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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, Q3 2024

Institutional positions in American Tower Corp as of Sep 30, 2024. 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
1,852
+107 vs. Q2 2024
Shares held
429.0M
+36.7M (+9.4%) vs. Q2 2024
Total value
$99.4B
+$23.1B (+30.3%) vs. Q2 2024
New holders
203
677 more added
Sold out
96
720 more reduced

24 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 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 heldQ3 2024: $99.4B
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, Q3 2024

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2024.

Institutions holding AMT in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Lummis Asset Management, LP12,012$2.79M3.26%00.0%Unchanged
Jefferies Financial Group Inc.11,971$2.78M0.05%+1,440+13.7%Added
Earnest Partners LLC11,936$2.78M0.01%−113−0.9%Reduced
First National Advisers, LLC11,859$2.76M0.44%+2,582+27.8%Added
Second Line Capital, LLC11,856$2.76M0.75%+138+1.2%Added
Loudon Investment Management, LLC11,783$2.74M1.50%00.0%Unchanged
Prelude Capital Management, LLC11,582$2.69M0.21%−2,090−15.3%Reduced
Ostrum Asset Management11,494$2.67M0.22%−3,128−21.4%Reduced
Transcend Wealth Collective, LLC11,421$2.66M0.18%−252−2.2%Reduced
Beech Hill Advisors, Inc.11,371$2.64M1.00%−523−4.4%Reduced
Western Wealth Management, LLC11,355$2.64M0.15%+7,806+219.9%Added
HighPoint Advisor Group LLC11,290$2.63M0.15%−2,771−19.7%Reduced
180 Wealth Advisors, LLC11,265$2.62M0.41%+39+0.3%Added
Canandaigua National Bank & Trust Co11,243$2.61M0.25%+272+2.5%Added
Kayne Anderson Rudnick Investment Management LLC11,232$2.61M0.01%−219−1.9%Reduced
Everence Capital Management Inc11,202$2.60M0.16%00.0%Unchanged
Nicola Wealth Management Ltd.8,281$2.60M0.21%+1,400+20.3%Added
Ingalls & Snyder LLC11,194$2.60M0.10%+156+1.4%Added
Stiles Financial Services Inc11,169$2.60M0.92%+493+4.6%Added
Paradigm Financial Partners, LLC13,277$2.59M0.36%−813−5.8%Reduced
Dana Investment Advisors, Inc.11,135$2.59M0.09%−898−7.5%Reduced
Fifth Third Wealth Advisors LLC11,124$2.59M0.16%+1,306+13.3%Added
Proquility Private Wealth Partners, LLC11,075$2.58M0.82%−2,274−17.0%Reduced
CAPROCK Group, Inc.11,051$2.57M0.09%+3,524+46.8%Added
United Services Automobile Association10,998$2.56M0.07%−2,408−18.0%Reduced
Lombard Odier Asset Management (Switzerland) SA10,980$2.55M0.21%+10,980New
Y-Intercept (Hong Kong) Ltd10,943$2.54M0.16%+10,943New
Financial Advisory Service, Inc.10,840$2.52M0.20%+436+4.2%Added
Insight Wealth Strategies, LLC10,840$2.52M0.33%+194+1.8%Added
Dudley Capital Management, LLC10,717$2.49M1.30%−99−0.9%Reduced
Foresight Group Ltd Liability Partnership149,222$2.49M4.79%−29,680−16.6%Reduced
Erste Asset Management GmbH10,784$2.48M0.03%+961+9.8%Added
Northcape Wealth Management, LLC10,620$2.47M0.81%+235+2.3%Added
Berkshire Bank10,604$2.47M0.58%+2,413+29.5%Added
Ascent Group, LLC10,587$2.46M0.19%+460+4.5%Added
Strengthening Families & Communities, LLC10,523$2.45M0.63%+778+8.0%Added
First National Trust Co10,508$2.44M0.09%−43−0.4%Reduced
Signal Advisors Wealth, LLC10,476$2.44M0.35%+10,476New
Exencial Wealth Advisors, LLC10,450$2.43M0.09%+558+5.6%Added
Jag Capital Management, LLC10,449$2.43M0.29%+243+2.4%Added
IFP Advisors, Inc10,387$2.42M0.09%+1,783+20.7%Added
Midwest Professional Planners, LTD.10,326$2.40M0.73%+694+7.2%Added
Enterprise Bank & Trust Co10,325$2.40M0.77%+8+0.1%Added
Northcape Capital Pty Ltd10,326$2.40M0.36%−4,906−32.2%Reduced
Lake Street Advisors Group, LLC10,315$2.40M0.11%+148+1.5%Added
Cornerstone Advisors, LLC10,300$2.40M0.09%+3,500+51.5%Added
New Hampshire Trust10,285$2.39M0.51%−45−0.4%Reduced
Pine Valley Investments Ltd Liability Co10,173$2.37M0.16%−242−2.3%Reduced
Glen Eagle Advisors, LLC10,142$2.36M0.40%−1,654−14.0%Reduced
GSI Capital Advisors LLC10,133$2.36M1.18%+10,133New
Alpha Omega Wealth Management LLC10,121$2.35M0.43%00.0%Unchanged
Camden Capital, LLC10,120$2.35M0.25%−21−0.2%Reduced
V-Square Quantitative Management LLC10,089$2.35M0.34%+767+8.2%Added
SageView Advisory Group, LLC10,088$2.35M0.12%−1,170−10.4%Reduced
Ballentine Partners, LLC10,026$2.33M0.04%+747+8.1%Added
Azzad Asset Management Inc10,025$2.33M0.26%−16−0.2%Reduced
Benjamin Edwards Inc10,013$2.33M0.03%+10,013New
CCM Investment Advisers LLC9,992$2.32M0.26%−1,528−13.3%Reduced
Central Trust Co9,935$2.31M0.05%+701+7.6%Added
Empowered Funds, LLC9,935$2.31M0.04%+508+5.4%Added
Kingswood Wealth Advisors, LLC9,913$2.30M0.16%+2,285+30.0%Added
Consolidated Investment Group LLC9,900$2.30M0.34%−4,800−32.7%Reduced
First Financial Bank - Trust Division9,886$2.30M0.21%+9,886New
Anson Funds Management LP9,720$2.26M0.32%+9,720New
Whittier Trust Co of Nevada Inc9,717$2.26M0.06%+319+3.4%Added
James Investment Research Inc9,605$2.23M0.26%−208−2.1%Reduced
Gryphon Financial Partners LLC9,530$2.22M0.30%+80+0.8%Added
Qtron Investments LLC9,492$2.21M0.30%+2,750+40.8%Added
PYA Waltman Capital, LLC9,478$2.20M0.72%+449+5.0%Added
Flputnam Investment Management Co9,509$2.19M0.04%+2,875+43.3%Added
Resources Investment Advisors, LLC.9,428$2.19M0.03%−219−2.3%Reduced
Citizens & Northern Corp9,325$2.17M0.65%+749+8.7%Added
Welch & Forbes LLC9,292$2.16M0.03%+325+3.6%Added
Boit C F David9,210$2.14M1.06%00.0%Unchanged
Ninepoint Partners LP9,112$2.12M0.28%00.0%Unchanged
Paradigm Asset Management Co LLC9,100$2.12M0.55%00.0%Unchanged
Panagora Asset Management Inc9,008$2.09M0.01%+140+1.6%Added
Avitas Wealth Management LLC8,972$2.09M0.29%−114−1.3%Reduced
Weaver Capital Management LLC8,901$2.07M0.62%+233+2.7%Added
Hamilton Capital Partners Inc.8,874$2.06M0.18%+6,660+300.8%Added
Verde Capital Management8,851$2.06M0.62%−174−1.9%Reduced
Chartwell Investment Partners, LLC8,728$2.03M0.07%00.0%Unchanged
Osborne Partners Capital Management, LLC8,720$2.03M0.11%00.0%Unchanged
Moneta Group Investment Advisors LLC8,706$2.02M0.03%+601+7.4%Added
Old National Bancorp8,691$2.02M0.05%+341+4.1%Added
Howard Capital Management Inc.8,599$2.00M0.03%+8,599New
One Capital Management, LLC8,596$2.00M0.06%−472−5.2%Reduced
KCM Investment Advisors LLC8,591$2.00M0.07%−223−2.5%Reduced
TD Private Client Wealth LLC8,553$1.99M0.06%+1,177+16.0%Added
Campbell & CO Investment Adviser LLC8,511$1.98M0.15%+1,316+18.3%Added
Mayflower Financial Advisors, LLC8,473$1.97M0.30%−809−8.7%Reduced
Salvus Wealth Management, LLC8,463$1.97M1.21%+125+1.5%Added
Cypress Capital Group8,457$1.97M0.22%−548−6.1%Reduced
IHT Wealth Management, LLC8,442$1.96M0.06%+1,534+22.2%Added
Roundview Capital LLC8,420$1.96M0.14%+193+2.3%Added
Vestmark Advisory Solutions, Inc.8,414$1.96M0.07%−130−1.5%Reduced
Stableford Capital II LLC8,900$1.95M0.78%+1,662+23.0%Added
Hudson Canyon Capital Management8,376$1.95M1.26%00.0%Unchanged
Werlinich Asset Management, LLC8,350$1.94M1.13%00.0%Unchanged
Dorsey & Whitney Trust CO LLC8,202$1.91M0.10%+405+5.2%Added