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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, Q4 2021

Institutional positions in American Tower Corp as of Dec 31, 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
1,799
+146 vs. Q3 2021
Shares held
417.0M
+4.68M (+1.1%) vs. Q3 2021
Total value
$121.8B
+$12.3B (+11.2%) vs. Q3 2021
New holders
256
787 more added
Sold out
110
503 more reduced

25 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 1,799 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 heldQ4 2021: $121.8B
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, Q4 2021

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q3 2021.

Institutions holding AMT in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Wealthfront Advisers LLC23,695$6.93M0.03%+1,922+8.8%Added
South Dakota Investment Council23,574$6.89M0.12%00.0%Unchanged
Hills Bank & Trust Co23,562$6.89M0.95%−822−3.4%Reduced
Forbes J M & Co LLP23,248$6.80M0.78%+28+0.1%Added
Mattern Capital Management, LLC22,866$6.69M1.17%+381+1.7%Added
FineMark National Bank & Trust22,743$6.65M0.25%+374+1.7%Added
DuPont Capital Management Corp22,709$6.64M0.24%−14,792−39.4%Reduced
Sowell Financial Services LLC22,511$6.62M0.38%+3,937+21.2%Added
American Money Management, LLC22,589$6.61M1.71%+1,254+5.9%Added
Security Asset Management22,516$6.59M2.56%−262−1.2%Reduced
Family Capital Trust Co22,511$6.58M1.84%+42+0.2%Added
Crestwood Advisors Group LLC22,481$6.58M0.17%−297−1.3%Reduced
Great Lakes Advisors, LLC22,445$6.57M0.10%−21,091−48.4%Reduced
ExodusPoint Capital Management, LP22,360$6.54M0.08%+5,931+36.1%Added
Hudson Valley Investment Advisors Inc22,252$6.51M1.02%+93+0.4%Added
E. Ohman J:or Asset Management AB22,250$6.51M0.19%+2,400+12.1%Added
Fayez Sarofim & Co22,191$6.49M0.02%+14,208+178.0%Added
BTC Capital Management, Inc.22,076$6.47M0.64%+477+2.2%Added
IFP Advisors, Inc22,092$6.46M0.13%+780+3.7%Added
Atlantic Trust, LLC22,060$6.45M3.81%+2,909+15.2%Added
Fragasso Group Inc.22,012$6.44M0.76%−139−0.6%Reduced
Group One Trading, L.P.21,919$6.41M0.12%−1,452−6.2%Reduced
Liberty Capital Management, Inc.21,482$6.28M1.70%−1,344−5.9%Reduced
Advisory Services Network, LLC21,446$6.27M0.18%+1,424+7.1%Added
Arjuna Capital21,228$6.21M2.27%+5,658+36.3%Added
Harbor Investment Advisory, LLC20,965$6.13M0.78%+11+0.1%Added
Cumberland Partners Ltd20,910$6.12M0.43%+2,750+15.1%Added
Carderock Capital Management Inc20,740$6.07M1.46%+656+3.3%Added
Strategic Blueprint, LLC20,731$6.06M0.77%+3,956+23.6%Added
Northwestern Mutual Investment Management Company, LLC20,489$5.99M0.12%−182−0.9%Reduced
Penobscot Investment Management Company, Inc.20,275$5.93M0.80%−248−1.2%Reduced
Mercer Global Advisors Inc20,261$5.93M0.04%+2,047+11.2%Added
Hantz Financial Services, Inc.20,082$5.87M0.17%+275+1.4%Added
Logan Capital Management Inc20,051$5.87M0.25%−47−0.2%Reduced
RBF Capital, LLC20,000$5.85M0.37%00.0%Unchanged
Siemens Fonds Invest GmbH19,932$5.80M0.38%−1,522−7.1%Reduced
Rothschild Investment Corp19,767$5.78M0.45%+19,767New
Moreno Evelyn V19,420$5.68M1.14%+1,485+8.3%Added
Bokf, NA19,230$5.63M0.09%+219+1.2%Added
Jag Capital Management, LLC18,927$5.54M0.42%+1,418+8.1%Added
Rosenblum Silverman Sutton S F Inc18,804$5.50M1.24%−196−1.0%Reduced
Kinneret Advisory, LLC18,685$5.49M0.57%00.0%Unchanged
Spire Wealth Management18,714$5.47M0.12%+3,635+24.1%Added
Bridgecreek Investment Management, LLC18,550$5.43M0.74%−50−0.3%Reduced
Georgetown University18,447$5.40M1.92%+18,447New
Bessemer Securities LLC18,430$5.39M1.46%+5,272+40.1%Added
Caisse de Depot Et Placement du Quebec18,283$5.35M0.01%00.0%Unchanged
Frontier Wealth Management LLC17,987$5.26M0.35%−229−1.3%Reduced
Epiq Partners, LLC17,970$5.26M2.80%+1,276+7.6%Added
Profund Advisors LLC17,840$5.22M0.17%−30,348−63.0%Reduced
Boyer & Corporon Wealth Management, LLC17,761$5.20M1.53%+241+1.4%Added
Burney Co17,624$5.16M0.22%+8,751+98.6%Added
American Portfolios Advisors17,351$5.08M0.17%+1,421+8.9%Added
Banque Cantonale Vaudoise17,336$5.07M0.20%−103−0.6%Reduced
Pinebridge Investments, L.P.17,255$5.05M0.05%+5,170+42.8%Added
Simmons Bank17,251$5.05M0.35%+2,223+14.8%Added
Corient Capital Partners, LLC17,225$5.04M0.33%+238+1.4%Added
Hennion & Walsh Asset Management, Inc.17,178$5.03M0.25%+3,836+28.8%Added
Zeno Research, LLC17,168$5.02M4.87%−8,527−33.2%Reduced
Jefferies Group LLC17,128$5.01M0.09%+7,168+72.0%Added
Family Management Corp17,059$4.99M1.30%+240+1.4%Added
Capital International Inc17,008$4.97M0.05%−1,834−9.7%Reduced
Shelton Capital Management17,001$4.97M0.18%00.0%Unchanged
Eastern Bank16,921$4.95M0.22%+113+0.7%Added
Abeille Asset Management SA16,888$4.94M1.14%+16,888New
Charter Trust Co16,783$4.91M0.42%−587−3.4%Reduced
Bremer Bank National Association16,642$4.87M0.81%+819+5.2%Added
TFG Advisers LLC16,629$4.86M2.12%−130−0.8%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.16,628$4.84M0.06%−1,382−7.7%Reduced
Brinker Capital Investments, LLC16,455$4.81M0.07%−5,259−24.2%Reduced
Horizon Investments, LLC16,337$4.78M0.14%+11,074+210.4%Added
Kingsview Wealth Management, LLC16,261$4.76M0.20%+2,595+19.0%Added
Achmea Investment Management B.V.16,071$4.70M0.22%−2,588−13.9%Reduced
Linscomb & Williams, Inc.16,010$4.68M0.22%+494+3.2%Added
Perkins Coie Trust Co15,907$4.65M1.36%+1,327+9.1%Added
M. Kulyk & Associates, LLC15,764$4.61M1.19%+1,225+8.4%Added
Cetera Advisor Networks LLC15,757$4.61M0.06%+683+4.5%Added
Veritable, L.P.15,616$4.57M0.07%+138+0.9%Added
Brown Miller Wealth Management, LLC15,565$4.55M2.60%+547+3.6%Added
Bill Few Associates, Inc.15,560$4.55M2.36%+15,560New
GSI Capital Advisors LLC15,516$4.54M1.99%−9,716−38.5%Reduced
Coldstream Capital Management Inc15,467$4.52M0.14%+4,590+42.2%Added
Advisor Partners LLC15,431$4.51M0.27%−143−0.9%Reduced
Pathstone Family Office, LLC15,364$4.51M0.11%+345+2.3%Added
Avitas Wealth Management LLC15,386$4.50M0.75%+194+1.3%Added
Park Avenue Securities LLC15,383$4.50M0.08%+164+1.1%Added
Tudor Investment Corp Et Al15,363$4.49M0.09%+15,363New
Sand Hill Global Advisors, LLC15,344$4.49M0.25%+104+0.7%Added
Benjamin F. Edwards & Company, Inc.15,192$4.44M0.20%+2,102+16.1%Added
HB Wealth Management, LLC15,148$4.43M0.09%+15,148New
Nixon Peabody Trust Co15,133$4.43M1.34%+1,781+13.3%Added
Lazard Asset Management LLC15,129$4.42M0.00%+1,147+8.2%Added
Cresset Asset Management, LLC15,046$4.42M0.04%−4,451−22.8%Reduced
Schmidt P J Investment Management Inc17,577$4.42M0.88%+498+2.9%Added
Slow Capital, Inc.14,965$4.38M0.75%+557+3.9%Added
Lowell Blake & Associates Inc.14,879$4.35M1.71%+3,483+30.6%Added
CWA Asset Management Group, LLC14,787$4.33M0.32%+13,895+1,557.7%Added
JustInvest LLC14,706$4.30M0.25%+3,881+35.9%Added
Consolidated Investment Group LLC14,700$4.30M0.68%00.0%Unchanged
De Burlo Group Inc14,404$4.21M0.61%−400−2.7%Reduced