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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, Q2 2025

Institutional positions in American Tower Corp as of Jun 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
1,851
+30 vs. Q1 2025
Shares held
437.0M
+1.13M (+0.3%) vs. Q1 2025
Total value
$96.5B
+$1.72B (+1.8%) vs. Q1 2025
New holders
140
737 more added
Sold out
110
717 more reduced

24 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,852 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 heldQ2 2025: $96.5B
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 20261,757$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, Q2 2025

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q1 2025.

Institutions holding AMT in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
First National Advisers, LLC12,969$2.87M0.42%+216+1.7%Added
Simon Quick Advisors, LLC13,000$2.87M0.15%+11,298+663.8%Added
RSM US Wealth Management LLC12,914$2.87M0.04%+11+0.1%Added
Sterling Investment Advisors, Ltd.13,065$2.89M0.63%−433−3.2%Reduced
Quadrature Capital Ltd13,139$2.90M0.05%−28,776−68.7%Reduced
Catalytic Wealth RIA, LLC13,161$2.91M0.24%+2,572+24.3%Added
Schmidt P J Investment Management Inc13,175$2.91M0.50%−414−3.0%Reduced
First Financial Bank - Trust Division13,212$2.92M0.26%+2,308+21.2%Added
Baldwin Investment Management, LLC13,314$2.94M0.36%00.0%Unchanged
Silvercrest Asset Management Group LLC13,329$2.95M0.02%+36+0.3%Added
Squarepoint Ops LLC13,389$2.96M0.01%−11,302−45.8%Reduced
Vestmark Advisory Solutions, Inc.13,397$2.96M0.04%+1,853+16.1%Added
Prospera Financial Services Inc13,453$2.98M0.06%−35−0.3%Reduced
Jericho Financial, LLP13,606$3.01M1.98%−356−2.5%Reduced
Winton Group Ltd13,656$3.02M0.15%+13,656New
J.W. Cole Advisors, Inc.13,854$3.06M0.07%+6,764+95.4%Added
Westerkirk Capital Inc.13,900$3.07M0.38%+13,900New
Hamilton Capital Partners Inc.14,146$3.13M0.16%+728+5.4%Added
Legato Capital Management LLC14,300$3.16M0.38%00.0%Unchanged
Annandale Capital, LLC14,453$3.19M0.59%00.0%Unchanged
Atlantic Trust, LLC14,487$3.20M0.61%+1,349+10.3%Added
Oak Asset Management, LLC14,607$3.23M1.16%−50.0%Reduced
Loudon Investment Management, LLC14,728$3.26M1.80%+760+5.4%Added
Thompson Investment Management, Inc.14,761$3.26M0.46%+284+2.0%Added
Park Avenue Securities LLC14,787$3.27M0.03%−8,497−36.5%Reduced
Blue Door Asset Management, LLC14,800$3.27M1.87%+14,800New
Lummis Asset Management, LP15,032$3.28M2.14%00.0%Unchanged
D.A. Davidson & Co.14,840$3.28M0.02%−390−2.6%Reduced
Garrett Investment Advisors LLC14,847$3.28M0.29%−2,211−13.0%Reduced
Simmons Bank14,882$3.29M0.23%+182+1.2%Added
Natural Investments, LLC14,907$3.29M0.85%−1,188−7.4%Reduced
Eventide Asset Management, LLC14,215$3.30M0.06%−3,464−19.6%Reduced
Northwestern Mutual Investment Management Company, LLC14,934$3.30M0.05%+72+0.5%Added
Koa Wealth Management, LLC14,944$3.30M2.62%−3,003−16.7%Reduced
LDR Capital Management LLC14,960$3.31M4.28%−6,576−30.5%Reduced
Texas Yale Capital Corp.14,984$3.31M0.11%+662+4.6%Added
Turtle Creek Wealth Advisors, LLC15,008$3.32M0.39%+385+2.6%Added
Cary Street Partners Financial LLC15,090$3.34M0.09%−337−2.2%Reduced
Tokio Marine Asset Management Co Ltd15,095$3.34M0.13%+1,002+7.1%Added
SG Americas Securities, LLC15,117$3.34M0.01%+10,506+227.8%Added
Brown Shipley& Co Ltd15,117$3.34M1.84%−1,207−7.4%Reduced
Moody Lynn & Lieberson, LLC15,155$3.35M0.19%+9,061+148.7%Added
Community Trust & Investment Co15,196$3.36M0.19%−62−0.4%Reduced
IFG Advisory, LLC15,380$3.40M0.17%+710+4.8%Added
We Are One Seven, LLC15,526$3.43M0.11%+551+3.7%Added
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH15,633$3.46M0.10%+14,940+2,155.8%Added
Whittier Trust Co15,641$3.46M0.04%−13−0.1%Reduced
Employees Retirement System of Texas15,680$3.47M0.03%+15,680New
First National Trust Co15,688$3.47M0.13%+519+3.4%Added
Iowa State Bank15,748$3.48M0.69%+109+0.7%Added
Tabor Asset Management, LP15,781$3.49M2.44%+828+5.5%Added
Hunter Perkins Capital Management, LLC15,789$3.52M0.83%+13+0.1%Added
Sophron Capital Management L.P.15,993$3.53M1.08%+8,046+101.2%Added
Compass Wealth Management LLC16,097$3.56M0.85%+30.0%Added
TFG Advisers LLC16,186$3.58M1.23%+47+0.3%Added
Commerce Bank16,190$3.58M0.02%−1,891−10.5%Reduced
Cresset Asset Management, LLC16,168$3.60M0.02%+11,881+277.1%Added
Carrera Capital Advisors16,249$3.62M0.73%+16,249New
First Western Trust Bank16,382$3.62M0.16%−166−1.0%Reduced
Harvest Fund Management Co., Ltd16,514$3.65M0.17%−10,649−39.2%Reduced
Perkins Coie Trust Co16,517$3.65M0.62%−932−5.3%Reduced
Congress Wealth Management LLC16,569$3.66M0.04%+635+4.0%Added
Brasada Capital Management, LP16,521$3.66M0.62%−7,376−30.9%Reduced
Cullinan Associates Inc16,611$3.67M0.24%−710−4.1%Reduced
Wesbanco Bank Inc16,611$3.67M0.11%+13,715+473.6%Added
Value Partners Investments Inc.16,699$3.69M0.29%−1,353−7.5%Reduced
Second Line Capital, LLC16,630$3.70M0.86%+500+3.1%Added
Premier Fund Managers Ltd17,159$3.74M0.14%−81,383−82.6%Reduced
Ables, Iannone, Moore & Associates, Inc.16,922$3.74M2.33%−312−1.8%Reduced
Kinneret Advisory, LLC16,805$3.74M0.34%−25−0.1%Reduced
First National Bank of Omaha16,998$3.76M0.24%+86+0.5%Added
Cornerstone Advisors, LLC17,000$3.76M0.13%−2,400−12.4%Reduced
Omers Administration Corp17,142$3.79M0.03%00.0%Unchanged
Bill Few Associates, Inc.17,365$3.84M1.09%−200−1.1%Reduced
Assenagon Asset Management S.A.17,478$3.86M0.01%+45+0.3%Added
Mesirow Financial Investment Management, Inc.17,524$3.87M0.08%−735−4.0%Reduced
JB Capital LLC17,527$3.87M0.19%−213−1.2%Reduced
Cape Cod Five Cents Savings Bank16,720$3.89M0.36%00.0%Unchanged
Semmax Financial Advisors Inc.18,833$3.89M1.00%+151+0.8%Added
Ninety One SA (PTY) Ltd17,634$3.89M0.64%00.0%Unchanged
ProVise Management Group, LLC17,750$3.92M0.31%+956+5.7%Added
Northstar Asset Management LLC17,907$3.96M0.91%−200−1.1%Reduced
Amica Mutual Insurance Co18,029$3.98M0.38%00.0%Unchanged
AG2R la Mondiale Gestion D'Actifs18,137$4.01M0.21%+446+2.5%Added
Ostrum Asset Management18,172$4.02M0.19%+1,953+12.0%Added
Presima Inc.18,210$4.02M0.93%00.0%Unchanged
Caisse de Depot Et Placement du Quebec18,283$4.04M0.01%00.0%Unchanged
Jupiter Wealth Management LLC19,838$4.05M2.05%−673−3.3%Reduced
Timber Creek Capital Management LLC19,476$4.09M1.04%−70−0.4%Reduced
Shell Asset Management Co18,597$4.11M0.14%+4,838+35.2%Added
Healthcare of Ontario Pension Plan Trust Fund18,674$4.13M0.01%+13,102+235.1%Added
Callan Family Office, LLC18,784$4.15M0.13%+15,574+485.2%Added
Dean Investment Associates, LLC19,003$4.20M0.62%+287+1.5%Added
Account Management LLC19,050$4.21M4.62%00.0%Unchanged
Tower Research Capital LLC (TRC)19,155$4.23M0.11%−306−1.6%Reduced
Banque Cantonale Vaudoise19,247$4.25M0.17%+390+2.1%Added
Dynamic Advisor Solutions LLC19,330$4.27M0.13%+4,301+28.6%Added
Burling Wealth Partners, LLC19,871$4.39M0.81%−2,695−11.9%Reduced
Abn Amro Investment Solutions19,892$4.40M0.09%−30,499−60.5%Reduced
CWM, LLC19,916$4.40M0.02%+3,336+20.1%Added