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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
Engine No. 1 LLC2,448$650.0K0.17%+997+68.7%Added
Davy Global Fund Management Ltd2,468$655.0K0.10%00.0%Unchanged
Schwarz Dygos Wheeler Investment Advisors LLC2,475$657.0K0.24%+125+5.3%Added
IHT Wealth Management, LLC2,483$659.0K0.05%−2,583−51.0%Reduced
Defined Wealth Management, LLC2,485$660.0K0.59%00.0%Unchanged
Enlightenment Research, LLC2,500$664.0K0.81%+2,500New
Solstein Capital, LLC2,507$665.0K0.39%+1,567+166.7%Added
Migdal Insurance & Financial Holdings Ltd.2,519$669.0K0.01%00.0%Unchanged
Stokes Family Office, LLC2,520$669.0K0.09%+78+3.2%Added
Hancock Whitney Corp2,531$672.0K0.02%−162−6.0%Reduced
Capital Investment Advisory Services, LLC2,537$673.0K0.09%+78+3.2%Added
Zions Bancorporation, N.A.2,537$673.0K0.07%+131+5.4%Added
First United Bank Trust2,541$674.0K0.27%+55+2.2%Added
Dakota Wealth Management2,547$676.0K0.08%+644+33.8%Added
Rbo & Co LLC2,549$677.0K0.12%00.0%Unchanged
Town & Country Bank & Trust CO dba First Bankers Trust CO2,563$680.0K0.34%+1,082+73.1%Added
Erste Asset Management GmbH2,545$685.2K0.01%+117+4.8%Added
RMR Wealth Builders2,583$686.0K0.20%+3+0.1%Added
Founders Financial Alliance, LLC2,594$689.0K0.32%+78+3.1%Added
Golden State Wealth Management, LLC2,626$697.0K0.15%+26+1.0%Added
Radnor Capital Management, LLC2,638$700.0K0.42%+700+36.1%Added
Naples Global Advisors, LLC2,639$701.0K0.09%+10.0%Added
SRS Capital Advisors, Inc.2,655$705.0K0.10%+49+1.9%Added
Savant Capital, LLC2,659$706.0K0.03%+61+2.3%Added
Financial Architects, Inc2,660$706.0K0.10%+830+45.4%Added
J.W. Cole Advisors, Inc.2,676$710.0K0.05%−191−6.7%Reduced
West Paces Advisors Inc.2,681$711.6K0.25%+239+9.8%Added
Buckingham Capital Management, Inc.2,700$717.0K0.12%00.0%Unchanged
Becker Capital Management Inc2,702$717.0K0.03%+65+2.5%Added
Miracle Mile Advisors, LLC2,705$718.0K0.03%−44−1.6%Reduced
Garrett Investment Advisors LLC2,704$718.0K0.23%+60+2.3%Added
Ballentine Partners, LLC2,713$721.0K0.02%−16−0.6%Reduced
Mark Asset Management LP2,723$723.0K0.11%+5+0.2%Added
Woodstock Corp2,742$728.0K0.08%00.0%Unchanged
James Hambro & Partners2,742$728.0K0.05%+2,000+269.5%Added
Lincoln Capital LLC2,751$730.0K0.20%00.0%Unchanged
ARGI Investment Services, LLC2,749$730.0K0.02%+358+15.0%Added
Pallas Capital Advisors LLC2,603$730.0K0.08%+1,684+183.2%Added
Wealthsource Partners, LLC2,753$731.0K0.06%−135−4.7%Reduced
Forte Capital LLC2,755$731.0K0.10%+17+0.6%Added
Twin Capital Management Inc2,780$738.0K0.08%−1,055−27.5%Reduced
Bellecapital International Ltd.2,797$742.0K0.23%+27+1.0%Added
Rosenbaum Jay D.2,806$745.0K1.24%−12−0.4%Reduced
Navalign, LLC2,806$745.0K0.32%+82+3.0%Added
Heck Capital Advisors, LLC2,822$749.0K0.15%−50−1.7%Reduced
Exane Derivatives2,829$750.9K0.19%+887+45.7%Added
Accretive Wealth Partners, LLC2,875$763.0K0.54%+157+5.8%Added
Ashton Thomas Private Wealth, LLC2,876$763.3K0.11%+1,616+128.3%Added
Carroll Financial Associates, Inc.2,881$764.0K0.04%+9+0.3%Added
Sawtooth Solutions, LLC2,882$765.0K0.12%+299+11.6%Added
Fulcrum Asset Management LLP–$765.0K0.38%–New
Caxton Corp2,894$768.0K0.62%−2−0.1%Reduced
Essex Financial Services, Inc.2,893$768.0K0.09%+678+30.6%Added
Almanack Investment Partners, LLC.2,902$774.0K0.07%+113+4.1%Added
Compton Wealth Advisory Group, LLC2,918$775.0K0.36%−225−7.2%Reduced
Qtron Investments LLC2,922$776.0K0.21%+902+44.7%Added
Blueprint Investment Partners LLC2,928$777.0K0.39%+2,928New
Magnus Financial Group LLC2,930$778.0K0.16%+3+0.1%Added
Focus Financial Network, Inc.2,919$778.6K0.10%+219+8.1%Added
BancorpSouth Bank2,934$779.0K0.11%+50+1.7%Added
CenterStar Asset Management, LLC–$780.0K0.61%––
Prudent Man Advisors, LLC2,952$783.0K0.30%00.0%Unchanged
Arrow Financial Corp2,955$784.0K0.10%−380−11.4%Reduced
Patron Partners Advisors, LLC2,970$788.0K0.58%−2−0.1%Reduced
Field & Main Bank2,980$791.0K0.52%−80−2.6%Reduced
Cerro Pacific Wealth Advisors LLC2,983$792.0K0.57%+1,776+147.1%Added
Bristlecone Advisors, LLC2,992$794.0K0.10%−15−0.5%Reduced
TownSquare Capital, LLC2,997$795.0K0.02%+699+30.4%Added
Needham Investment Management LLC3,000$796.0K0.11%+450+17.6%Added
Headinvest, LLC3,003$797.0K0.15%+208+7.4%Added
Kovack Advisors, Inc.3,020$802.0K0.09%+337+12.6%Added
Illinois Municipal Retirement Fund3,027$803.0K0.03%00.0%Unchanged
Schnieders Capital Management LLC3,061$812.0K0.22%+6+0.2%Added
NEXT Financial Group, Inc3,068$815.0K0.06%+249+8.8%Added
Ironsides Asset Advisors, LLC3,102$823.0K0.26%00.0%Unchanged
North Star Investment Management Corp.3,100$823.0K0.07%00.0%Unchanged
PEAK6 Investments LLC3,123$829.0K0.02%−2,188−41.2%Reduced
American Investment Services, Inc.3,144$834.0K0.19%00.0%Unchanged
CAPROCK Group, Inc.3,134$836.0K0.07%−728−18.9%Reduced
Venturi Wealth Management, LLC3,159$838.0K0.07%−68−2.1%Reduced
Principle Wealth Partners LLC3,166$840.0K0.10%00.0%Unchanged
Eqis Capital Management, Inc.3,179$844.0K0.06%−318−9.1%Reduced
Chicago Capital, LLC3,194$848.0K0.03%+14+0.4%Added
Fosun International Ltd3,141$848.0K0.04%00.0%Unchanged
First Affirmative Financial Network3,217$854.0K0.88%+3,217New
StrongBox Wealth, LLC3,226$856.0K0.48%−43−1.3%Reduced
Capital Asset Advisory Services LLC3,270$872.0K0.10%+1,889+136.8%Added
Horst & Graben Wealth Management LLC3,305$877.0K0.24%00.0%Unchanged
Magnetar Financial LLC3,308$878.0K0.01%+3,308New
Wall Street Access Asset Management, LLC3,317$880.0K0.39%+3,317New
Avestar Capital, LLC3,322$882.0K0.17%00.0%Unchanged
Peregrine Capital Management LLC3,334$885.0K0.02%00.0%Unchanged
Holocene Advisors, LP3,339$886.0K0.01%+3,339New
Baker Tilly Wealth Management, LLC3,363$893.0K0.12%+587+21.1%Added
CNB Bank3,387$898.0K0.54%+128+3.9%Added
V Wealth Advisors LLC3,405$904.0K0.14%−249−6.8%Reduced
Resources Investment Advisors, LLC.3,431$911.0K0.04%+746+27.8%Added
Shorepoint Capital Partners LLC3,450$916.0K0.41%+3,450New
Main Street Financial Solutions, LLC3,467$920.0K0.14%+192+5.9%Added
First Foundation Advisors3,467$920.0K0.03%+276+8.6%Added