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Livermore
ZHEN

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 2025

Institutional positions in American Tower Corp as of Sep 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
1,799
−24 vs. Q2 2025
Shares held
429.3M
−648.5K (−0.2%) vs. Q2 2025
Total value
$82.5B
−$12.4B (−13.1%) vs. Q2 2025
New holders
132
648 more added
Sold out
156
751 more reduced

29 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,799 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 2025: $82.5B
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, Q3 2025

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2025.

Institutions holding AMT in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Hanson & Doremus Investment Management73$14.0K0.00%+73New
Scarborough Advisors, LLC73$14.0K0.00%+1+1.4%Added
Transamerica Financial Advisors, Inc.72$13.9K0.00%+70+3,500.0%Added
Tortoise Investment Management, LLC72$13.8K0.00%00.0%Unchanged
Pacific Center for Financial Services70$13.5K0.00%00.0%Unchanged
Aster Capital Management (DIFC) Ltd69$13.3K0.01%+69New
Frazier Financial Advisors, LLC68$13.1K0.01%00.0%Unchanged
Avion Wealth68$13.0K0.00%−11−13.9%Reduced
Toth Financial Advisory Corp67$12.9K0.00%00.0%Unchanged
VSM Wealth Advisory, LLC66$12.7K0.00%−90−57.7%Reduced
Financial Freedom, LLC63$12.1K0.01%00.0%Unchanged
Financial Avengers, Inc.60$11.5K0.00%+1+1.7%Added
Bellevue Asset Management, LLC56$10.8K0.00%+1+1.8%Added
Sofos Investments, Inc.53$10.2K0.00%+53New
Kentucky Trust Co52$10.0K0.01%00.0%Unchanged
Cherry Tree Wealth Management, LLC51$9.81K0.00%00.0%Unchanged
Financial Perspectives, Inc50$9.62K0.00%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC50$9.62K0.00%+50New
Longview Financial Advisors LLC47$9.04K0.01%00.0%Unchanged
First PREMIER Bank47$9.00K0.00%00.0%Unchanged
WealthCollab, LLC46$8.85K0.00%00.0%Unchanged
Kilter Group LLC46$8.85K0.00%+5+12.2%Added
Guerra Advisors Inc46$8.85K0.00%+46New
West Oak Capital, LLC45$8.70K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.45$8.65K0.00%−100−69.0%Reduced
First United Bank Trust45$8.65K0.00%00.0%Unchanged
Maseco LLP45$8.65K0.00%+45New
Silicon Valley Capital Partners44$8.54K0.00%−1,003−95.8%Reduced
Red Tortoise LLC44$8.46K0.00%00.0%Unchanged
Bare Financial Services, Inc44$8.46K0.00%+2+4.8%Added
ORG Wealth Partners, LLC43$8.27K0.00%+33+330.0%Added
Marquette Asset Management, LLC41$7.89K0.00%+41New
Dunhill Financial, LLC41$7.79K0.00%−3−6.8%Reduced
Boreal Capital Management LLC40$7.76K0.01%+40New
New Millennium Group LLC40$7.69K0.00%00.0%Unchanged
Wealth Preservation Advisors, LLC40$7.69K0.00%+1+2.6%Added
Hughes Financial Services, LLC42$7.55K0.00%−23−35.4%Reduced
Barrett & Company, Inc.39$7.50K0.00%00.0%Unchanged
Duncker Streett & Co Inc39$7.50K0.00%00.0%Unchanged
Nemes Rush Group LLC39$7.50K0.00%+20+105.3%Added
Signature Resources Capital Management, LLC37$7.12K0.00%00.0%Unchanged
PFS Partners, LLC36$6.98K0.00%00.0%Unchanged
SWAN Capital LLC36$6.92K0.00%−12−25.0%Reduced
Atlantic Edge Private Wealth Management, LLC35$6.73K0.00%00.0%Unchanged
Albion Financial Group34$6.54K0.00%00.0%Unchanged
CGC Financial Services, LLC32$6.15K0.00%00.0%Unchanged
Noble Wealth Management PBC32$6.15K0.00%+32New
New England Capital Financial Advisors LLC31$5.91K0.00%00.0%Unchanged
HFM Investment Advisors, LLC27$5.19K0.00%00.0%Unchanged
Dogwood Wealth Management LLC26$5.00K0.00%−39−60.0%Reduced
Keener Financial Planning LLC30$5.00K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.24$4.89K0.00%00.0%Unchanged
Clear Investment Research, LLC25$4.81K0.01%+1+4.2%Added
Minot DeBlois Advisors LLC25$4.81K0.00%00.0%Unchanged
Copia Wealth Management25$4.81K0.00%00.0%Unchanged
MJT & Associates Financial Advisory Group, Inc.25$4.81K0.00%+8+47.1%Added
WPG Advisers, LLC24$4.62K0.00%00.0%Unchanged
TFC Financial Management23$4.42K0.00%00.0%Unchanged
True Wealth Design, LLC23$4.39K0.00%−9−28.1%Reduced
Halbert Hargrove Global Advisors, LLC22$4.23K0.00%+22New
ESL Trust Services, LLC21$4.04K0.00%+21New
Clark Wealth Partners22$3.86K0.00%−28−56.0%Reduced
Redmont Wealth Advisors LLC20$3.85K0.01%00.0%Unchanged
JDM Financial Group LLC20$3.85K0.00%00.0%Unchanged
Compass Financial Services Inc18$3.46K0.00%00.0%Unchanged
Wealth Watch Advisors, INC18$3.46K0.00%+18New
Alexis Investment Partners, LLC18$3.46K0.00%+18New
Principia Wealth Advisory, LLC17$3.27K0.00%−4−19.0%Reduced
NVWM, LLC17$3.26K0.00%−4−19.0%Reduced
Trifecta Capital Advisors, LLC16$3.08K0.00%00.0%Unchanged
Tripletail Wealth Management, LLC16$2.96K0.00%+16New
United Community Bank15$2.88K0.00%−35−70.0%Reduced
Texas Capital Bancshares Inc15$2.88K0.00%+15New
Kozak & Associates, Inc.15$2.65K0.00%−257−94.5%Reduced
Pacifica Partners Inc.13$2.51K0.00%−1−7.1%Reduced
Boyd Watterson Asset Management LLC13$2.50K0.00%00.0%Unchanged
First Command Advisory Services, Inc.12$2.31K0.00%00.0%Unchanged
Caitlin John, LLC11$2.13K0.00%+11New
Alpine Bank Wealth Management11$2.12K0.00%00.0%Unchanged
TSFG, LLC9$2.00K0.00%+9New
American Capital Advisory, LLC10$1.92K0.00%−1−9.1%Reduced
DecisionPoint Financial, LLC9$1.74K0.00%00.0%Unchanged
Addison Advisors LLC9$1.73K0.00%00.0%Unchanged
Quaker Wealth Management, LLC8$1.54K0.00%00.0%Unchanged
E Fund Management (Hong Kong) Co., Ltd.6$1.15K0.00%+6New
Caldwell Sutter Capital, Inc.5$9620.00%−10−66.7%Reduced
LGT Financial Advisors LLC5$9620.00%00.0%Unchanged
Friedenthal Financial4$7700.00%00.0%Unchanged
Stuart Chaussee & Associates, Inc.3$5770.00%00.0%Unchanged
Horizon Financial Services, LLC3$5770.00%+1+50.0%Added
Breakwater Investment Management2$3850.00%00.0%Unchanged
Bridge Generations Wealth Management LLC2$3850.00%00.0%Unchanged
Davis Capital Management2$3850.00%+2New
Redwood Park Advisors LLC1$1930.00%00.0%Unchanged
ROSS\JOHNSON & Associates LLC1$1920.00%00.0%Unchanged
Country Trust Bank1$1920.00%+1New
Clean Yield Group1$1810.00%00.0%Unchanged
Retirement Wealth Solutions LLC0$220.00%0Unchanged
FJ Capital Management LLC3,507––+1,749+99.5%Added
Viking Global Investors LPSuperinvestorViking Global Investors0$00.00%−2,797,125−100.0%Sold out