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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 2026

Institutional positions in American Tower Corp as of Mar 31, 2026. 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
1,760
+9 vs. Q4 2025
Shares held
431.5M
+28.6M (+7.1%) vs. Q4 2025
Total value
$74.4B
+$10.2B (+15.9%) vs. Q4 2025
New holders
155
725 more added
Sold out
146
651 more reduced

30 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

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 2026: 1,760 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 2026: $74.4B
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 2026

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q4 2025.

Institutions holding AMT in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BBR Partners, LLC1,525$263.2K0.01%−16−1.0%Reduced
Journey Retirement Planning & Investment Management LLC1,518$262.0K0.23%−3,142−67.4%Reduced
TRB Wealth Management, LLC1,512$260.9K0.04%+1,512New
Quad-Cities Investment Group, LLC1,509$260.4K0.10%+4+0.3%Added
Philadelphia Trust Co1,503$259.0K0.02%−400−21.0%Reduced
Heritage Investment Group, Inc.1,500$258.9K0.04%−21−1.4%Reduced
Smart Portfolios, LLC1,500$258.9K0.26%+55+3.8%Added
AlpenGlobal Capital LLC1,500$258.9K0.16%+1,500New
Phocas Financial Corp.1,493$257.7K0.04%−42−2.7%Reduced
Family Legacy, Inc.1,487$256.6K0.08%+75+5.3%Added
Asset Allocation & Management Company, LLC1,482$256.0K0.09%00.0%Unchanged
Advisory Alpha, LLC1,481$255.8K0.01%+1,481New
Prudent Man Advisors, LLC1,482$255.8K0.08%+65+4.6%Added
Fideuram Asset Management (Ireland) dac1,467$255.5K0.03%−10,491−87.7%Reduced
Everpar Advisors LLC1,477$254.9K0.09%+1,477New
Institute for Wealth Management, LLC.1,474$254.4K0.03%+5+0.3%Added
Cyndeo Wealth Partners, LLC1,473$254.2K0.01%−12,676−89.6%Reduced
IFS Group,LLC1,470$253.7K0.23%+1,470New
Montecito Bank & Trust1,470$253.7K0.04%−140−8.7%Reduced
Agate Pass Investment Management, LLC1,470$253.7K0.10%00.0%Unchanged
Allen Capital Group, LLC1,456$251.3K0.02%+1,456New
Modera Wealth Management, LLC1,454$250.9K0.00%−65−4.3%Reduced
Kovack Advisors, Inc.1,464$250.9K0.01%−292−16.6%Reduced
Robertson Stephens Wealth Management, LLC1,452$250.6K0.01%+34+2.4%Added
BCM Advisors, LLC1,384$250.3K0.05%−58−4.0%Reduced
Roof Eidam & Maycock1,450$250.2K0.06%00.0%Unchanged
Triad Wealth Partners, LLC1,449$250.1K0.02%+152+11.7%Added
Focus Financial Network, Inc.1,448$249.9K0.01%−167−10.3%Reduced
Rehmann Capital Advisory Group1,442$248.9K0.01%+1,442New
Evernest Financial Advisors, LLC1,418$248.6K0.05%+164+13.1%Added
Argus Investors' Counsel, Inc.1,435$247.7K0.22%00.0%Unchanged
Hexagon Capital Partners LLC1,434$247.5K0.04%+1,434New
Pinnacle Wealth Management Group, Inc.1,425$245.9K0.12%−475−25.0%Reduced
CAPROCK Group, Inc.1,422$245.6K0.01%−2,932−67.3%Reduced
ABN AMRO Bank N.V.1,412$245.3K0.00%+149+11.8%Added
Town & Country Bank & Trust CO dba First Bankers Trust CO1,415$244.2K0.08%00.0%Unchanged
Oslo Pensjonsforsikring AS1,413$243.9K0.04%+1,413New
Maridea Wealth Management LLC1,410$243.3K0.04%−55−3.8%Reduced
CCM Investment Advisers LLC1,410$243.3K0.02%−1,490−51.4%Reduced
Sendero Wealth Management, LLC1,403$242.1K0.03%−3−0.2%Reduced
Prosperity Consulting Group, LLC1,400$241.7K0.01%+110+8.5%Added
Cypress Capital Group1,400$241.6K0.03%−717−33.9%Reduced
Horizon Kinetics Asset Management LLC1,400$241.6K0.00%00.0%Unchanged
Baxter Bros Inc1,400$241.6K0.03%00.0%Unchanged
Fulton Breakefield Broenniman LLC1,397$241.1K0.02%−193−12.1%Reduced
Topsail Wealth Management, LLC1,393$240.4K0.04%+106+8.2%Added
Income Insurance Ltd1,390$239.9K0.16%00.0%Unchanged
Meadow Creek Wealth Advisors LLC1,390$239.9K0.16%−78−5.3%Reduced
Eurizon SLJ Capital Ltd1,387$239.4K0.11%+153+12.4%Added
Gerber Kawasaki Wealth & Investment Management1,385$239.1K0.01%−147−9.6%Reduced
Claro Advisors LLC1,383$238.7K0.03%−101−6.8%Reduced
Atlantic Family Wealth, LLC1,380$238.2K0.17%+1,380New
Patton Fund Management, Inc.1,365$235.6K0.04%+119+9.6%Added
Intrua Financial, LLC1,360$234.7K0.03%+1,360New
Fundamentun, LLC1,358$234.5K0.01%+1,358New
First Citizens Bank & Trust Co1,356$234.0K0.00%+113+9.1%Added
Hancock Whitney Corp1,280$233.2K0.00%−115−8.2%Reduced
Evoke Wealth, LLC1,349$232.9K0.00%−1,659−55.2%Reduced
Camden Capital, LLC1,349$232.8K0.02%+1,349New
Costello Asset Management, INC1,344$231.9K0.08%+3+0.2%Added
Horizon Bancorp Inc1,336$231.0K0.11%+37+2.8%Added
Accuvest Global Advisors1,337$231.0K0.22%+114+9.3%Added
Evermay Wealth Management LLC1,338$230.9K0.03%−176−11.6%Reduced
Paradigm Financial Partners, LLC1,335$230.4K0.04%+1,335New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,326$228.9K0.01%+1,326New
Cape Investment Advisory, Inc.1,317$227.3K0.08%−16−1.2%Reduced
Biltmore Family Office, LLC1,314$226.8K0.03%+1,314New
OneAscent Wealth Management LLC1,307$225.6K0.07%−18−1.4%Reduced
Platform Technology Partners1,305$225.2K0.04%−12−0.9%Reduced
Grant Street Asset Management, Inc.1,304$225.0K0.04%−55−4.0%Reduced
Advisortrust Partners, LLC1,302$224.7K0.09%+1,302New
Bahl & Gaynor Inc1,301$224.5K0.00%−41−3.1%Reduced
Osborne Partners Capital Management, LLC1,300$224.4K0.01%00.0%Unchanged
Regal Investment Advisors LLC1,287$222.0K0.01%+1,287New
Advisors Management Group Inc1,291$222.0K0.04%+23+1.8%Added
Patrick M Sweeney & Associates, Inc1,282$221.2K0.14%−40−3.0%Reduced
Kingswood Wealth Advisors, LLC1,282$221.2K0.01%+139+12.2%Added
Texas Bank & Trust Co1,281$221.1K0.08%−40−3.0%Reduced
South Plains Financial, Inc.1,281$221.1K0.13%+142+12.5%Added
Busey Wealth Management1,275$220.0K0.01%−324−20.3%Reduced
Onefund, LLC1,286$220.0K0.14%−63−4.7%Reduced
Csenge Advisory Group1,273$219.7K0.01%−226−15.1%Reduced
Grimes & Company, Inc.1,272$219.5K0.01%+75+6.3%Added
TIAA Wealth Investment Management LLC1,270$219.2K0.00%+1,270New
Blue Chip Partners, Inc.1,260$217.4K0.02%+87+7.4%Added
Yelin Lapidot Holdings Management Ltd.1,256$216.8K0.05%−151−10.7%Reduced
East Coast Asset Management, LLC.1,253$216.3K0.07%00.0%Unchanged
KCM Investment Advisors LLC1,251$216.0K0.01%−646−34.1%Reduced
Roman Butler Fullerton & Co1,223$215.5K0.06%+12+1.0%Added
Norway Savings Bank1,247$215.2K0.10%−95−7.1%Reduced
Brucke Financial, Inc.1,244$214.7K0.11%+1,244New
AGH Wealth Advisors, LLC1,242$214.3K0.16%+86+7.4%Added
Aventura Private Wealth, LLC1,241$214.3K0.08%−179−12.6%Reduced
Hutner Capital Management Inc1,237$213.5K0.09%−231−15.7%Reduced
a16z Perennial Management, L.P.1,237$213.5K0.02%00.0%Unchanged
Cetera Trust Company, N.A1,235$213.1K0.12%−90−6.8%Reduced
Boothbay Fund Management, LLC1,234$213.0K0.01%−2,050−62.4%Reduced
Capital Asset Advisory Services LLC1,171$212.7K0.01%−615−34.4%Reduced
Weatherly Asset Management L. P.1,232$212.6K0.02%−2−0.2%Reduced
Drucker Wealth 3.0, LLC1,229$212.1K0.04%−389−24.0%Reduced