Skip to main content

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, Q3 2025

Institutional positions in American Tower Corp as of Sep 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
1,799
−23 vs. Q2 2025
Shares held
429.3M
−647.6K (−0.2%) vs. Q2 2025
Total value
$82.5B
−$12.4B (−13.1%) vs. Q2 2025
New holders
132
648 more added
Sold out
155
751 more reduced

29 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,799 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 heldQ3 2025: $82.5B
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, Q3 2025

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2025.

Institutions holding AMT in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Qube Research & Technologies Ltd92,038$17.7M0.03%+92,038New
GW Henssler & Associates Ltd92,646$17.8M0.89%+575+0.6%Added
Assetmark, Inc92,914$17.9M0.04%+17,147+22.6%Added
Chilton Capital Management LLC92,731$18.0M0.61%+2,138+2.4%Added
Trillium Asset Management, LLC94,657$18.2M0.48%+7,958+9.2%Added
First Trust Advisors LP95,571$18.4M0.01%−13,553−12.4%Reduced
Nan Shan Life Insurance Co., Ltd.95,766$18.4M0.39%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.96,793$18.6M0.06%+7,872+8.9%Added
Reaves W H & Co Inc98,037$18.9M0.34%−95,000−49.2%Reduced
Stock Yards Bank & Trust Co98,301$18.9M0.59%−2,476−2.5%Reduced
Mar Vista Investment Partners LLC98,586$19.0M1.65%−21,241−17.7%Reduced
Public Sector Pension Investment Board100,946$19.4M0.07%+4,655+4.8%Added
Nissay Asset Management Corp101,172$19.5M0.11%+3,395+3.5%Added
Daiwa Securities Group Inc.101,599$19.5M0.07%+5,815+6.1%Added
Vert Asset Management LLC103,122$19.8M6.67%+9,872+10.6%Added
Amalgamated Bank103,968$20.0M0.14%+1,514+1.5%Added
Thrivent Financial for Lutherans105,355$20.3M0.04%−2,236−2.1%Reduced
NEOS Investment Management LLC105,552$20.3M0.15%+42,176+66.5%Added
Tudor Investment Corp Et Al105,643$20.3M0.13%+105,643New
Destination Wealth Management106,503$20.5M0.56%+1,669+1.6%Added
Gabelli Funds LLC106,740$20.5M0.14%+2,450+2.3%Added
O'Shaughnessy Asset Management, LLC107,644$20.7M0.12%−10,493−8.9%Reduced
Acadian Asset Management LLC108,951$20.9M0.04%+96,050+744.5%Added
HRT Financial LP108,916$20.9M0.08%+108,916New
Sone Capital Management, LLC109,396$21.0M1.76%+66,356+154.2%Added
Madison Asset Management, LLC110,199$21.2M0.23%−36,808−25.0%Reduced
Prudential PLC110,225$21.2M0.16%+14,183+14.8%Added
Truist Financial Corp111,711$21.5M0.03%−20,295−15.4%Reduced
Broad Run Investment Management, LLC112,276$21.6M3.53%−8,024−6.7%Reduced
Midwest Trust Co113,082$21.7M0.28%+574+0.5%Added
Heritage Investors Management Corp113,248$21.8M0.65%+5,142+4.8%Added
Ofi Invest Asset Management133,388$21.8M0.46%+3,421+2.6%Added
MAI Capital Management113,702$21.9M0.14%+630+0.6%Added
Rockefeller Capital Management L.P.113,685$21.9M0.04%+12,183+12.0%Added
Advisors Asset Management, Inc.115,134$22.1M0.38%−5,124−4.3%Reduced
DnB Asset Management AS116,574$22.4M0.08%+3,218+2.8%Added
United Capital Financial Advisers, LLC116,831$22.5M0.16%−6,379−5.2%Reduced
Groupama Asset Managment117,651$22.6M0.33%+17,086+17.0%Added
IFM Investors Pty Ltd116,680$22.7M0.20%+1,001+0.9%Added
Gotham Asset Management, LLC118,098$22.7M0.10%+30,506+34.8%Added
Greenleaf Trust118,372$22.8M0.21%+1,085+0.9%Added
Czech National Bank118,957$22.9M0.16%+4,528+4.0%Added
Oppenheimer Asset Management Inc.120,014$23.1M0.25%−3,841−3.1%Reduced
J. Safra Sarasin Holding AG120,576$23.2M0.38%−4,783−3.8%Reduced
Xponance, Inc.121,723$23.4M0.19%−1,110−0.9%Reduced
Teacher Retirement System of Texas122,154$23.5M0.09%+14,913+13.9%Added
Baird Financial Group, Inc.122,293$23.5M0.04%−2,579−2.1%Reduced
Commonwealth Equity Services, LLC122,544$23.6M0.03%−18,081−12.9%Reduced
Mill Capital Management, LLC122,684$23.6M1.75%+619+0.5%Added
Boston Family Office LLC123,305$23.7M1.51%−2,541−2.0%Reduced
Pacific Heights Asset Management LLC125,000$24.0M1.07%+25,000+25.0%Added
Cerity Partners LLC125,525$24.1M0.04%−1,711−1.3%Reduced
Foresight Group Ltd Liability Partnership127,378$24.5M3.66%+11,524+9.9%Added
Verition Fund Management LLC127,961$24.6M0.14%+95,655+296.1%Added
Agf Management Ltd128,541$24.7M0.11%−4,360−3.3%Reduced
Carnegie Capital Asset Management, LLC128,666$24.7M0.47%+3,835+3.1%Added
Creative Planning129,118$24.8M0.02%+36,919+40.0%Added
ProShare Advisors LLC131,597$25.3M0.05%−1,672−1.3%Reduced
Exchange Traded Concepts, LLC132,680$25.5M0.24%+64,807+95.5%Added
FourThought Financial Partners, LLC133,043$25.6M2.25%+5,376+4.2%Added
J. Stern & Co. LLP133,542$25.7M1.94%−3,647−2.7%Reduced
Impax Asset Management Group plc134,031$25.8M0.15%+21,576+19.2%Added
State of Michigan Retirement System134,884$25.9M0.12%−600−0.4%Reduced
Klingenstein Fields & Co LP134,983$26.0M0.98%−1,514−1.1%Reduced
Arizona State Retirement System136,734$26.3M0.14%−116−0.1%Reduced
Wiley Bros.-Aintree Capital, LLC137,770$26.4M0.17%−20,212−12.8%Reduced
MetLife Investment Management138,322$26.6M0.13%−2,248−1.6%Reduced
Eastern Bank139,091$26.7M0.48%+57,078+69.6%Added
Victory Capital Management Inc139,496$26.8M0.02%+5,393+4.0%Added
Glenmede Investment Management, LP139,907$26.9M0.13%+48,430+52.9%Added
Ancora Advisors, LLC139,946$26.9M0.54%+1,073+0.8%Added
Fifth Third Bancorp141,418$27.2M0.09%−9,677−6.4%Reduced
Lido Advisors, LLC143,896$27.9M0.11%+12,930+9.9%Added
Calamos Advisors LLC146,585$28.2M0.11%+428+0.3%Added
Saudi Central Bank147,673$28.7M1.09%00.0%Unchanged
Aptus Capital Advisors, LLC149,633$28.8M0.26%+4,642+3.2%Added
D. E. Shaw & Co., Inc.150,068$28.9M0.02%+146,217+3,796.9%Added
Cubist Systematic Strategies, LLC150,320$28.9M0.41%+150,320New
STRS Ohio154,267$29.7M0.11%−3,881−2.5%Reduced
Benchstone Capital Management LP155,638$29.9M4.08%+35,667+29.7%Added
GW&K Investment Management, LLC155,926$30.0M0.27%−1,659−1.1%Reduced
Clal Insurance Enterprises Holdings Ltd155,134$30.1M0.23%−80.0%Reduced
Quintet Private Bank (Europe) S.A.156,922$30.2M1.69%+9,473+6.4%Added
Brown Advisory Inc161,941$31.1M0.04%−6,459−3.8%Reduced
BI Asset Management Fondsmaeglerselskab A/S181,053$31.4M0.28%+8,466+4.9%Added
Raiffeisen Bank International AG162,951$31.7M0.42%+8,148+5.3%Added
Nomura Asset Management Co Ltd164,849$31.7M0.08%−29,224−15.1%Reduced
Van Eck Associates Corp166,297$32.0M0.03%+18,656+12.6%Added
Northeast Investment Management167,051$32.1M1.29%−2,979−1.8%Reduced
Ninety One UK Ltd167,979$32.3M0.07%−729−0.4%Reduced
Susquehanna International Group, LLP169,128$32.5M0.05%+112,228+197.2%Added
KLP Kapitalforvaltning AS169,013$32.7M0.13%+100+0.1%Added
State of Tennessee, Treasury Department170,970$32.9M0.11%−5,048−2.9%Reduced
Nisa Investment Advisors, LLC170,570$33.1M0.13%−27,606−13.9%Reduced
Los Angeles Capital Management LLC175,008$33.7M0.11%−146,653−45.6%Reduced
DF Dent & Co Inc175,663$33.8M0.44%−17,432−9.0%Reduced
Captrust Financial Advisors176,035$33.9M0.07%−8,608−4.7%Reduced
Barr E S & Co176,494$33.9M1.84%−1,584−0.9%Reduced
British Columbia Investment Management Corp179,441$34.5M0.20%+3,961+2.3%Added
B&I Capital AG180,758$34.8M12.03%+25,518+16.4%Added