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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
Alpha Family Trust1,925$332.2K0.16%00.0%Unchanged
Johnson & White Wealth Management, LLC1,918$331.0K0.14%−18−0.9%Reduced
Harbour Investments, Inc.1,915$330.5K0.01%+927+93.8%Added
Calamos Wealth Management LLC1,915$330.5K0.01%+88+4.8%Added
Newman Dignan & Sheerar, Inc.1,915$330.5K0.07%−162−7.8%Reduced
Mine & Arao Wealth Creation & Management, LLC.1,903$328.4K0.14%+10+0.5%Added
Coastline Trust Co1,901$328.1K0.03%+1+0.1%Added
Integrity Alliance, LLC.1,899$327.8K0.01%+50+2.7%Added
Simplicity Wealth,LLC1,890$326.2K0.02%+1,890New
Delta Financial Advisors LLC1,885$325.4K0.08%+1+0.1%Added
Arwa LLC1,805$324.7K0.16%−699−27.9%Reduced
Pinnacle Wealth Management Advisory Group, LLC1,881$324.6K0.02%−80−4.1%Reduced
Elevatus Welath Management1,881$324.6K0.17%+56+3.1%Added
Beto Financial Group, LLC1,804$324.4K0.19%−232−11.4%Reduced
Woodstock Corp1,877$323.9K0.03%00.0%Unchanged
Values Added Financial LLC1,868$322.4K0.14%+14+0.8%Added
Sunburst Financial Group, LLC1,867$322.3K0.06%+623+50.1%Added
Abel Hall, LLC1,864$321.7K0.07%+578+44.9%Added
Quotient Wealth Partners, LLC1,862$321.3K0.01%+284+18.0%Added
Mather Group, LLC.1,859$320.8K0.00%+394+26.9%Added
Sunpointe, LLC1,857$320.5K0.10%+1,857New
DV Trading LLC1,849$319.1K0.03%+1,344+266.1%Added
Alliance Wealth Advisors, LLC1,847$318.8K0.15%+13+0.7%Added
Independent Financial Group, LLC1,839$317.3K0.01%+405+28.2%Added
Brogan Financial, Inc.1,831$315.9K0.14%+130+7.6%Added
Resonant Capital Advisors, LLC1,829$315.6K0.02%+277+17.8%Added
Wealthcare Advisory Partners LLC1,828$315.4K0.01%−930−33.7%Reduced
Capstone Investment Advisors, LLC1,808$312.0K0.00%−6,695−78.7%Reduced
Manchester Capital Management LLC1,808$312.0K0.04%−20−1.1%Reduced
OneAscent Financial Services LLC1,806$311.6K0.02%+70+4.0%Added
Grandfield & Dodd, LLC1,802$311.0K0.02%00.0%Unchanged
Crumly & Associates Inc.1,798$310.3K0.07%+599+50.0%Added
Henson-Edgewater Management, LLC1,791$309.1K0.20%00.0%Unchanged
M.E. Allison & Co., Inc.1,790$308.9K0.20%+1,790New
Shepherd Financial Partners LLC1,787$308.4K0.03%−40−2.2%Reduced
Fort Point Capital Partners LLC1,782$307.5K0.04%+1,782New
Financial Advisory Service, Inc.1,781$307.3K0.02%+341+23.7%Added
Lewis Asset Management, LLC1,778$306.9K0.13%+355+24.9%Added
Cinctive Capital Management LP1,775$306.3K0.02%+1,775New
Key Financial Inc1,769$305.3K0.05%00.0%Unchanged
Leisure Capital Management1,764$304.4K0.11%+5+0.3%Added
Farmers & Merchants Investments Inc1,764$304.4K0.01%00.0%Unchanged
Systematic Alpha Investments, LLC1,764$304.4K0.01%00.0%Unchanged
Christine Messmer PC1,758$303.4K0.19%+1,758New
AlphaStar Capital Management, LLC1,752$302.3K0.02%+1,752New
Nilsine Partners, LLC1,710$299.8K0.02%−1,150−40.2%Reduced
Connecticut Wealth Management, LLC1,737$299.7K0.01%−219−11.2%Reduced
Altfest L J & Co Inc1,734$299.2K0.03%−5,563−76.2%Reduced
Optas, LLC1,733$299.1K0.05%+69+4.1%Added
Heartwood Wealth Advisors LLC1,733$299.1K0.03%00.0%Unchanged
Fukoku Mutual Life Insurance Co1,731$298.7K0.02%00.0%Unchanged
Journey Strategic Wealth LLC1,727$298.1K0.01%−1,702−49.6%Reduced
Ninety One SA (PTY) Ltd1,741$298.0K0.01%00.0%Unchanged
VisionPoint Advisory Group, LLC1,719$296.7K0.06%+100+6.2%Added
Wealth Effects LLC1,717$296.3K0.10%−20−1.2%Reduced
MASTERINVEST Kapitalanlage GmbH1,710$295.1K0.03%00.0%Unchanged
Stratos Wealth Advisors, LLC1,707$294.8K0.02%+115+7.2%Added
Advisors Capital Management, LLC1,705$294.3K0.00%−166−8.9%Reduced
Bryn Mawr Trust Co1,704$294.1K0.01%+16+0.9%Added
E Fund Management Co., Ltd.1,702$293.7K0.01%+1,702New
Adelphi Trust Co1,702$293.7K0.24%+496+41.1%Added
Basecamp Wealth Advisors LLC1,695$292.5K0.06%−56−3.2%Reduced
Hilltop Holdings Inc.1,694$292.4K0.03%−979−36.6%Reduced
Catalyst Funds Management Pty Ltd1,693$292.2K0.05%+1,693New
StoneX Group Inc.1,689$291.2K0.02%−6,025−78.1%Reduced
Freestone Grove Partners LP1,685$290.8K0.00%−2,714−61.7%Reduced
Cornerstone Wealth Management, LLC1,678$289.6K0.01%−22−1.3%Reduced
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management1,677$289.4K0.01%−6,076−78.4%Reduced
Pines Wealth Management, LLC1,675$289.1K0.09%+166+11.0%Added
Genesis Private Wealth, LLC1,673$288.7K0.09%+1,673New
MBE Wealth Management, LLC1,668$287.9K0.12%+4+0.2%Added
Howe & Rusling Inc1,668$287.8K0.02%−24−1.4%Reduced
Capital Financial Group Inc1,662$286.8K0.16%−338−16.9%Reduced
OneAscent Investment Solutions LLC1,662$286.8K0.29%00.0%Unchanged
HHM Wealth Advisors, LLC1,660$286.5K0.03%+78+4.9%Added
First County Bank1,653$285.3K0.15%+462+38.8%Added
Violich Capital Management, Inc.1,650$284.8K0.03%00.0%Unchanged
Alta Advisers Ltd1,648$284.4K0.10%00.0%Unchanged
Summitry LLC1,636$282.3K0.01%−25−1.5%Reduced
Yoder Wealth Management, Inc.1,636$282.3K0.13%+146+9.8%Added
Saranac Partners Ltd1,727$281.4K0.12%+6+0.3%Added
Jeppson Wealth Management, LLC1,620$279.6K0.09%00.0%Unchanged
Sound View Wealth Advisors Group, LLC1,618$279.2K0.02%−1−0.1%Reduced
Mystic Asset Management, Inc.1,615$278.7K0.06%00.0%Unchanged
Baker Avenue Asset Management, LP1,608$277.5K0.01%−129−7.4%Reduced
Palisade Capital Management LLC1,600$276.1K0.01%+100+6.7%Added
Invictus Private Wealth, LLC1,600$276.1K0.02%+1,600New
Spire Wealth Management1,598$275.8K0.01%+87+5.8%Added
Symphony Financial, Ltd. Co.1,596$274.6K0.04%−737−31.6%Reduced
Sheets Smith Wealth Management1,587$273.9K0.03%−1−0.1%Reduced
Hibernia Wealth Partners, LLC1,585$273.5K0.08%+92+6.2%Added
Equitable Trust Co1,583$273.2K0.01%−455−22.3%Reduced
Empower Advisory Group, LLC1,573$271.5K0.00%−441−21.9%Reduced
SRS Capital Advisors, Inc.1,566$270.9K0.01%−1,084−40.9%Reduced
Wick Capital Partners, LLC1,564$269.9K0.05%+305+24.2%Added
NorthCrest Asset Manangement, LLC1,547$268.7K0.01%−1,670−51.9%Reduced
Riverwater Partners LLC1,552$267.8K0.09%+16+1.0%Added
DT Investment Partners, LLC1,547$267.0K0.02%−168−9.8%Reduced
D'Orazio & Associates, Inc.1,528$263.6K0.03%+36+2.4%Added
Parcion Private Wealth LLC1,526$263.4K0.02%−1,156−43.1%Reduced