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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
Strategic Blueprint, LLC12,834$3.07M0.65%––
Coldstream Capital Management Inc12,912$3.09M0.18%––
Transcend Wealth Collective, LLC12,928$3.09M0.37%––
Hemenway Trust Co LLC13,034$3.12M0.34%––
Autus Asset Management, LLC13,095$3.13M0.37%––
Phocas Financial Corp.13,160$3.15M0.41%––
TD Private Client Wealth LLC13,270$3.17M0.15%––
Foster & Motley Inc13,275$3.17M0.29%––
Bragg Financial Advisors, Inc13,337$3.19M0.21%––
Simmons Bank13,360$3.19M0.24%––
Earnest Partners LLC13,494$3.23M0.02%––
Enterprise Bank & Trust Co13,518$3.23M1.36%––
Benjamin F. Edwards & Company, Inc.13,547$3.24M0.17%––
Sterling Investment Advisors, Ltd.13,625$3.26M1.05%––
World Asset Management Inc12,836$3.27M0.29%––
Condor Capital Management13,777$3.29M0.39%––
Hotaling Investment Management, LLC13,825$3.31M1.48%––
Virtu Financial LLC13,927$3.33M0.24%––
American Portfolios Advisors14,063$3.36M0.15%––
Slow Capital, Inc.14,070$3.36M0.73%––
Perkins Coie Trust Co14,202$3.40M1.13%––
Brown Miller Wealth Management, LLC14,412$3.44M2.44%––
Silvercrest Asset Management Group LLC14,516$3.47M0.02%––
Alta Capital Management LLC14,526$3.47M0.11%––
Pinnacle Financial Partners Inc14,659$3.49M0.16%––
Sand Hill Global Advisors, LLC14,697$3.51M0.23%––
Consolidated Investment Group LLC14,700$3.51M0.77%––
Wealthfront Advisers LLC14,751$3.53M0.02%––
Advisory Services Network, LLC14,760$3.53M0.13%––
Linscomb & Williams, Inc.14,785$3.53M0.19%––
IBM Retirement Fund14,990$3.58M0.25%––
Brown Advisory Securities, LLC15,071$3.60M0.61%––
Avitas Wealth Management LLC15,085$3.61M0.71%––
Banco Bilbao Vizcaya Argentaria, S.A.15,119$3.62M0.07%––
Riverpark Capital Management LLC15,197$3.63M1.63%––
Veritable, L.P.15,202$3.63M0.06%––
Family Management Corp15,255$3.65M1.15%––
Park Avenue Securities LLC15,358$3.67M0.09%––
Congress Asset Management Co15,419$3.69M0.03%––
De Burlo Group Inc15,420$3.69M0.66%––
Anson Funds Management LP15,500$3.71M0.53%––
Advisor Partners LLC15,628$3.74M0.27%––
Cigna Investments Inc16,022$3.83M0.26%––
Frontier Wealth Management LLC16,081$3.84M0.30%––
Lincluden Management Ltd16,094$3.85M0.37%––
Panagora Asset Management Inc16,162$3.86M0.02%––
Bremer Bank National Association16,175$3.87M0.88%––
Picton Mahoney Asset Management16,201$3.87M0.19%––
Meeder Asset Management Inc16,245$3.88M0.20%––
Eastern Bank16,254$3.89M0.21%––
Integrated Advisors Network LLC16,284$3.89M0.36%––
TFG Advisers LLC16,298$3.90M2.01%––
Swaine & Leidel Wealth Services, LLC16,539$3.95M2.55%––
Kingsview Wealth Management, LLC16,480$3.96M0.23%––
Broadleaf Partners, LLC16,563$3.96M1.49%––
Jag Capital Management, LLC16,870$4.03M0.36%––
Wealthstreet Investment Advisors, LLC17,068$4.08M0.40%––
Epiq Partners, LLC17,483$4.18M2.39%––
Acadian Asset Management LLC17,524$4.19M0.02%––
Union Bancaire Privee Asset Management LLC17,572$4.20M2.22%––
Argus Investors' Counsel, Inc.17,826$4.26M1.72%––
Charter Trust Co17,837$4.26M0.41%––
Kovitz Investment Group Partners, LLC17,847$4.27M0.10%––
E. Ohman J:or Asset Management AB18,050$4.32M0.16%––
Hantz Financial Services, Inc.18,085$4.32M0.18%––
Cresset Asset Management, LLC18,246$4.36M0.07%––
Caisse de Depot Et Placement du Quebec18,283$4.37M0.01%––
Front Barnett Associates LLC18,303$4.38M0.49%––
Schmidt P J Investment Management Inc17,538$4.39M0.92%––
ARS Investment Partners, LLC18,488$4.42M0.51%––
PFS Investments Inc.18,583$4.44M0.11%––
Siemens Fonds Invest GmbH18,607$4.45M0.43%––
Kinneret Advisory, LLC18,685$4.47M0.57%––
Moreno Evelyn V18,819$4.50M1.07%––
Amica Mutual Insurance Co18,952$4.53M0.52%––
Trellus Management Company, LLC19,000$4.54M5.23%––
Pinebridge Investments, L.P.19,051$4.55M0.06%––
SG Americas Securities, LLC19,059$4.56M0.03%––
Rosenblum Silverman Sutton S F Inc19,188$4.59M1.18%––
Engineers Gate Manager LP19,199$4.59M0.23%––
Atlantic Trust, LLC19,402$4.64M3.43%––
Logan Capital Management Inc19,489$4.66M0.23%––
Balyasny Asset Management LLC19,495$4.66M0.03%––
Northcape Capital Pty Ltd19,620$4.69M0.54%––
IFP Advisors, Inc19,630$4.70M0.09%––
Flputnam Investment Management Co19,726$4.72M0.21%––
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH19,744$4.72M0.47%––
RBF Capital, LLC20,000$4.78M0.30%––
Penobscot Investment Management Company, Inc.20,053$4.79M0.76%––
Carderock Capital Management Inc20,071$4.80M1.43%––
Colony Group LLC20,139$4.81M0.10%––
Northwestern Mutual Investment Management Company, LLC20,147$4.82M0.08%––
American Money Management, LLC20,623$4.93M1.84%––
Harbor Investment Advisory, LLC20,662$4.94M0.74%––
Waverton Investment Management Ltd20,730$4.96M0.22%––
Fragasso Group Inc.20,755$4.96M0.70%––
FineMark National Bank & Trust20,819$4.98M0.21%––
Stratos Wealth Partners, LTD.21,371$5.11M0.14%––
Mattern Capital Management, LLC21,476$5.13M1.11%––
Bridgecreek Investment Management, LLC21,550$5.15M0.80%––