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; 1,756 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	1,756	$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
Vanguard Group Inc	56,741,264	$13.6B	0.37%	–	–
BlackRock Inc.	34,556,593	$8.26B	0.24%	–	–
State Street Corp	17,238,204	$4.12B	0.24%	–	–
Wellington Management Group LLP	12,738,800	$3.05B	0.54%	–	–
FMR LLC	9,919,343	$2.37B	0.20%	–	–
Edgewood Management LLC	9,423,710	$2.25B	4.46%	–	–
Cohen & Steers, Inc.	8,164,876	$1.95B	4.18%	–	–
Geode Capital Management, LLC	8,038,728	$1.92B	0.29%	–	–
Akre Capital Management LLCSuperinvestorAkre Capital Management	7,016,902	$1.68B	11.42%	–	–
Northern Trust Corp	6,775,520	$1.62B	0.30%	–	–
Dimensional Fund Advisors LP	6,206,796	$1.48B	0.49%	–	–
Bank of America Corp	5,753,961	$1.38B	0.16%	–	–
Capital World Investors	5,661,194	$1.35B	0.25%	–	–
Price T Rowe Associates Inc	5,545,109	$1.33B	0.13%	–	–
Principal Financial Group Inc	4,877,499	$1.17B	0.82%	–	–
Wells Fargo & Company	4,784,733	$1.14B	0.26%	–	–
Goldman Sachs Group Inc	4,569,760	$1.09B	0.32%	–	–
Massachusetts Financial Services Co	4,296,037	$1.03B	0.32%	–	–
Norges Bank	4,279,412	$1.02B	0.23%	–	–
Nuveen Asset Management, LLC	4,202,556	$1.00B	0.32%	–	–
Bank of New York Mellon Corp	4,051,425	$968.5M	0.20%	–	–
Legal & General Group Plc	4,018,387	$960.6M	0.36%	–	–
Charles Schwab Investment Management Inc	4,016,388	$960.2M	0.35%	–	–
Deutsche Bank AG	3,764,911	$900.0M	0.48%	–	–
Invesco Ltd.	3,445,163	$823.6M	0.22%	–	–
Capital Research Global Investors	3,372,785	$806.3M	0.20%	–	–
Morgan Stanley	3,372,573	$806.2M	0.12%	–	–
Ameriprise Financial Inc	3,367,589	$805.0M	0.27%	–	–
Alliancebernstein L.P.	3,160,319	$755.5M	0.33%	–	–
Parnassus Investments	3,126,958	$747.5M	1.81%	–	–
Manufacturers Life Insurance Company, The	3,026,106	$723.4M	0.63%	–	–
Janus Henderson Group PLC	2,763,048	$660.6M	0.30%	–	–
UBS Group AG	2,721,682	$650.6M	0.29%	–	–
California Public Employees Retirement System	2,719,850	$650.2M	0.49%	–	–
Clearbridge Investments, LLC	2,700,964	$645.7M	0.48%	–	–
Capital International Investors	2,483,251	$593.4M	0.15%	–	–
Mitsubishi UFJ Trust & Banking Corp	2,570,195	$582.3M	1.29%	–	–
UBS Asset Management Americas Inc	2,052,150	$490.6M	0.22%	–	–
Brown Advisory Inc	2,033,739	$486.2M	0.83%	–	–
Putnam Investments LLC	2,014,016	$481.5M	0.80%	–	–
Cantillon Capital Management LLC	1,989,472	$475.6M	3.46%	–	–
Fisher Asset Management, LLC	1,882,598	$450.1M	0.32%	–	–
C WorldWide Group Holding A/S	1,879,339	$449.3M	4.40%	–	–
1832 Asset Management L.P.	1,847,852	$440.1M	0.95%	–	–
D. E. Shaw & Co., Inc.	1,790,906	$428.1M	0.53%	–	–
Swiss National Bank	1,774,275	$424.2M	0.28%	–	–
Standard Life Aberdeen plc	1,757,468	$420.4M	0.96%	–	–
Neuberger Berman Group LLC	1,722,374	$411.5M	0.39%	–	–
American Century Companies Inc	1,709,175	$408.6M	0.30%	–	–
Parametric Portfolio Associates LLC	1,559,308	$372.8M	0.21%	–	–
Loring Wolcott & Coolidge Fiduciary Advisors LLP	1,518,940	$363.1M	4.02%	–	–
Magellan Asset Management Ltd	1,500,074	$358.6M	0.75%	–	–
Bessemer Group Inc	1,466,249	$350.5M	0.84%	–	–
Sumitomo Mitsui Trust Holdings, Inc.	1,460,586	$349.2M	0.22%	–	–
Canada Pension Plan Investment Board	1,437,739	$343.7M	0.45%	–	–
CIBC Private Wealth Group, LLC	1,408,678	$336.8M	0.85%	–	–
Alkeon Capital Management LLC	1,212,201	$289.8M	1.10%	–	–
Franklin Resources Inc	1,203,400	$287.7M	0.12%	–	–
US Bancorp	1,153,404	$275.7M	0.56%	–	–
Barclays PLC	1,116,838	$267.0M	0.26%	–	–
Credit Suisse AG	1,095,893	$262.0M	0.19%	–	–
Royal Bank of Canada	1,089,908	$260.6M	0.08%	–	–
APG Asset Management N.V.	1,262,106	$256.7M	0.44%	–	–
Cbre Clarion Securities LLC	1,051,123	$251.3M	5.01%	–	–
Atlanta Capital Management Co L L C	1,035,653	$247.6M	0.87%	–	–
TCW Group Inc	1,017,049	$243.1M	2.33%	–	–
Citigroup Inc	978,149	$233.8M	0.22%	–	–
Raymond James & Associates	940,716	$224.9M	0.23%	–	–
Davenport & Co LLC	933,148	$223.1M	2.09%	–	–
Amundi Asset Management US, Inc.	928,699	$222.0M	0.17%	–	–
JPMorgan Chase & Co	921,603	$220.3M	0.03%	–	–
Rhumbline Advisers	915,573	$218.9M	0.30%	–	–
Resolution Capital Ltd	904,621	$216.3M	3.64%	–	–
AMP Capital Investors Ltd	904,260	$216.0M	1.08%	–	–
Ensign Peak Advisors, Inc	872,138	$208.5M	0.45%	–	–
New York State Common Retirement Fund	865,661	$206.9M	0.23%	–	–
California State Teachers Retirement System	826,476	$197.6M	0.26%	–	–
Citadel Advisors LLC	818,574	$195.7M	0.21%	–	–
AustralianSuper Pty Ltd	790,111	$188.9M	1.48%	–	–
Bank of Montreal	777,612	$187.5M	0.13%	–	–
Pacer Advisors, Inc.	718,391	$171.7M	2.98%	–	–
Blair William & Co	707,634	$169.2M	0.64%	–	–
DF Dent & Co Inc	706,742	$169.0M	1.96%	–	–
Great West Life Assurance Co	698,943	$166.1M	0.40%	–	–
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	662,800	$158.4M	0.65%	–	–
Sarasin & Partners LLP	655,754	$156.8M	1.85%	–	–
HSBC Holdings PLC	652,623	$156.0M	0.21%	–	–
Mar Vista Investment Partners LLC	644,807	$154.1M	3.57%	–	–
Retirement Systems of Alabama	629,025	$150.4M	0.57%	–	–
Avenir Corp	611,378	$146.2M	12.64%	–	–
Broad Run Investment Management, LLC	610,372	$145.9M	9.71%	–	–
National Pension Service	607,234	$145.2M	0.30%	–	–
Jennison Associates LLC	592,429	$141.6M	0.10%	–	–
TD Asset Management Inc	585,640	$140.0M	0.16%	–	–
NFJ Investment Group, LLC	582,041	$139.1M	2.79%	–	–
First Manhattan Co	578,450	$138.3M	0.60%	–	–
State Board of Administration of Florida Retirement System	571,157	$136.5M	0.27%	–	–
Bahl & Gaynor Inc	569,849	$136.2M	0.86%	–	–
Swedbank AB	567,479	$135.7M	0.28%	–	–
New York State Teachers Retirement System	564,762	$135.0M	0.29%	–	–