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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 2026

Institutional positions in American Tower Corp as of Jun 30, 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
1,757
+22 vs. Q1 2026
Shares held
439.8M
+8.58M (+2.0%) vs. Q1 2026
Total value
$72.0B
−$2.34B (−3.2%) vs. Q1 2026
New holders
175
687 more added
Sold out
153
673 more reduced

25 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 1,757 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 2026: $72.0B
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, Q2 2026

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q1 2026.

Institutions holding AMT in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Thompson Investment Management, Inc.20,383$3.33M0.38%+386+1.9%Added
Brevan Howard Capital Management LP20,594$3.37M0.05%+9,999+94.4%Added
Kingsview Wealth Management, LLC20,624$3.37M0.04%−34,303−62.5%Reduced
Tower Research Capital LLC (TRC)20,818$3.41M0.08%−25,479−55.0%Reduced
Merit Financial Group, LLC20,853$3.41M0.02%+7,848+60.3%Added
IFG Advisory, LLC21,040$3.44M0.12%+21,040New
NBC Securities, Inc.21,135$3.46M0.23%+15,879+302.1%Added
Value Partners Investments Inc.21,199$3.46M0.24%00.0%Unchanged
Intact Investment Management Inc.21,200$3.47M0.10%00.0%Unchanged
Bill Few Associates, Inc.21,314$3.49M0.75%+269+1.3%Added
Third View Private Wealth, LLC21,469$3.51M0.43%−1,301−5.7%Reduced
E. Ohman J:or Asset Management AB21,480$3.51M0.08%+1,850+9.4%Added
Impax Asset Management Group plc21,623$3.54M0.02%−54,603−71.6%Reduced
Siemens Fonds Invest GmbH21,826$3.57M0.18%+230+1.1%Added
AG2R la Mondiale Gestion D'Actifs21,842$3.57M0.13%+1,549+7.6%Added
Lockheed Martin Investment Management Co21,850$3.57M0.14%−2,740−11.1%Reduced
Erste Asset Management GmbH21,246$3.58M0.03%+774+3.8%Added
Beacon Pointe Advisors, LLC21,953$3.59M0.02%−455−2.0%Reduced
First Manhattan Co21,826$3.61M0.01%−173,622−88.8%Reduced
Brookstone Capital Management22,064$3.61M0.04%+13,727+164.7%Added
Edgewood Management LLC22,238$3.64M0.04%00.0%Unchanged
Ables, Iannone, Moore & Associates, Inc.22,685$3.71M1.98%+780+3.6%Added
Sitrin Capital Management LLC22,485$3.72M1.65%−357−1.6%Reduced
Slagle Financial, LLC22,744$3.72M1.11%+22,744New
Jupiter Asset Management Ltd23,440$3.74M0.02%+1,041+4.6%Added
Waterloo Capital, L.P.22,948$3.75M0.21%+11,128+94.1%Added
Heritage Trust Co22,978$3.76M0.33%+99+0.4%Added
Ofi Invest Asset Management25,061$3.79M0.04%−52,299−67.6%Reduced
Charter Trust Co23,157$3.79M0.20%+32+0.1%Added
New Mexico Educational Retirement Board23,268$3.81M0.10%+1,900+8.9%Added
Gamco Investors, Inc. Et Al23,385$3.83M0.03%−1,190−4.8%Reduced
GSI Capital Advisors LLC23,537$3.85M1.82%+374+1.6%Added
Apollon Wealth Management, LLC23,545$3.85M0.05%+16,416+230.3%Added
Peapack Gladstone Financial Corp23,640$3.87M0.04%−489−2.0%Reduced
Weiss Asset Management LP23,761$3.89M0.04%+23,761New
Benjamin Edwards Inc23,783$3.89M0.04%+2,149+9.9%Added
Louisiana State Employees Retirement System23,800$3.89M0.06%−100−0.4%Reduced
Perryman Financial Advisory Inc24,045$3.93M0.52%+1,137+5.0%Added
Liberty Capital Management, Inc.24,414$3.99M0.69%+24,414New
Sophron Capital Management L.P.24,682$4.04M1.25%+3,470+16.4%Added
Coldstream Capital Management Inc24,775$4.05M0.05%−1,638−6.2%Reduced
We Are One Seven, LLC25,115$4.11M0.07%+1,783+7.6%Added
TD Private Client Wealth LLC25,220$4.13M0.08%+320+1.3%Added
ProVise Management Group, LLC25,282$4.14M0.28%+6,395+33.9%Added
Gsa Capital Partners LLP25,531$4.18M0.26%+11,653+84.0%Added
Hartford Investment Management Co25,714$4.21M0.12%−921−3.5%Reduced
Hallmark Capital Management Inc26,576$4.35M0.25%+714+2.8%Added
Taikang Asset Management (Hong Kong) Co Ltd26,578$4.35M0.40%−2,725−9.3%Reduced
Mission Wealth Management, LP26,721$4.37M0.05%+24,617+1,170.0%Added
SummitTX Capital, L.P.27,023$4.42M0.12%+27,023New
Jacobs & Co27,166$4.44M0.38%−10,088−27.1%Reduced
Algert Global LLC27,405$4.48M0.05%+1,080+4.1%Added
Roberts Wealth Advisors, LLC27,705$4.53M1.03%+1,076+4.0%Added
Fiduciary Group LLC27,769$4.54M0.36%−1,313−4.5%Reduced
M. Kulyk & Associates, LLC27,775$4.54M0.74%+1,985+7.7%Added
Bartlett & Co. Wealth Management LLC27,958$4.62M0.06%−2,523−8.3%Reduced
Madison Asset Management, LLC28,300$4.63M0.06%−268−0.9%Reduced
Northwest & Ethical Investments L.P.28,488$4.66M0.11%−27,847−49.4%Reduced
Alps Advisors Inc28,906$4.73M0.02%+27,706+2,308.8%Added
Norinchukin Bank, The28,989$4.74M0.05%+3,044+11.7%Added
Akre Capital Management LLCSuperinvestorAkre Capital Management29,254$4.79M0.09%−21,518−42.4%Reduced
Kentucky Retirement Systems29,530$4.83M0.12%−3,052−9.4%Reduced
Adell Harriman & Carpenter Inc29,645$4.85M0.25%−285−1.0%Reduced
Hamilton Capital Partners Inc.29,674$4.85M0.14%+1,585+5.6%Added
Cincinnati Specialty Underwriters Insurance CO30,000$4.91M1.09%00.0%Unchanged
Canal Capital Management, LLC30,241$4.95M0.60%−4,230−12.3%Reduced
Hantz Financial Services, Inc.30,324$4.96M0.07%−182−0.6%Reduced
Schroder Investment Management Group30,404$4.97M0.00%−4,028−11.7%Reduced
Sherman Porfolios, LLC28,891$4.99M0.39%−165−0.6%Reduced
Allianz SE30,901$5.05M0.05%−1,220−3.8%Reduced
Ally Financial Inc.31,000$5.07M0.65%00.0%Unchanged
Empowered Funds, LLC31,020$5.07M0.03%+5,847+23.2%Added
Employees Retirement System of Texas31,234$5.11M0.04%00.0%Unchanged
MidFirst Bank31,259$5.11M0.36%+683+2.2%Added
Bank Julius Baer & Co. Ltd, Zurich31,353$5.13M0.01%+4,702+17.6%Added
Prospect Capital Advisors, LLC31,440$5.14M2.33%00.0%Unchanged
Pinkerton Retirement Specialists, LLC29,890$5.16M0.44%+29,890New
EP Wealth Advisors, LLC31,956$5.23M0.02%−48,997−60.5%Reduced
Parsons Capital Management Inc32,146$5.26M0.24%+120+0.4%Added
Easterly Investment Partners LLC32,231$5.27M0.27%−10,931−25.3%Reduced
Bernzott Capital Advisors32,238$5.27M2.11%−9,923−23.5%Reduced
Osmosis Investment Management UK Ltd32,689$5.35M0.25%−6,464−16.5%Reduced
HM Payson & Co33,273$5.44M0.07%−302−0.9%Reduced
One Capital Management, LLC31,595$5.45M0.15%00.0%Unchanged
Groupe la Francaise33,505$5.48M0.07%+25,508+319.0%Added
Jump Financial, LLC33,700$5.51M0.05%−22,897−40.5%Reduced
Trust Co of Vermont34,268$5.61M0.21%+34,268New
Quadrature Capital Ltd34,328$5.62M0.05%+34,328New
Winton Group Ltd34,434$5.63M0.18%+31,534+1,087.4%Added
1832 Asset Management L.P.34,736$5.68M0.01%−5,057−12.7%Reduced
Harber Asset Management LLC35,226$5.76M3.46%+5,050+16.7%Added
Advisory Services Network, LLC35,421$5.79M0.07%−7,760−18.0%Reduced
Cambridge Investment Research Advisors, Inc.35,478$5.80M0.01%+735+2.1%Added
Gulf International Bank (UK) Ltd35,579$5.82M0.11%−563−1.6%Reduced
Simplex Trading, LLC35,639$5.83M0.15%+12,131+51.6%Added
Quantbot Technologies LP35,771$5.85M0.23%−10,659−23.0%Reduced
Bridgewater Associates, LP35,924$5.88M0.02%−20,990−36.9%Reduced
Steward Partners Investment Advisory, LLC35,937$5.88M0.03%+4,329+13.7%Added
Vancity Investment Management Ltd36,056$5.90M0.89%−10.0%Reduced
Naviter Wealth, LLC35,800$5.92M0.54%+7,357+25.9%Added