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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 2023

Institutional positions in American Tower Corp as of Sep 30, 2023. 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
1,634
−29 vs. Q2 2023
Shares held
424.7M
+2.25M (+0.5%) vs. Q2 2023
Total value
$69.9B
−$12.1B (−14.7%) vs. Q2 2023
New holders
119
660 more added
Sold out
148
657 more reduced

25 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 1,634 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 2023: $69.9B
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 2023

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2023.

Institutions holding AMT in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
HighTower Advisors, LLC193,616$31.6M0.06%−4,314−2.2%Reduced
State of Tennessee, Treasury Department192,168$31.6M0.13%−155,115−44.7%Reduced
Granite Bay Wealth Management, LLC167,602$30.6M0.30%+164,922+6,153.8%Added
Clark Capital Management Group, Inc.181,730$29.9M0.30%+3,578+2.0%Added
DekaBank Deutsche Girozentrale182,086$29.6M0.07%+52,994+41.1%Added
Public Employees Retirement Association of Colorado178,155$29.3M0.15%−5,192−2.8%Reduced
Fairview Capital Investment Management, LLC178,147$29.3M1.88%+116,294+188.0%Added
Victory Capital Management Inc177,288$29.2M0.03%+806+0.5%Added
STRS Ohio177,006$29.1M0.13%−2,719−1.5%Reduced
Scotia Capital Inc.176,792$29.1M0.21%−70,395−28.5%Reduced
Factory Mutual Insurance Co171,800$28.3M0.39%+26,000+17.8%Added
Schroder Investment Management Group170,054$28.0M0.04%−8,160−4.6%Reduced
Baillie Gifford & Co167,436$27.5M0.03%+86,345+106.5%Added
Aureus Asset Management, LLC166,006$27.3M2.19%+390.0%Added
Barr E S & Co161,777$26.6M1.93%+21,392+15.2%Added
Fifth Third Bancorp161,676$26.6M0.12%+1,474+0.9%Added
Handelsbanken Fonder AB161,673$26.6M0.15%+2,972+1.9%Added
Boston Financial Mangement LLC160,359$26.4M0.99%−4,659−2.8%Reduced
AQR Capital Management LLC158,725$26.1M0.05%+5,045+3.3%Added
Natixis152,979$25.2M0.20%−29,297−16.1%Reduced
Greenleaf Trust152,828$25.1M0.29%+3,737+2.5%Added
ExodusPoint Capital Management, LP151,788$25.0M0.32%+32,811+27.6%Added
KBC Group NV150,892$24.8M0.10%+3,921+2.7%Added
Calamos Advisors LLC149,380$24.6M0.13%+455+0.3%Added
Hazelview Securities Inc.151,909$24.6M4.47%+12,060+8.6%Added
IFM Investors Pty Ltd148,242$24.4M0.32%+265+0.2%Added
Heitman Real Estate Securities LLC145,954$24.0M1.44%+6,635+4.8%Added
American Assets Capital Advisers, LLC145,745$24.0M6.77%−23,179−13.7%Reduced
Qube Research & Technologies Ltd145,288$23.9M0.07%+145,288New
Mirae Asset Global Investments Co., Ltd.143,516$23.6M0.05%+3,425+2.4%Added
ABN AMRO Bank N.V.143,441$23.6M0.42%+11,529+8.7%Added
Klingenstein Fields & Co LP143,393$23.6M1.15%−9,206−6.0%Reduced
Dearborn Partners LLC141,408$23.3M0.91%−1,171−0.8%Reduced
Baird Financial Group, Inc.140,497$23.1M0.06%−51,013−26.6%Reduced
Commonwealth Equity Services, LLC135,814$22.3M0.05%−19,099−12.3%Reduced
American International Group, Inc.135,288$22.2M0.14%−2,303−1.7%Reduced
MetLife Investment Management134,691$22.1M0.17%−2,992−2.2%Reduced
Adelante Capital Management LLC132,348$21.8M1.76%+31,293+31.0%Added
Boston Family Office LLC132,107$21.7M1.78%+14,268+12.1%Added
Arizona State Retirement System131,915$21.7M0.18%−1,299−1.0%Reduced
DnB Asset Management AS129,957$21.4M0.13%+2,377+1.9%Added
ProShare Advisors LLC128,569$21.1M0.07%−7,150−5.3%Reduced
United Capital Financial Advisers, LLC128,532$21.1M0.14%−6,337−4.7%Reduced
Nomura Asset Management Co Ltd128,167$21.1M0.10%+313+0.2%Added
State of Michigan Retirement System127,784$21.0M0.14%−400−0.3%Reduced
Colony Group LLC127,573$21.0M0.32%+8,674+7.3%Added
Stock Yards Bank & Trust Co123,957$20.4M0.79%−2,828−2.2%Reduced
BI Asset Management Fondsmaeglerselskab A/S122,787$20.2M0.47%+7,841+6.8%Added
Laurion Capital Management LP122,416$20.1M0.53%+122,416New
Keybank National Association122,334$20.1M0.10%−10,143−7.7%Reduced
Amalgamated Bank121,948$20.1M0.17%−2,483−2.0%Reduced
River Road Asset Management, LLC119,424$19.6M0.28%−3,598−2.9%Reduced
Teachers Retirement System of the State of Kentucky117,879$19.4M0.20%−2,495−2.1%Reduced
Guggenheim Capital LLC117,020$19.2M0.17%−27,765−19.2%Reduced
Janney Montgomery Scott LLC116,899$19.2M0.07%+5,232+4.7%Added
Mill Capital Management, LLC116,720$19.2M1.88%+439+0.4%Added
Carnegie Capital Asset Management, LLC115,971$19.1M0.73%+2,728+2.4%Added
Thrivent Financial for Lutherans115,856$19.1M0.05%−5,684−4.7%Reduced
First Long Island Investors, LLC115,244$19.0M1.84%+8,461+7.9%Added
Advisors Asset Management, Inc.113,916$18.7M0.40%−8,584−7.0%Reduced
Xponance, Inc.112,986$18.6M0.25%+1,372+1.2%Added
Moore Capital Management, LP111,651$18.4M0.50%+111,651New
Campbell Newman Asset Management Inc110,887$18.2M1.72%+563+0.5%Added
RMB Capital Management, LLC109,423$18.0M0.62%+3,755+3.6%Added
Van Eck Associates Corp108,748$17.9M0.04%+591+0.5%Added
Barton Investment Management107,586$17.7M2.86%−2,860−2.6%Reduced
MAI Capital Management105,930$17.4M0.26%+732+0.7%Added
GW Henssler & Associates Ltd105,592$17.4M1.19%+105,592New
Jane Street Group, LLC105,074$17.3M0.03%−16,046−13.2%Reduced
Oppenheimer Asset Management Inc.103,980$17.1M0.26%+15,105+17.0%Added
Agf Management Ltd101,334$16.7M0.12%+909+0.9%Added
Lido Advisors, LLC100,024$16.4M0.18%−2,723−2.7%Reduced
Heritage Investors Management Corp99,980$16.4M0.69%+7,220+7.8%Added
Financial Counselors Inc98,279$16.2M0.32%−3,544−3.5%Reduced
Lazard Asset Management LLC98,176$16.1M0.02%+92,899+1,760.5%Added
Rockefeller Capital Management L.P.97,272$16.0M0.06%−1,882−1.9%Reduced
Texas Permanent School Fund96,153$15.8M0.15%−1,270−1.3%Reduced
Public Sector Pension Investment Board94,954$15.6M0.11%+5,407+6.0%Added
USS Investment Management Ltd94,052$15.5M0.17%+5,867+6.7%Added
Vontobel Holding Ltd.93,784$15.4M0.14%+3,988+4.4%Added
DDD Partners, LLC93,021$15.3M2.20%−1,800−1.9%Reduced
FourThought Financial Partners, LLC92,487$15.2M2.13%+20,313+28.1%Added
Motley Fool Wealth Management, LLC92,053$15.1M0.87%+310+0.3%Added
Sequoia Financial Advisors, LLC91,278$15.0M0.26%+56,940+165.8%Added
Skandinaviska Enskilda Banken AB (publ)89,920$14.8M0.10%−668−0.7%Reduced
Forsta Ap-Fonden89,800$14.8M0.16%+600+0.7%Added
Pittenger & Anderson Inc88,627$14.6M0.74%+3,653+4.3%Added
Destination Wealth Management88,245$14.5M0.56%+3,975+4.7%Added
Gabelli Funds LLC87,850$14.4M0.12%+46,280+111.3%Added
Caption Management, LLC87,000$14.3M1.85%+76,000+690.9%Added
Whittier Trust Co86,353$14.2M0.25%+1,230+1.4%Added
Natixis Advisors, L.P.84,819$13.9M0.04%−12,113−12.5%Reduced
Apriem Advisors84,349$13.9M2.03%+4,519+5.7%Added
Yousif Capital Management, LLC83,741$13.8M0.18%−2,040−2.4%Reduced
Vert Asset Management LLC83,645$13.8M6.98%+12,177+17.0%Added
Nissay Asset Management Corp82,922$13.6M0.12%−16,329−16.5%Reduced
Gradient Investments LLC81,796$13.5M0.36%−495−0.6%Reduced
Capital Fund Management S.A.81,621$13.4M0.18%+81,621New
Walleye Capital LLC81,498$13.4M0.20%−32,502−28.5%Reduced
Czech National Bank81,487$13.4M0.21%+26,317+47.7%Added