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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 2021

Institutional positions in American Tower Corp as of Mar 31, 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
1,613
No complete 13F data for Q4 2020
Shares held
400.8M
No complete 13F data for Q4 2020
Total value
$95.8B
No complete 13F data for Q4 2020

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 2021: 1,613 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 2021: $95.8B
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 2021

Shares, value and share of portfolio for each institution holding American Tower Corp.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding AMT in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Weiss Asset Management LP37,288$8.91M0.26%––
Norinchukin Bank, The36,969$8.84M0.12%––
Oregon Public Employees Retirement Fund36,932$8.83M0.10%––
McCollum Christoferson Group LLC36,901$8.82M2.24%––
Gofen & Glossberg LLC36,686$8.77M0.22%––
Telemus Capital, LLC35,782$8.76M0.60%––
Whittier Trust Co of Nevada Inc36,017$8.61M0.39%––
Lowe Brockenbrough & Co Inc35,840$8.57M0.83%––
Capital International Inc35,583$8.51M0.08%––
Smith Asset Management Group LP35,463$8.48M0.45%––
Cullinan Associates Inc34,851$8.33M0.48%––
Knights of Columbus Asset Advisors LLC34,460$8.24M0.81%––
Daiwa Securities Group Inc.34,137$8.16M0.06%––
Steward Partners Investment Advisory, LLC34,111$8.15M0.14%––
HM Payson & Co34,077$8.15M0.22%––
Maryland State Retirement & Pension System33,813$8.08M0.28%––
HAP Trading, LLC33,773$8.07M0.92%––
Wilbanks Smith & Thomas Asset Management LLC33,766$8.07M0.35%––
FIL Ltd33,739$8.07M0.01%––
Gamble Jones Investment Counsel33,411$7.99M0.54%––
BLB&B Advisors, LLC32,922$7.87M0.62%––
RiverPark Advisors, LLC32,876$7.86M1.30%––
Alexandria Capital, LLC32,731$7.83M0.79%––
Azimuth Capital Management LLC32,668$7.81M0.37%––
Aptus Capital Advisors, LLC32,592$7.79M0.41%––
Bank of the West32,161$7.69M0.87%––
NBW Capital LLC32,058$7.66M2.11%––
Elo Mutual Pension Insurance Co32,047$7.66M0.26%––
Atria Investments LLC32,038$7.66M0.17%––
Adviser Investments LLC31,724$7.58M0.61%––
Gabelli Funds LLC31,613$7.56M0.05%––
Jupiter Wealth Management LLC29,902$7.49M3.78%––
Exencial Wealth Advisors, LLC31,209$7.46M0.44%––
Dai-Ichi Life Insurance Company, Ltd31,145$7.45M0.10%––
Torray LLC31,071$7.43M1.16%––
Doyle Wealth Management30,945$7.40M0.71%––
Capital Fund Management S.A.30,848$7.37M0.25%––
Wilkins Investment Counsel Inc30,603$7.32M1.89%––
Commerce Bank30,467$7.28M0.06%––
Landsberg, Bennett, & Dubbaneh LLC30,302$7.27M1.04%––
Aigen Investment Management, LP30,391$7.26M0.96%––
Oxbow Advisors, LLC30,287$7.24M0.88%––
Cincinnati Specialty Underwriters Insurance CO30,000$7.17M3.11%––
Point72 Asset Management, L.P.30,000$7.17M0.04%––
Segment Wealth Management, LLC29,975$7.17M0.95%––
Bridges Investment Management Inc29,961$7.16M0.21%––
Mirabella Financial Services LLP15,037$7.11M2.23%––
Sowell Financial Services LLC29,005$7.08M0.25%––
Mercer Global Advisors Inc29,540$7.06M0.06%––
ING Groep NV29,423$7.03M0.15%––
CWM Advisors, LLC29,321$7.01M1.07%––
Sumitomo Mitsui DS Asset Management Company, Ltd29,190$6.98M0.18%––
Schonfeld Strategic Advisors LLC29,057$6.95M0.09%––
B. Metzler seel. Sohn & Co. Holding AG28,953$6.92M0.11%––
Univest Financial Corp28,911$6.91M1.95%––
GSI Capital Advisors LLC28,904$6.91M3.04%––
Kesler, Norman & Wride, LLC28,902$6.91M1.71%––
First Horizon Corp28,832$6.89M0.66%––
DuPont Capital Management Corp28,618$6.84M0.16%––
Capital International Sarl28,563$6.83M0.65%––
Knuff & Co LLC28,073$6.71M2.87%––
New Mexico Educational Retirement Board28,068$6.71M0.27%––
Kempen Capital Management N.V.28,056$6.71M0.31%––
Copeland Capital Management, LLC28,040$6.70M0.21%––
Eagle Global Advisors LLC27,905$6.67M0.49%––
Hoylecohen, LLC27,569$6.59M0.67%––
Howard Hughes Medical Institute27,500$6.57M2.24%––
Louisiana State Employees Retirement System27,500$6.57M0.17%––
Heritage Trust Co27,495$6.57M1.00%––
Synergy Financial Management, LLC27,360$6.54M1.96%––
Mariner, LLC27,238$6.51M0.05%––
Amalgamated Bank27,175$6.50M0.24%––
Sargent Bickham Lagudis LLC27,129$6.49M0.57%––
Northstar Asset Management LLC27,022$6.46M1.84%––
W.G. Shaheen & Associates DBA Whitney & Co26,991$6.45M1.13%––
D L Carlson Investment Group Inc26,985$6.45M1.18%––
QS Investors, LLC26,898$6.43M0.08%––
First National Bank of Omaha26,794$6.41M0.33%––
Cushing Asset Management, LP26,790$6.40M0.72%––
FDx Advisors, Inc.26,571$6.35M0.24%––
Los Angeles Capital Management LLC26,411$6.31M0.03%––
Segall Bryant & Hamill, LLC26,121$6.25M0.06%––
Premier Fund Managers Ltd26,311$6.24M0.24%––
FRG Family Wealth Advisors LLC25,957$6.21M1.26%––
Mader & Shannon Wealth Management, Inc.25,944$6.20M3.63%––
L & S Advisors Inc25,864$6.18M0.70%––
Kentucky Retirement Systems25,770$6.16M0.30%––
Artemis Investment Management LLP25,485$6.09M0.06%––
Comerica Securities,inc.25,283$6.04M0.46%––
NJ State Employees Deferred Compensation Plan25,200$6.02M0.86%––
National Asset Management, Inc.25,254$6.01M0.21%––
Simplex Trading, LLC24,779$5.92M0.33%––
NewEdge Wealth, LLC24,568$5.87M0.58%––
Hudson Valley Investment Advisors Inc24,526$5.86M1.05%––
Hills Bank & Trust Co24,237$5.79M0.94%––
BTC Capital Management, Inc.24,187$5.79M0.65%––
Capital Analysts, LLC24,191$5.78M0.40%––
Edgestream Partners, L.P.23,832$5.70M0.32%––
Rafferty Asset Management, LLC23,754$5.68M0.04%––
Girard Partners Ltd.23,705$5.67M0.82%––