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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
Oppenheimer & Co Inc70,227$16.8M0.34%––
Chicago Partners Investment Group LLC65,250$16.5M1.36%––
Chilton Capital Management LLC68,134$16.3M1.10%––
Braun Stacey Associates Inc67,990$16.3M0.68%––
Oppenheimer Asset Management Inc.67,707$16.2M0.25%––
Williams Jones Wealth Management, LLC.67,606$16.2M0.25%––
Candriam Luxembourg S.C.A.74,876$16.1M0.13%––
Bath Savings Trust Co67,169$16.1M2.05%––
Fort Washington Investment Advisors Inc66,834$16.0M0.15%––
Northwestern Mutual Wealth Management Co66,823$16.0M0.03%––
Prospect Capital Advisors, LLC66,445$15.9M6.99%––
Wedge Capital Management L L P65,915$15.8M0.19%––
Adell Harriman & Carpenter Inc65,696$15.7M1.91%––
Redpoint Investment Management Pty Ltd65,152$15.6M1.32%––
Group One Trading, L.P.64,761$15.5M0.34%––
Dana Investment Advisors, Inc.64,631$15.5M0.71%––
Beaumont Financial Partners, LLC64,302$15.4M1.30%––
Appleton Partners Inc63,499$15.2M1.41%––
Shell Asset Management Co63,443$15.2M0.30%––
Tudor Investment Corp Et Al63,348$15.1M0.32%––
AO Asset Management, LP63,142$15.1M1.14%––
Mutual of America Capital Management LLC61,625$14.7M0.15%––
Fiduciary Trust Co61,588$14.7M0.30%––
Fairview Capital Investment Management, LLC61,092$14.6M0.52%––
Jones Financial Companies LLLP60,955$14.6M0.02%––
Cobblestone Capital Advisors LLC60,573$14.5M1.05%––
North American Management Corp60,278$14.4M1.95%––
Cincinnati Insurance Co60,000$14.3M0.30%––
Wallington Asset Management, LLC59,523$14.2M2.60%––
Achmea Investment Management B.V.59,281$14.2M0.49%––
Van Eck Associates Corp59,084$14.1M0.04%––
DnB Asset Management AS59,007$14.1M0.10%––
Cerity Partners LLC58,638$14.0M0.33%––
Synovus Financial Corp58,361$14.0M0.16%––
Clark Capital Management Group, Inc.58,027$13.9M0.21%––
Swiss Life Asset Management Ltd57,904$13.8M0.20%––
B. Riley Wealth Management, Inc.57,804$13.8M1.62%––
LVM Capital Management Ltd56,974$13.6M2.21%––
Skylands Capital, LLC56,700$13.6M1.73%––
Cambridge Trust Co56,547$13.5M0.55%––
Badgley Phelps & Bell Inc55,837$13.3M0.55%––
Private Advisor Group, LLC55,461$13.3M0.13%––
Brasada Capital Management, LP55,293$13.2M2.86%––
Manor Road Capital Partners, LLC55,000$13.1M10.70%––
FourThought Financial, LLC54,668$13.1M1.89%––
Martingale Asset Management L P54,437$13.0M0.15%––
Federation des caisses Desjardins du Quebec54,430$13.0M0.14%––
Banco Santander, S.A.54,279$13.0M0.09%––
Motley Fool Asset Management LLC54,232$13.0M0.94%––
Tower Research Capital LLC (TRC)52,452$12.5M0.21%––
Grassi Investment Management51,857$12.4M1.41%––
Markel Group Inc.SuperinvestorMarkel Group51,730$12.4M0.17%––
Intact Investment Management Inc.51,700$12.4M0.37%––
JLP Asset Management, LLC50,900$12.2M7.76%––
Hartford Investment Management Co50,243$12.0M0.32%––
Archon Partners LLC50,000$12.0M1.67%––
Mirae Asset Global Investments Co., Ltd.49,921$11.9M0.04%––
Parsons Capital Management Inc49,887$11.9M0.98%––
Wendell David Associates Inc48,748$11.7M1.40%––
Huntington National Bank48,298$11.5M0.14%––
Princeton Portfolio Strategies Group LLC47,833$11.4M2.22%––
IFM Investors Pty Ltd47,525$11.4M0.30%––
Novare Capital Management LLC47,312$11.3M1.36%––
Trust Co of Vermont47,157$11.3M0.84%––
Creative Planning46,877$11.2M0.02%––
Brightworth46,609$11.1M1.03%––
Foster Victor Wealth Advisors, LLC44,903$10.9M2.03%––
Wolverine Trading, LLC45,857$10.9M0.21%––
Andra AP-fonden45,000$10.8M0.24%––
Princeton Capital Management LLC44,943$10.7M3.63%––
Gradient Investments LLC44,608$10.7M0.35%––
BP PLC44,521$10.6M0.37%––
Twin Tree Management, LP44,493$10.6M0.40%––
Taylor Wealth Management Partners44,160$10.6M3.85%––
Kelly Lawrence W & Associates Inc44,110$10.5M2.50%––
Northwest & Ethical Investments L.P.43,743$10.5M0.37%––
Cetera Advisors LLC43,478$10.4M0.29%––
B&I Capital AG42,785$10.2M2.97%––
Public Sector Pension Investment Board42,443$10.1M0.07%––
CIBC World Markets Corp42,370$10.1M0.06%––
MML Investors Services, LLC42,262$10.1M0.10%––
Richard C. Young & CO., LTD.42,060$10.1M1.34%––
First Long Island Investors, LLC41,724$9.97M0.89%––
Lazard Asset Management LLC41,420$9.90M0.01%––
Crossmark Global Holdings, Inc.41,149$9.84M0.24%––
Grand Jean Capital Management Inc40,627$9.71M2.57%––
TPI Fund Managers Ltd40,509$9.68M1.51%––
Cambridge Investment Research Advisors, Inc.40,484$9.68M0.05%––
Fiduciary Group LLC37,808$9.63M1.17%––
Capital Growth Management LP40,000$9.56M0.87%––
Aristotle Atlantic Partners, LLC40,000$9.56M0.70%––
1623 Capital LLC40,000$9.56M4.35%––
Park National Corp39,758$9.51M0.42%––
Stephens Inc39,506$9.44M0.16%––
Ilmarinen Mutual Pension Insurance Co39,500$9.44M0.11%––
Selkirk Management LLC39,150$9.36M3.08%––
Umb Bank N A38,972$9.32M0.23%––
United Asset Strategies, Inc.37,977$9.08M1.32%––
Sandy Spring Bank37,907$9.06M0.52%––
Nippon Life Global Investors Americas, Inc.37,460$8.95M0.49%––