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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
Vanguard Group Inc58,836,295$15.6B0.39%+917,837+1.6%Added
BlackRock Inc.34,334,510$9.11B0.26%+157,675+0.5%Added
State Street Corp18,748,958$5.00B0.26%+643,590+3.6%Added
Wellington Management Group LLP13,173,078$3.50B0.59%−557,921−4.1%Reduced
Cohen & Steers, Inc.12,509,815$3.32B6.20%−203,947−1.6%Reduced
FMR LLC11,021,950$2.93B0.23%+1,446,475+15.1%Added
Edgewood Management LLC9,365,502$2.49B4.17%+5,347+0.1%Added
Geode Capital Management, LLC8,538,430$2.26B0.30%+179,469+2.1%Added
Akre Capital Management LLCSuperinvestorAkre Capital Management7,007,787$1.86B11.46%−8,475−0.1%Reduced
Northern Trust Corp6,242,888$1.66B0.29%−633,027−9.2%Reduced
Dimensional Fund Advisors LP6,164,889$1.64B0.53%−72,071−1.2%Reduced
Bank of America Corp5,877,983$1.56B0.18%+42,715+0.7%Added
Goldman Sachs Group Inc5,490,200$1.46B0.37%+173,871+3.3%Added
Price T Rowe Associates Inc5,147,538$1.37B0.13%−328,952−6.0%Reduced
Principal Financial Group Inc4,952,741$1.31B0.86%−72,441−1.4%Reduced
Capital World Investors4,594,296$1.22B0.21%−766,010−14.3%Reduced
Wells Fargo & Company4,515,296$1.20B0.27%+14,955+0.3%Added
Legal & General Group Plc4,351,592$1.15B0.38%+91,277+2.1%Added
Charles Schwab Investment Management Inc4,309,255$1.14B0.37%+138,089+3.3%Added
Morgan Stanley4,267,447$1.13B0.15%−5,227−0.1%Reduced
Deutsche Bank AG4,229,883$1.12B0.53%+227,697+5.7%Added
Nuveen Asset Management, LLC4,157,455$1.10B0.35%−335,753−7.5%Reduced
Bank of New York Mellon Corp4,153,207$1.10B0.22%−21,843−0.5%Reduced
Massachusetts Financial Services Co4,106,245$1.09B0.32%−60,857−1.5%Reduced
Invesco Ltd.3,986,934$1.06B0.27%+402,767+11.2%Added
Norges Bank3,860,742$1.02B0.23%−361,802−8.6%Reduced
Alliancebernstein L.P.3,767,698$1.00B0.39%+51,993+1.4%Added
Parnassus Investments3,625,425$962.2M2.03%+122,453+3.5%Added
Capital Research Global Investors3,459,426$918.2M0.21%−3,348−0.1%Reduced
Manufacturers Life Insurance Company, The3,145,754$834.9M0.68%−613,199−16.3%Reduced
Janus Henderson Group PLC2,985,908$792.4M0.35%+5,215+0.2%Added
UBS Group AG2,942,152$780.9M0.33%+184,940+6.7%Added
California Public Employees Retirement System2,762,758$733.3M0.55%+42,258+1.6%Added
Clearbridge Investments, LLC2,683,906$712.3M0.51%+18,203+0.7%Added
Brown Advisory Inc2,449,889$650.2M0.96%+286,157+13.2%Added
American Century Companies Inc2,062,585$547.4M0.37%+332,682+19.2%Added
Putnam Investments LLC2,013,840$534.5M0.83%−26,857−1.3%Reduced
Mitsubishi UFJ Trust & Banking Corp2,003,834$531.8M1.16%−320,777−13.8%Reduced
Fisher Asset Management, LLC1,973,945$523.9M0.33%+49,959+2.6%Added
UBS Asset Management Americas Inc1,945,467$516.3M0.21%−48,277−2.4%Reduced
Cantillon Capital Management LLC1,934,586$513.5M3.50%−32,664−1.7%Reduced
Neuberger Berman Group LLC1,912,113$506.1M0.44%+56,765+3.1%Added
Canada Pension Plan Investment Board1,827,175$485.0M0.55%+259,387+16.5%Added
Swiss National Bank1,797,859$477.2M0.30%−14,100−0.8%Reduced
Ameriprise Financial Inc1,766,575$469.0M0.15%−1,127,978−39.0%Reduced
Parametric Portfolio Associates LLC1,730,021$459.2M0.26%+84,834+5.2%Added
1832 Asset Management L.P.1,633,602$443.1M0.83%−125,791−7.1%Reduced
Capital International Investors1,628,299$432.5M0.10%+3,695+0.2%Added
Barclays PLC1,595,220$423.4M0.30%+282,627+21.5%Added
Bessemer Group Inc1,589,854$422.0M0.90%+14,478+0.9%Added
C WorldWide Group Holding A/S1,589,790$421.9M4.33%−21,306−1.3%Reduced
Loring Wolcott & Coolidge Fiduciary Advisors LLP1,508,433$400.4M3.96%−100.0%Reduced
Magellan Asset Management Ltd1,478,417$392.4M0.78%−12,210−0.8%Reduced
Sumitomo Mitsui Trust Holdings, Inc.1,468,902$389.9M0.24%+21,650+1.5%Added
Standard Life Aberdeen plc1,418,587$379.6M0.86%−67,005−4.5%Reduced
CIBC Private Wealth Group, LLC1,423,530$377.8M0.88%+10,352+0.7%Added
Alkeon Capital Management LLC1,311,093$348.0M1.18%−3,527−0.3%Reduced
Credit Suisse AG1,270,046$337.1M0.27%+61,932+5.1%Added
Bank of Montreal1,150,396$310.8M0.15%−42,556−3.6%Reduced
Franklin Resources Inc1,167,424$309.8M0.12%+20,524+1.8%Added
US Bancorp1,142,907$303.3M0.57%−19,125−1.6%Reduced
Royal Bank of Canada1,089,984$289.3M0.08%−174,627−13.8%Reduced
Cbre Clarion Securities LLC1,081,671$287.1M5.07%−41,958−3.7%Reduced
TCW Group Inc1,069,445$283.8M2.49%+68,621+6.9%Added
Citigroup Inc1,035,622$274.9M0.28%−51,365−4.7%Reduced
Raymond James & Associates1,031,063$273.7M0.25%+33,025+3.3%Added
Atlanta Capital Management Co L L C1,022,801$271.5M0.97%+5,409+0.5%Added
Resolution Capital Ltd1,020,172$270.8M3.59%+141,699+16.1%Added
Liontrust Investment Partners LLP905,236$240.3M3.32%+905,236New
Rhumbline Advisers879,475$233.4M0.32%−20,362−2.3%Reduced
Pacer Advisors, Inc.872,051$231.5M2.94%+183,320+26.6%Added
First Trust Advisors LP866,251$229.9M0.25%+580,586+203.2%Added
Davenport & Co LLC865,866$229.8M1.62%−119,312−12.1%Reduced
HSBC Holdings PLC846,485$226.1M0.26%+62,640+8.0%Added
New York State Common Retirement Fund844,229$224.1M0.24%−34,188−3.9%Reduced
AMP Capital Investors Ltd835,183$221.9M1.22%−57,756−6.5%Reduced
Amundi819,826$217.6M0.15%−292,075−26.3%Reduced
JPMorgan Chase & Co804,097$213.4M0.03%−183,869−18.6%Reduced
APG Asset Management N.V.925,226$211.9M0.38%−74,200−7.4%Reduced
California State Teachers Retirement System790,564$209.8M0.27%−20,225−2.5%Reduced
AustralianSuper Pty Ltd790,111$209.7M1.35%00.0%Unchanged
SEI Investments Co748,157$198.6M0.42%+72,485+10.7%Added
Citadel Advisors LLC733,778$194.8M0.22%+394,318+116.2%Added
Blair William & Co728,999$193.5M0.66%+13,900+1.9%Added
Ensign Peak Advisors, Inc719,106$190.9M0.40%−117,650−14.1%Reduced
DF Dent & Co Inc695,878$184.7M1.89%−9,760−1.4%Reduced
Sarasin & Partners LLP684,096$181.6M1.83%−11,955−1.7%Reduced
Bahl & Gaynor Inc650,068$172.5M1.06%+4,480+0.7%Added
Great West Life Assurance Co627,418$167.6M0.39%−77,433−11.0%Reduced
D. E. Shaw & Co., Inc.625,907$166.1M0.21%−392,945−38.6%Reduced
Swedbank AB620,798$164.8M0.31%+39,239+6.7%Added
National Pension Service608,761$161.6M0.31%−7,830−1.3%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.601,715$159.7M0.59%−41,853−6.5%Reduced
Avenir Corp592,746$157.3M13.22%−19,401−3.2%Reduced
First Manhattan Co590,946$156.8M0.58%+6,295+1.1%Added
TD Asset Management Inc589,790$156.5M0.16%+845+0.1%Added
State of Wisconsin Investment Board586,420$155.6M0.32%+37,179+6.8%Added
Centersquare Investment Management LLC579,276$153.7M1.57%+30,583+5.6%Added
Broad Run Investment Management, LLC573,895$152.3M9.76%−27,405−4.6%Reduced
Envestnet Asset Management Inc570,206$151.3M0.08%+8,996+1.6%Added