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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; 1,756 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
1,756
+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
672 more reduced

26 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: 1,756 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: 1,756 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 20261,756$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
Purpose Unlimited Inc.4,320$707.4K0.03%−22−0.5%Reduced
Berman McAleer LLC4,355$712.3K0.08%+10+0.2%Added
AlphaGrep UK Ltd4,355$712.3K0.22%−3,521−44.7%Reduced
Cigna Investments Inc4,368$715.0K0.09%−93−2.1%Reduced
EverSource Wealth Advisors, LLC4,378$716.1K0.02%+1,254+40.1%Added
Graham Capital Management, L.P.4,390$718.1K0.02%+4,390New
Avanza Fonder AB4,412$721.7K0.02%00.0%Unchanged
Choate Investment Advisors4,423$723.5K0.01%−1,827−29.2%Reduced
International Assets Investment Management, LLC4,359$723.9K0.04%−190−4.2%Reduced
Pinnacle Bancorp, Inc.4,432$724.9K0.19%+1,280+40.6%Added
Smithfield Trust Co4,442$725.0K0.03%−69−1.5%Reduced
Mutual Advisors, LLC4,433$725.2K0.01%+374+9.2%Added
Pitcairn Wealth Advisors LLC4,482$733.1K0.08%+2,534+130.1%Added
Essex Financial Services, Inc.4,497$735.6K0.04%+1,275+39.6%Added
Leonteq Securities AG4,497$735.6K0.04%−4,950−52.4%Reduced
MTM Investment Management, LLC4,521$739.5K0.21%−40−0.9%Reduced
Sumitomo Life Insurance Co4,533$741.5K0.01%−261−5.4%Reduced
Pittenger & Anderson Inc4,545$743.4K0.03%−5−0.1%Reduced
LMR Partners LLP4,548$743.9K0.01%+4,548New
Retirement Planning Co of New England, Inc.4,554$745.0K0.27%+408+9.8%Added
Caisse des Depots Et Consignations4,598$752.1K0.01%00.0%Unchanged
Capital Investment Advisory Services, LLC4,613$754.6K0.05%+1,846+66.7%Added
Tred Avon Family Wealth, LLC4,629$757.2K0.23%+1,669+56.4%Added
RFG Advisory, LLC4,640$758.9K0.01%+399+9.4%Added
Commons Capital, LLC4,640$759.0K0.53%+18+0.4%Added
Frec Markets, Inc.4,663$762.7K0.07%+2,639+130.4%Added
Mitchell McLeod Pugh & Williams Inc4,678$765.2K0.09%00.0%Unchanged
Shum Financial Group, Inc.4,698$768.4K0.46%+237+5.3%Added
Profund Advisors LLC4,702$769.1K0.02%−22−0.5%Reduced
Harmony Asset Management LLC4,707$769.9K0.21%−1,755−27.2%Reduced
Tiaa-Cref Individual & Institutional Services, LLC4,730$773.7K0.00%−299−5.9%Reduced
Fieldview Capital Management, LLC4,742$775.6K0.22%+1,907+67.3%Added
GTS Securities LLC4,748$776.6K0.02%−456−8.8%Reduced
Willow Creek Capital Management, Inc.4,752$777.3K0.75%+4,752New
NBT Bank N A4,769$780.1K0.05%−549−10.3%Reduced
GW&K Investment Management, LLC4,795$784.0K0.01%−1,034−17.7%Reduced
CSU Producer Resources, Inc.4,800$785.1K2.59%00.0%Unchanged
Novare Capital Management LLC4,826$789.4K0.06%−20,182−80.7%Reduced
Syntax Research, Inc.4,836$791.1K0.58%−9,089−65.3%Reduced
IHT Wealth Management, LLC4,840$791.6K0.02%−414−7.9%Reduced
Optiver Holding B.V.4,842$792.0K0.01%+4,842New
Waldron Private Wealth LLC4,854$794.0K0.03%−300−5.8%Reduced
NLB Skladi, upravljanje premozenja, d.o.o.4,870$796.6K0.03%−296−5.7%Reduced
Chicago Capital, LLC4,930$806.4K0.02%00.0%Unchanged
CX Institutional4,943$808.0K0.02%+130+2.7%Added
NorthRock Partners, LLC4,941$808.2K0.01%−73−1.5%Reduced
Pettyjohn, Wood & White, Inc4,943$808.5K0.12%−462−8.5%Reduced
Tower Trust & Investment Co4,944$808.6K0.49%−74−1.5%Reduced
Saiph Capital, LLC4,979$814.4K0.24%+643+14.8%Added
RBF Capital, LLC5,000$817.9K0.03%00.0%Unchanged
Wesbanco Bank Inc5,003$818.3K0.02%−17,292−77.6%Reduced
Ellevest, Inc.5,017$821.0K0.10%+16+0.3%Added
Garrison Point Advisors, LLC5,036$823.7K0.33%−725−12.6%Reduced
Capital Investment Advisors, LLC5,048$825.8K0.01%+781+18.3%Added
Dudley Capital Management, LLC5,050$826.0K0.33%−645−11.3%Reduced
Bokf, NA5,056$827.0K0.01%−3−0.1%Reduced
Spirit of America Management Corp5,170$845.7K0.16%+2,000+63.1%Added
Oversea-Chinese Banking CORP Ltd5,186$848.3K0.02%00.0%Unchanged
Old National Bancorp5,187$848.4K0.02%−869−14.3%Reduced
Demars Financial Group, LLC5,223$854.3K0.24%+728+16.2%Added
Central Trust Co5,234$856.1K0.02%−355−6.4%Reduced
Center for Financial Planning, Inc.5,238$856.8K0.08%+172+3.4%Added
Churchill Financial Advisors, LLC5,280$863.6K0.17%00.0%Unchanged
Anb Bank5,306$867.9K0.32%−172−3.1%Reduced
Bull Harbor Capital LLC5,335$872.7K0.17%+5,335New
Trail Ridge Investment Advisors, LLC5,336$872.8K0.37%00.0%Unchanged
Evolve Private Wealth, LLC5,273$874.4K0.05%+2,763+110.1%Added
Patron Partners Advisors, LLC5,349$874.9K0.34%+436+8.9%Added
BNP Paribas5,279$885.1K0.02%−295−5.3%Reduced
Mayflower Financial Advisors, LLC5,446$890.9K0.08%−234−4.1%Reduced
Ferguson Wellman Capital Management, Inc5,456$892.4K0.01%+458+9.2%Added
Community Financial Services Group, LLC5,388$894.8K0.13%+65+1.2%Added
Wealth Enhancement Trust Services, Inc.5,497$899.1K0.10%−382−6.5%Reduced
Ledyard National Bank5,497$899.1K0.07%+10.0%Added
Mirabaud Asset Management Ltd5,363$904.6K0.75%−1,470−21.5%Reduced
Cove Private Wealth, LLC5,546$907.2K0.18%+88+1.6%Added
Cinctive Capital Management LP5,597$915.5K0.04%+3,822+215.3%Added
Norden Group LLC5,613$918.3K0.08%−338−5.7%Reduced
United Advisor Group, LLC5,640$922.6K0.10%+496+9.6%Added
Navalign, LLC5,694$931.3K0.22%+509+9.8%Added
Ostrum Asset Management5,701$932.5K0.04%−4,174−42.3%Reduced
Burney Co5,711$934.1K0.03%−326−5.4%Reduced
Portfolio Design Labs, LLC5,734$937.8K0.15%+393+7.4%Added
Summit Financial, LLC5,737$948.6K0.01%−75−1.3%Reduced
Ameritas Investment Partners, Inc.5,813$950.8K0.03%−267−4.4%Reduced
Brown Miller Wealth Management, LLC5,845$956.1K0.24%+78+1.4%Added
TigerOak Management, L.L.C.5,858$958.2K0.27%+19+0.3%Added
Dorsey & Whitney Trust CO LLC5,879$961.6K0.05%−1,066−15.3%Reduced
Applied Capital LLC5,899$964.9K0.64%+48+0.8%Added
Ar Asset Management Inc6,000$981.0K0.18%00.0%Unchanged
Postrock Partners LLC6,015$983.9K0.40%00.0%Unchanged
Knollwood Investment Advisory, LLC6,049$989.4K0.09%00.0%Unchanged
Acorn Financial Advisory Services Inc6,064$992.0K0.13%−361−5.6%Reduced
Atom Investors LP6,124$1.00M0.09%+6,124New
BIP Wealth, LLC6,137$1.00M0.03%+144+2.4%Added
Colton Groome Financial Advisors, LLC6,143$1.00M0.24%+81+1.3%Added
Stoneridge Investment Partners LLC5,803$1.01M0.66%00.0%Unchanged
Virtu Financial LLC6,158$1.01M0.03%−11,249−64.6%Reduced
Barbara Oil Co.6,000$1.01M0.34%00.0%Unchanged
Pensionmark Financial Group, LLC5,854$1.01M0.02%−423−6.7%Reduced