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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: 1,852 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 20251,852$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 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
Summit Financial, LLC9,293$2.02M0.06%−233−2.4%Reduced
Valeo Financial Advisors, LLC9,296$2.02M0.06%+4,066+77.7%Added
Principal Securities, Inc.11,126$2.04M0.05%+36+0.3%Added
Union Bancaire Privee, UBP SA9,493$2.05M0.04%−3,079−24.5%Reduced
Quadrant Capital Group LLC9,504$2.07M0.08%+3,768+65.7%Added
Verde Capital Management9,521$2.07M0.59%+428+4.7%Added
Rossmore Private Capital9,540$2.08M0.26%−2,780−22.6%Reduced
Waterloo Capital, L.P.9,625$2.09M0.19%+1,927+25.0%Added
Dudley Capital Management, LLC9,633$2.10M1.12%−324−3.3%Reduced
Thurston, Springer, Miller, Herd & Titak, Inc.9,650$2.10M0.35%+1,704+21.4%Added
Guardian Wealth Advisors, LLC9,660$2.10M0.17%+333+3.6%Added
Morningstar Investment Services LLC9,708$2.11M0.39%−11,262−53.7%Reduced
Twin Capital Management Inc9,707$2.11M0.25%+3,588+58.6%Added
Vident Advisory, LLC9,757$2.12M0.03%+5,146+111.6%Added
Ballentine Partners, LLC9,781$2.13M0.04%+190+2.0%Added
Inspire Trust Co, N.A.9,850$2.14M0.51%00.0%Unchanged
Missouri Trust & Investment Co9,862$2.15M0.75%+625+6.8%Added
Flputnam Investment Management Co9,909$2.16M0.04%+546+5.8%Added
Jag Capital Management, LLC9,948$2.16M0.29%−613−5.8%Reduced
RBF Capital, LLC10,000$2.18M0.14%00.0%Unchanged
Greenland Capital Management LP10,031$2.18M0.37%+10,031New
Mill Creek Capital Advisors, LLC10,040$2.18M0.05%−1,589−13.7%Reduced
Benjamin Edwards Inc10,103$2.20M0.03%−61−0.6%Reduced
PYA Waltman Capital, LLC10,202$2.22M0.70%+441+4.5%Added
Argent Trust Co10,213$2.22M0.09%−9,560−48.3%Reduced
RMR Wealth Builders10,256$2.23M0.23%+1,258+14.0%Added
Midwest Professional Planners, LTD.10,276$2.24M0.70%−394−3.7%Reduced
Triasima Portfolio Management inc.10,370$2.26M0.44%−480−4.4%Reduced
Meketa Investment Group Inc10,390$2.26M3.05%+5,675+120.4%Added
Harvest Portfolios Group Inc.10,438$2.27M0.07%+868+9.1%Added
Townsend Asset Management Corp10,454$2.27M0.88%−72−0.7%Reduced
Integrated Advisors Network LLC10,456$2.28M0.12%+390+3.9%Added
Park Place Capital Corp10,494$2.28M0.62%+4,330+70.2%Added
MSH Capital Advisors LLC10,525$2.29M0.71%+10,525New
Enterprise Bank & Trust Co10,576$2.30M0.89%+152+1.5%Added
Catalytic Wealth RIA, LLC10,589$2.30M0.42%+674+6.8%Added
Intact Investment Management Inc.10,600$2.31M0.08%−400−3.6%Reduced
Northcape Wealth Management, LLC10,708$2.33M0.75%+146+1.4%Added
United Services Automobile Association10,817$2.33M0.07%00.0%Unchanged
Gryphon Financial Partners LLC10,755$2.34M0.34%+898+9.1%Added
Tiaa Trust, National Association10,793$2.35M0.01%−68,128−86.3%Reduced
Fifth Third Wealth Advisors LLC10,854$2.36M0.12%+159+1.5%Added
First Financial Bank - Trust Division10,904$2.37M0.23%+560+5.4%Added
Tobam10,947$2.38M1.02%+8,931+443.0%Added
Empowered Funds, LLC11,060$2.41M0.03%−633−5.4%Reduced
Canandaigua National Bank & Trust Co11,065$2.41M0.24%+57+0.5%Added
Ingalls & Snyder LLC11,112$2.42M0.08%+118+1.1%Added
Sone Capital Management, LLC11,162$2.43M0.25%+11,162New
Transcend Wealth Collective, LLC11,188$2.43M0.18%+24+0.2%Added
V-Square Quantitative Management LLC11,200$2.44M0.36%+536+5.0%Added
Insight Wealth Strategies, LLC11,253$2.45M0.33%+202+1.8%Added
De Burlo Group Inc11,500$2.50M0.37%−250−2.1%Reduced
Vestmark Advisory Solutions, Inc.11,544$2.51M0.06%+5,183+81.5%Added
Ossiam11,550$2.51M0.04%+183+1.6%Added
Stratos Wealth Partners, LTD.11,551$2.51M0.04%−1,513−11.6%Reduced
Earnest Partners LLC11,563$2.52M0.01%−157−1.3%Reduced
Dana Investment Advisors, Inc.11,565$2.52M0.09%−133−1.1%Reduced
Graham Capital Wealth Management, LLC11,622$2.53M2.71%−2,652−18.6%Reduced
Stiles Financial Services Inc11,709$2.55M0.98%+502+4.5%Added
Plato Investment Management Ltd11,593$2.55M0.21%−887−7.1%Reduced
Ninepoint Partners LP11,742$2.56M0.45%+2,018+20.8%Added
Atom Investors LP11,792$2.57M0.32%+10,280+679.9%Added
Alpha Omega Wealth Management LLC11,812$2.57M0.49%+1,335+12.7%Added
Rosenblum Silverman Sutton S F Inc11,820$2.57M0.71%−905−7.1%Reduced
Conscious Wealth Investments, LLC11,722$2.58M1.79%−1,645−12.3%Reduced
Cyndeo Wealth Partners, LLC11,869$2.58M0.17%−6,547−35.6%Reduced
Capital Square, LLC11,922$2.59M1.52%−137−1.1%Reduced
Pine Valley Investments Ltd Liability Co11,952$2.60M0.17%−633−5.0%Reduced
NewEdge Wealth, LLC11,959$2.60M0.05%−1,071−8.2%Reduced
Dakota Wealth Management12,022$2.62M0.06%−1,734−12.6%Reduced
Brown Miller Wealth Management, LLC12,030$2.62M0.91%+183+1.5%Added
Atria Wealth Solutions, Inc.12,099$2.63M0.03%−3,232−21.1%Reduced
180 Wealth Advisors, LLC12,138$2.64M0.42%+469+4.0%Added
Paradigm Financial Partners, LLC12,235$2.66M0.33%−674−5.2%Reduced
Stonebridge Financial Group, LLC12,237$2.66M0.28%+2,945+31.7%Added
Epiq Partners, LLC12,239$2.66M1.41%−192−1.5%Reduced
University of Texas/Texas Am Investment Managment Co12,259$2.67M0.46%+3,479+39.6%Added
Financial Advisory Service, Inc.12,292$2.67M0.22%+1,046+9.3%Added
Beech Hill Advisors, Inc.12,349$2.69M1.07%+45+0.4%Added
St. Clair Advisors, LLC12,528$2.73M0.76%00.0%Unchanged
Proquility Private Wealth Partners, LLC12,534$2.73M0.84%+1,610+14.7%Added
GeoWealth Management, LLC12,740$2.77M0.11%+616+5.1%Added
Ascent Group, LLC12,741$2.77M0.12%+2,247+21.4%Added
First National Advisers, LLC12,753$2.78M0.44%+212+1.7%Added
Drucker Wealth 3.0, LLC12,778$2.78M0.61%+1,417+12.5%Added
RSM US Wealth Management LLC12,903$2.81M0.04%+92+0.7%Added
Perpetual Ltd12,941$2.82M0.03%−453−3.4%Reduced
WealthShield Partners, LLC12,996$2.83M0.36%+2,438+23.1%Added
Atlantic Trust, LLC13,138$2.86M0.64%−44−0.3%Reduced
Investment Management Corp of Ontario13,174$2.87M0.06%−9,410−41.7%Reduced
Kayne Anderson Rudnick Investment Management LLC13,194$2.87M0.01%+2,686+25.6%Added
Silvercrest Asset Management Group LLC13,293$2.89M0.02%+370+2.9%Added
Baldwin Investment Management, LLC13,314$2.90M0.35%+114+0.9%Added
Hamilton Capital Partners Inc.13,418$2.92M0.19%+640+5.0%Added
Sterling Investment Advisors, Ltd.13,498$2.94M0.71%−1,001−6.9%Reduced
Prospera Financial Services Inc13,488$2.94M0.07%−1,397−9.4%Reduced
Kentucky Retirement Systems Insurance Trust Fund13,580$2.96M0.21%−395−2.8%Reduced
Schmidt P J Investment Management Inc13,589$2.96M0.54%−1,188−8.0%Reduced
Savoie Capital LLC16,150$2.96M0.35%00.0%Unchanged
Horizon Investments, LLC13,868$2.99M0.09%+731+5.6%Added