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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, Q1 2024

Institutional positions in American Tower Corp as of Mar 31, 2024. 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
1,769
−12 vs. Q4 2023
Shares held
430.9M
+893.9K (+0.2%) vs. Q4 2023
Total value
$85.0B
−$7.81B (−8.4%) vs. Q4 2023
New holders
150
752 more added
Sold out
162
655 more reduced

21 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 1,769 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 heldQ1 2024: $85.0B
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, Q1 2024

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q4 2023.

Institutions holding AMT in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
National Bank of Canada187,636$34.6M0.06%−29,947−13.8%Reduced
Truist Financial Corp172,497$34.1M0.05%+4,831+2.9%Added
Madison Asset Management, LLC171,264$33.8M0.42%+48,605+39.6%Added
Schroder Investment Management Group170,849$33.8M0.04%−5,360−3.0%Reduced
Aureus Asset Management, LLC169,692$33.5M2.29%+1,563+0.9%Added
Atalanta Sosnoff Capital, LLC167,722$33.1M0.77%−9,155−5.2%Reduced
Factory Mutual Insurance Co166,100$32.8M0.38%−5,700−3.3%Reduced
STRS Ohio164,214$32.4M0.13%−7,621−4.4%Reduced
Voloridge Investment Management, LLC161,160$31.8M0.12%+161,160New
Greenleaf Trust161,072$31.8M0.30%+3,610+2.3%Added
Barr E S & Co159,482$31.5M2.05%+4,602+3.0%Added
Boston Financial Mangement LLC157,521$31.1M0.99%+3,289+2.1%Added
KBC Group NV156,384$30.9M0.10%+7,434+5.0%Added
Baird Financial Group, Inc.155,649$30.8M0.06%+1,398+0.9%Added
Glenmede Trust Co NA155,085$30.6M0.15%+32,761+26.8%Added
AQR Capital Management LLC154,817$30.5M0.05%+1,332+0.9%Added
Pinebridge Investments, L.P.152,666$30.2M0.24%+118,953+352.8%Added
Commonwealth Equity Services, LLC150,590$29.8M0.05%+13,300+9.7%Added
Fifth Third Bancorp150,217$29.7M0.12%+5,924+4.1%Added
Calamos Advisors LLC147,157$29.1M0.14%−1,448−1.0%Reduced
Nomura Asset Management Co Ltd144,956$28.6M0.10%+1,637+1.1%Added
IFM Investors Pty Ltd144,425$28.5M0.31%−2,503−1.7%Reduced
Foresight Group Ltd Liability Partnership176,945$28.3M15.34%+612+0.3%Added
Scotia Capital Inc.143,231$28.3M0.17%−26,064−15.4%Reduced
First Financial Bankshares Inc142,579$28.2M0.63%+1,552+1.1%Added
Klingenstein Fields & Co LP141,378$27.9M1.16%−1,993−1.4%Reduced
United Capital Financial Advisers, LLC141,252$27.9M0.23%−255−0.2%Reduced
BI Asset Management Fondsmaeglerselskab A/S138,048$27.3M0.51%+17,424+14.4%Added
Colony Group, LLC137,567$27.2M0.22%+17,418+14.5%Added
Arizona State Retirement System133,774$26.4M0.18%+2,625+2.0%Added
American International Group, Inc.133,549$26.4M0.09%−1,240−0.9%Reduced
Man Group plc133,266$26.3M0.07%+123,608+1,279.9%Added
Stock Yards Bank & Trust Co131,924$26.1M0.86%+5,162+4.1%Added
DnB Asset Management AS129,592$25.6M0.13%−30,213−18.9%Reduced
Boston Family Office LLC129,414$25.6M1.84%−795−0.6%Reduced
Thrivent Financial for Lutherans128,877$25.5M0.05%+744+0.6%Added
Cerity Partners LLC132,484$25.4M0.07%+47,655+56.2%Added
MetLife Investment Management128,392$25.4M0.17%−3,949−3.0%Reduced
Financial Counselors Inc127,879$25.3M0.43%+34,780+37.4%Added
State of Michigan Retirement System127,684$25.2M0.14%+100+0.1%Added
Twin Tree Management, LP126,451$25.0M0.57%+126,451New
Mirae Asset Global Investments Co., Ltd.127,719$24.8M0.05%+8,658+7.3%Added
Teachers Retirement System of the State of Kentucky124,864$24.7M0.22%+9,924+8.6%Added
MAI Capital Management123,563$24.4M0.25%+24,680+25.0%Added
Carnegie Capital Asset Management, LLC121,614$24.0M0.75%+7,061+6.2%Added
Natixis Advisors, L.P.119,171$23.5M0.05%+114+0.1%Added
Qube Research & Technologies Ltd118,872$23.5M0.04%+92,575+352.0%Added
Ninety One UK Ltd118,156$23.3M0.07%+2,860+2.5%Added
ProShare Advisors LLC117,999$23.3M0.06%−4,935−4.0%Reduced
Mill Capital Management, LLC116,964$23.1M1.93%+404+0.3%Added
Guggenheim Capital LLC115,863$22.9M0.16%−1,188−1.0%Reduced
Xponance, Inc.115,039$22.7M0.24%+2,023+1.8%Added
Forsta Ap-Fonden114,300$22.6M0.19%+22,000+23.8%Added
First Manhattan Co113,778$22.5M0.07%−372,930−76.6%Reduced
Janney Montgomery Scott LLC112,602$22.2M0.07%+972+0.9%Added
Morningstar Investment Services LLC112,194$22.1M0.24%+108,100+2,640.4%Added
Cetera Investment Advisers111,449$22.0M0.05%+86,359+344.2%Added
Susquehanna International Group, LLP111,203$22.0M0.03%−28,486−20.4%Reduced
J. Stern & Co. LLP109,950$21.7M2.75%+28,826+35.5%Added
Agf Management Ltd108,552$21.4M0.12%−2,917−2.6%Reduced
Campbell Newman Asset Management Inc107,493$21.2M1.72%−668−0.6%Reduced
Rockefeller Capital Management L.P.107,449$21.2M0.06%+7,732+7.8%Added
Van Eck Associates Corp106,912$21.1M0.03%+1,397+1.3%Added
Gabelli Funds LLC106,800$21.1M0.16%+2,445+2.3%Added
New York Life Investment Management LLC106,413$21.0M0.21%−4,481−4.0%Reduced
Keybank National Association106,022$20.9M0.09%−6,761−6.0%Reduced
SG Americas Securities, LLC105,219$20.8M0.11%+68,804+188.9%Added
RMB Capital Management, LLC104,671$20.7M0.47%−1,011−1.0%Reduced
Barton Investment Management104,227$20.6M2.50%−1,334−1.3%Reduced
Groupama Asset Managment91,052$20.6M0.38%−115,304−55.9%Reduced
Lido Advisors, LLC103,568$20.5M0.18%+4,581+4.6%Added
Federation des caisses Desjardins du Quebec101,563$20.1M0.14%+32,191+46.4%Added
Amalgamated Bank101,237$20.0M0.17%−14,206−12.3%Reduced
American Assets Capital Advisers, LLC100,519$19.9M5.66%−41,410−29.2%Reduced
Advisors Asset Management, Inc.99,849$19.7M0.38%−5,593−5.3%Reduced
Oppenheimer Asset Management Inc.99,527$19.7M0.29%−8,393−7.8%Reduced
Varma Mutual Pension Insurance Co99,500$19.7M0.17%+79,600+400.0%Added
Vancity Investment Management Ltd99,270$19.6M2.34%+14,984+17.8%Added
GW Henssler & Associates Ltd98,613$19.5M1.14%−4,227−4.1%Reduced
Heritage Investors Management Corp97,034$19.2M0.68%+1,755+1.8%Added
Texas Permanent School Fund96,239$19.0M0.15%+111+0.1%Added
Vontobel Holding Ltd.96,223$19.0M0.15%+3,619+3.9%Added
Quintet Private Bank (Europe) S.A.85,226$19.0M0.85%+79,791+1,468.1%Added
FourThought Financial Partners, LLC93,562$18.5M2.12%+4,376+4.9%Added
Vestcor Inc93,347$18.4M0.63%+41,231+79.1%Added
Skandinaviska Enskilda Banken AB (publ)92,353$18.2M0.09%+1,456+1.6%Added
River Road Asset Management, LLC92,176$18.2M0.25%−18,017−16.4%Reduced
Motley Fool Wealth Management, LLC91,737$18.1M0.94%+1,124+1.2%Added
Advisor Group Holdings, Inc.90,115$17.8M0.04%−96,621−51.7%Reduced
Cambridge Trust Co89,532$17.7M0.67%+2,617+3.0%Added
Destination Wealth Management88,973$17.6M0.58%+9,516+12.0%Added
USS Investment Management Ltd88,219$17.4M0.14%+4,500+5.4%Added
Chilton Capital Management LLC87,066$17.2M0.81%−594−0.7%Reduced
Vert Asset Management LLC86,725$17.1M7.21%+2,035+2.4%Added
Envestnet Portfolio Solutions, Inc.86,360$17.1M0.06%+17,086+24.7%Added
Pittenger & Anderson Inc84,940$16.8M0.68%−2,112−2.4%Reduced
Gradient Investments LLC84,496$16.7M0.39%−165−0.2%Reduced
Nissay Asset Management Corp83,999$16.6M0.11%+429+0.5%Added
Private Advisor Group, LLC83,021$16.4M0.12%+8,517+11.4%Added
Czech National Bank82,022$16.2M0.21%+343+0.4%Added