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Livermore
ZHEN

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, Q1 2026

Institutional positions in American Tower Corp as of Mar 31, 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
1,760
+9 vs. Q4 2025
Shares held
431.5M
+28.6M (+7.1%) vs. Q4 2025
Total value
$74.4B
+$10.2B (+15.9%) vs. Q4 2025
New holders
155
725 more added
Sold out
146
651 more reduced

30 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: 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 holdersQ1 2026: 1,760 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: 1,851 institutionsQ3 2025: 1,799 institutionsQ4 2025: 1,781 institutionsQ1 2026: 1,760 institutionsQ2 2026: 1,757 institutions
Value heldQ1 2026: $74.4B
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 20251,851$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, Q1 2026

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q4 2025.

Institutions holding AMT in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Richardson Financial Services Inc.35$6.04K0.00%+35New
Family Capital Trust Co35$6.04K0.00%00.0%Unchanged
Albion Financial Group34$5.87K0.00%−12−26.1%Reduced
Intentional Wealth Strategies, LLC34$5.87K0.01%+34New
Dunhill Financial, LLC33$5.76K0.00%−27−45.0%Reduced
Alerus Financial NA32$5.52K0.00%−187−85.4%Reduced
CGC Financial Services, LLC32$5.52K0.00%00.0%Unchanged
Murphy & Mullick Capital Management Corp31$5.35K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC31$5.35K0.00%+24+342.9%Added
New England Capital Financial Advisors LLC31$5.30K0.00%00.0%Unchanged
NVWM, LLC30$5.20K0.00%+12+66.7%Added
Richardson Capital Management LLC30$5.18K0.00%+25+500.0%Added
NorthAvenue LLC29$5.00K0.00%−6−17.1%Reduced
Lloyd Advisory Services, LLC.27$4.66K0.00%−142−84.0%Reduced
HFM Investment Advisors, LLC27$4.66K0.00%00.0%Unchanged
Indiana Trust & Investment Management CO27$4.66K0.00%00.0%Unchanged
Kingdom Financial Group LLC.27$4.66K0.00%+13+92.9%Added
Signature Resources Capital Management, LLC26$4.49K0.00%−8−23.5%Reduced
Copia Wealth Management25$4.32K0.00%00.0%Unchanged
Cedar Mountain Advisors, LLC25$4.32K0.00%+25New
Innovative Asset Advisors Group, LLC25$4.31K0.00%+25New
Silicon Valley Capital Partners25$4.29K0.00%+2+8.7%Added
DiNuzzo Private Wealth, Inc.24$4.14K0.00%00.0%Unchanged
MJT & Associates Financial Advisory Group, Inc.23$3.97K0.00%−2−8.0%Reduced
Essential Investment Partners LLC23$3.97K0.00%00.0%Unchanged
Burk Holdings LLC20$3.45K0.00%+20New
American Capital Advisory, LLC19$3.28K0.00%+6+46.2%Added
Sankala Group LLC18$3.09K0.00%00.0%Unchanged
Merkkuri Wealth Advisors LLC17$2.96K0.00%+17New
Tripletail Wealth Management, LLC16$2.78K0.00%00.0%Unchanged
Y.D. More Investments Ltd15$2.59K0.00%−114−88.4%Reduced
Minot DeBlois Advisors LLC15$2.59K0.00%−10−40.0%Reduced
Portus Wealth Advisors, LLC15$2.59K0.00%+15New
Crewe Advisors LLC14$2.42K0.00%−18−56.3%Reduced
TFC Financial Management14$2.42K0.00%00.0%Unchanged
Boyd Watterson Asset Management LLC13$2.24K0.00%00.0%Unchanged
Pacifica Partners Inc.13$2.24K0.00%00.0%Unchanged
Signature Equity Partners, LLC12$2.07K0.00%+5+71.4%Added
Morton Brown Family Wealth, LLC11$1.90K0.00%00.0%Unchanged
Sunrise Financial Services, LLC11$1.90K0.00%00.0%Unchanged
Godfrey Financial Associates, Inc.10$1.73K0.00%+3+42.9%Added
Quaker Wealth Management, LLC10$1.73K0.00%+6+150.0%Added
DecisionPoint Financial, LLC9$1.55K0.00%00.0%Unchanged
Monetary Solutions, Ltd8$1.38K0.00%00.0%Unchanged
City State Bank6$1.03K0.00%00.0%Unchanged
Merrithew & Thorsten Inc11$1.00K0.00%00.0%Unchanged
Caldwell Sutter Capital, Inc.5$8630.00%00.0%Unchanged
TopTier Wealth Management, LLC5$8630.00%+5New
CWM Advisors, LLC4$7030.00%00.0%Unchanged
Sofos Investments, Inc.4$6900.00%00.0%Unchanged
Napier Financial, LLC4$6900.00%+4New
Silver Grove Financial Group, Inc.4$6900.00%+4New
Davis Capital Management3$5180.00%00.0%Unchanged
Rachor Investment Advisory Services, LLC3$5080.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd2$3450.00%00.0%Unchanged
Walsh & Associates, LLC2$3450.00%+2New
ROSS\JOHNSON & Associates LLC1$1730.00%−3−75.0%Reduced
Meeder Asset Management Inc1$1730.00%00.0%Unchanged
3 Factor Indexing, LLC1$1730.00%+1New
Kozak & Associates, Inc.1$1290.00%00.0%Unchanged
Two Sigma Advisers, LP0$00.00%−432,300−100.0%Sold out
Alkeon Capital Management LLC0$00.00%−428,401−100.0%Sold out
Sora Investors LLC0$00.00%−176,315−100.0%Sold out
Renaissance Technologies LLC0$00.00%−162,039−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−117,838−100.0%Sold out
Quadrature Capital Ltd0$00.00%−99,316−100.0%Sold out
Nan Shan Life Insurance Co., Ltd.0$00.00%−95,766−100.0%Sold out
Skandinaviska Enskilda Banken AB (publ)0$00.00%−88,055−100.0%Sold out
Capital Innovations LLC0$00.00%−58,925−100.0%Sold out
Stack Financial Management, Inc0$00.00%−57,390−100.0%Sold out
iA Global Asset Management Inc.0$00.00%−31,582−100.0%Sold out
S.E.E.D. Planning Group LLC0$00.00%−28,253−100.0%Sold out
Twinbeech Capital LP0$00.00%−22,800−100.0%Sold out
Financiere des Professionnels - Fonds d,investissement inc.0$00.00%−19,160−100.0%Sold out
IFG Advisory, LLC0$00.00%−18,138−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−16,528−100.0%Sold out
Westwood Holdings Group Inc.0$00.00%−16,138−100.0%Sold out
FORA Capital, LLC0$00.00%−12,812−100.0%Sold out
Quest Partners LLC0$00.00%−14,093−100.0%Sold out
Highland Capital Management, LLC0$00.00%−13,452−100.0%Sold out
Elo Mutual Pension Insurance Co0$00.00%−12,932−100.0%Sold out
Delta Global Management LP0$00.00%−12,746−100.0%Sold out
Engineers Gate Manager LP0$00.00%−12,154−100.0%Sold out
Quantitative Investment Management, LLC0$00.00%−12,146−100.0%Sold out
Ceredex Value Advisors LLC0$00.00%−11,996−100.0%Sold out
Oak Thistle LLC0$00.00%−11,991−100.0%Sold out
Inceptionr LLC0$00.00%−11,103−100.0%Sold out
LMR Partners LLP0$00.00%−10,386−100.0%Sold out
Caption Management, LLC0$00.00%−8,000−100.0%Sold out
HighPoint Advisor Group LLC0$00.00%−7,717−100.0%Sold out
Woodline Partners LP0$00.00%−7,126−100.0%Sold out
Grantham, Mayo, Van Otterloo & Co. LLC0$00.00%−6,412−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−5,687−100.0%Sold out
Lee Financial Co0$00.00%−5,176−100.0%Sold out
Axxcess Wealth Management, LLC0$00.00%−4,536−100.0%Sold out
Hardworking Capital Advisors, LLC0$00.00%−4,492−100.0%Sold out
Fire Capital Management LLC0$00.00%−4,110−100.0%Sold out
Sage Mountain Advisors LLC0$00.00%−3,944−100.0%Sold out
Pathway Financial Advisers, LLC0$00.00%−3,869−100.0%Sold out
Buckingham Strategic Partners0$00.00%−3,836−100.0%Sold out