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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 2025

Institutional positions in American Tower Corp as of Dec 31, 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
1,781
+27 vs. Q3 2025
Shares held
475.7M
+47.9M (+11.2%) vs. Q3 2025
Total value
$77.0B
−$5.27B (−6.4%) vs. Q3 2025
New holders
209
572 more added
Sold out
182
819 more reduced

45 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,781 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 2025: $77.0B
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, Q4 2025

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q3 2025.

Institutions holding AMT in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Los Angeles Capital Management LLC182,612$32.8M0.11%+7,604+4.3%Added
TD Asset Management Inc185,661$32.6M0.03%−142,013−43.3%Reduced
Cetera Investment Advisers182,067$32.0M0.03%−12,132−6.2%Reduced
Forsta Ap-Fonden180,700$31.7M0.19%−8,100−4.3%Reduced
B&I Capital AG179,058$31.4M11.18%−1,700−0.9%Reduced
Susquehanna International Group, LLP178,117$31.3M0.04%+8,989+5.3%Added
Van Eck Associates Corp176,835$31.0M0.03%+10,538+6.3%Added
Sora Investors LLC176,315$31.0M2.67%+176,315New
Pinebridge Investments LLC176,193$30.9M0.23%+176,193New
Barr E S & Co175,052$30.7M1.60%−1,442−0.8%Reduced
British Columbia Investment Management Corp173,783$30.5M0.16%−5,658−3.2%Reduced
HighTower Advisors, LLC173,535$30.5M0.03%−11,914−6.4%Reduced
State of Tennessee, Treasury Department169,599$30.4M0.10%−1,371−0.8%Reduced
KLP Kapitalforvaltning AS169,713$30.0M0.12%+700+0.4%Added
HRT Financial LP170,336$29.9M0.09%+61,420+56.4%Added
Exchange Traded Concepts, LLC166,795$29.3M0.24%+34,115+25.7%Added
Raiffeisen Bank International AG164,362$29.0M0.38%+1,411+0.9%Added
Renaissance Technologies LLC162,039$28.4M0.04%+87,100+116.2%Added
BI Asset Management Fondsmaeglerselskab A/S180,732$28.4M0.25%−321−0.2%Reduced
Creative Planning161,876$28.4M0.02%+32,758+25.4%Added
Nisa Investment Advisors, LLC159,823$28.4M0.09%−10,747−6.3%Reduced
Howland Capital Management LLC159,742$28.3M1.08%−35,706−18.3%Reduced
Nomura Asset Management Co Ltd160,858$28.2M0.07%−3,991−2.4%Reduced
DF Dent & Co Inc160,045$28.1M0.40%−15,618−8.9%Reduced
Northeast Investment Management159,766$28.1M1.10%−7,285−4.4%Reduced
Quintet Private Bank (Europe) S.A.158,655$27.9M1.62%+1,733+1.1%Added
Lido Advisors, LLC142,512$27.3M0.11%−1,384−1.0%Reduced
Cerity Partners LLC154,204$27.1M0.04%+28,679+22.8%Added
GW&K Investment Management, LLC153,911$27.0M0.23%−2,015−1.3%Reduced
Brown Advisory Inc153,037$26.9M0.04%−8,904−5.5%Reduced
Haverford Trust Co152,862$26.8M0.24%−31,606−17.1%Reduced
STRS Ohio149,999$26.3M0.10%−4,268−2.8%Reduced
Saudi Central Bank147,674$26.2M0.98%+10.0%Added
Eastern Bank147,774$25.9M0.45%+8,683+6.2%Added
Calamos Advisors LLC144,149$25.3M0.10%−2,436−1.7%Reduced
ProShare Advisors LLC142,242$25.0M0.04%+10,645+8.1%Added
Wiley Bros.-Aintree Capital, LLC139,299$24.4M0.13%+1,529+1.1%Added
MetLife Investment Management134,773$23.7M0.11%−3,549−2.6%Reduced
Ancora Advisors, LLC132,030$23.2M0.48%−7,916−5.7%Reduced
Arizona State Retirement System131,825$23.1M0.13%−4,909−3.6%Reduced
Xponance, Inc.127,789$22.4M0.17%+6,066+5.0%Added
Agf Management Ltd126,175$22.2M0.10%−2,366−1.8%Reduced
Worldquant Millennium Advisors LLC125,915$22.1M0.09%+56,847+82.3%Added
Vert Asset Management LLC125,806$22.1M7.35%+22,684+22.0%Added
Foresight Group Ltd Liability Partnership124,014$21.9M3.51%−3,364−2.6%Reduced
Groupama Asset Managment124,118$21.8M0.32%+6,467+5.5%Added
Impax Asset Management Group plc123,777$21.7M0.14%−10,254−7.7%Reduced
Andra AP-fonden123,600$21.7M0.27%+39,511+47.0%Added
Czech National Bank123,444$21.7M0.14%+4,487+3.8%Added
CIBC Asset Management Inc123,088$21.6M0.05%+44,404+56.4%Added
Mill Capital Management, LLC122,982$21.6M1.56%+298+0.2%Added
State of Michigan Retirement System122,584$21.5M0.10%−12,300−9.1%Reduced
Boston Family Office LLC122,175$21.4M1.36%−1,130−0.9%Reduced
Oppenheimer Asset Management Inc.121,641$21.4M0.26%+1,627+1.4%Added
Natixis121,551$21.3M0.08%−90,281−42.6%Reduced
Baird Financial Group, Inc.121,350$21.3M0.03%−943−0.8%Reduced
FourThought Financial Partners, LLC121,242$21.3M1.80%−11,801−8.9%Reduced
NEOS Investment Management LLC120,562$21.2M0.12%+15,010+14.2%Added
DnB Asset Management AS120,340$21.1M0.07%+3,766+3.2%Added
Public Sector Pension Investment Board119,251$20.9M0.07%+18,305+18.1%Added
IFM Investors Pty Ltd118,696$20.8M0.17%+2,016+1.7%Added
Daiwa Securities Group Inc.118,641$20.8M0.07%+17,042+16.8%Added
Schonfeld Strategic Advisors LLC117,838$20.7M0.10%+47,626+67.8%Added
Carnegie Capital Asset Management, LLC116,605$20.5M0.38%−12,061−9.4%Reduced
Heritage Investors Management Corp116,390$20.4M0.60%+3,142+2.8%Added
Glenmede Trust Co NA116,296$20.4M0.10%+116,296New
Ofi Invest Asset Management135,180$20.3M0.29%+1,792+1.3%Added
Gotham Asset Management, LLC114,054$20.0M0.07%−4,044−3.4%Reduced
Advisors Asset Management, Inc.113,825$20.0M0.34%−1,309−1.1%Reduced
Greenleaf Trust113,549$19.9M0.18%−4,823−4.1%Reduced
Rockefeller Capital Management L.P.110,926$19.5M0.04%−2,759−2.4%Reduced
Commonwealth Equity Services, LLC111,006$19.5M0.03%−11,538−9.4%Reduced
Broad Run Investment Management, LLC109,875$19.3M3.58%−2,401−2.1%Reduced
Bank of Nova Scotia108,845$19.1M0.03%+33,623+44.7%Added
Gabelli Funds LLC108,040$19.0M0.13%+1,300+1.2%Added
Nissay Asset Management Corp106,993$18.8M0.10%+5,821+5.8%Added
Sone Capital Management, LLC106,377$18.7M1.52%−3,019−2.8%Reduced
Midwest Trust Co106,336$18.7M0.23%−6,746−6.0%Reduced
Mirae Asset Global Investments Co., Ltd.105,815$18.6M0.05%+9,022+9.3%Added
United Capital Financial Advisers, LLC105,213$18.5M0.11%−11,618−9.9%Reduced
Dana Investment Advisors, Inc.104,408$18.3M0.53%+91,789+727.4%Added
La Banque Postale Asset Management SA104,398$18.3M0.21%+33,713+47.7%Added
MAI Capital Management102,873$18.1M0.10%−10,829−9.5%Reduced
Amalgamated Bank102,474$18.0M0.13%−1,494−1.4%Reduced
Thrivent Financial for Lutherans102,058$17.9M0.03%−3,297−3.1%Reduced
Swiss Life Asset Management Ltd101,993$17.9M0.09%+12,464+13.9%Added
Prudential PLC101,965$17.9M0.14%−8,260−7.5%Reduced
Varma Mutual Pension Insurance Co101,906$17.9M0.11%+14,100+16.1%Added
Guggenheim Capital LLC100,281$17.6M0.13%+20,225+25.3%Added
Quantinno Capital Management LP99,498$17.5M0.04%+14,189+16.6%Added
Quadrature Capital Ltd99,316$17.4M0.18%−144,952−59.3%Reduced
Destination Wealth Management98,065$17.2M0.45%−8,438−7.9%Reduced
Reaves W H & Co Inc98,037$17.2M0.30%00.0%Unchanged
Wealthfront Advisers LLC97,961$17.2M0.04%+9,302+10.5%Added
Nan Shan Life Insurance Co., Ltd.95,766$16.8M0.52%00.0%Unchanged
PensionDanmark Pensionsforsikringsaktieselskab95,135$16.7M0.15%+95,135New
Motley Fool Asset Management LLC93,699$16.5M0.64%+9,325+11.1%Added
Stock Yards Bank & Trust Co93,236$16.4M0.50%−5,065−5.2%Reduced
Aew Capital Management L P92,670$16.3M1.18%+29,560+46.8%Added
J. Safra Sarasin Holding AG92,463$16.2M0.26%−28,113−23.3%Reduced