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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: 1,851 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 20251,851$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 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
VUB Generali dochodkova spravcovska spolocnost, a.s.0$00.00%−3,534−100.0%Sold out
Jackson Thornton Asset Management, LLC0$00.00%−3,403−100.0%Sold out
One + One Wealth Management, LLC0$00.00%−3,130−100.0%Sold out
waypoint wealth counsel0$00.00%−2,988−100.0%Sold out
Caerus Investment Advisors, LLC0$00.00%−2,895−100.0%Sold out
Kirtland Hills Capital Management, LLC0$00.00%−2,781−100.0%Sold out
Waddell & Associates, LLC0$00.00%−2,618−100.0%Sold out
Bluefin Capital Management, LLC0$00.00%−2,500−100.0%Sold out
Elmwood Wealth Management, Inc.0$00.00%−2,465−100.0%Sold out
Warwick Investment Management, Inc.0$00.00%−2,440−100.0%Sold out
Second Half Financial Partners, LLC0$00.00%−2,414−100.0%Sold out
Diversify Advisory Services, LLC0$00.00%−2,292−100.0%Sold out
Chicago Trust Co NA0$00.00%−2,240−100.0%Sold out
Hutchens & Kramer Investment Management Group, LLC0$00.00%−2,207−100.0%Sold out
Cullinan Associates Inc0$00.00%−2,200−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−2,160−100.0%Sold out
Capital Performance Advisors LLP0$00.00%−2,127−100.0%Sold out
McDonald Partners LLC0$00.00%−2,045−100.0%Sold out
Logan Capital Management Inc0$00.00%−2,000−100.0%Sold out
Berkeley Capital Partners, LLC0$00.00%−2,000−100.0%Sold out
Wright Investors Service Inc0$00.00%−1,946−100.0%Sold out
Lecap Asset Management Ltd0$00.00%−1,907−100.0%Sold out
Strategic Blueprint, LLC0$00.00%−1,906−100.0%Sold out
Andrews Advisory Associates, LLC0$00.00%−1,875−100.0%Sold out
GK Wealth Management LLC0$00.00%−1,841−100.0%Sold out
Weiss Asset Management LP0$00.00%−1,838−100.0%Sold out
Valley Brook Capital Group0$00.00%−1,800−100.0%Sold out
Harbor Capital Advisors, Inc.0$00.00%−1,780−100.0%Sold out
Sym Financial Corp0$00.00%−1,713−100.0%Sold out
Sentinus, LLC0$00.00%−1,602−100.0%Sold out
Childress Capital Advisors, LLC0$00.00%−1,568−100.0%Sold out
Cambria Investment Management, L.P.0$00.00%−1,567−100.0%Sold out
Beese Fulmer Investment Management, Inc.0$00.00%−1,450−100.0%Sold out
Capital Group Private Client Services, Inc.0$00.00%−1,463−100.0%Sold out
Redwood Family Wealth LLC0$00.00%−1,420−100.0%Sold out
Moore Capital Management, LP0$00.00%−1,418−100.0%Sold out
Poinciana Advisors Group, LLC0$00.00%−1,372−100.0%Sold out
First Financial Bank - Trust Division0$00.00%−1,369−100.0%Sold out
West Family Investments, Inc.0$00.00%−1,355−100.0%Sold out
Gilman Hill Asset Management, LLC0$00.00%−1,343−100.0%Sold out
Wellspring Financial Advisors, LLC0$00.00%−1,319−100.0%Sold out
Armstrong, Fleming & Moore, Inc0$00.00%−1,311−100.0%Sold out
AssuredPartners Investment Advisors, LLC0$00.00%−1,309−100.0%Sold out
CFO4Life Group, LLC0$00.00%−1,303−100.0%Sold out
Wealth Management Associates, Inc.0$00.00%−1,299−100.0%Sold out
Finivi Inc.0$00.00%−1,295−100.0%Sold out
SmartHarvest Portfolios, LLC0$00.00%−1,274−100.0%Sold out
Marble Wealth, LLC0$00.00%−1,265−100.0%Sold out
Sentry Investment Management LLC0$00.00%−1,209−100.0%Sold out
Modus Advisors, LLC0$00.00%−1,207−100.0%Sold out
Zacks Investment Management0$00.00%−1,189−100.0%Sold out
Z3 Capital Partners, LLC0$00.00%−1,181−100.0%Sold out
Meridian Wealth Management, LLC0$00.00%−1,163−100.0%Sold out
Daybright Advisory Services, Inc.0$00.00%−1,143−100.0%Sold out
A. D. Beadell Investment Counsel, Inc.0$00.00%−1,140−100.0%Sold out
Concord Wealth Partners0$00.00%−995−100.0%Sold out
Garton & Associates Financial Advisors LLC0$00.00%−976−100.0%Sold out
Munich Reinsurance Co Stock Corp in Munich0$00.00%−693−100.0%Sold out
Elyxium Wealth, LLC0$00.00%−569−100.0%Sold out
Gen-Wealth Partners Inc0$00.00%−517−100.0%Sold out
Wealth Watch Advisors, INC0$00.00%−410−100.0%Sold out
TCTC Holdings, LLC0$00.00%−374−100.0%Sold out
Tanglewood Legacy Advisors, LLC0$00.00%−372−100.0%Sold out
Palladiem, LLC0$00.00%−339−100.0%Sold out
Optima Capital LLC0$00.00%−254−100.0%Sold out
Merited Wealth, LLC0$00.00%−250−100.0%Sold out
Arbor Wealth Management LLC0$00.00%−211−100.0%Sold out
CBIZ Investment Advisory Services, LLC0$00.00%−188−100.0%Sold out
Roble, Belko & Company, Inc0$00.00%−170−100.0%Sold out
Plante Moran Financial Advisors, LLC0$00.00%−150−100.0%Sold out
Operose Advisors LLC0$00.00%−150−100.0%Sold out
Strategic Advocates LLC0$00.00%−143−100.0%Sold out
Tucker Asset Management LLC0$00.00%−111−100.0%Sold out
Winnow Wealth LLC0$00.00%−109−100.0%Sold out
Howard Hughes Medical Institute0$00.00%−100−100.0%Sold out
Strive Financial Group ,LLC0$00.00%−95−100.0%Sold out
MidAtlantic Capital Management, Inc.0$00.00%−95−100.0%Sold out
NCP Inc.0$00.00%−92−100.0%Sold out
Commonwealth Retirement Investments LLC0$00.00%−91−100.0%Sold out
Asset Dedication, LLC0$00.00%−90−100.0%Sold out
Safe Harbor Fiduciary, LLC0$00.00%−79−100.0%Sold out
Turning Point Benefit Group, Inc.0$00.00%−68−100.0%Sold out
Quattro Advisors LLC0$00.00%−63−100.0%Sold out
Vermillion & White Wealth Management Group, LLC0$00.00%−61−100.0%Sold out
POM Investment Strategies, LLC0$00.00%−53−100.0%Sold out
Moisand Fitzgerald Tamayo, LLC0$00.00%−50−100.0%Sold out
Vision Retirement, LLC0$00.00%−50−100.0%Sold out
Laurel Wealth Advisors LLC0$00.00%−48−100.0%Sold out
First United Bank Trust0$00.00%−45−100.0%Sold out
LM Advisors LLC0$00.00%−1,176−100.0%Sold out
McGuire Capital Advisors Inc0$00.00%−37−100.0%Sold out
Legacy Bridge, LLC0$00.00%−34−100.0%Sold out
Noble Wealth Management PBC0$00.00%−32−100.0%Sold out
Jessup Wealth Management, Inc0$00.00%−30−100.0%Sold out
Zimmer Partners, LP0$00.00%−23−100.0%Sold out
Imprint Wealth LLC0$00.00%−19−100.0%Sold out
Compass Financial Services Inc0$00.00%−18−100.0%Sold out
Alexis Investment Partners, LLC0$00.00%−18−100.0%Sold out
1015 Capital Partners, LLC0$00.00%−6−100.0%Sold out
IFC & Insurance Marketing, Inc.0$00.00%−5−100.0%Sold out