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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 2022

Institutional positions in American Tower Corp as of Sep 30, 2022. 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
1,693
−28 vs. Q2 2022
Shares held
423.8M
−2.49M (−0.6%) vs. Q2 2022
Total value
$91.0B
−$17.9B (−16.5%) vs. Q2 2022
New holders
115
694 more added
Sold out
143
619 more reduced

26 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: 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 2022: 1,693 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 2022: $91.0B
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, Q3 2022

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2022.

Institutions holding AMT in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Gateway Investment Advisers LLC175,804$37.7M0.47%−15,622−8.2%Reduced
Calamos Advisors LLC172,587$37.1M0.18%+136+0.1%Added
Advisors Asset Management, Inc.171,563$36.8M0.75%−9,438−5.2%Reduced
Aureus Asset Management, LLC167,233$35.9M3.13%−1,453−0.9%Reduced
AQR Capital Management LLC166,894$35.7M0.09%−6,501−3.7%Reduced
Madison Asset Management, LLC163,640$35.1M0.59%+13,109+8.7%Added
Clal Insurance Enterprises Holdings Ltd160,500$34.5M0.47%00.0%Unchanged
Trillium Asset Management, LLC156,381$33.6M1.10%−2,868−1.8%Reduced
Adelante Capital Management LLC156,366$33.6M2.52%+12,743+8.9%Added
Aew Capital Management L P155,436$33.4M1.30%−8,240−5.0%Reduced
Klingenstein Fields & Co LP155,380$33.4M1.83%+108+0.1%Added
Factory Mutual Insurance Co153,500$33.0M0.54%−2,600−1.7%Reduced
Commonwealth Equity Services, LLC152,215$32.7M0.09%−935−0.6%Reduced
Advisor Group Holdings, Inc.151,408$32.5M0.07%+1,327+0.9%Added
Greenleaf Trust148,709$31.9M0.47%−2,101−1.4%Reduced
HRT Financial LP147,315$31.6M0.34%+147,315New
Mirae Asset Global Investments Co., Ltd.147,056$31.6M0.08%+10,147+7.4%Added
Dearborn Partners LLC144,144$30.9M1.37%+256+0.2%Added
American International Group, Inc.142,751$30.6M0.22%−2,849−2.0%Reduced
United Capital Financial Advisers, LLC142,477$30.6M0.18%+135+0.1%Added
MetLife Investment Management138,334$29.7M0.25%−1,427−1.0%Reduced
Brown Brothers Harriman & Co137,707$29.6M0.28%+7,236+5.5%Added
CIBC Asset Management Inc135,633$29.1M0.13%+1,916+1.4%Added
Natixis Advisors, L.P.135,453$29.1M0.12%−4,758−3.4%Reduced
IFM Investors Pty Ltd134,305$28.8M0.52%+1,838+1.4%Added
Rockefeller Capital Management L.P.130,626$28.0M0.14%+24,990+23.7%Added
Guggenheim Capital LLC127,389$27.4M0.25%+471+0.4%Added
FIL Ltd126,420$27.1M0.03%+8,450+7.2%Added
Boston Financial Mangement LLC126,029$27.1M1.18%+9,098+7.8%Added
State of Michigan Retirement System125,984$27.0M0.20%+700+0.6%Added
Amalgamated Bank124,594$26.8M0.26%+2,547+2.1%Added
Arizona State Retirement System124,029$26.6M0.28%−1,041−0.8%Reduced
Westpac Banking Corp123,358$26.5M0.40%−37,466−23.3%Reduced
ING Groep NV122,972$26.4M0.44%+35,526+40.6%Added
Stock Yards Bank & Trust Co121,741$26.1M1.12%+3,153+2.7%Added
Agf Investments Inc.121,195$26.0M0.25%+24,472+25.3%Added
DekaBank Deutsche Girozentrale121,815$25.8M0.08%−10,123−7.7%Reduced
Handelsbanken Fonder AB119,205$25.6M0.17%+2,345+2.0%Added
Nomura Asset Management Co Ltd119,154$25.6M0.16%+1,386+1.2%Added
Barton Investment Management118,261$25.4M5.16%−1,690−1.4%Reduced
Janney Montgomery Scott LLC118,234$25.4M0.11%+5,157+4.6%Added
Employees Retirement System of Texas118,000$25.3M0.39%+17,500+17.4%Added
Covea Finance116,306$25.0M1.31%00.0%Unchanged
Colony Group LLC115,643$24.8M0.44%+992+0.9%Added
Natixis115,086$24.7M0.12%−25,158−17.9%Reduced
MUFG Americas Holdings Corp114,659$24.6M0.61%−2,620−2.2%Reduced
Boston Family Office LLC114,567$24.6M2.19%+716+0.6%Added
Carnegie Capital Asset Management, LLC112,608$24.2M1.15%−9,559−7.8%Reduced
ProShare Advisors LLC112,423$24.1M0.09%−9,914−8.1%Reduced
Mill Capital Management, LLC110,775$23.8M2.78%+3,599+3.4%Added
Campbell Newman Asset Management Inc110,686$23.8M2.68%+748+0.7%Added
Teachers Retirement System of the State of Kentucky110,581$23.7M0.28%+110,581New
Whittier Trust Co110,302$23.7M0.50%+2,976+2.8%Added
Tiaa, FSB109,854$23.6M0.10%−3,117−2.8%Reduced
Bridgewater Associates, LP108,831$23.4M0.12%+108,831New
Jane Street Group, LLC108,258$23.2M0.04%+65,919+155.7%Added
American Assets Capital Advisers, LLC107,534$23.1M4.54%+300.0%Added
Voloridge Investment Management, LLC107,400$23.1M0.12%+107,400New
Barr E S & Co107,224$23.0M2.04%+2,124+2.0%Added
Boston Private Wealth LLC105,573$22.7M0.33%+6,346+6.4%Added
Hazelview Securities Inc.102,470$22.6M3.41%−2,870−2.7%Reduced
Penserra Capital Management LLC102,529$22.0M0.62%−7,106−6.5%Reduced
Thrivent Financial for Lutherans101,783$21.9M0.06%+2,919+3.0%Added
Baskin Financial Services Inc.101,642$21.8M2.61%−2,220−2.1%Reduced
MAI Capital Management101,030$21.7M0.41%+5,906+6.2%Added
Schonfeld Strategic Advisors LLC99,100$21.3M0.18%+37,121+59.9%Added
First Long Island Investors, LLC98,148$21.1M2.34%−1,135−1.1%Reduced
RMB Capital Management, LLC96,009$20.6M0.77%−4,110−4.1%Reduced
Motley Fool Wealth Management, LLC94,636$20.3M1.33%−12,589−11.7%Reduced
Financial Counselors Inc92,435$19.8M0.49%+769+0.8%Added
Comerica Bank106,756$19.8M0.17%−2,750−2.5%Reduced
DnB Asset Management AS91,973$19.7M0.15%−20,464−18.2%Reduced
Intech Investment Management LLC91,710$19.7M0.15%−1,170−1.3%Reduced
Teacher Retirement System of Texas91,034$19.5M0.14%−27,335−23.1%Reduced
Alpha Cubed Investments, LLC88,853$19.1M1.49%+2,576+3.0%Added
Gulf International Bank (UK) Ltd87,684$18.8M0.35%+174+0.2%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund73,284$18.7M0.24%00.0%Unchanged
Xponance, Inc.86,877$18.7M0.36%+7,337+9.2%Added
Clough Capital Partners L P86,040$18.5M2.76%+16,950+24.5%Added
Van Eck Associates Corp85,383$18.3M0.05%+6,086+7.7%Added
Public Sector Pension Investment Board85,108$18.3M0.16%+40,409+90.4%Added
Yousif Capital Management, LLC84,642$18.2M0.26%−2,709−3.1%Reduced
Utah Retirement Systems83,244$17.9M0.30%+446+0.5%Added
New York Life Investment Management LLC82,908$17.8M0.22%+9,811+13.4%Added
USS Investment Management Ltd81,426$17.5M0.27%−31,194−27.7%Reduced
Destination Wealth Management81,032$17.4M0.73%+2,013+2.5%Added
Alberta Investment Management Corp80,833$17.4M0.13%−7,000−8.0%Reduced
D. E. Shaw & Co., Inc.80,534$17.3M0.03%−3,085−3.7%Reduced
Fulton Breakefield Broenniman LLC80,215$17.2M1.62%−758−0.9%Reduced
Oppenheimer Asset Management Inc.79,456$17.1M0.30%+956+1.2%Added
Davis Selected Advisers79,430$17.1M0.12%00.0%Unchanged
Heritage Investors Management Corp79,426$17.1M0.86%−1,261−1.6%Reduced
Raub Brock Capital Management LP79,324$17.0M3.55%−4,783−5.7%Reduced
Pittenger & Anderson Inc79,064$17.0M1.02%+228+0.3%Added
Skandinaviska Enskilda Banken AB (publ)79,038$17.0M0.14%−481−0.6%Reduced
Cohen Klingenstein LLC78,214$16.8M0.89%−395−0.5%Reduced
Apriem Advisors78,130$16.8M3.02%−591−0.8%Reduced
Shell Asset Management Co77,483$16.6M0.65%−21,321−21.6%Reduced
Federation des caisses Desjardins du Quebec76,022$16.3M0.19%+2,469+3.4%Added
Gilder Gagnon Howe & Co LLC75,282$16.2M0.28%−229−0.3%Reduced