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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, Q2 2026

Institutional positions in American Tower Corp as of Jun 30, 2026. 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
1,757
+22 vs. Q1 2026
Shares held
439.8M
+8.58M (+2.0%) vs. Q1 2026
Total value
$72.0B
−$2.34B (−3.2%) vs. Q1 2026
New holders
175
687 more added
Sold out
153
673 more reduced

25 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 1,757 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 heldQ2 2026: $72.0B
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, Q2 2026

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q1 2026.

Institutions holding AMT in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Fuller & Thaler Asset Management, Inc.63,457$10.4M0.03%+363+0.6%Added
Toroso Investments, LLC64,617$10.6M0.03%+28,160+77.2%Added
Cullen/Frost Bankers, Inc.65,764$10.8M0.11%−658−1.0%Reduced
B. Metzler seel. Sohn & Co. AG66,057$10.8M0.09%+9,692+17.2%Added
First Horizon Corp66,131$10.8M0.42%−6,705−9.2%Reduced
Raiffeisen Bank International AG64,256$10.8M0.13%+8,095+14.4%Added
Calamos Advisors LLC66,276$10.8M0.04%−80,444−54.8%Reduced
Miller Howard Investments Inc66,322$10.8M0.29%+4,985+8.1%Added
DF Dent & Co Inc66,426$10.9M0.21%−65,456−49.6%Reduced
Wallington Asset Management, LLC68,499$11.2M1.38%−61−0.1%Reduced
Epoch Investment Partners, Inc.68,619$11.2M0.06%−4,231−5.8%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd69,317$11.3M0.08%+167+0.2%Added
Metis Global Partners, LLC69,324$11.3M0.26%+30,296+77.6%Added
New York Life Investment Management LLC69,372$11.3M0.08%−232−0.3%Reduced
Police & Firemen's Retirement System of New Jersey69,542$11.4M0.09%−2,447−3.4%Reduced
British Columbia Investment Management Corp69,911$11.4M0.07%−118,701−62.9%Reduced
Utah Retirement Systems70,764$11.6M0.11%−5,286−7.0%Reduced
Anchor Capital Advisors LLC70,867$11.6M0.33%−24,443−25.6%Reduced
First Trust Advisors LP71,226$11.7M0.01%−60,185−45.8%Reduced
CBOE Vest Financial, LLC71,270$11.7M0.12%+1,147+1.6%Added
Advisor Group Holdings, Inc.71,246$11.7M0.01%+15,320+27.4%Added
Fideuram Asset Management (Ireland) dac64,078$11.8M0.23%+62,611+4,268.0%Added
Vontobel Holding Ltd.72,376$11.8M0.04%−406,308−84.9%Reduced
Engineers Gate Manager LP72,676$11.9M0.15%+72,676New
Wealthfront Advisers LLC73,066$12.0M0.02%−35,946−33.0%Reduced
Stock Yards Bank & Trust Co73,395$12.0M0.34%−15,146−17.1%Reduced
Resona Asset Management Co.,Ltd.72,478$12.0M0.06%−3,862−5.1%Reduced
TD Waterhouse Canada Inc.73,822$12.3M0.03%−711−1.0%Reduced
Capital Analysts, LLC75,234$12.3M0.28%+3,348+4.7%Added
Carnegie Capital Asset Management, LLC76,525$12.5M0.25%−10,731−12.3%Reduced
Hazelview Securities Inc.75,688$12.6M1.74%+72,673+2,410.4%Added
Barton Investment Management77,038$12.6M1.71%−1,395−1.8%Reduced
LGT Group Foundation77,193$12.6M0.14%+5,804+8.1%Added
Integrated Wealth Concepts LLC77,512$12.7M0.08%+6,336+8.9%Added
Rakuten Investment Management, Inc.76,213$12.9M0.04%+6,735+9.7%Added
Rockbridge Capital Management LLC78,863$12.9M8.46%−4,147−5.0%Reduced
Mar Vista Investment Partners LLC81,434$13.3M1.33%−7,849−8.8%Reduced
MML Investors Services, LLC81,728$13.4M0.03%+31,625+63.1%Added
Motley Fool Asset Management LLC82,722$13.5M0.52%−2,975−3.5%Reduced
Scotia Capital Inc.83,233$13.6M0.05%+190+0.2%Added
Prudential PLC83,340$13.6M0.10%+1,190+1.4%Added
La Banque Postale Asset Management SA84,252$13.8M0.14%+16,249+23.9%Added
Pinnacle Financial Partners, Inc.84,692$13.9M0.09%−1,768−2.0%Reduced
Fideuram - Intesa Sanpaolo Private Banking S.P.A.85,263$13.9M0.42%+3,437+4.2%Added
XTX Topco Ltd87,858$14.4M0.19%+57,017+184.9%Added
BWCP, LP88,418$14.5M2.07%+3,495+4.1%Added
Heitman Real Estate Securities LLC89,033$14.6M0.93%+13,844+18.4%Added
Amalgamated Bank89,123$14.6M0.10%−9,510−9.6%Reduced
Pinebridge Investments LLC89,330$14.6M0.12%+10,118+12.8%Added
Pathstone Holdings, LLC90,324$14.8M0.04%+3,342+3.8%Added
Aptus Capital Advisors, LLC91,445$15.0M0.11%+7,642+9.1%Added
USS Investment Management Ltd96,155$15.7M0.06%+9,753+11.3%Added
Liberty One Investment Management, LLC96,548$15.8M1.58%+96,548New
Edgar Lomax Co97,685$16.0M1.19%−8,845−8.3%Reduced
Rockefeller Capital Management L.P.97,932$16.0M0.02%−6,550−6.3%Reduced
Advisors Asset Management, Inc.98,143$16.1M0.24%−9,487−8.8%Reduced
Foresight Group Ltd Liability Partnership97,840$16.1M2.89%+1,651+1.7%Added
J. Safra Sarasin Holding AG119,565$16.1M0.23%+19,120+19.0%Added
United Capital Financial Advisers, LLC99,063$16.2M0.09%−1,662−1.7%Reduced
IMC-Chicago, LLC99,492$16.3M0.15%+70,516+243.4%Added
MAI Capital Management100,143$16.4M0.06%−1,855−1.8%Reduced
Varma Mutual Pension Insurance Co101,006$16.5M0.09%−900−0.9%Reduced
Nisa Investment Advisors, LLC101,424$16.8M0.05%−30,675−23.2%Reduced
Thrivent Financial for Lutherans102,524$16.8M0.03%−739−0.7%Reduced
Sound Income Strategies, LLC103,728$17.0M0.76%+103,292+23,690.8%Added
Ieq Capital, LLC104,207$17.0M0.08%+100,088+2,429.9%Added
DnB Asset Management AS104,654$17.1M0.05%+2,682+2.6%Added
Broad Run Investment Management, LLC105,005$17.2M2.64%−573−0.5%Reduced
BI Asset Management Fondsmaeglerselskab A/S117,024$17.7M0.14%−15,909−12.0%Reduced
Mediolanum International Funds Ltd105,310$17.8M0.15%+2,980+2.9%Added
O'Shaughnessy Asset Management, LLC108,768$17.8M0.08%+16,279+17.6%Added
Vestcor Inc110,510$18.1M0.45%−10,608−8.8%Reduced
Greenleaf Trust110,624$18.1M0.17%+106+0.1%Added
Commonwealth Equity Services, LLC111,190$18.2M0.02%+5,671+5.4%Added
Benchstone Capital Management LP111,270$18.2M2.27%+111,270New
Chilton Capital Management LLC112,677$18.6M0.59%+16,410+17.0%Added
Cincinnati Insurance Co114,000$18.6M0.27%00.0%Unchanged
FourThought Financial Partners, LLC114,521$18.7M1.45%−30,254−20.9%Reduced
Mirae Asset Global Investments Co., Ltd.115,264$18.9M0.04%+10,868+10.4%Added
Fifth Third Bancorp116,203$19.0M0.03%−1,268−1.1%Reduced
Gabelli Funds LLC116,640$19.1M0.12%+2,250+2.0%Added
Destination Wealth Management116,707$19.1M0.45%+3,443+3.0%Added
Douglass Winthrop Advisors, LLC117,375$19.2M0.33%−385,557−76.7%Reduced
Heritage Investors Management Corp117,405$19.2M0.53%+591+0.5%Added
Nissay Asset Management Corp117,683$19.2M0.08%+6,077+5.4%Added
Boston Family Office LLC118,246$19.3M1.17%−1,615−1.3%Reduced
MetLife Investment Management118,434$19.4M0.09%−12,059−9.2%Reduced
Mill Capital Management, LLC118,842$19.4M1.30%−4,469−3.6%Reduced
State of Michigan Retirement System119,284$19.5M0.09%−3,000−2.5%Reduced
Midwest Trust Co120,265$19.7M0.22%+516+0.4%Added
Guggenheim Capital LLC121,045$19.8M0.13%+5,202+4.5%Added
Assetmark, Inc122,139$20.0M0.03%+1,049+0.9%Added
PensionDanmark Pensionsforsikringsaktieselskab122,509$20.0M0.17%+4,919+4.2%Added
SEB Asset Management AB123,418$20.2M0.08%+16,078+15.0%Added
ProShare Advisors LLC124,114$20.3M0.03%+6,466+5.5%Added
Acadian Asset Management LLC124,158$20.3M0.02%−611,448−83.1%Reduced
Brown Advisory Inc125,847$20.6M0.03%−14,976−10.6%Reduced
Bank of Nova Scotia126,293$20.7M0.03%−15,449−10.9%Reduced
Lido Advisors, LLC125,795$20.8M0.07%−406−0.3%Reduced
Evergreen Capital Management LLC126,392$20.8M0.37%+53,526+73.5%Added