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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
Lombard Odier Asset Management (Switzerland) SA36,347$5.95M0.19%+36,347New
Mizuho Securities USA LLC36,474$5.97M0.10%+8,172+28.9%Added
Teachers Retirement System of the State of Kentucky36,670$6.00M0.04%00.0%Unchanged
Commerce Bank36,835$6.03M0.03%+2,491+7.3%Added
Atria Investments LLC37,017$6.05M0.06%−5,263−12.4%Reduced
Crossmark Global Holdings, Inc.37,155$6.08M0.08%+1,093+3.0%Added
Schonfeld Strategic Advisors LLC37,536$6.14M0.03%+37,536New
Level Four Advisory Services, LLC37,832$6.19M0.17%+894+2.4%Added
Nicholas Company, Inc.37,875$6.20M0.11%+80+0.2%Added
Zions Bancorporation, National Association38,280$6.26M0.37%−85−0.2%Reduced
Oppenheimer & Co Inc38,376$6.28M0.07%+1,502+4.1%Added
HB Wealth Management, LLC39,217$6.41M0.04%+1,447+3.8%Added
FIL Ltd39,450$6.45M0.00%+3,724+10.4%Added
Machina Capital S.A.S.39,541$6.47M1.02%+36,533+1,214.5%Added
Palisade Asset Management, LLC39,775$6.51M0.60%+2,134+5.7%Added
Dividend Assets Capital, LLC40,189$6.57M1.27%−2,476−5.8%Reduced
Brinker Capital Investments, LLC40,845$6.68M0.05%+24,401+148.4%Added
Investment Management Corp of Ontario40,907$6.69M0.08%−11,059−21.3%Reduced
Sterling Capital Management LLC41,361$6.77M0.11%−4,257−9.3%Reduced
Park National Corp41,754$6.83M0.19%+1,017+2.5%Added
Ilmarinen Mutual Pension Insurance Co41,779$6.83M0.05%00.0%Unchanged
Aristotle Atlantic Partners, LLC42,000$6.87M0.28%00.0%Unchanged
Northwestern Mutual Wealth Management Co42,339$6.93M0.00%−2,317−5.2%Reduced
Alberta Investment Management Corp42,400$6.94M0.04%+42,400New
Vanderbilt University42,513$6.95M0.95%+218+0.5%Added
AE Wealth Management LLC42,581$6.96M0.03%+5,566+15.0%Added
Klingenstein Fields & Co LP43,320$7.09M0.25%−1,010−2.3%Reduced
Ausbil Investment Management Ltd42,692$7.09M3.21%−1,180−2.7%Reduced
Jennison Associates LLC44,324$7.25M0.00%+4,074+10.1%Added
Glenmede Trust Co NA44,475$7.27M0.03%+293+0.7%Added
Andra AP-fonden44,485$7.28M0.08%−100−0.2%Reduced
Evelyn Partners Group Ltd44,565$7.29M0.14%+44,565New
Linscomb & Williams, Inc.44,854$7.34M0.32%−1,390−3.0%Reduced
Gilder Gagnon Howe & Co LLC45,350$7.42M0.08%−5,452−10.7%Reduced
Snowden Capital Advisors LLC45,385$7.42M0.18%+319+0.7%Added
Elo Mutual Pension Insurance Co45,413$7.43M0.10%+45,413New
Socorro Asset Management LP45,799$7.49M3.36%00.0%Unchanged
Baillie Gifford & Co45,876$7.50M0.01%−4,146−8.3%Reduced
Commerzbank Aktiengesellschaft46,175$7.55M0.15%+8,536+22.7%Added
Fiduciary Trust Co46,225$7.56M0.08%−3,360−6.8%Reduced
Abn Amro Investment Solutions46,510$7.61M0.07%+4,900+11.8%Added
Nomura Holdings Inc46,759$7.65M0.03%+29,871+176.9%Added
Allworth Financial LP46,849$7.66M0.03%−17,323−27.0%Reduced
Kempen Capital Management N.V.47,453$7.76M0.06%−11,708−19.8%Reduced
Lincluden Management Ltd47,493$7.77M0.76%+5,988+14.4%Added
LMCG Investments, LLC47,500$7.77M0.42%+39,550+497.5%Added
Capital International Inc47,771$7.81M0.05%00.0%Unchanged
Signal Advisors Wealth, LLC47,822$7.82M0.41%+3,628+8.2%Added
Keybank National Association48,055$7.86M0.03%−5,563−10.4%Reduced
Mutual of America Capital Management LLC48,116$7.87M0.08%−1,676−3.4%Reduced
Middleton & Co Inc48,365$7.91M0.84%−2,748−5.4%Reduced
Generali Asset Management SPA SGR49,210$8.05M0.15%+13,172+36.6%Added
Knights of Columbus Asset Advisors LLC49,705$8.13M0.41%−12,892−20.6%Reduced
Allstate Corp50,354$8.24M0.08%−11,373−18.4%Reduced
Kestra Advisory Services, LLC50,373$8.24M0.03%+24,450+94.3%Added
Williams Jones Wealth Management, LLC.50,598$8.28M0.09%−2,734−5.1%Reduced
Washington Trust Advisors, Inc.50,798$8.31M0.62%−639−1.2%Reduced
Lowe Brockenbrough & Co Inc50,829$8.32M0.37%+1,476+3.0%Added
JustInvest LLC51,117$8.36M0.07%−1,167−2.2%Reduced
Horizon Investments, LLC51,205$8.38M0.09%−7,251−12.4%Reduced
Wilkins Investment Counsel Inc51,244$8.38M1.13%+805+1.6%Added
Spears Abacus Advisors LLC51,456$8.42M0.15%+51,456New
Candriam Luxembourg S.C.A.51,670$8.44M0.04%−2,573−4.7%Reduced
OP Asset Management Ltd52,064$8.52M0.09%+4,382+9.2%Added
Adelante Capital Management LLC52,165$8.53M0.56%−2,124−3.9%Reduced
Rafferty Asset Management, LLC52,474$8.58M0.02%+12,702+31.9%Added
AIA Group Ltd52,804$8.64M0.11%−15,481−22.7%Reduced
Bridges Investment Management Inc52,869$8.65M0.11%+105+0.2%Added
Warren Averett Asset Management, LLC53,328$8.72M0.05%+7,649+16.7%Added
GWM Advisors LLC53,338$8.72M0.03%+1,185+2.3%Added
Trillium Asset Management, LLC53,510$8.75M0.27%−2,878−5.1%Reduced
Haverford Trust Co54,307$8.88M0.08%−105,049−65.9%Reduced
Mackenzie Financial Corp54,410$8.90M0.01%−2,701−4.7%Reduced
Prevail Innovative Wealth Advisors, LLC54,433$8.90M1.33%+54,433New
Howland Capital Management LLC54,438$9.01M0.32%−37,665−40.9%Reduced
Soros Capital Management LLC56,298$9.21M1.65%+3,390+6.4%Added
Jupiter Topco LLC56,539$9.25M0.00%+56,539New
PBU - The Pension Fund of Early Childhood & Youth Educators57,164$9.35M0.21%−39,341−40.8%Reduced
ING Groep NV57,282$9.37M0.05%+19,905+53.3%Added
Oregon Public Employees Retirement Fund57,322$9.38M0.10%+3,710+6.9%Added
Sanctuary Advisors, LLC57,761$9.45M0.04%−3,171−5.2%Reduced
BLI - Banque de Luxembourg Investments55,995$9.46M0.33%+55,995New
Soltis Investment Advisors LLC58,660$9.59M0.55%+5,017+9.4%Added
Mercer Global Advisors Inc58,701$9.60M0.01%+22,986+64.4%Added
Capital Innovations LLC58,925$9.64M2.50%+58,925New
Edge Wealth Management LLC59,087$9.66M1.63%+245+0.4%Added
Cabot Wealth Management Inc59,299$9.70M0.99%+140.0%Added
Public Employees Retirement Association of Colorado59,890$9.80M0.03%−196−0.3%Reduced
Penserra Capital Management LLC60,040$9.82M0.08%−1,454−2.4%Reduced
Defiance ETFs, LLC59,149$9.82M0.14%−1,233−2.0%Reduced
LGT Fund Management Co Ltd.60,063$9.82M0.41%−4,923−7.6%Reduced
Cohen Klingenstein LLC60,914$9.96M0.29%00.0%Unchanged
Ethic Inc.61,239$10.0M0.12%+5,627+10.1%Added
River Road Asset Management, LLC61,338$10.0M0.11%−3,946−6.0%Reduced
Skylands Capital, LLC61,491$10.1M1.24%+2,781+4.7%Added
Stephens Inc61,576$10.1M0.11%−380−0.6%Reduced
Yousif Capital Management, LLC62,173$10.2M0.11%−3,497−5.3%Reduced
Washington Trust Co62,249$10.2M0.32%−2,039−3.2%Reduced
Univest Financial Corp62,911$10.3M0.51%−2,232−3.4%Reduced
Davis Selected Advisers63,250$10.3M0.04%−1,370−2.1%Reduced