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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 2024

Institutional positions in American Tower Corp as of Dec 31, 2024. 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
1,798
−18 vs. Q3 2024
Shares held
434.0M
+6.47M (+1.5%) vs. Q3 2024
Total value
$79.6B
−$19.5B (−19.6%) vs. Q3 2024
New holders
204
604 more added
Sold out
222
789 more reduced

36 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 2024: 1,798 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 2024: $79.6B
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 2024

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q3 2024.

Institutions holding AMT in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Insigneo Advisory Services, LLC4,452$816.6K0.08%−1,050−19.1%Reduced
Jackson Square Capital, LLC4,453$816.7K0.20%−1,106−19.9%Reduced
Argus Investors' Counsel, Inc.4,475$820.8K0.55%+50+1.1%Added
Patriot Financial Group Insurance Agency, LLC4,531$831.0K0.11%+133+3.0%Added
Gs Investments, Inc.4,557$835.8K0.38%−507−10.0%Reduced
111 Capital4,579$839.8K0.18%+4,579New
Independent Advisor Alliance4,583$840.7K0.01%+950+26.1%Added
Pitcairn Co4,585$840.9K0.05%−139−2.9%Reduced
David Loasby4,849$841.1K0.08%−239−4.7%Reduced
Norway Savings Bank4,589$841.7K0.47%−367−7.4%Reduced
Intrust Bank NA4,612$845.9K0.09%−440−8.7%Reduced
Vident Advisory, LLC4,611$846.0K0.01%+347+8.1%Added
MidWestOne Financial Group, Inc.4,627$848.6K0.12%−146−3.1%Reduced
Cornell Pochily Investment Advisors, Inc.4,663$855.3K0.30%+311+7.1%Added
Navalign, LLC4,689$860.0K0.25%+134+2.9%Added
Board of the Pension Protection Fund4,700$862.0K1.00%+4,700New
Meketa Investment Group Inc4,715$864.8K1.94%+4,715New
WBH Advisory Inc4,722$866.1K0.08%−138−2.8%Reduced
Smith, Moore & Co.4,760$872.9K0.08%+239+5.3%Added
TD Private Client Wealth LLC4,765$873.9K0.02%−3,788−44.3%Reduced
Cigna Investments Inc4,785$877.0K0.15%−30−0.6%Reduced
Consolidated Portfolio Review Corp4,800$880.3K0.14%+188+4.1%Added
CSU Producer Resources, Inc.4,800$880.4K2.90%00.0%Unchanged
Community Financial Services Group, LLC4,804$881.1K0.17%+414+9.4%Added
CNB Bank4,807$881.7K0.41%−257−5.1%Reduced
BluePath Capital Management, LLC5,003$885.2K0.48%+1,109+28.5%Added
Mitchell McLeod Pugh & Williams Inc4,833$886.4K0.19%+224+4.9%Added
Smartleaf Asset Management LLC4,880$887.9K0.09%+324+7.1%Added
Royal Fund Management, LLC4,852$890.2K0.10%+595+14.0%Added
First Pacific Financial4,881$895.3K0.21%−586−10.7%Reduced
Regal Investment Advisors LLC4,930$904.3K0.07%+914+22.8%Added
Fiduciary Alliance LLC4,950$907.9K0.09%+3,233+188.3%Added
Caldwell Trust Co4,958$909.3K0.09%−419−7.8%Reduced
Sunbelt Securities, Inc.5,003$910.1K0.08%+206+4.3%Added
Triglav Skladi, D.O.O.5,000$916.6K0.07%+5,000New
Supplemental Annuity Collective Trust of NJ5,000$917.0K0.27%00.0%Unchanged
Cove Private Wealth, LLC5,000$917.0K0.55%00.0%Unchanged
Arete Wealth Advisors, LLC5,015$920.0K0.07%+1,045+26.3%Added
Norden Group LLC5,016$920.1K0.10%−156−3.0%Reduced
Steel Peak Wealth Management LLC4,995$924.1K0.04%+4,995New
Fullcircle Wealth LLC4,872$925.6K0.38%−181−3.6%Reduced
BBR Partners, LLC5,052$926.6K0.06%−910−15.3%Reduced
Marcum Wealth, LLC5,059$927.9K0.08%−478−8.6%Reduced
Canandaigua National Trust Co of Florida5,063$928.6K0.72%+702+16.1%Added
BayBridge Capital Group, LLC5,066$929.2K0.67%−81−1.6%Reduced
Prosperity Consulting Group, LLC5,067$929.3K0.07%−215−4.1%Reduced
Wright Investors Service Inc5,094$934.3K0.30%−449−8.1%Reduced
Westbourne Investments, Inc.5,136$942.0K0.56%+5,136New
Inceptionr LLC5,191$952.1K0.21%+2,631+102.8%Added
Perigon Wealth Management, LLC5,018$953.8K0.02%−978−16.3%Reduced
United Bank5,223$958.0K0.40%+391+8.1%Added
StoneX Group Inc.5,182$958.2K0.05%−1,467−22.1%Reduced
Valeo Financial Advisors, LLC5,230$959.3K0.03%+322+6.6%Added
Hutchens & Kramer Investment Management Group, LLC5,272$966.9K0.52%+24+0.5%Added
RB Capital Management, LLC5,284$969.2K0.23%−530−9.1%Reduced
Somerset Trust Co5,326$976.8K0.37%+285+5.7%Added
Safe Harbor Fiduciary, LLC5,330$977.6K1.00%+58+1.1%Added
Portside Wealth Group, LLC5,331$977.8K0.16%−364−6.4%Reduced
Mattson Financial Services, LLC4,216$980.5K0.31%−1,860−30.6%Reduced
Trail Ridge Investment Advisors, LLC5,348$980.9K0.47%−66−1.2%Reduced
Commons Capital, LLC5,349$981.1K0.89%+235+4.6%Added
Douglass Winthrop Advisors, LLC5,377$986.2K0.02%+144+2.8%Added
Sonora Investment Management Group, LLC5,409$992.1K0.08%−145−2.6%Reduced
Everence Capital Management Inc5,412$993.0K0.06%−5,790−51.7%Reduced
Mather Group, LLC.5,425$995.0K0.01%−343−5.9%Reduced
Concurrent Investment Advisors, LLC5,428$995.5K0.03%−2,347−30.2%Reduced
MTM Investment Management, LLC5,431$995.9K0.38%−117−2.1%Reduced
Equitable Holdings, Inc.5,472$1.00M0.01%+89+1.7%Added
Modern Wealth Management, LLC5,474$1.00M0.04%+5,474New
AMG National Trust Bank5,478$1.00M0.03%−972−15.1%Reduced
Marion Wealth Management5,488$1.01M0.27%+156+2.9%Added
Shelton Capital Management5,488$1.01M0.03%00.0%Unchanged
Ronald Blue Trust, Inc.5,526$1.01M0.01%+349+6.7%Added
Northwest Bank & Trust Co4,851$1.01M0.75%−25−0.5%Reduced
Hilltop Holdings Inc.5,538$1.02M0.06%−204−3.6%Reduced
Ledyard National Bank5,543$1.02M0.10%−119−2.1%Reduced
Signet Financial Management, LLC5,547$1.02M0.13%−1,324−19.3%Reduced
Nicolet Bankshares Inc5,582$1.02M0.24%−617−10.0%Reduced
Davy Global Fund Management Ltd5,592$1.03M0.12%−765−12.0%Reduced
NorthRock Partners, LLC5,566$1.03M0.03%−740−11.7%Reduced
Hartford Funds Management Co LLC5,645$1.04M0.09%+21+0.4%Added
Pring Turner Capital Group Inc5,706$1.05M0.70%+1,073+23.2%Added
Parr McKnight Wealth Management Group, LLC5,720$1.05M0.15%+5,720New
Quadrant Capital Group LLC5,736$1.05M0.07%−277−4.6%Reduced
Altshuler Shaham Ltd5,750$1.05M0.04%+5,750New
Sheaff Brock Investment Advisors, LLC5,762$1.06M0.09%−623−9.8%Reduced
Nations Financial Group Inc,5,768$1.06M0.08%−26−0.4%Reduced
AlTi Global, Inc.5,711$1.06M0.03%+173+3.1%Added
Pensionmark Financial Group, LLC5,773$1.06M0.03%+1,728+42.7%Added
Kingswood Wealth Advisors, LLC5,798$1.06M0.08%−4,115−41.5%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC5,802$1.06M0.00%+1,132+24.2%Added
Financial Engines Advisors L.L.C.5,821$1.07M0.00%+5,821New
Hudson Valley Investment Advisors Inc5,830$1.07M0.12%−808−12.2%Reduced
Beverly Hills Private Wealth, LLC5,840$1.07M0.22%−215−3.6%Reduced
Group One Trading, L.P.5,842$1.07M0.04%+5,842New
Colton Groome Financial Advisors, LLC5,847$1.07M0.41%−1,420−19.5%Reduced
Kirtland Hills Capital Management, LLC5,896$1.08M0.69%−1,059−15.2%Reduced
Nebula Research & Development LLC5,903$1.08M0.13%+5,903New
Illinois Municipal Retirement Fund5,936$1.09M0.02%+2,804+89.5%Added
First Hawaiian Bank5,947$1.09M0.04%−55−0.9%Reduced