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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
Miller Howard Investments Inc22,009$5.26M0.22%––
Bokf, NA22,035$5.27M0.10%––
Makena Capital Management LLC22,104$5.28M0.84%––
Family Capital Trust Co22,192$5.30M1.66%––
Security Asset Management22,590$5.40M2.22%––
Great Lakes Advisors, LLC22,668$5.42M0.09%––
Liberty Capital Management, Inc.22,758$5.44M1.88%––
Crestwood Advisors Group LLC22,902$5.47M0.17%––
GWM Advisors LLC22,974$5.49M0.16%––
Forbes J M & Co LLP22,986$5.50M0.77%––
South Dakota Investment Council23,274$5.56M0.09%––
GEM Realty Capital23,537$5.63M3.68%––
Girard Partners Ltd.23,705$5.67M0.82%––
Rafferty Asset Management, LLC23,754$5.68M0.04%––
Edgestream Partners, L.P.23,832$5.70M0.32%––
Capital Analysts, LLC24,191$5.78M0.40%––
BTC Capital Management, Inc.24,187$5.79M0.65%––
Hills Bank & Trust Co24,237$5.79M0.94%––
Hudson Valley Investment Advisors Inc24,526$5.86M1.05%––
NewEdge Wealth, LLC24,568$5.87M0.58%––
Simplex Trading, LLC24,779$5.92M0.33%––
National Asset Management, Inc.25,254$6.01M0.21%––
NJ State Employees Deferred Compensation Plan25,200$6.02M0.86%––
Comerica Securities,inc.25,283$6.04M0.46%––
Artemis Investment Management LLP25,485$6.09M0.06%––
Kentucky Retirement Systems25,770$6.16M0.30%––
L & S Advisors Inc25,864$6.18M0.70%––
Mader & Shannon Wealth Management, Inc.25,944$6.20M3.63%––
FRG Family Wealth Advisors LLC25,957$6.21M1.26%––
Premier Fund Managers Ltd26,311$6.24M0.24%––
Segall Bryant & Hamill, LLC26,121$6.25M0.06%––
Los Angeles Capital Management LLC26,411$6.31M0.03%––
FDx Advisors, Inc.26,571$6.35M0.24%––
Cushing Asset Management, LP26,790$6.40M0.72%––
First National Bank of Omaha26,794$6.41M0.33%––
QS Investors, LLC26,898$6.43M0.08%––
D L Carlson Investment Group Inc26,985$6.45M1.18%––
W.G. Shaheen & Associates DBA Whitney & Co26,991$6.45M1.13%––
Northstar Asset Management LLC27,022$6.46M1.84%––
Sargent Bickham Lagudis LLC27,129$6.49M0.57%––
Amalgamated Bank27,175$6.50M0.24%––
Mariner, LLC27,238$6.51M0.05%––
Synergy Financial Management, LLC27,360$6.54M1.96%––
Heritage Trust Co27,495$6.57M1.00%––
Howard Hughes Medical Institute27,500$6.57M2.24%––
Louisiana State Employees Retirement System27,500$6.57M0.17%––
Hoylecohen, LLC27,569$6.59M0.67%––
Eagle Global Advisors LLC27,905$6.67M0.49%––
Copeland Capital Management, LLC28,040$6.70M0.21%––
Kempen Capital Management N.V.28,056$6.71M0.31%––
New Mexico Educational Retirement Board28,068$6.71M0.27%––
Knuff & Co LLC28,073$6.71M2.87%––
Capital International Sarl28,563$6.83M0.65%––
DuPont Capital Management Corp28,618$6.84M0.16%––
First Horizon Corp28,832$6.89M0.66%––
Kesler, Norman & Wride, LLC28,902$6.91M1.71%––
GSI Capital Advisors LLC28,904$6.91M3.04%––
Univest Financial Corp28,911$6.91M1.95%––
B. Metzler seel. Sohn & Co. Holding AG28,953$6.92M0.11%––
Schonfeld Strategic Advisors LLC29,057$6.95M0.09%––
Sumitomo Mitsui DS Asset Management Company, Ltd29,190$6.98M0.18%––
CWM Advisors, LLC29,321$7.01M1.07%––
ING Groep NV29,423$7.03M0.15%––
Mercer Global Advisors Inc29,540$7.06M0.06%––
Sowell Financial Services LLC29,005$7.08M0.25%––
Mirabella Financial Services LLP15,037$7.11M2.23%––
Bridges Investment Management Inc29,961$7.16M0.21%––
Segment Wealth Management, LLC29,975$7.17M0.95%––
Cincinnati Specialty Underwriters Insurance CO30,000$7.17M3.11%––
Point72 Asset Management, L.P.30,000$7.17M0.04%––
Oxbow Advisors, LLC30,287$7.24M0.88%––
Aigen Investment Management, LP30,391$7.26M0.96%––
Landsberg, Bennett, & Dubbaneh LLC30,302$7.27M1.04%––
Commerce Bank30,467$7.28M0.06%––
Wilkins Investment Counsel Inc30,603$7.32M1.89%––
Capital Fund Management S.A.30,848$7.37M0.25%––
Doyle Wealth Management30,945$7.40M0.71%––
Torray LLC31,071$7.43M1.16%––
Dai-Ichi Life Insurance Company, Ltd31,145$7.45M0.10%––
Exencial Wealth Advisors, LLC31,209$7.46M0.44%––
Jupiter Wealth Management LLC29,902$7.49M3.78%––
Gabelli Funds LLC31,613$7.56M0.05%––
Adviser Investments LLC31,724$7.58M0.61%––
Atria Investments LLC32,038$7.66M0.17%––
Elo Mutual Pension Insurance Co32,047$7.66M0.26%––
NBW Capital LLC32,058$7.66M2.11%––
Bank of the West32,161$7.69M0.87%––
Aptus Capital Advisors, LLC32,592$7.79M0.41%––
Azimuth Capital Management LLC32,668$7.81M0.37%––
Alexandria Capital, LLC32,731$7.83M0.79%––
RiverPark Advisors, LLC32,876$7.86M1.30%––
BLB&B Advisors, LLC32,922$7.87M0.62%––
Gamble Jones Investment Counsel33,411$7.99M0.54%––
FIL Ltd33,739$8.07M0.01%––
Wilbanks Smith & Thomas Asset Management LLC33,766$8.07M0.35%––
HAP Trading, LLC33,773$8.07M0.92%––
Maryland State Retirement & Pension System33,813$8.08M0.28%––
HM Payson & Co34,077$8.15M0.22%––
Steward Partners Investment Advisory, LLC34,111$8.15M0.14%––
Daiwa Securities Group Inc.34,137$8.16M0.06%––