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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
Chilton Capital Management LLC87,195$20.3M0.84%+5,179+6.3%Added
Kodai Capital Management LP87,087$20.3M0.42%−155,820−64.1%Reduced
Bowen Hanes & Co Inc86,000$20.0M0.52%00.0%Unchanged
Kovitz Investment Group Partners, LLC85,816$20.0M0.14%+4,862+6.0%Added
Nissay Asset Management Corp84,895$19.7M0.13%+1,627+2.0%Added
Private Advisor Group, LLC83,428$19.4M0.12%−5,303−6.0%Reduced
Andra AP-fonden83,000$19.3M0.28%+14,100+20.5%Added
Squarepoint Ops LLC81,878$19.0M0.06%+58,415+249.0%Added
Univest Financial Corp81,270$18.9M1.25%+51,481+172.8%Added
Motley Fool Asset Management LLC81,310$18.9M1.12%−1,472−1.8%Reduced
Grand Jean Capital Management Inc81,074$18.9M4.22%+1,760+2.2%Added
Advisor Group Holdings, Inc.80,472$18.7M0.04%−13,934−14.8%Reduced
Varma Mutual Pension Insurance Co87,206$18.6M0.15%−5,200−5.6%Reduced
Tredje AP-fonden79,121$18.4M0.17%+4,670+6.3%Added
AMF Pensionsforsakring AB78,853$18.4M0.13%−4,905−5.9%Reduced
Yousif Capital Management, LLC78,350$18.2M0.20%−663−0.8%Reduced
Groupama Asset Managment97,567$18.2M0.47%−91,113−48.3%Reduced
British Columbia Investment Management Corp77,919$18.1M0.11%−11,520−12.9%Reduced
Resona Asset Management Co.,Ltd.77,989$18.1M0.10%−1,242−1.6%Reduced
Utah Retirement Systems77,344$18.0M0.20%+400+0.5%Added
Avantax Advisory Services, Inc.76,856$17.9M0.12%+3,882+5.3%Added
Tiaa Trust, National Association76,688$17.8M0.05%−6,819−8.2%Reduced
Agf Management Ltd76,317$17.7M0.09%−36,006−32.1%Reduced
London & Capital Asset Management Ltd76,172$17.7M1.40%+2,509+3.4%Added
Walleye Capital LLC76,153$17.7M0.19%+15,789+26.2%Added
Davis Selected Advisers75,940$17.7M0.10%−130−0.2%Reduced
Avalon Trust Co75,863$17.6M1.30%−540−0.7%Reduced
Creative Planning75,640$17.6M0.02%+4,999+7.1%Added
Polar Asset Management Partners Inc.75,500$17.6M0.42%+24,000+46.6%Added
Apriem Advisors74,871$17.4M2.03%−2,757−3.6%Reduced
T. Rowe Price Investment Management, Inc.73,854$17.2M0.01%+6,652+9.9%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund72,284$16.8M0.17%+72,284New
Ausbil Investment Management Ltd72,280$16.8M5.80%+23,966+49.6%Added
Anchor Capital Advisors LLC71,892$16.7M0.44%−1,422−1.9%Reduced
Pinnacle Financial Partners Inc71,775$16.7M0.34%−1,174−1.6%Reduced
Gilder Gagnon Howe & Co LLC71,666$16.7M0.20%−2,155−2.9%Reduced
Ilmarinen Mutual Pension Insurance Co71,649$16.7M0.18%+20,000+38.7%Added
Cohen Klingenstein LLC71,624$16.7M0.58%00.0%Unchanged
Stephens Inc71,375$16.6M0.24%−2,956−4.0%Reduced
Captrust Financial Advisors71,248$16.6M0.05%+192+0.3%Added
Adams Diversified Equity Fund, Inc.71,000$16.5M0.61%+71,000New
Wallington Asset Management, LLC69,870$16.2M2.26%+4,064+6.2%Added
Wiley Bros.-Aintree Capital, LLC69,964$16.2M0.31%+42,908+158.6%Added
Badgley Phelps Wealth Managers, LLC69,783$16.2M0.38%−1,793−2.5%Reduced
Envestnet Portfolio Solutions, Inc.69,506$16.2M0.05%−12,669−15.4%Reduced
Engineers Gate Manager LP68,525$15.9M0.31%+59,909+695.3%Added
Schonfeld Strategic Advisors LLC68,502$15.9M0.13%−114,973−62.7%Reduced
Payden & Rygel68,200$15.9M1.22%+300+0.4%Added
Washington Trust Co67,731$15.8M0.55%−465−0.7%Reduced
Abn Amro Investment Solutions67,544$15.7M0.27%−1,514−2.2%Reduced
Jane Street Group, LLC67,424$15.7M0.03%−81,183−54.6%Reduced
Twinbeech Capital LP67,377$15.7M0.30%+67,377New
Harber Asset Management LLC66,893$15.6M4.65%+2,967+4.6%Added
Rafferty Asset Management, LLC66,395$15.4M0.05%+1,919+3.0%Added
CIBC World Markets Inc.66,285$15.4M0.03%−1,166−1.7%Reduced
Knights of Columbus Asset Advisors LLC65,964$15.3M1.01%+26,262+66.1%Added
Firetrail Investments Pty Ltd65,608$15.2M4.39%+457+0.7%Added
Public Employees Retirement Association of Colorado64,782$15.1M0.06%+60.0%Added
Pathstone Holdings, LLC64,582$15.0M0.07%−746−1.1%Reduced
Bath Savings Trust Co64,441$15.0M1.49%−1,402−2.1%Reduced
SG Americas Securities, LLC64,329$15.0M0.06%−18,235−22.1%Reduced
Edge Wealth Management LLC62,939$14.6M2.94%−145−0.2%Reduced
Dai-Ichi Life Insurance Company, Ltd62,310$14.5M0.37%+20,825+50.2%Added
Gradient Investments LLC61,735$14.4M0.30%−20,180−24.6%Reduced
Williams Jones Wealth Management, LLC.61,596$14.3M0.17%+382+0.6%Added
Edgewood Management LLC60,790$14.1M0.04%−1,083−1.8%Reduced
Glenmede Trust Co NA60,560$14.1M0.07%−86,579−58.8%Reduced
LGT Fund Management Co Ltd.60,673$14.1M1.46%+459+0.8%Added
Bank of Nova Scotia60,395$14.0M0.03%−27,599−31.4%Reduced
Brown Brothers Harriman & Co60,269$14.0M0.10%−16,634−21.6%Reduced
First Horizon Advisors, Inc.60,173$14.0M0.39%+3,930+7.0%Added
Middleton & Co Inc60,030$14.0M1.54%−1,057−1.7%Reduced
Cincinnati Insurance Co60,000$14.0M0.23%00.0%Unchanged
Sterling Capital Management LLC59,891$13.9M0.18%+59,891New
Fiduciary Trust Co59,687$13.9M0.19%+3,789+6.8%Added
Cobblestone Capital Advisors LLC59,521$13.8M0.78%+56+0.1%Added
Crossmark Global Holdings, Inc.58,946$13.7M0.24%−2,689−4.4%Reduced
Gotham Asset Management, LLC58,634$13.6M0.14%+8,290+16.5%Added
Northwest & Ethical Investments L.P.57,803$13.4M0.35%+17,931+45.0%Added
Washington Trust Advisors, Inc.57,728$13.4M1.16%−63−0.1%Reduced
Swiss Life Asset Management Ltd57,714$13.4M0.15%+26,707+86.1%Added
Mutual of America Capital Management LLC57,515$13.4M0.14%−1,379−2.3%Reduced
TD Waterhouse Canada Inc.57,439$13.3M0.11%+38,016+195.7%Added
Trust Co of Vermont57,243$13.3M0.67%+163+0.3%Added
Sumitomo Mitsui DS Asset Management Company, Ltd56,667$13.2M0.14%+2,269+4.2%Added
First Trust Advisors LP55,663$12.9M0.01%+4,027+7.8%Added
TownSquare Capital, LLC55,645$12.9M0.16%+1,924+3.6%Added
Banco Santander, S.A.53,638$12.5M0.15%+30,419+131.0%Added
Grassi Investment Management53,417$12.4M1.07%−875−1.6%Reduced
Covea Finance52,371$12.2M0.53%00.0%Unchanged
Johnson Investment Counsel Inc52,184$12.1M0.12%−240,093−82.1%Reduced
Generate Investment Management Ltd52,121$12.1M0.81%+14,966+40.3%Added
Liberty Mutual Group Asset Management Inc.51,993$12.1M1.83%−5,931−10.2%Reduced
Markel Group Inc.SuperinvestorMarkel Group51,910$12.1M0.11%00.0%Unchanged
B. Metzler seel. Sohn & Co. AG51,595$12.0M0.12%+17,854+52.9%Added
B. Metzler seel. Sohn & Co. Holding AG51,595$12.0M0.12%+51,595New
Waterfront Capital Partners, LLC51,411$12.0M2.20%−123,529−70.6%Reduced
Linscomb & Williams, Inc.51,263$11.9M0.59%−610−1.2%Reduced
Cullen/Frost Bankers, Inc.51,246$11.9M0.16%−1,239−2.4%Reduced
Kelly Lawrence W & Associates Inc51,159$11.9M2.68%−248−0.5%Reduced