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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, Q2 2025

Institutional positions in American Tower Corp as of Jun 30, 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
1,852
+31 vs. Q1 2025
Shares held
437.0M
+1.13M (+0.3%) vs. Q1 2025
Total value
$96.5B
+$1.72B (+1.8%) vs. Q1 2025
New holders
141
737 more added
Sold out
110
717 more reduced

24 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,852 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 heldQ2 2025: $96.5B
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, Q2 2025

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q1 2025.

Institutions holding AMT in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Hantz Financial Services, Inc.26,231$5.80M0.09%−629−2.3%Reduced
FIL Ltd25,839$5.71M0.00%+646+2.6%Added
Canada Post Corp Registered Pension Plan25,771$5.70M0.33%−12,792−33.2%Reduced
NBW Capital LLC25,721$5.68M1.23%+6,842+36.2%Added
Red Door Wealth Management, LLC25,720$5.68M0.68%+3,914+17.9%Added
Greenland Capital Management LP25,601$5.66M0.73%+15,570+155.2%Added
Ritholtz Wealth Management25,322$5.60M0.12%+2,155+9.3%Added
Johnson Investment Counsel Inc25,228$5.58M0.05%−5,738−18.5%Reduced
NJ State Employees Deferred Compensation Plan25,200$5.57M0.66%00.0%Unchanged
Dai-Ichi Life Insurance Company, Ltd24,985$5.52M0.15%−8,000−24.3%Reduced
Strategic Planning Group, LLC24,977$5.52M0.90%+931+3.9%Added
Heritage Trust Co24,964$5.52M0.64%−131−0.5%Reduced
Knuff & Co LLC24,889$5.50M1.73%+676+2.8%Added
Louisiana State Employees Retirement System24,700$5.46M0.10%−400−1.6%Reduced
SummitTX Capital, L.P.24,646$5.45M0.24%+19,221+354.3%Added
Synovus Financial Corp24,429$5.40M0.07%−12,493−33.8%Reduced
Securian Asset Management, Inc24,359$5.38M0.15%−405−1.6%Reduced
Norinchukin Bank, The24,257$5.36M0.08%+1,426+6.2%Added
Baskin Financial Services Inc.23,891$5.28M0.40%−462−1.9%Reduced
Gulf International Bank (UK) Ltd23,839$5.27M0.19%−3,221−11.9%Reduced
Charter Trust Co23,482$5.19M0.33%−625−2.6%Reduced
Family Capital Trust Co23,420$5.18M1.79%−38−0.2%Reduced
Alta Capital Management LLC23,359$5.16M0.29%+980+4.4%Added
Siemens Fonds Invest GmbH22,821$5.04M0.30%+1,269+5.9%Added
Intech Investment Management LLC22,804$5.04M0.05%−34,089−59.9%Reduced
Achmea Investment Management B.V.22,797$5.04M0.07%+22,797New
Mercer Global Advisors Inc22,692$5.02M0.01%−365−1.6%Reduced
AE Wealth Management LLC22,689$5.01M0.04%+1,779+8.5%Added
Lockheed Martin Investment Management Co22,610$5.00M0.18%−1,700−7.0%Reduced
FineMark National Bank & Trust22,565$4.99M0.17%−75−0.3%Reduced
Liberty Capital Management, Inc.22,522$4.98M1.00%+287+1.3%Added
Brown Brothers Harriman & Co22,443$4.96M0.03%−151−0.7%Reduced
Westpac Banking Corp22,233$4.91M0.33%−167−0.7%Reduced
Rothschild Investment LLC22,221$4.91M0.31%−1,148−4.9%Reduced
Crestwood Advisors Group LLC22,052$4.87M0.09%−546−2.4%Reduced
Parallel Advisors, LLC22,035$4.87M0.10%+423+2.0%Added
New Mexico Educational Retirement Board21,868$4.83M0.16%00.0%Unchanged
M. Kulyk & Associates, LLC21,761$4.81M1.04%+457+2.1%Added
Appleton Partners Inc21,647$4.78M0.34%−987−4.4%Reduced
Hills Bank & Trust Co21,364$4.72M0.30%−869−3.9%Reduced
Harbor Investment Advisory, LLC21,327$4.71M0.42%+3,364+18.7%Added
FRG Family Wealth Advisors LLC21,165$4.68M0.81%−300−1.4%Reduced
GSI Capital Advisors LLC20,837$4.61M2.47%+56+0.3%Added
Ausbil Investment Management Ltd20,696$4.57M2.68%−4,043−16.3%Reduced
Massmutual Trust Co FSB20,408$4.51M0.12%+410+2.1%Added
Brinker Capital Investments, LLC20,332$4.49M0.04%+3,611+21.6%Added
CWA Asset Management Group, LLC20,290$4.48M0.19%−103−0.5%Reduced
Beacon Pointe Advisors, LLC20,240$4.47M0.05%−102−0.5%Reduced
E. Ohman J:or Asset Management AB20,230$4.47M0.11%−40−0.2%Reduced
Waterfront Capital Partners, LLC20,000$4.42M1.10%−119,752−85.7%Reduced
TCG Advisory Services, LLC19,951$4.41M0.15%+34+0.2%Added
CWM, LLC19,916$4.40M0.02%+3,336+20.1%Added
Abn Amro Investment Solutions19,892$4.40M0.09%−30,499−60.5%Reduced
Burling Wealth Partners, LLC19,871$4.39M0.81%−2,695−11.9%Reduced
Dynamic Advisor Solutions LLC19,330$4.27M0.13%+4,301+28.6%Added
Banque Cantonale Vaudoise19,247$4.25M0.17%+390+2.1%Added
Tower Research Capital LLC (TRC)19,155$4.23M0.11%−306−1.6%Reduced
Account Management LLC19,050$4.21M4.62%00.0%Unchanged
Dean Investment Associates, LLC19,003$4.20M0.62%+287+1.5%Added
Callan Family Office, LLC18,784$4.15M0.13%+15,574+485.2%Added
Healthcare of Ontario Pension Plan Trust Fund18,674$4.13M0.01%+13,102+235.1%Added
Shell Asset Management Co18,597$4.11M0.14%+4,838+35.2%Added
Timber Creek Capital Management LLC19,476$4.09M1.04%−70−0.4%Reduced
Jupiter Wealth Management LLC19,838$4.05M2.05%−673−3.3%Reduced
Caisse de Depot Et Placement du Quebec18,283$4.04M0.01%00.0%Unchanged
Presima Inc.18,210$4.02M0.93%00.0%Unchanged
Ostrum Asset Management18,172$4.02M0.19%+1,953+12.0%Added
AG2R la Mondiale Gestion D'Actifs18,137$4.01M0.21%+446+2.5%Added
Amica Mutual Insurance Co18,029$3.98M0.38%00.0%Unchanged
Northstar Asset Management LLC17,907$3.96M0.91%−200−1.1%Reduced
ProVise Management Group, LLC17,750$3.92M0.31%+956+5.7%Added
Ninety One SA (PTY) Ltd17,634$3.89M0.64%00.0%Unchanged
Semmax Financial Advisors Inc.18,833$3.89M1.00%+151+0.8%Added
Cape Cod Five Cents Savings Bank16,720$3.89M0.36%00.0%Unchanged
JB Capital LLC17,527$3.87M0.19%−213−1.2%Reduced
Mesirow Financial Investment Management, Inc.17,524$3.87M0.08%−735−4.0%Reduced
Assenagon Asset Management S.A.17,478$3.86M0.01%+45+0.3%Added
Bill Few Associates, Inc.17,365$3.84M1.09%−200−1.1%Reduced
Omers Administration Corp17,142$3.79M0.03%00.0%Unchanged
Cornerstone Advisors, LLC17,000$3.76M0.13%−2,400−12.4%Reduced
First National Bank of Omaha16,998$3.76M0.24%+86+0.5%Added
Kinneret Advisory, LLC16,805$3.74M0.34%−25−0.1%Reduced
Ables, Iannone, Moore & Associates, Inc.16,922$3.74M2.33%−312−1.8%Reduced
Premier Fund Managers Ltd17,159$3.74M0.14%−81,383−82.6%Reduced
Second Line Capital, LLC16,630$3.70M0.86%+500+3.1%Added
Value Partners Investments Inc.16,699$3.69M0.29%−1,353−7.5%Reduced
Wesbanco Bank Inc16,611$3.67M0.11%+13,715+473.6%Added
Cullinan Associates Inc16,611$3.67M0.24%−710−4.1%Reduced
Brasada Capital Management, LP16,521$3.66M0.62%−7,376−30.9%Reduced
Congress Wealth Management LLC16,569$3.66M0.04%+635+4.0%Added
Perkins Coie Trust Co16,517$3.65M0.62%−932−5.3%Reduced
Harvest Fund Management Co., Ltd16,514$3.65M0.17%−10,649−39.2%Reduced
First Western Trust Bank16,382$3.62M0.16%−166−1.0%Reduced
Carrera Capital Advisors16,249$3.62M0.73%+16,249New
Cresset Asset Management, LLC16,168$3.60M0.02%+11,881+277.1%Added
Commerce Bank16,190$3.58M0.02%−1,891−10.5%Reduced
TFG Advisers LLC16,186$3.58M1.23%+47+0.3%Added
Compass Wealth Management LLC16,097$3.56M0.85%+30.0%Added
Sophron Capital Management L.P.15,993$3.53M1.08%+8,046+101.2%Added
Hunter Perkins Capital Management, LLC15,789$3.52M0.83%+13+0.1%Added