LLC2,611$450.6K0.05%−41−1.5%Reduced
Livforsakringsbolaget Skandia, Omsesidigt2,597$448.0K0.02%00.0%Unchanged
VestGen Advisors, LLC2,498$446.8K0.01%+2,498New
Paragon Private Wealth Management, LLC2,568$443.1K0.14%−145−5.3%Reduced
SkyView Investment Advisors, LLC2,564$443.0K0.06%+2,564New
Roundview Capital LLC2,547$439.6K0.03%−207−7.5%Reduced
Thurston, Springer, Miller, Herd & Titak, Inc.2,530$436.8K0.18%−307−10.8%Reduced
Mitchell & Pahl Private Wealth, LLC2,529$436.5K0.18%−13−0.5%Reduced
L2 Asset Management, LLC2,523$435.4K0.04%+170+7.2%Added
Evolve Private Wealth, LLC2,510$433.2K0.02%−2,808−52.8%Reduced
Rbo & Co LLC2,500$431.4K0.07%00.0%Unchanged
Angeles Wealth Management, LLC2,491$429.9K0.02%−716−22.3%Reduced
Polymer Capital Management (US) LLC2,489$429.6K0.06%−3,056−55.1%Reduced
Union Savings Bank2,487$429.2K0.19%−92−3.6%Reduced
Hemenway Trust Co LLC2,472$426.6K0.03%−270−9.8%Reduced
Motco2,464$425.2K0.04%+469+23.5%Added