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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, Q4 2025

Institutional positions in American Tower Corp as of Dec 31, 2025. 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
1,781
+27 vs. Q3 2025
Shares held
475.7M
+47.9M (+11.2%) vs. Q3 2025
Total value
$77.0B
−$5.27B (−6.4%) vs. Q3 2025
New holders
209
572 more added
Sold out
182
819 more reduced

45 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,781 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 heldQ4 2025: $77.0B
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, Q4 2025

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q3 2025.

Institutions holding AMT in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Steigerwald, Gordon & Koch Inc.555$97.4K0.01%+11+2.0%Added
Tompkins Financial Corp561$98.5K0.01%+23+4.3%Added
Rialto Wealth Management, LLC563$98.8K0.02%−7−1.2%Reduced
Elyxium Wealth, LLC569$100.0K0.03%+569New
FWL Investment Management, LLC606$106.4K0.03%00.0%Unchanged
Quarry LP617$108.3K0.02%−165−21.1%Reduced
Webster Bank, N. A.621$109.0K0.01%−15−2.4%Reduced
Guinness Asset Management LTD625$109.9K0.00%+257+69.8%Added
Investors Portfolio Services LLC629$110.5K0.10%+629New
Strengthening Families & Communities, LLC634$111.3K0.04%−36−5.4%Reduced
Bay Harbor Wealth Management, LLC635$111.5K0.03%+635New
Johnson Financial Group, Inc.641$113.6K0.00%−530−45.3%Reduced
DV Equities, LLC652$114.5K0.02%+652New
Elgethun Capital Management661$116.0K0.02%−99−13.0%Reduced
SJS Investment Consulting Inc.674$118.3K0.01%−37−5.2%Reduced
St Germain D J Co Inc694$121.8K0.00%−85−10.9%Reduced
Millstone Evans Group, LLC694$121.8K0.07%00.0%Unchanged
Munich Reinsurance Co Stock Corp in Munich693$122.5K0.00%00.0%Unchanged
ORG Partners LLC728$128.1K0.02%−101−12.2%Reduced
Golden State Wealth Management, LLC747$131.2K0.01%−54−6.7%Reduced
Capital Advisors, Ltd. LLC755$133.0K0.02%−764−50.3%Reduced
Global X Japan Co., Ltd.779$136.8K0.01%−219−21.9%Reduced
Blume Capital Management, Inc.825$144.8K0.03%−179−17.8%Reduced
Geneos Wealth Management Inc.851$149.5K0.00%−10−1.2%Reduced
Westfuller Advisors, LLC849$150.4K0.06%−498−37.0%Reduced
CVA Family Office, LLC874$153.4K0.02%−187−17.6%Reduced
Montag A & Associates Inc873$153.7K0.01%+223+34.3%Added
Pinnacle Wealth Planning Services, Inc.899$157.8K0.02%−151−14.4%Reduced
Centaurus Financial, Inc.936$164.0K0.01%−1,144−55.0%Reduced
Virtus Investment Advisers, Inc.942$165.4K0.04%+48+5.4%Added
Deseret Mutual Benefit Administrators946$166.1K0.07%+345+57.4%Added
Piscataqua Savings Bank947$166.3K0.12%00.0%Unchanged
Garton & Associates Financial Advisors LLC976$171.3K0.10%+976New
Harbour Investments, Inc.988$173.4K0.00%+307+45.1%Added
Concord Wealth Partners995$174.7K0.02%+62+6.6%Added
Clear Street Markets LLC995$174.7K0.03%+189+23.4%Added
Copeland Capital Management, LLC999$175.4K0.00%00.0%Unchanged
Trust Co1,003$176.1K0.02%+616+159.2%Added
LOM Asset Management Ltd1,006$176.6K0.05%+64+6.8%Added
Hollencrest Capital Management1,015$178.2K0.01%00.0%Unchanged
Kelly Lawrence W & Associates Inc1,020$179.1K0.04%00.0%Unchanged
Larson Financial Group LLC1,043$183.2K0.01%+170+19.5%Added
Edmond de Rothschild Holding S.A.1,044$183.3K0.00%−9,512−90.1%Reduced
Colonial Trust Co1,055$185.3K0.02%−12−1.1%Reduced
Evelyn Partners Investment Management (Europe) Ltd1,058$185.8K0.06%00.0%Unchanged
CoreFirst Bank & Trust1,083$190.1K0.10%00.0%Unchanged
Rexford Capital Inc1,122$197.0K0.15%00.0%Unchanged
South Plains Financial, Inc.1,139$200.0K0.12%+31+2.8%Added
A. D. Beadell Investment Counsel, Inc.1,140$200.0K0.13%+1,140New
Kingswood Wealth Advisors, LLC1,143$200.6K0.01%−813−41.6%Reduced
Daybright Advisory Services, Inc.1,143$200.8K0.05%+1,143New
Perennial Investment Advisors, LLC1,153$202.3K0.02%−5−0.4%Reduced
AGH Wealth Advisors, LLC1,156$203.0K0.15%−51−4.2%Reduced
Cary Street Partner Investment Advisory LLC1,160$203.7K0.05%−108−8.5%Reduced
Castle Rock Wealth Management, LLC1,188$204.2K0.04%−1,001−45.7%Reduced
Meridian Wealth Management, LLC1,163$204.3K0.01%+1,163New
Canopy Partners, LLC1,164$204.4K0.07%+128+12.4%Added
Centerpoint Advisors, LLC1,165$205.0K0.06%−2,852−71.0%Reduced
Uhlmann Price Securities, LLC1,170$205.4K0.12%00.0%Unchanged
Quent Capital, LLC1,171$205.5K0.01%−426−26.7%Reduced
Atlas Brown,Inc.1,171$205.6K0.06%−23−1.9%Reduced
Blue Chip Partners, Inc.1,173$205.9K0.01%−200−14.6%Reduced
Northside Capital Management, LLC1,180$207.2K0.02%00.0%Unchanged
Z3 Capital Partners, LLC1,181$207.3K0.05%+1,181New
Zacks Investment Management1,189$208.8K0.00%−27−2.2%Reduced
Tranquility Partners, LLC1,190$209.0K0.08%−1,142−49.0%Reduced
First County Bank1,191$209.1K0.11%−106−8.2%Reduced
Grimes & Company, Inc.1,197$210.2K0.01%−12−1.0%Reduced
Castle Wealth Management LLC1,186$210.3K0.07%00.0%Unchanged
Crumly & Associates Inc.1,199$210.5K0.04%−426−26.2%Reduced
Catalyst Capital Advisors LLC1,200$210.7K0.00%00.0%Unchanged
SMH Capital Advisors Inc1,200$210.7K0.43%00.0%Unchanged
SHP Wealth Management1,201$210.9K0.02%+1,201New
Adelphi Trust Co1,206$211.7K0.17%+1,206New
Modus Advisors, LLC1,207$211.8K0.06%−1,311−52.1%Reduced
Sentry Investment Management LLC1,209$212.0K0.14%00.0%Unchanged
Alps Advisors Inc1,210$212.4K0.00%−389−24.3%Reduced
Roman Butler Fullerton & Co1,211$214.4K0.06%−102−7.8%Reduced
Accuvest Global Advisors1,223$215.0K0.16%+1,223New
StrongBox Wealth, LLC1,225$215.1K0.07%−1,438−54.0%Reduced
William Allan, LLC1,227$215.4K0.12%+1,227New
Eurizon SLJ Capital Ltd1,234$216.7K0.09%+1,234New
Kathmere Capital Management, LLC1,237$217.2K0.01%+1,237New
Paladin Advisory Group, LLC1,237$217.2K0.16%+82+7.1%Added
a16z Perennial Management, L.P.1,237$217.2K0.02%+119+10.6%Added
Enterprise Financial Services Corp1,239$217.5K0.11%+12+1.0%Added
Evernest Financial Advisors, LLC1,254$217.8K0.05%−343−21.5%Reduced
First Citizens Bank & Trust Co1,243$218.2K0.00%−755−37.8%Reduced
Sunburst Financial Group, LLC1,244$218.4K0.04%−1,069−46.2%Reduced
Weatherly Asset Management L. P.1,234$218.5K0.02%−4−0.3%Reduced
Patton Fund Management, Inc.1,246$218.8K0.03%+202+19.3%Added
Walleye Capital LLC1,251$219.6K0.00%−32,398−96.3%Reduced
East Coast Asset Management, LLC.1,253$220.0K0.06%00.0%Unchanged
ABN AMRO Bank N.V.1,263$220.9K0.00%−155−10.9%Reduced
Wick Capital Partners, LLC1,259$221.0K0.04%+1,259New
Marble Wealth, LLC1,265$222.0K0.03%+1,265New
Advisors Management Group Inc1,268$223.0K0.04%−36−2.8%Reduced
SmartHarvest Portfolios, LLC1,274$223.7K0.08%+1,274New
Abel Hall, LLC1,286$225.8K0.05%+1,286New
Topsail Wealth Management, LLC1,287$226.0K0.03%−45−3.4%Reduced