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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 2021

Institutional positions in American Tower Corp as of Sep 30, 2021. 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
1,678
+47 vs. Q2 2021
Shares held
412.7M
−255.0K (−0.1%) vs. Q2 2021
Total value
$109.6B
−$2.00B (−1.8%) vs. Q2 2021
New holders
131
744 more added
Sold out
84
529 more reduced

25 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 1,678 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 2021: $109.6B
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 2021

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2021.

Institutions holding AMT in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Allstate Corp9,440$2.50M0.10%−676−6.7%Reduced
Prospera Financial Services Inc9,391$2.50M0.12%+384+4.3%Added
Kranot Hishtalmut Le Morim Tichoniim Havera Menahelet LTD9,355$2.48M0.45%00.0%Unchanged
Inscription Capital, LLC9,302$2.48M0.78%+6,136+193.8%Added
Altman Advisors, Inc.8,794$2.48M1.37%+14+0.2%Added
Virtu Financial LLC9,320$2.47M0.22%+9,320New
Ledyard National Bank9,214$2.45M0.25%−150−1.6%Reduced
Sumitomo Life Insurance Co9,212$2.44M0.07%−390−4.1%Reduced
Goelzer Investment Management, Inc.9,204$2.44M0.21%−230−2.4%Reduced
Prelude Capital Management, LLC9,170$2.43M0.13%−1,052−10.3%Reduced
AMG National Trust Bank9,037$2.40M0.08%+317+3.6%Added
Pearl River Capital, LLC9,039$2.40M0.65%+9,039New
Los Angeles Capital Management LLC9,000$2.39M0.01%−8,147−47.5%Reduced
CPWM, LLC8,997$2.39M0.22%−1,537−14.6%Reduced
Sigma Planning Corp8,971$2.38M0.07%−200−2.2%Reduced
Hyman Charles D8,950$2.38M0.17%00.0%Unchanged
Toroso Investments, LLC8,877$2.37M0.09%−4,779−35.0%Reduced
Burney Co8,873$2.35M0.11%+3,949+80.2%Added
Journey Advisory Group, LLC8,866$2.35M0.76%−231−2.5%Reduced
Arabesque Asset Management Ltd8,859$2.35M0.79%+6,259+240.7%Added
TrimTabs Asset Management, LLC8,344$2.34M1.14%00.0%Unchanged
Cottage Street Advisors LLC8,728$2.33M1.56%−98−1.1%Reduced
Atom Investors LP8,707$2.31M0.45%+2,169+33.2%Added
Vestmark Advisory Solutions, Inc.8,691$2.31M0.16%−353−3.9%Reduced
Dorsey & Whitney Trust CO LLC8,594$2.28M0.21%+750+9.6%Added
Intrust Bank NA8,582$2.28M0.30%−173−2.0%Reduced
Azzad Asset Management Inc8,576$2.28M0.34%+219+2.6%Added
Westover Capital Advisors, LLC8,556$2.27M0.71%−41−0.5%Reduced
Boit C F David8,510$2.27M1.56%+2,300+37.0%Added
Virtue Capital Management, LLC8,502$2.26M0.40%+336+4.1%Added
Cornerstone Advisory, LLC8,469$2.25M0.37%00.0%Unchanged
Transform Wealth, LLC8,435$2.24M0.26%+150+1.8%Added
Jacobs & Co8,370$2.22M0.26%+10.0%Added
Lincoln National Corp8,346$2.21M0.05%+131+1.6%Added
Anfield Capital Management, LLC8,154$2.16M0.68%+185+2.3%Added
Arden Trust Co8,134$2.16M0.37%+239+3.0%Added
Alta Capital Management LLC8,132$2.16M0.12%−7,474−47.9%Reduced
Belpointe Asset Management LLC8,010$2.13M0.14%+729+10.0%Added
Fayez Sarofim & Co7,983$2.12M0.01%+75+0.9%Added
Meiji Yasuda Asset Management Co Ltd.7,933$2.10M0.15%+77+1.0%Added
IFG Advisory, LLC7,909$2.10M0.23%+302+4.0%Added
Budros, Ruhlin & Roe, Inc.7,894$2.10M0.24%−10.0%Reduced
IndexIQ Advisors LLC7,870$2.09M0.07%+551+7.5%Added
Griffin Asset Management, Inc.7,838$2.08M0.27%+5+0.1%Added
Engineers Gate Manager LP7,826$2.08M0.12%+1,191+18.0%Added
Monetary Management Group Inc7,818$2.08M0.57%+800+11.4%Added
Spirit of America Management Corp7,800$2.07M0.45%+1,650+26.8%Added
Covington Capital Management7,771$2.06M0.08%+55+0.7%Added
Salvus Wealth Management, LLC7,759$2.06M1.68%+368+5.0%Added
Advisor OS, LLC7,729$2.05M0.45%+63+0.8%Added
Two Sigma Investments, LP7,700$2.04M0.01%+7,700New
Cohen Lawrence B7,692$2.04M1.08%−18−0.2%Reduced
Change Path, LLC7,649$2.04M0.12%+972+14.6%Added
YorkBridge Wealth Partners, LLC7,666$2.04M0.51%+204+2.7%Added
Madison Wealth Management7,592$2.02M0.44%+110+1.5%Added
Bradley Foster & Sargent Inc7,573$2.01M0.05%+92+1.2%Added
Great Diamond Partners, LLC7,573$2.01M0.55%+242+3.3%Added
Canal Capital Management, LLC7,536$2.00M0.57%+346+4.8%Added
Meridian Wealth Advisors, LLC7,527$2.00M0.56%+275+3.8%Added
WealthTrust Asset Management, LLC7,526$2.00M1.78%−2,863−27.6%Reduced
Wade G W & Inc7,520$2.00M0.09%−76−1.0%Reduced
Aevitas Wealth Management, Inc.7,429$1.97M1.26%+8+0.1%Added
HighPoint Advisor Group LLC7,398$1.96M0.19%−157−2.1%Reduced
O'Shaughnessy Asset Management, LLC7,389$1.96M0.04%+1,430+24.0%Added
Algert Global LLC7,371$1.96M0.26%+678+10.1%Added
First Business Financial Services, Inc.7,357$1.95M0.22%+119+1.6%Added
Sonora Investment Management, LLC7,214$1.92M0.24%−202−2.7%Reduced
Nicola Wealth Management Ltd.7,210$1.91M0.20%00.0%Unchanged
Minot Wealth Management LLC7,204$1.91M0.41%+424+6.3%Added
Augustine Asset Management Inc7,146$1.90M1.01%+14+0.2%Added
Legacy Wealth Asset Management, LLC7,109$1.89M0.86%−38−0.5%Reduced
Avantax Advisory Services, Inc.7,064$1.88M0.03%+1,822+34.8%Added
Argent Trust Co7,075$1.88M0.12%+286+4.2%Added
Pettyjohn, Wood & White, Inc7,069$1.88M0.42%−55−0.8%Reduced
Heritage Wealth Management, LLC7,066$1.88M0.67%+770+12.2%Added
Varma Mutual Pension Insurance Co7,063$1.87M0.03%00.0%Unchanged
Veriti Management LLC7,031$1.87M0.27%+578+9.0%Added
AlphaCrest Capital Management LLC7,007$1.86M0.10%+5,476+357.7%Added
Canandaigua National Corp7,002$1.86M0.30%−24−0.3%Reduced
Security National Trust Co6,796$1.84M0.43%00.0%Unchanged
Gotham Asset Management, LLC6,909$1.83M0.07%+1,033+17.6%Added
FORA Capital, LLC6,906$1.83M0.46%+6,906New
Capstone Triton Financial Group, LLC6,400$1.82M1.10%−126−1.9%Reduced
Traynor Capital Management, Inc.6,833$1.81M0.25%−151−2.2%Reduced
Community Bank, N.A.6,815$1.81M0.22%00.0%Unchanged
MTM Investment Management, LLC6,784$1.80M0.98%00.0%Unchanged
Keebeck Wealth Management, LLC6,737$1.80M0.35%+1,306+24.0%Added
Fairbanks Capital Management, Inc.6,756$1.79M1.47%+193+2.9%Added
Acorn Financial Advisory Services Inc6,746$1.79M0.55%+303+4.7%Added
Pensionfund DSM Netherlands6,700$1.78M0.23%+6,700New
Kayne Anderson Rudnick Investment Management LLC6,690$1.78M0.00%+334+5.3%Added
BBVA USA6,658$1.77M0.10%−786−10.6%Reduced
Triangle Securities Wealth Management6,633$1.76M0.60%−5−0.1%Reduced
Garrison Point Advisors, LLC6,585$1.75M1.27%00.0%Unchanged
Dynamic Advisor Solutions LLC6,526$1.73M0.13%−123−1.8%Reduced
Regency Capital Management Inc.6,514$1.73M1.22%+23+0.4%Added
First Midwest Bank Trust Division6,497$1.72M0.25%00.0%Unchanged
Godshalk Welsh Capital Management, Inc.6,475$1.72M1.07%00.0%Unchanged
Nations Financial Group Inc,6,442$1.71M0.26%+373+6.1%Added
Hudson Canyon Capital Management6,430$1.71M1.31%−239−3.6%Reduced