American Tower Corp

AMT

Exchange: NYSE
Industry: Real Estate Investment Trusts
SEC CIK: 0001053507

SEC filings (opens in a new tab)

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

Value heldQ1 2021: $95.8B

Institutions holding AMT and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,757	$72.0B
Q1 2026	1,760	$74.4B
Q4 2025	1,781	$77.0B
Q3 2025	1,799	$82.5B
Q2 2025	1,852	$96.5B
Q1 2025	1,845	$95.0B
Q4 2024	1,798	$79.6B
Q3 2024	1,852	$99.4B
Q2 2024	1,769	$83.8B
Q1 2024	1,769	$85.0B
Q4 2023	1,802	$93.6B
Q3 2023	1,634	$69.9B
Q2 2023	1,688	$82.1B
Q1 2023	1,706	$86.3B
Q4 2022	1,711	$90.0B
Q3 2022	1,693	$91.0B
Q2 2022	1,747	$109.0B
Q1 2022	1,723	$104.3B
Q4 2021	1,799	$121.8B
Q3 2021	1,678	$109.6B
Q2 2021	1,656	$111.7B
Q1 2021	1,613	$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
Institution	Shares	Value	% of portfolio	Change in shares	Action
Moody Lynn & Lieberson, LLC	6,108	$1.46M	0.12%	–	–
Cypress Capital, LLC	6,084	$1.45M	0.59%	–	–
Arete Wealth Advisors, LLC	6,076	$1.45M	0.19%	–	–
Nations Financial Group Inc,	6,053	$1.45M	0.33%	–	–
Conning Inc.	6,049	$1.45M	0.04%	–	–
D.A. Davidson & Co.	6,030	$1.44M	0.02%	–	–
Heritage Wealth Management, LLC	6,010	$1.44M	0.81%	–	–
Barbara Oil Co.	6,000	$1.43M	0.69%	–	–
Focus Financial Network, Inc.	5,998	$1.43M	0.17%	–	–
Woodard & Co Asset Management Group Inc	5,992	$1.43M	0.91%	–	–
WBH Advisory Inc	5,991	$1.43M	0.23%	–	–
Spirit of America Management Corp	5,950	$1.42M	0.34%	–	–
SWS Partners	5,888	$1.41M	0.97%	–	–
Algert Global LLC	5,847	$1.40M	0.45%	–	–
Total Clarity Wealth Management, Inc.	5,848	$1.40M	0.80%	–	–
Gotham Asset Management, LLC	5,834	$1.40M	0.06%	–	–
Sullivan, Bruyette, Speros & Blaney, LLC	5,836	$1.40M	0.06%	–	–
Western Wealth Management, LLC	5,836	$1.40M	0.19%	–	–
Busey Wealth Management	5,786	$1.38M	0.07%	–	–
Argent Trust Co	5,744	$1.37M	0.10%	–	–
RKL Wealth Management LLC	5,677	$1.36M	0.18%	–	–
SeaCrest Wealth Management, LLC	5,644	$1.35M	0.18%	–	–
Arjuna Capital	5,633	$1.35M	0.66%	–	–
Bank Julius Baer & Co. Ltd, Zurich	5,629	$1.35M	0.01%	–	–
McDonald Partners LLC	5,617	$1.34M	0.35%	–	–
American Assets Investment Management, LLC	5,612	$1.34M	0.19%	–	–
Joel Isaacson & Co., LLC	5,610	$1.34M	0.12%	–	–
We Are One Seven, LLC	5,582	$1.33M	0.23%	–	–
Werlinich Asset Management, LLC	5,540	$1.32M	1.16%	–	–
Lockheed Martin Investment Management Co	5,500	$1.31M	0.07%	–	–
Wedbush Securities Inc	5,491	$1.31M	0.07%	–	–
RB Capital Management, LLC	5,491	$1.31M	0.58%	–	–
Fuller & Thaler Asset Management, Inc.	5,450	$1.30M	0.01%	–	–
Equitable Trust Co	5,446	$1.30M	0.10%	–	–
Patten & Patten Inc	5,446	$1.30M	0.11%	–	–
WMS Partners, LLC	5,441	$1.30M	0.30%	–	–
Kayne Anderson Rudnick Investment Management LLC	5,435	$1.30M	0.00%	–	–
Ferguson Wellman Capital Management, Inc	5,421	$1.30M	0.05%	–	–
Beacon Pointe Advisors, LLC	5,425	$1.29M	0.08%	–	–
Mid Atlantic Financial Management Inc	5,358	$1.28M	0.09%	–	–
Davidson Capital Management Inc.	5,307	$1.27M	0.66%	–	–
Fulton Bank, N.A.	5,303	$1.27M	0.06%	–	–
Brighton Jones LLC	5,304	$1.27M	0.08%	–	–
Gyroscope Capital Management Group, LLC	5,250	$1.25M	0.50%	–	–
Aft, Forsyth & Sober, LLC	5,200	$1.24M	0.51%	–	–
Covey Capital Advisors, LLC	5,194	$1.24M	1.03%	–	–
Avantax Advisory Services, Inc.	5,143	$1.23M	0.03%	–	–
Somerset Trust Co	5,098	$1.22M	0.53%	–	–
Berkshire Bank	5,084	$1.22M	0.31%	–	–
Prudent Man Advisors, LLC	5,065	$1.21M	0.51%	–	–
United Bank	5,050	$1.21M	0.85%	–	–
Diversified Trust Co	5,024	$1.20M	0.05%	–	–
Paradigm Asset Management Co LLC	5,020	$1.20M	0.32%	–	–
Sheaff Brock Investment Advisors, LLC	5,007	$1.20M	0.13%	–	–
Supplemental Annuity Collective Trust of NJ	5,000	$1.20M	0.41%	–	–
Citizens Business Bank	5,000	$1.20M	0.17%	–	–
Nicolet Bankshares Inc	4,989	$1.19M	0.33%	–	–
Bradley Foster & Sargent Inc	4,980	$1.19M	0.03%	–	–
Veriti Management LLC	4,948	$1.18M	0.32%	–	–
Leonteq Securities AG	4,927	$1.18M	0.08%	–	–
Lavaca Capital LLC	4,925	$1.18M	0.68%	–	–
Burney Co	4,897	$1.17M	0.06%	–	–
Douglass Winthrop Advisors, LLC	4,900	$1.17M	0.03%	–	–
O'Shaughnessy Asset Management, LLC	4,883	$1.17M	0.03%	–	–
Grove Bank & Trust	4,875	$1.17M	0.27%	–	–
Geneos Wealth Management Inc.	4,566	$1.16M	0.03%	–	–
Mitchell & Pahl Private Wealth, LLC	4,839	$1.16M	0.90%	–	–
Community Bank, N.A.	4,815	$1.15M	0.14%	–	–
JustInvest LLC	4,815	$1.15M	0.17%	–	–
CSU Producer Resources, Inc.	4,800	$1.15M	4.78%	–	–
Caldwell Trust Co	4,793	$1.15M	0.16%	–	–
Center for Financial Planning, Inc.	4,783	$1.14M	0.30%	–	–
Spinnaker Trust	4,769	$1.14M	0.09%	–	–
San Francisco Sentry Investment Group (Ca)	4,763	$1.14M	0.48%	–	–
Horizon Investments, LLC	4,739	$1.13M	0.04%	–	–
Gs Investments, Inc.	4,735	$1.13M	2.48%	–	–
Fortem Financial Group, LLC	4,676	$1.12M	0.65%	–	–
Minot Wealth Management LLC	4,673	$1.12M	0.29%	–	–
Lederer & Associates Investment Counsel	4,636	$1.11M	0.78%	–	–
Affinity Investment Advisors, LLC	4,620	$1.10M	0.40%	–	–
Norway Savings Bank	4,594	$1.10M	0.58%	–	–
Sentry Investment Management LLC	4,559	$1.09M	0.30%	–	–
BI Asset Management Fondsmaeglerselskab A/S	4,545	$1.09M	0.04%	–	–
Bank of Nova Scotia Trust Co	4,507	$1.08M	0.10%	–	–
Moors & Cabot, Inc.	4,497	$1.08M	0.08%	–	–
Landscape Capital Management, L.L.C.	4,497	$1.07M	0.17%	–	–
Checchi Capital Advisers, LLC	4,485	$1.07M	0.15%	–	–
Clarius Group, LLC	4,439	$1.06M	0.11%	–	–
Pitcairn Co	4,376	$1.05M	0.07%	–	–
Mirova	4,382	$1.05M	0.12%	–	–
Keebeck Wealth Management, LLC	4,379	$1.05M	0.16%	–	–
Quantitative Systematic Strategies LLC	4,368	$1.04M	0.16%	–	–
CWM, LLC	3,863	$1.04M	0.01%	–	–
Prime Capital Investment Advisors, LLC	4,364	$1.04M	0.08%	–	–
Mitchell McLeod Pugh & Williams Inc	4,293	$1.03M	0.43%	–	–
Te Ahumairangi Investment Management Ltd	4,263	$1.02M	0.13%	–	–
Insight Wealth Strategies, LLC	4,257	$1.02M	0.14%	–	–
Tokio Marine Asset Management Co Ltd	4,227	$1.01M	0.10%	–	–
Centerpoint Advisors, LLC	4,225	$1.01M	0.59%	–	–
River Wealth Advisors LLC	4,198	$1.00M	0.19%	–	–