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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, Q3 2021

Institutional positions in American Tower Corp as of Sep 30, 2021. 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
1,678
+47 vs. Q2 2021
Shares held
412.7M
−255.0K (−0.1%) vs. Q2 2021
Total value
$109.6B
−$2.00B (−1.8%) vs. Q2 2021
New holders
131
744 more added
Sold out
84
529 more reduced

25 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 1,678 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 heldQ3 2021: $109.6B
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, Q3 2021

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2021.

Institutions holding AMT in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Legacy Financial Advisors, Inc.806$214.0K0.05%+806New
Creative Financial Designs Inc811$215.0K0.04%+1+0.1%Added
Atwood & Palmer Inc810$215.0K0.02%00.0%Unchanged
Palladium Partners LLC810$215.0K0.01%00.0%Unchanged
Muzinich & Co., Inc.815$216.0K0.14%00.0%Unchanged
Graypoint LLC819$217.0K0.03%−23−2.7%Reduced
Kaizen Financial Strategies818$217.0K0.17%+818New
Ironvine Capital Partners, LLC822$218.0K0.02%−130−13.7%Reduced
Altavista Wealth Management, Inc.820$218.0K0.05%+17+2.1%Added
Banque Pictet & Cie SA822$218.0K0.00%+62+8.2%Added
Pictet North America Advisors SA822$218.0K0.02%+62+8.2%Added
RSM US Wealth Management LLC826$219.0K0.01%−392−32.2%Reduced
Puzo Michael J825$219.0K0.07%00.0%Unchanged
Sage Rhino Capital LLC833$221.0K0.07%+24+3.0%Added
Blue Fin Capital, Inc.836$221.0K0.07%+836New
Biltmore Family Office, LLC828$221.0K0.05%+828New
Archford Capital Strategies, LLC838$222.0K0.05%00.0%Unchanged
Modera Wealth Management, LLC840$223.0K0.01%+21+2.6%Added
Fermata Advisors, LLC851$227.0K0.10%+3+0.4%Added
McGowan Group Asset Management, Inc.864$229.0K0.04%00.0%Unchanged
Two Sigma Securities, LLC863$229.0K0.05%+863New
Alera Investment Advisors, LLC869$231.0K0.07%−431−33.2%Reduced
Foundry Partners, LLC874$232.0K0.01%+874New
Burns J W & Co Inc879$233.0K0.04%00.0%Unchanged
Webster Bank, N. A.879$233.0K0.03%00.0%Unchanged
WCM Investment Management, LLC882$234.0K0.00%−100−10.2%Reduced
Amussen Hunsaker Associates LLC891$236.0K0.06%−563−38.7%Reduced
Atticus Wealth Management, LLC888$236.0K0.10%−200−18.4%Reduced
Columbia Trust Co 01012016893$237.0K0.13%−56−5.9%Reduced
CWA Asset Management Group, LLC892$237.0K0.02%+47+5.6%Added
DeDora Capital, Inc.894$237.0K0.10%+133+17.5%Added
Independent Wealth Network Inc.847$238.0K0.16%+847New
Hodges Capital Management Inc.901$239.0K0.02%+1+0.1%Added
Palisades Hudson Asset Management, L.P.900$239.0K0.11%00.0%Unchanged
YHB Investment Advisors, Inc.901$239.0K0.02%+51+6.0%Added
Dempze Nancy E906$240.0K0.19%−60−6.2%Reduced
TRUE Private Wealth Advisors905$241.0K0.04%+2+0.2%Added
Claro Advisors LLC907$241.0K0.10%+18+2.0%Added
Nwam LLC909$241.0K0.02%+96+11.8%Added
Groesbeck Investment Management Corp910$242.0K0.28%00.0%Unchanged
Blossom Wealth Management913$242.0K1.44%+50+5.8%Added
Abner Herrman & Brock LLC920$244.0K0.03%00.0%Unchanged
Keystone Financial Group924$245.0K0.04%+1+0.1%Added
Ellis Investment Partners, LLC938$248.0K0.06%−93−9.0%Reduced
Delta Financial Advisors LLC945$251.0K0.11%+5+0.5%Added
PDS Planning, Inc947$251.0K0.06%+54+6.0%Added
Warren Averett Asset Management, LLC923$251.0K0.02%+82+9.8%Added
Hexagon Capital Partners LLC949$252.0K0.07%−61−6.0%Reduced
Element Pointe Advisors, LLC949$252.0K0.09%00.0%Unchanged
Ameritas Investment Company, LLC949$252.0K0.01%+949New
InTrack Investment Management Inc900$254.0K0.19%00.0%Unchanged
Boston Trust Walden Corp959$255.0K0.00%+18+1.9%Added
Lebenthal Global Advisors, LLC964$255.0K0.16%+964New
Blume Capital Management, Inc.964$256.0K0.09%+164+20.5%Added
Old National Bancorp963$256.0K0.01%+963New
Insight Folios Inc970$257.0K0.14%+970New
StrategIQ Financial Group, LLC973$258.0K0.05%−25−2.5%Reduced
Camden National Bank973$258.0K0.05%00.0%Unchanged
Pinnacle Bancorp, Inc.972$258.0K0.10%+44+4.7%Added
FinTrust Capital Advisors, LLC975$259.0K0.07%−71−6.8%Reduced
Insight Advisors, LLC927$259.0K0.08%−62−6.3%Reduced
Hollencrest Capital Management974$259.0K0.02%00.0%Unchanged
Private Portfolio Partners LLC977$259.6K0.07%+3+0.3%Added
Main Street Research LLC981$260.0K0.02%+11+1.1%Added
Associated Banc-Corp984$261.0K0.01%00.0%Unchanged
IVC Wealth Advisors LLC985$261.0K0.18%00.0%Unchanged
Grimes & Company, Inc.985$261.0K0.01%+45+4.8%Added
Thompson Siegel & Walmsley LLC988$262.0K0.00%00.0%Unchanged
Meiji Yasuda Life Insurance Co990$263.0K0.00%00.0%Unchanged
Sage Mountain Advisors LLC991$263.0K0.04%+991New
Trust Co of Kansas995$264.0K0.15%00.0%Unchanged
Investment Research & Advisory Group, Inc.988$264.0K0.18%00.0%Unchanged
Cooper Financial Group993$264.0K0.05%+7+0.7%Added
Bluestein R H & Co1,000$265.0K0.01%−18−1.8%Reduced
Sadoff Investment Management LLC1,000$265.0K0.02%00.0%Unchanged
Truehand, Inc1,000$265.0K0.16%00.0%Unchanged
IMS Capital Management1,000$265.0K0.15%00.0%Unchanged
Constitution Capital LLC1,000$265.0K0.16%00.0%Unchanged
Balasa Dinverno & Foltz LLC1,000$265.0K0.02%+117+13.3%Added
Financial Engines Advisors L.L.C.996$265.0K0.00%+996New
Buckley Wealth Management, LLC999$265.0K0.09%+999New
Sofos Investments, Inc.1$265.0K0.19%−52−98.1%Reduced
Legacy Advisors, LLC1,003$266.0K0.11%+3+0.3%Added
Stokes Capital Advisors, LLC1,005$267.0K0.09%00.0%Unchanged
Nichols & Pratt Advisers LLP1,000$267.0K0.02%00.0%Unchanged
E Fund Management Co., Ltd.1,000$267.0K0.01%+1,000New
HHM Wealth Advisors, LLC1,009$268.0K0.07%00.0%Unchanged
Independence Bank of Kentucky1,016$270.0K0.12%−10−1.0%Reduced
Ballast Advisors LLC1,018$270.0K0.11%−7−0.7%Reduced
NorthRock Partners, LLC973$271.0K0.02%+973New
Osborne Partners Capital Management, LLC1,029$273.0K0.02%00.0%Unchanged
Harbor Financial Services, LLC1,027$273.0K0.12%+1+0.1%Added
VeraBank, N.A.1,033$274.0K0.16%00.0%Unchanged
Moseley Investment Management Inc1,029$274.0K0.14%00.0%Unchanged
Bank of Stockton1,040$276.0K0.08%−15−1.4%Reduced
Investors Financial Group, LLC1,041$276.0K0.15%00.0%Unchanged
Csenge Advisory Group1,040$277.0K0.02%+251+31.8%Added
Bryn Mawr Trust Co1,049$278.0K0.01%−30−2.8%Reduced
180 Wealth Advisors, LLC1,041$280.0K0.06%−25−2.3%Reduced
Legacy Private Trust Co.1,060$281.0K0.02%00.0%Unchanged