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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
GEM Realty Capital23,537$5.63M3.68%––
South Dakota Investment Council23,274$5.56M0.09%––
Forbes J M & Co LLP22,986$5.50M0.77%––
GWM Advisors LLC22,974$5.49M0.16%––
Crestwood Advisors Group LLC22,902$5.47M0.17%––
Liberty Capital Management, Inc.22,758$5.44M1.88%––
Great Lakes Advisors, LLC22,668$5.42M0.09%––
Security Asset Management22,590$5.40M2.22%––
Family Capital Trust Co22,192$5.30M1.66%––
Makena Capital Management LLC22,104$5.28M0.84%––
Bokf, NA22,035$5.27M0.10%––
Miller Howard Investments Inc22,009$5.26M0.22%––
Bridgecreek Investment Management, LLC21,550$5.15M0.80%––
Mattern Capital Management, LLC21,476$5.13M1.11%––
Stratos Wealth Partners, LTD.21,371$5.11M0.14%––
FineMark National Bank & Trust20,819$4.98M0.21%––
Fragasso Group Inc.20,755$4.96M0.70%––
Waverton Investment Management Ltd20,730$4.96M0.22%––
Harbor Investment Advisory, LLC20,662$4.94M0.74%––
American Money Management, LLC20,623$4.93M1.84%––
Northwestern Mutual Investment Management Company, LLC20,147$4.82M0.08%––
Colony Group LLC20,139$4.81M0.10%––
Carderock Capital Management Inc20,071$4.80M1.43%––
Penobscot Investment Management Company, Inc.20,053$4.79M0.76%––
RBF Capital, LLC20,000$4.78M0.30%––
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH19,744$4.72M0.47%––
Flputnam Investment Management Co19,726$4.72M0.21%––
IFP Advisors, Inc19,630$4.70M0.09%––
Northcape Capital Pty Ltd19,620$4.69M0.54%––
Balyasny Asset Management LLC19,495$4.66M0.03%––
Logan Capital Management Inc19,489$4.66M0.23%––
Atlantic Trust, LLC19,402$4.64M3.43%––
Engineers Gate Manager LP19,199$4.59M0.23%––
Rosenblum Silverman Sutton S F Inc19,188$4.59M1.18%––
SG Americas Securities, LLC19,059$4.56M0.03%––
Pinebridge Investments, L.P.19,051$4.55M0.06%––
Trellus Management Company, LLC19,000$4.54M5.23%––
Amica Mutual Insurance Co18,952$4.53M0.52%––
Moreno Evelyn V18,819$4.50M1.07%––
Kinneret Advisory, LLC18,685$4.47M0.57%––
Siemens Fonds Invest GmbH18,607$4.45M0.43%––
PFS Investments Inc.18,583$4.44M0.11%––
ARS Investment Partners, LLC18,488$4.42M0.51%––
Schmidt P J Investment Management Inc17,538$4.39M0.92%––
Front Barnett Associates LLC18,303$4.38M0.49%––
Caisse de Depot Et Placement du Quebec18,283$4.37M0.01%––
Cresset Asset Management, LLC18,246$4.36M0.07%––
Hantz Financial Services, Inc.18,085$4.32M0.18%––
E. Ohman J:or Asset Management AB18,050$4.32M0.16%––
Kovitz Investment Group Partners, LLC17,847$4.27M0.10%––
Charter Trust Co17,837$4.26M0.41%––
Argus Investors' Counsel, Inc.17,826$4.26M1.72%––
Union Bancaire Privee Asset Management LLC17,572$4.20M2.22%––
Acadian Asset Management LLC17,524$4.19M0.02%––
Epiq Partners, LLC17,483$4.18M2.39%––
Wealthstreet Investment Advisors, LLC17,068$4.08M0.40%––
Jag Capital Management, LLC16,870$4.03M0.36%––
Broadleaf Partners, LLC16,563$3.96M1.49%––
Kingsview Wealth Management, LLC16,480$3.96M0.23%––
Swaine & Leidel Wealth Services, LLC16,539$3.95M2.55%––
TFG Advisers LLC16,298$3.90M2.01%––
Integrated Advisors Network LLC16,284$3.89M0.36%––
Eastern Bank16,254$3.89M0.21%––
Meeder Asset Management Inc16,245$3.88M0.20%––
Picton Mahoney Asset Management16,201$3.87M0.19%––
Bremer Bank National Association16,175$3.87M0.88%––
Panagora Asset Management Inc16,162$3.86M0.02%––
Lincluden Management Ltd16,094$3.85M0.37%––
Frontier Wealth Management LLC16,081$3.84M0.30%––
Cigna Investments Inc16,022$3.83M0.26%––
Advisor Partners LLC15,628$3.74M0.27%––
Anson Funds Management LP15,500$3.71M0.53%––
Congress Asset Management Co15,419$3.69M0.03%––
De Burlo Group Inc15,420$3.69M0.66%––
Park Avenue Securities LLC15,358$3.67M0.09%––
Family Management Corp15,255$3.65M1.15%––
Veritable, L.P.15,202$3.63M0.06%––
Riverpark Capital Management LLC15,197$3.63M1.63%––
Banco Bilbao Vizcaya Argentaria, S.A.15,119$3.62M0.07%––
Avitas Wealth Management LLC15,085$3.61M0.71%––
Brown Advisory Securities, LLC15,071$3.60M0.61%––
IBM Retirement Fund14,990$3.58M0.25%––
Linscomb & Williams, Inc.14,785$3.53M0.19%––
Advisory Services Network, LLC14,760$3.53M0.13%––
Wealthfront Advisers LLC14,751$3.53M0.02%––
Consolidated Investment Group LLC14,700$3.51M0.77%––
Sand Hill Global Advisors, LLC14,697$3.51M0.23%––
Pinnacle Financial Partners Inc14,659$3.49M0.16%––
Alta Capital Management LLC14,526$3.47M0.11%––
Silvercrest Asset Management Group LLC14,516$3.47M0.02%––
Brown Miller Wealth Management, LLC14,412$3.44M2.44%––
Perkins Coie Trust Co14,202$3.40M1.13%––
Slow Capital, Inc.14,070$3.36M0.73%––
American Portfolios Advisors14,063$3.36M0.15%––
Virtu Financial LLC13,927$3.33M0.24%––
Hotaling Investment Management, LLC13,825$3.31M1.48%––
Condor Capital Management13,777$3.29M0.39%––
World Asset Management Inc12,836$3.27M0.29%––
Sterling Investment Advisors, Ltd.13,625$3.26M1.05%––
Benjamin F. Edwards & Company, Inc.13,547$3.24M0.17%––