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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, Q3 2024

Institutional positions in American Tower Corp as of Sep 30, 2024. 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
1,852
+107 vs. Q2 2024
Shares held
429.0M
+36.7M (+9.4%) vs. Q2 2024
Total value
$99.4B
+$23.1B (+30.3%) vs. Q2 2024
New holders
203
677 more added
Sold out
96
720 more reduced

24 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 1,852 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 heldQ3 2024: $99.4B
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 20251,852$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 2024

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2024.

Institutions holding AMT in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Wedge Capital Management L L P50,792$11.8M0.20%−18,354−26.5%Reduced
Chicago Partners Investment Group LLC51,957$11.8M0.42%−7,790−13.0%Reduced
Manning & Napier Advisors LLC50,277$11.7M0.13%−120−0.2%Reduced
John G Ullman & Associates Inc49,871$11.6M1.67%−2,210−4.2%Reduced
Moore Capital Management, LP49,774$11.6M0.34%+43,594+705.4%Added
Aptus Capital Advisors, LLC49,579$11.5M0.18%+4,247+9.4%Added
Sandy Spring Bank48,711$11.3M0.47%+44+0.1%Added
Mirae Asset Global Investments Co., Ltd.48,499$11.2M0.05%+4,040+9.1%Added
Oppenheimer & Co Inc47,754$11.1M0.17%−25,610−34.9%Reduced
Eagle Global Advisors LLC47,674$11.1M0.55%−198−0.4%Reduced
O'Shaughnessy Asset Management, LLC49,983$11.1M0.10%+9,645+23.9%Added
Marshall Wace, LLP47,564$11.1M0.01%−414,172−89.7%Reduced
Northwestern Mutual Wealth Management Co46,846$10.9M0.01%−11,771−20.1%Reduced
Cabot Wealth Management Inc46,613$10.8M1.36%+1,154+2.5%Added
Park National Corp46,058$10.7M0.38%−5,082−9.9%Reduced
Blue Chip Partners, Inc.45,919$10.7M0.93%+1,393+3.1%Added
Jennison Associates LLC45,720$10.6M0.01%+687+1.5%Added
Candriam Luxembourg S.C.A.45,181$10.5M0.06%+1,269+2.9%Added
Loomis Sayles & Co L P44,973$10.5M0.01%+6,236+16.1%Added
Renaissance Technologies LLC44,800$10.4M0.02%+44,800New
Vanderbilt University44,773$10.4M1.93%+8,642+23.9%Added
Atria Investments LLC44,730$10.4M0.13%+3,934+9.6%Added
JustInvest LLC44,678$10.4M0.17%+6,031+15.6%Added
Elo Mutual Pension Insurance Co44,381$10.3M0.22%−1,350−3.0%Reduced
Prospect Capital Advisors, LLC43,990$10.2M4.63%−24,235−35.5%Reduced
Kempen Capital Management N.V.43,830$10.2M0.10%+2,111+5.1%Added
Point72 Europe (London) LLP43,315$10.1M0.85%+43,315New
Nixon Peabody Trust Co42,970$9.99M0.83%−978−2.2%Reduced
West Coast Financial LLC42,967$9.99M1.10%+399+0.9%Added
ING Groep NV42,768$9.95M0.06%−18,078−29.7%Reduced
Palisade Asset Management, LLC42,735$9.94M0.97%−518−1.2%Reduced
Capital Analysts, LLC42,680$9.93M0.40%+746+1.8%Added
MML Investors Services, LLC42,247$9.82M0.04%+3,739+9.7%Added
Dividend Assets Capital, LLC42,236$9.82M1.88%+758+1.8%Added
Torray LLC42,171$9.81M1.37%−5,063−10.7%Reduced
Snowden Capital Advisors LLC42,029$9.77M0.29%−835−1.9%Reduced
Wealthfront Advisers LLC42,013$9.77M0.03%+8,503+25.4%Added
Cambridge Investment Research Advisors, Inc.41,956$9.76M0.03%+3,273+8.5%Added
Brasada Capital Management, LP40,915$9.49M1.66%−2,181−5.1%Reduced
Wendell David Associates Inc40,644$9.45M0.90%−63−0.2%Reduced
Adell Harriman & Carpenter Inc40,389$9.39M0.68%−1,920−4.5%Reduced
La Banque Postale Asset Management SA40,333$9.38M0.14%+35,562+745.4%Added
Bernzott Capital Advisors40,274$9.37M4.03%−85−0.2%Reduced
Oregon Public Employees Retirement Fund40,021$9.31M0.17%−80−0.2%Reduced
RedJay Asset Management Inc.40,000$9.30M5.30%−2,000−4.8%Reduced
Pacific Heights Asset Management LLC40,000$9.30M0.69%00.0%Unchanged
Aristotle Atlantic Partners, LLC40,000$9.30M0.29%00.0%Unchanged
Sanctuary Advisors, LLC45,305$9.26M0.06%−2,271−4.8%Reduced
Peapack Gladstone Financial Corp39,295$9.14M0.13%−2,567−6.1%Reduced
Fuller & Thaler Asset Management, Inc.39,220$9.12M0.04%−4,106−9.5%Reduced
Gateway Investment Advisers LLC39,015$9.07M0.10%−4,330−10.0%Reduced
Evergreen Capital Management LLC39,012$9.07M0.30%−16,649−29.9%Reduced
Janney Capital Management LLC38,955$9.06M0.61%−201−0.5%Reduced
Makena Capital Management LLC38,805$9.02M2.17%−1,309−3.3%Reduced
Skylands Capital, LLC38,645$8.99M1.22%−7,750−16.7%Reduced
Adelante Capital Management LLC38,527$8.96M0.58%−4,100−9.6%Reduced
Ethic Inc.45,171$8.93M0.23%+769+1.7%Added
GYL Financial Synergies, LLC38,378$8.93M0.67%−9,659−20.1%Reduced
FIL Ltd38,078$8.86M0.01%+35,956+1,694.4%Added
Chiron Investment Management, LLC37,906$8.82M3.10%+37,906New
Novare Capital Management LLC37,849$8.80M0.75%−569−1.5%Reduced
Great Valley Advisor Group, Inc.37,844$8.80M0.22%−1,631−4.1%Reduced
Nicholas Company, Inc.37,755$8.78M0.14%00.0%Unchanged
Synovus Financial Corp37,749$8.78M0.10%−3,605−8.7%Reduced
Fiduciary Group LLC36,937$8.59M0.87%−782−2.1%Reduced
Miller Howard Investments Inc36,931$8.59M0.26%+1,301+3.7%Added
Gulf International Bank (UK) Ltd36,765$8.55M0.22%−8,511−18.8%Reduced
Cubist Systematic Strategies, LLC36,545$8.50M0.13%+36,545New
Wilkins Investment Counsel Inc36,500$8.49M1.17%−355−1.0%Reduced
Point72 (DIFC) Ltd36,484$8.48M0.66%+36,484New
NBW Capital LLC36,420$8.47M1.60%+131+0.4%Added
Soltis Investment Advisors LLC36,406$8.47M0.83%−6,696−15.5%Reduced
LGT Group Foundation36,443$8.45M0.14%+229+0.6%Added
Alapocas Investment Partners, Inc.35,450$8.24M4.84%+280+0.8%Added
Socorro Asset Management LP35,234$8.19M3.11%+22,234+171.0%Added
Tower Research Capital LLC (TRC)34,950$8.13M0.22%−6,770−16.2%Reduced
Impax Asset Management Group plc33,925$7.89M0.03%+13,834+68.9%Added
Parsons Capital Management Inc33,833$7.87M0.50%−140−0.4%Reduced
HM Payson & Co33,615$7.82M0.13%−70.0%Reduced
DoubleLine ETF Adviser LP33,180$7.72M1.88%+33,180New
Naviter Wealth, LLC33,102$7.70M1.07%−4,718−12.5%Reduced
Allianz SE32,961$7.67M0.21%−1,740−5.0%Reduced
Phoenix Holdings Ltd.32,830$7.64M0.11%+7,329+28.7%Added
Kentucky Retirement Systems32,539$7.57M0.22%−2,651−7.5%Reduced
Choate Investment Advisors32,466$7.55M0.19%−790−2.4%Reduced
Mercer Global Advisors Inc32,302$7.50M0.02%−27,114−45.6%Reduced
McCollum Christoferson Group LLC32,158$7.48M2.17%−682−2.1%Reduced
Fayez Sarofim & Co31,811$7.40M0.02%+3,055+10.6%Added
Gamco Investors, Inc. Et Al31,688$7.37M0.08%−436−1.4%Reduced
HB Wealth Management, LLC31,305$7.28M0.08%−977−3.0%Reduced
Intact Investment Management Inc.31,300$7.28M0.24%00.0%Unchanged
Kestra Private Wealth Services, LLC30,415$7.07M0.13%+1,175+4.0%Added
Mizuho Securities USA LLC30,288$7.04M0.15%−5,718−15.9%Reduced
Lighthouse Investment Partners, LLC30,000$6.98M0.38%−40,000−57.1%Reduced
Cincinnati Specialty Underwriters Insurance CO30,000$6.98M2.05%00.0%Unchanged
Bogart Wealth, LLC30,000$6.98M0.33%+29,988+249,900.0%Added
Princeton Capital Management LLC29,795$6.93M2.18%−1,209−3.9%Reduced
Integrated Wealth Concepts LLC29,395$6.84M0.08%+1,433+5.1%Added
Hartford Investment Management Co29,381$6.83M0.23%−516−1.7%Reduced
iA Global Asset Management Inc.29,290$6.81M0.12%+2,010+7.4%Added