Skip to main content

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
Knights of Columbus Asset Advisors LLC34,460$8.24M0.81%––
Cullinan Associates Inc34,851$8.33M0.48%––
Smith Asset Management Group LP35,463$8.48M0.45%––
Capital International Inc35,583$8.51M0.08%––
Lowe Brockenbrough & Co Inc35,840$8.57M0.83%––
Whittier Trust Co of Nevada Inc36,017$8.61M0.39%––
Telemus Capital, LLC35,782$8.76M0.60%––
Gofen & Glossberg LLC36,686$8.77M0.22%––
McCollum Christoferson Group LLC36,901$8.82M2.24%––
Oregon Public Employees Retirement Fund36,932$8.83M0.10%––
Norinchukin Bank, The36,969$8.84M0.12%––
Weiss Asset Management LP37,288$8.91M0.26%––
Nippon Life Global Investors Americas, Inc.37,460$8.95M0.49%––
Sandy Spring Bank37,907$9.06M0.52%––
United Asset Strategies, Inc.37,977$9.08M1.32%––
Umb Bank N A38,972$9.32M0.23%––
Selkirk Management LLC39,150$9.36M3.08%––
Ilmarinen Mutual Pension Insurance Co39,500$9.44M0.11%––
Stephens Inc39,506$9.44M0.16%––
Park National Corp39,758$9.51M0.42%––
Capital Growth Management LP40,000$9.56M0.87%––
Aristotle Atlantic Partners, LLC40,000$9.56M0.70%––
1623 Capital LLC40,000$9.56M4.35%––
Fiduciary Group LLC37,808$9.63M1.17%––
Cambridge Investment Research Advisors, Inc.40,484$9.68M0.05%––
TPI Fund Managers Ltd40,509$9.68M1.51%––
Grand Jean Capital Management Inc40,627$9.71M2.57%––
Crossmark Global Holdings, Inc.41,149$9.84M0.24%––
Lazard Asset Management LLC41,420$9.90M0.01%––
First Long Island Investors, LLC41,724$9.97M0.89%––
Richard C. Young & CO., LTD.42,060$10.1M1.34%––
MML Investors Services, LLC42,262$10.1M0.10%––
CIBC World Markets Corp42,370$10.1M0.06%––
Public Sector Pension Investment Board42,443$10.1M0.07%––
B&I Capital AG42,785$10.2M2.97%––
Cetera Advisors LLC43,478$10.4M0.29%––
Northwest & Ethical Investments L.P.43,743$10.5M0.37%––
Kelly Lawrence W & Associates Inc44,110$10.5M2.50%––
Taylor Wealth Management Partners44,160$10.6M3.85%––
Twin Tree Management, LP44,493$10.6M0.40%––
BP PLC44,521$10.6M0.37%––
Gradient Investments LLC44,608$10.7M0.35%––
Princeton Capital Management LLC44,943$10.7M3.63%––
Andra AP-fonden45,000$10.8M0.24%––
Wolverine Trading, LLC45,857$10.9M0.21%––
Foster Victor Wealth Advisors, LLC44,903$10.9M2.03%––
Brightworth46,609$11.1M1.03%––
Creative Planning46,877$11.2M0.02%––
Trust Co of Vermont47,157$11.3M0.84%––
Novare Capital Management LLC47,312$11.3M1.36%––
IFM Investors Pty Ltd47,525$11.4M0.30%––
Princeton Portfolio Strategies Group LLC47,833$11.4M2.22%––
Huntington National Bank48,298$11.5M0.14%––
Wendell David Associates Inc48,748$11.7M1.40%––
Parsons Capital Management Inc49,887$11.9M0.98%––
Mirae Asset Global Investments Co., Ltd.49,921$11.9M0.04%––
Archon Partners LLC50,000$12.0M1.67%––
Hartford Investment Management Co50,243$12.0M0.32%––
JLP Asset Management, LLC50,900$12.2M7.76%––
Intact Investment Management Inc.51,700$12.4M0.37%––
Markel Group Inc.SuperinvestorMarkel Group51,730$12.4M0.17%––
Grassi Investment Management51,857$12.4M1.41%––
Tower Research Capital LLC (TRC)52,452$12.5M0.21%––
Motley Fool Asset Management LLC54,232$13.0M0.94%––
Banco Santander, S.A.54,279$13.0M0.09%––
Federation des caisses Desjardins du Quebec54,430$13.0M0.14%––
Martingale Asset Management L P54,437$13.0M0.15%––
FourThought Financial, LLC54,668$13.1M1.89%––
Manor Road Capital Partners, LLC55,000$13.1M10.70%––
Brasada Capital Management, LP55,293$13.2M2.86%––
Private Advisor Group, LLC55,461$13.3M0.13%––
Badgley Phelps & Bell Inc55,837$13.3M0.55%––
Cambridge Trust Co56,547$13.5M0.55%––
Skylands Capital, LLC56,700$13.6M1.73%––
LVM Capital Management Ltd56,974$13.6M2.21%––
B. Riley Wealth Management, Inc.57,804$13.8M1.62%––
Swiss Life Asset Management Ltd57,904$13.8M0.20%––
Clark Capital Management Group, Inc.58,027$13.9M0.21%––
Synovus Financial Corp58,361$14.0M0.16%––
Cerity Partners LLC58,638$14.0M0.33%––
DnB Asset Management AS59,007$14.1M0.10%––
Van Eck Associates Corp59,084$14.1M0.04%––
Achmea Investment Management B.V.59,281$14.2M0.49%––
Wallington Asset Management, LLC59,523$14.2M2.60%––
Cincinnati Insurance Co60,000$14.3M0.30%––
North American Management Corp60,278$14.4M1.95%––
Cobblestone Capital Advisors LLC60,573$14.5M1.05%––
Jones Financial Companies LLLP60,955$14.6M0.02%––
Fairview Capital Investment Management, LLC61,092$14.6M0.52%––
Fiduciary Trust Co61,588$14.7M0.30%––
Mutual of America Capital Management LLC61,625$14.7M0.15%––
AO Asset Management, LP63,142$15.1M1.14%––
Tudor Investment Corp Et Al63,348$15.1M0.32%––
Shell Asset Management Co63,443$15.2M0.30%––
Appleton Partners Inc63,499$15.2M1.41%––
Beaumont Financial Partners, LLC64,302$15.4M1.30%––
Dana Investment Advisors, Inc.64,631$15.5M0.71%––
Group One Trading, L.P.64,761$15.5M0.34%––
Redpoint Investment Management Pty Ltd65,152$15.6M1.32%––
Adell Harriman & Carpenter Inc65,696$15.7M1.91%––