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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
1,851
+30 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
140
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: 1,851 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: 1,851 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 20251,851$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
Colony Group, LLC280,782$62.1M0.13%+805+0.3%Added
State of Alaska, Department of Revenue281,428$62.2M0.67%−1,851−0.7%Reduced
Schroder Investment Management Group283,188$62.6M0.05%−5,050−1.8%Reduced
EP Wealth Advisors, LLC284,631$62.9M0.41%+2,904+1.0%Added
Davis R M Inc291,007$64.3M1.19%−2,160−0.7%Reduced
Wealth Enhancement Advisory Services, LLC290,752$64.5M0.11%+14,219+5.1%Added
Fisher Funds Management LTD292,801$64.7M1.54%−31,076−9.6%Reduced
The PNC Financial Services Group, Inc.295,232$65.3M0.04%−12,797−4.2%Reduced
Allianz Asset Management GmbH296,776$65.6M0.09%−69,060−18.9%Reduced
Natixis Advisors, L.P.299,238$66.1M0.10%+72,654+32.1%Added
AXA S.A.306,232$67.7M0.19%+44,253+16.9%Added
Toronto Dominion Bank308,753$68.2M0.15%+74,712+31.9%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main316,159$69.9M0.07%−534,886−62.9%Reduced
Stifel Financial Corp319,893$70.7M0.07%+25,381+8.6%Added
Los Angeles Capital Management LLC321,661$71.1M0.27%+110,671+52.5%Added
Partners Group Holding AG331,374$73.2M3.44%−42,295−11.3%Reduced
NZS Capital, LLC334,424$73.9M2.51%+76,107+29.5%Added
Prudential Financial Inc335,895$74.2M0.10%−7,432−2.2%Reduced
TD Asset Management Inc342,106$75.6M0.06%+1,774+0.5%Added
Oribel Capital Management, LP343,900$76.0M4.03%+343,900New
Pacer Advisors, Inc.344,061$76.0M0.19%+10,780+3.2%Added
Panagora Asset Management Inc350,300$77.4M0.35%+270,594+339.5%Added
Fort Washington Investment Advisors Inc352,575$77.9M0.45%+836+0.2%Added
Resolution Capital Ltd354,491$78.3M1.55%+20,364+6.1%Added
Retirement Systems of Alabama366,913$81.1M0.29%−2,417−0.7%Reduced
Kames Capital plc367,364$81.2M1.04%+135,451+58.4%Added
Korea Investment CORP367,928$81.3M0.18%+111,580+43.5%Added
Man Group plc368,061$81.3M0.18%+282,762+331.5%Added
Mitsubishi UFJ Trust & Banking Corp373,311$82.5M0.19%−322,709−46.4%Reduced
New York State Teachers Retirement System377,106$83.3M0.17%+3,332+0.9%Added
AQR Capital Management LLC385,663$83.9M0.07%+105,229+37.5%Added
Rathbone Brothers plc381,153$84.2M0.36%−31,363−7.6%Reduced
Border to Coast Pensions Partnership Ltd384,764$85.0M1.56%+7,584+2.0%Added
National Bank of Canada385,818$85.3M0.09%−50,851−11.6%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH388,228$85.8M0.15%−92,642−19.3%Reduced
Mariner, LLC399,542$88.3M0.13%+28,264+7.6%Added
Lansforsakringar Fondforvaltning AB (publ)400,733$88.6M0.51%+20,130+5.3%Added
UniSuper Management Pty Ltd401,651$88.8M0.59%+89,142+28.5%Added
Evercore Wealth Management, LLC405,552$89.6M1.39%−31,645−7.2%Reduced
Balyasny Asset Management LLC406,455$89.8M0.20%+51,541+14.5%Added
Douglas Lane & Associates, LLC413,913$91.5M1.33%−25,231−5.7%Reduced
CCLA Investment Management Ltd422,462$93.3M1.53%+16,089+4.0%Added
Pictet Asset Management Holding SA423,221$93.5M0.10%+145,912+52.6%Added
Alkeon Capital Management LLC428,401$94.7M0.46%00.0%Unchanged
Centersquare Investment Management LLC428,897$94.8M0.98%−125,390−22.6%Reduced
Brookfield Asset Management Inc.430,338$95.1M0.12%−48,221−10.1%Reduced
Avenir Corp432,985$95.7M9.84%−2,457−0.6%Reduced
LPL Financial LLC439,346$97.1M0.03%+43,890+11.1%Added
Maryland State Retirement & Pension System444,614$98.3M2.15%+26,490+6.3%Added
Douglass Winthrop Advisors, LLC444,998$98.4M1.78%+20,109+4.7%Added
BNP Paribas Arbitrage, SA445,259$98.4M0.08%−310,701−41.1%Reduced
Aviva PLC449,615$99.4M0.21%−51,539−10.3%Reduced
Great Lakes Advisors, LLC452,841$100.1M0.84%−10,427−2.3%Reduced
State Board of Administration of Florida Retirement System457,213$101.1M0.18%+10,043+2.2%Added
Adage Capital Partners GP, L.L.C.463,805$102.5M0.17%+142,700+44.4%Added
Canada Pension Plan Investment Board472,122$104.3M0.09%+106,640+29.2%Added
Lasalle Investment Management Securities LLC476,512$105.3M4.31%+4,704+1.0%Added
Marshall Wace, LLP509,621$112.6M0.13%−182,780−26.4%Reduced
Jain Global LLC510,744$112.9M1.75%+344,862+207.9%Added
DekaBank Deutsche Girozentrale535,381$116.9M0.21%−10,201−1.9%Reduced
Citigroup Inc540,791$119.5M0.08%−67,697−11.1%Reduced
Bank of Montreal564,402$124.7M0.06%−49,702−8.1%Reduced
Bamco Inc567,767$125.5M0.34%−131,909−18.9%Reduced
New York State Common Retirement Fund569,971$126.0M0.17%−5,000−0.9%Reduced
1832 Asset Management L.P.576,274$127.4M0.22%−412,901−41.7%Reduced
Macquarie Group Ltd591,018$130.6M0.16%+19,595+3.4%Added
Swedbank AB594,899$131.5M0.15%+594,899New
Liontrust Investment Partners LLP615,322$136.0M1.95%−36,062−5.5%Reduced
Federated Hermes, Inc.625,945$138.3M0.26%+69,256+12.4%Added
Mackenzie Financial Corp633,611$140.0M0.18%+152,154+31.6%Added
CI Private Wealth, LLC645,339$142.6M0.21%−3,474−0.5%Reduced
T. Rowe Price Investment Management, Inc.676,715$149.6M0.09%+25,926+4.0%Added
Standard Life Aberdeen plc699,188$152.4M0.26%+26,220+3.9%Added
Storebrand Asset Management AS696,577$154.0M0.45%+40,755+6.2%Added
Manufacturers Life Insurance Company, The718,497$158.8M0.14%−129,261−15.2%Reduced
California State Teachers Retirement System724,828$160.2M0.18%+1,599+0.2%Added
Blair William & Co773,174$170.9M0.47%−4,015−0.5%Reduced
Sarasin & Partners LLP776,536$171.6M1.71%−28,273−3.5%Reduced
Ensign Peak Advisors, Inc777,006$171.7M0.29%+171,464+28.3%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys777,550$171.9M0.91%+18,405+2.4%Added
Voya Investment Management LLC778,616$172.1M0.17%+76,130+10.8%Added
Envestnet Asset Management Inc780,250$172.5M0.05%+20,373+2.7%Added
Cbre Clarion Securities LLC798,849$176.6M2.68%+191,153+31.5%Added
Russell Investments Group, Ltd.817,218$180.5M0.23%−97,453−10.7%Reduced
Heard Capital LLC825,210$182.4M9.53%+23,998+3.0%Added
Magellan Asset Management Ltd837,281$185.1M2.12%−58,166−6.5%Reduced
Barclays PLC840,190$185.7M0.07%−241,210−22.3%Reduced
Davenport & Co LLC872,074$191.8M1.06%+253,708+41.0%Added
Duff & Phelps Investment Management Co877,866$194.0M2.28%−13,057−1.5%Reduced
M&G Plc884,285$195.4M1.08%−30,328−3.3%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.891,281$197.0M0.16%+59,346+7.1%Added
Akre Capital Management LLCSuperinvestorAkre Capital Management915,249$202.3M1.98%−1,673,943−64.7%Reduced
SEI Investments Co916,166$202.5M0.23%−208,873−18.6%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.964,453$213.2M0.52%+150,435+18.5%Added
Great West Life Assurance Co980,867$217.1M0.34%+117,373+13.6%Added
Bessemer Group Inc983,243$217.3M0.35%−153,660−13.5%Reduced
US Bancorp1,015,529$224.5M0.28%−45,348−4.3%Reduced
Vontobel Holding Ltd.1,073,068$237.2M0.78%−62,927−5.5%Reduced
Rhumbline Advisers1,078,789$238.4M0.20%+2,456+0.2%Added
Point72 Asset Management, L.P.1,097,380$242.5M0.57%−293,862−21.1%Reduced