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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, Q3 2024

Institutional positions in American Tower Corp as of Sep 30, 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
1,852
+107 vs. Q2 2024
Shares held
429.0M
+36.7M (+9.4%) vs. Q2 2024
Total value
$99.4B
+$23.1B (+30.3%) vs. Q2 2024
New holders
203
677 more added
Sold out
96
720 more reduced

24 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 1,852 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 heldQ3 2024: $99.4B
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, Q3 2024

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2024.

Institutions holding AMT in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Northeast Investment Management183,625$42.7M1.91%+923+0.5%Added
Factory Mutual Insurance Co181,500$42.2M0.44%+18,100+11.1%Added
Ci Investments Inc.180,423$42.0M0.16%−29,715−14.1%Reduced
HighTower Advisors, LLC180,328$41.8M0.06%+10,829+6.4%Added
Natixis Advisors, L.P.177,947$41.4M0.08%+30,499+20.7%Added
GW&K Investment Management, LLC176,875$41.1M0.35%−3,084−1.7%Reduced
BI Asset Management Fondsmaeglerselskab A/S170,449$39.6M0.69%+8,541+5.3%Added
NZS Capital, LLC170,340$39.6M1.54%+170,340New
Junto Capital Management LP170,116$39.6M0.89%−26,047−13.3%Reduced
Credit Agricole S A169,372$39.4M0.21%+97,275+134.9%Added
Barr E S & Co167,431$38.9M2.43%+2,239+1.4%Added
Victory Capital Management Inc166,600$38.7M0.04%−12,564−7.0%Reduced
Greenleaf Trust164,772$38.3M0.34%+280.0%Added
AQR Capital Management LLC162,993$37.5M0.05%+16,005+10.9%Added
Aureus Asset Management, LLC161,181$37.5M2.45%−4,376−2.6%Reduced
GEM Realty Capital154,641$36.0M3.40%−70,846−31.4%Reduced
Commonwealth Equity Services, LLC148,908$34.6M0.05%−4,341−2.8%Reduced
Citadel Advisors LLC148,341$34.5M0.04%+128,926+664.1%Added
Bridges Investment Management Inc148,071$34.4M0.48%−1,138−0.8%Reduced
Truist Financial Corp146,640$34.1M0.05%−42,423−22.4%Reduced
Boston Financial Mangement LLC145,614$33.9M1.01%−1,865−1.3%Reduced
IFM Investors Pty Ltd145,079$33.7M0.32%−79−0.1%Reduced
Calamos Advisors LLC144,561$33.6M0.16%−586−0.4%Reduced
Kingsview Wealth Management, LLC143,658$33.4M0.70%+6,974+5.1%Added
First Financial Bankshares Inc143,090$33.3M0.70%−1,463−1.0%Reduced
MetLife Investment Management142,712$33.2M0.19%−3,498−2.4%Reduced
Nomura Asset Management Co Ltd141,328$32.9M0.10%+5,631+4.1%Added
Balyasny Asset Management LLC140,846$32.8M0.08%+128,235+1,016.9%Added
Baird Financial Group, Inc.140,451$32.7M0.06%+13,958+11.0%Added
Mirae Asset Global ETFs Holdings Ltd.140,006$32.6M0.07%+8,905+6.8%Added
Klingenstein Fields & Co LP139,657$32.5M1.29%+594+0.4%Added
Fifth Third Bancorp135,889$31.6M0.11%+4,075+3.1%Added
Arizona State Retirement System133,893$31.1M0.20%−1,482−1.1%Reduced
Financial Counselors Inc133,327$31.0M0.46%+968+0.7%Added
Teacher Retirement System of Texas130,883$30.4M0.14%−7,098−5.1%Reduced
Lord, Abbett & Co. LLC130,869$30.4M0.10%+130,869New
Thrivent Financial for Lutherans130,175$30.3M0.06%+1,453+1.1%Added
Boston Family Office LLC129,482$30.1M2.04%−143−0.1%Reduced
Cerity Partners LLC129,234$30.1M0.07%+34,670+36.7%Added
Oppenheimer Asset Management Inc.127,226$29.6M0.36%−4,330−3.3%Reduced
State of Michigan Retirement System127,184$29.6M0.15%−700−0.5%Reduced
Corebridge Financial, Inc.126,829$29.5M0.16%−3,594−2.8%Reduced
Carnegie Capital Asset Management, LLC125,565$29.2M0.86%+5,476+4.6%Added
United Capital Financial Advisers, LLC125,031$29.1M0.24%−881−0.7%Reduced
J. Safra Sarasin Holding AG124,814$29.0M0.50%−5,505−4.2%Reduced
Quintet Private Bank (Europe) S.A.124,628$29.0M1.66%+23,094+22.7%Added
Van Eck Associates Corp127,708$28.9M0.04%+11,729+10.1%Added
Jones Financial Companies LLLP122,221$28.3M0.03%+30,312+33.0%Added
Ancora Advisors, LLC120,001$27.9M0.64%+29,801+33.0%Added
Mill Capital Management, LLC119,243$27.7M2.17%+139+0.1%Added
Madison Asset Management, LLC119,025$27.7M0.31%−52,661−30.7%Reduced
DnB Asset Management AS118,505$27.6M0.12%+18,929+19.0%Added
Baillie Gifford & Co118,335$27.5M0.02%−39,450−25.0%Reduced
ProShare Advisors LLC117,634$27.4M0.07%−586−0.5%Reduced
Forsta Ap-Fonden117,000$27.2M0.21%+7,400+6.8%Added
FourThought Financial Partners, LLC116,654$27.1M3.22%+445+0.4%Added
J. Stern & Co. LLP116,458$27.1M2.89%+5,369+4.8%Added
Stock Yards Bank & Trust Co116,341$27.1M0.87%−12,708−9.8%Reduced
Guggenheim Capital LLC113,798$26.5M0.19%+5,137+4.7%Added
Ninety One UK Ltd112,748$26.2M0.07%+19,229+20.6%Added
Xponance, Inc.112,669$26.2M0.25%−1,312−1.2%Reduced
MAI Capital Management110,878$25.8M0.25%−3,806−3.3%Reduced
Millennium Management LLC110,160$25.6M0.02%−334,006−75.2%Reduced
Lido Advisors, LLC109,585$25.5M0.19%−1,139−1.0%Reduced
Gabelli Funds LLC108,750$25.3M0.18%+1,275+1.2%Added
Scotia Capital Inc.107,159$24.9M0.13%−18,974−15.0%Reduced
Advisors Asset Management, Inc.106,750$24.8M0.46%+3,741+3.6%Added
Premier Fund Managers Ltd107,101$24.7M0.88%+18,753+21.2%Added
Federation des caisses Desjardins du Quebec105,518$24.5M0.12%−4,324−3.9%Reduced
Teachers Retirement System of the State of Kentucky104,181$24.2M0.21%−16,921−14.0%Reduced
American Assets Capital Advisers, LLC104,000$24.2M7.42%−5,823−5.3%Reduced
Cetera Investment Advisers103,235$24.0M0.05%−11,678−10.2%Reduced
Heritage Investors Management Corp102,873$23.9M0.80%+985+1.0%Added
Eastern Bank102,427$23.8M0.43%+96,427+1,607.1%Added
Prudential PLC101,486$23.6M0.12%+12,583+14.2%Added
Jump Financial, LLC100,815$23.4M0.48%+71,575+244.8%Added
New York Life Investment Management LLC99,254$23.1M0.22%−7,503−7.0%Reduced
Amalgamated Bank98,005$22.8M0.19%−2,279−2.3%Reduced
Financiere des Professionnels - Fonds d,investissement inc.97,314$22.6M1.55%+50,868+109.5%Added
Land & Buildings Investment Management, LLC96,937$22.5M4.61%+96,937New
NFJ Investment Group, LLC96,580$22.5M0.66%−11,340−10.5%Reduced
Vancity Investment Management Ltd95,666$22.2M2.67%−100,890−51.3%Reduced
Czech National Bank95,149$22.1M0.22%+6,163+6.9%Added
Destination Wealth Management94,992$22.1M0.68%+2,517+2.7%Added
Skandinaviska Enskilda Banken AB (publ)94,518$22.0M0.10%+1,662+1.8%Added
Tudor Investment Corp Et Al94,379$21.9M0.24%+28,030+42.2%Added
Vestcor Inc93,847$21.8M0.69%+40.0%Added
Rockefeller Capital Management L.P.93,885$21.8M0.06%−2,706−2.8%Reduced
Pittenger & Anderson Inc93,634$21.8M0.82%+6,084+6.9%Added
GW Henssler & Associates Ltd93,350$21.7M1.23%−2,283−2.4%Reduced
River Road Asset Management, LLC93,147$21.7M0.28%+5,787+6.6%Added
Vert Asset Management LLC92,860$21.6M7.45%+588+0.6%Added
Keybank National Association92,786$21.6M0.08%−6,017−6.1%Reduced
RMB Capital Management, LLC92,726$21.6M0.49%−3,046−3.2%Reduced
Man Group plc92,325$21.5M0.06%+79,999+649.0%Added
USS Investment Management Ltd89,970$20.9M0.15%+104+0.1%Added
Susquehanna International Group, LLP89,823$20.9M0.04%−41,619−31.7%Reduced
Motley Fool Wealth Management, LLC88,941$20.7M1.04%−3,172−3.4%Reduced
CIBC Asset Management Inc88,610$20.6M0.07%+3,720+4.4%Added
Barton Investment Management88,309$20.5M2.57%−1,423−1.6%Reduced