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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
Commerzbank Aktiengesellschaft28,302$5.15M0.12%+13,550+91.9%Added
Hantz Financial Services, Inc.27,888$5.12M0.09%−1,141−3.9%Reduced
Princeton Capital Management LLC27,871$5.11M1.58%−1,924−6.5%Reduced
S.E.E.D. Planning Group LLC27,644$5.07M1.69%+3,460+14.3%Added
Clearstead Advisors, LLC27,299$5.01M0.08%+2,579+10.4%Added
Allstate Corp27,245$5.00M0.15%+9,667+55.0%Added
GEM Realty Capital27,242$5.00M0.49%−127,399−82.4%Reduced
Brown Brothers Harriman & Co26,815$4.92M0.03%−33,454−55.5%Reduced
NEOS Investment Management LLC26,446$4.85M0.11%+6,219+30.7%Added
Vinva Investment Management Ltd26,600$4.84M0.19%+1,439+5.7%Added
QRG Capital Management, Inc.26,342$4.83M0.05%−569−2.1%Reduced
Heritage Trust Co26,287$4.82M0.57%+26,287New
W.G. Shaheen & Associates DBA Whitney & Co26,012$4.77M0.50%−1,126−4.1%Reduced
Burling Wealth Partners, LLC25,899$4.75M0.97%+25,899New
Wolverine Asset Management LLC25,790$4.73M0.08%+25,790New
iA Global Asset Management Inc.25,700$4.71M0.08%−3,590−12.3%Reduced
Metis Global Partners, LLC25,689$4.71M0.14%+755+3.0%Added
Burney Co25,614$4.70M0.17%−770−2.9%Reduced
Gilman Hill Asset Management, LLC25,436$4.67M0.81%−655−2.5%Reduced
Roberts Wealth Advisors, LLC25,834$4.66M1.42%+618+2.5%Added
Bragg Financial Advisors, Inc25,277$4.64M0.19%−692−2.7%Reduced
NJ State Employees Deferred Compensation Plan25,200$4.62M0.56%00.0%Unchanged
Panagora Asset Management Inc25,120$4.61M0.02%+16,112+178.9%Added
Securian Asset Management, Inc25,113$4.61M0.13%−720−2.8%Reduced
Louisiana State Employees Retirement System25,100$4.60M0.09%−1,200−4.6%Reduced
Lockheed Martin Investment Management Co24,880$4.56M0.18%+480+2.0%Added
Achmea Investment Management B.V.24,843$4.56M0.07%00.0%Unchanged
Baskin Financial Services Inc.24,663$4.52M0.36%−277−1.1%Reduced
Appleton Partners Inc24,593$4.51M0.33%−127−0.5%Reduced
Charter Trust Co24,359$4.47M0.29%+1,010+4.3%Added
Westpac Banking Corp24,275$4.45M0.30%−4,731−16.3%Reduced
Wolverine Trading, LLC24,305$4.42M0.10%+10,562+76.9%Added
Rothschild Investment LLC23,515$4.31M0.28%−5,353−18.5%Reduced
Family Capital Trust Co23,458$4.30M1.46%+411+1.8%Added
We Are One Seven, LLC23,316$4.28M0.16%+1,401+6.4%Added
Canada Post Corp Registered Pension Plan23,267$4.27M0.25%+23,267New
Hills Bank & Trust Co22,979$4.21M0.32%+459+2.0%Added
Knuff & Co LLC22,823$4.19M1.27%+845+3.8%Added
NBW Capital LLC22,657$4.16M0.77%−13,763−37.8%Reduced
Investment Management Corp of Ontario22,584$4.14M0.14%−333−1.5%Reduced
Westwood Holdings Group Inc.22,581$4.14M0.03%+3,006+15.4%Added
TCG Advisory Services, LLC22,513$4.13M0.17%+1,574+7.5%Added
Equitable Trust Co22,399$4.11M0.23%+10,354+86.0%Added
Park Avenue Securities LLC22,335$4.10M0.04%−915−3.9%Reduced
New Mexico Educational Retirement Board22,268$4.08M0.14%−600−2.6%Reduced
CWA Asset Management Group, LLC22,239$4.08M0.21%−1,665−7.0%Reduced
Ausbil Investment Management Ltd22,309$4.07M2.45%−49,971−69.1%Reduced
FRG Family Wealth Advisors LLC21,960$4.03M0.73%−70−0.3%Reduced
FineMark National Bank & Trust21,925$4.02M0.14%−1,416−6.1%Reduced
Liberty Capital Management, Inc.21,919$4.02M0.89%−504−2.2%Reduced
Jupiter Wealth Management LLC21,605$3.96M1.99%−473−2.1%Reduced
National Asset Management, Inc.21,410$3.96M0.13%−6,277−22.7%Reduced
Riverview Capital Advisers, LLC21,528$3.95M1.19%−80−0.4%Reduced
Parallel Advisors, LLC21,280$3.90M0.09%−2,682−11.2%Reduced
Cape Cod Five Cents Savings Bank16,720$3.89M0.35%00.0%Unchanged
M. Kulyk & Associates, LLC21,118$3.87M0.84%−769−3.5%Reduced
Morningstar Investment Services LLC20,970$3.85M0.35%−165,738−88.8%Reduced
Strategic Planning Group, LLC20,816$3.82M0.70%+978+4.9%Added
E. Ohman J:or Asset Management AB20,770$3.81M0.09%+2,220+12.0%Added
Lincluden Management Ltd20,542$3.77M0.46%−3,102−13.1%Reduced
Fragasso Group Inc.20,515$3.76M0.29%−1,917−8.5%Reduced
Alta Capital Management LLC20,438$3.75M0.22%+1,220+6.3%Added
Toroso Investments, LLC20,325$3.73M0.03%+335+1.7%Added
Crestwood Advisors Group LLC20,245$3.71M0.07%−549−2.6%Reduced
Omers Administration Corp20,001$3.67M0.03%+3,423+20.6%Added
Norinchukin Bank, The19,982$3.66M0.08%+1,294+6.9%Added
D.A. Davidson & Co.19,962$3.66M0.03%−715−3.5%Reduced
Stokes Capital Advisors, LLC19,886$3.65M0.94%+832+4.4%Added
Gillson Capital LP19,850$3.64M0.33%+19,850New
Argent Trust Co19,773$3.63M0.15%−547−2.7%Reduced
Mesirow Financial Investment Management, Inc.19,678$3.61M0.07%−7,394−27.3%Reduced
Clear Harbor Asset Management, LLC19,603$3.60M0.29%−1,065−5.2%Reduced
AE Wealth Management LLC19,579$3.59M0.03%+1,936+11.0%Added
Sugarloaf Wealth Management, LLC19,564$3.59M0.68%+2,452+14.3%Added
Cullinan Associates Inc19,321$3.54M0.23%−3,042−13.6%Reduced
Shell Asset Management Co19,209$3.52M0.15%+28+0.1%Added
Beacon Pointe Advisors, LLC19,076$3.50M0.04%−1,479−7.2%Reduced
Account Management LLC19,050$3.49M4.09%+125+0.7%Added
Ieq Capital, LLC19,020$3.49M0.03%−1,087−5.4%Reduced
Northstar Asset Management LLC18,895$3.47M0.79%−780−4.0%Reduced
Red Door Wealth Management, LLC18,792$3.45M0.53%+1,186+6.7%Added
Gsa Capital Partners LLP18,728$3.44M0.25%+18,728New
Mirabella Financial Services LLP18,651$3.42M0.31%+18,651New
Semmax Financial Advisors Inc.17,958$3.41M0.91%+1,270+7.6%Added
Ninety One SA (PTY) Ltd18,419$3.38M0.75%−4,792−20.6%Reduced
Cyndeo Wealth Partners, LLC18,416$3.38M0.23%+534+3.0%Added
First Western Trust Bank18,290$3.35M0.15%−1,289−6.6%Reduced
Caisse de Depot Et Placement du Quebec18,283$3.35M0.01%00.0%Unchanged
CBOE Vest Financial, LLC18,282$3.35M0.06%+4,116+29.1%Added
Boyer & Corporon Wealth Management, LLC18,267$3.35M1.19%+18,267New
Perkins Coie Trust Co18,214$3.34M0.74%−538−2.9%Reduced
Quantbot Technologies LP18,182$3.33M0.12%+10,256+129.4%Added
Amica Mutual Insurance Co18,029$3.31M0.34%00.0%Unchanged
JB Capital LLC18,003$3.30M0.18%+726+4.2%Added
Ally Financial Inc.18,000$3.30M0.40%+18,000New
Dean Investment Associates, LLC17,870$3.28M0.47%−2,264−11.2%Reduced
Presima Inc.17,866$3.28M0.81%−369−2.0%Reduced
Massmutual Trust Co FSB17,860$3.28M0.09%−746−4.0%Reduced
Readystate Asset Management LP17,854$3.27M0.14%+17,854New
Commerce Bank17,672$3.24M0.02%−496−2.7%Reduced