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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
Evergreen Capital Management LLC39,012$9.07M0.30%−16,649−29.9%Reduced
Gateway Investment Advisers LLC39,015$9.07M0.10%−4,330−10.0%Reduced
Fuller & Thaler Asset Management, Inc.39,220$9.12M0.04%−4,106−9.5%Reduced
Peapack Gladstone Financial Corp39,295$9.14M0.13%−2,567−6.1%Reduced
Sanctuary Advisors, LLC45,305$9.26M0.06%−2,271−4.8%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
Oregon Public Employees Retirement Fund40,021$9.31M0.17%−80−0.2%Reduced
Bernzott Capital Advisors40,274$9.37M4.03%−85−0.2%Reduced
La Banque Postale Asset Management SA40,333$9.38M0.14%+35,562+745.4%Added
Adell Harriman & Carpenter Inc40,389$9.39M0.68%−1,920−4.5%Reduced
Wendell David Associates Inc40,644$9.45M0.90%−63−0.2%Reduced
Brasada Capital Management, LP40,915$9.49M1.66%−2,181−5.1%Reduced
Cambridge Investment Research Advisors, Inc.41,956$9.76M0.03%+3,273+8.5%Added
Wealthfront Advisers LLC42,013$9.77M0.03%+8,503+25.4%Added
Snowden Capital Advisors LLC42,029$9.77M0.29%−835−1.9%Reduced
Torray LLC42,171$9.81M1.37%−5,063−10.7%Reduced
Dividend Assets Capital, LLC42,236$9.82M1.88%+758+1.8%Added
MML Investors Services, LLC42,247$9.82M0.04%+3,739+9.7%Added
Capital Analysts, LLC42,680$9.93M0.40%+746+1.8%Added
Palisade Asset Management, LLC42,735$9.94M0.97%−518−1.2%Reduced
ING Groep NV42,768$9.95M0.06%−18,078−29.7%Reduced
West Coast Financial LLC42,967$9.99M1.10%+399+0.9%Added
Nixon Peabody Trust Co42,970$9.99M0.83%−978−2.2%Reduced
Point72 Europe (London) LLP43,315$10.1M0.85%+43,315New
Kempen Capital Management N.V.43,830$10.2M0.10%+2,111+5.1%Added
Prospect Capital Advisors, LLC43,990$10.2M4.63%−24,235−35.5%Reduced
Elo Mutual Pension Insurance Co44,381$10.3M0.22%−1,350−3.0%Reduced
JustInvest LLC44,678$10.4M0.17%+6,031+15.6%Added
Atria Investments LLC44,730$10.4M0.13%+3,934+9.6%Added
Vanderbilt University44,773$10.4M1.93%+8,642+23.9%Added
Renaissance Technologies LLC44,800$10.4M0.02%+44,800New
Loomis Sayles & Co L P44,973$10.5M0.01%+6,236+16.1%Added
Candriam Luxembourg S.C.A.45,181$10.5M0.06%+1,269+2.9%Added
Jennison Associates LLC45,720$10.6M0.01%+687+1.5%Added
Blue Chip Partners, Inc.45,919$10.7M0.93%+1,393+3.1%Added
Park National Corp46,058$10.7M0.38%−5,082−9.9%Reduced
Cabot Wealth Management Inc46,613$10.8M1.36%+1,154+2.5%Added
Northwestern Mutual Wealth Management Co46,846$10.9M0.01%−11,771−20.1%Reduced
Marshall Wace, LLP47,564$11.1M0.01%−414,172−89.7%Reduced
O'Shaughnessy Asset Management, LLC49,983$11.1M0.10%+9,645+23.9%Added
Eagle Global Advisors LLC47,674$11.1M0.55%−198−0.4%Reduced
Oppenheimer & Co Inc47,754$11.1M0.17%−25,610−34.9%Reduced
Mirae Asset Global Investments Co., Ltd.48,499$11.2M0.05%+4,040+9.1%Added
Sandy Spring Bank48,711$11.3M0.47%+44+0.1%Added
Aptus Capital Advisors, LLC49,579$11.5M0.18%+4,247+9.4%Added
Moore Capital Management, LP49,774$11.6M0.34%+43,594+705.4%Added
John G Ullman & Associates Inc49,871$11.6M1.67%−2,210−4.2%Reduced
Manning & Napier Advisors LLC50,277$11.7M0.13%−120−0.2%Reduced
Chicago Partners Investment Group LLC51,957$11.8M0.42%−7,790−13.0%Reduced
Wedge Capital Management L L P50,792$11.8M0.20%−18,354−26.5%Reduced
Kelly Lawrence W & Associates Inc51,159$11.9M2.68%−248−0.5%Reduced
Cullen/Frost Bankers, Inc.51,246$11.9M0.16%−1,239−2.4%Reduced
Linscomb & Williams, Inc.51,263$11.9M0.59%−610−1.2%Reduced
Waterfront Capital Partners, LLC51,411$12.0M2.20%−123,529−70.6%Reduced
B. Metzler seel. Sohn & Co. AG51,595$12.0M0.12%+17,854+52.9%Added
B. Metzler seel. Sohn & Co. Holding AG51,595$12.0M0.12%+51,595New
Markel Group Inc.SuperinvestorMarkel Group51,910$12.1M0.11%00.0%Unchanged
Liberty Mutual Group Asset Management Inc.51,993$12.1M1.83%−5,931−10.2%Reduced
Generate Investment Management Ltd52,121$12.1M0.81%+14,966+40.3%Added
Johnson Investment Counsel Inc52,184$12.1M0.12%−240,093−82.1%Reduced
Covea Finance52,371$12.2M0.53%00.0%Unchanged
Grassi Investment Management53,417$12.4M1.07%−875−1.6%Reduced
Banco Santander, S.A.53,638$12.5M0.15%+30,419+131.0%Added
TownSquare Capital, LLC55,645$12.9M0.16%+1,924+3.6%Added
First Trust Advisors LP55,663$12.9M0.01%+4,027+7.8%Added
Sumitomo Mitsui DS Asset Management Company, Ltd56,667$13.2M0.14%+2,269+4.2%Added
Trust Co of Vermont57,243$13.3M0.67%+163+0.3%Added
TD Waterhouse Canada Inc.57,439$13.3M0.11%+38,016+195.7%Added
Mutual of America Capital Management LLC57,515$13.4M0.14%−1,379−2.3%Reduced
Swiss Life Asset Management Ltd57,714$13.4M0.15%+26,707+86.1%Added
Washington Trust Advisors, Inc.57,728$13.4M1.16%−63−0.1%Reduced
Northwest & Ethical Investments L.P.57,803$13.4M0.35%+17,931+45.0%Added
Gotham Asset Management, LLC58,634$13.6M0.14%+8,290+16.5%Added
Crossmark Global Holdings, Inc.58,946$13.7M0.24%−2,689−4.4%Reduced
Cobblestone Capital Advisors LLC59,521$13.8M0.78%+56+0.1%Added
Fiduciary Trust Co59,687$13.9M0.19%+3,789+6.8%Added
Sterling Capital Management LLC59,891$13.9M0.18%+59,891New
Cincinnati Insurance Co60,000$14.0M0.23%00.0%Unchanged
Middleton & Co Inc60,030$14.0M1.54%−1,057−1.7%Reduced
First Horizon Advisors, Inc.60,173$14.0M0.39%+3,930+7.0%Added
Brown Brothers Harriman & Co60,269$14.0M0.10%−16,634−21.6%Reduced
Bank of Nova Scotia60,395$14.0M0.03%−27,599−31.4%Reduced
LGT Fund Management Co Ltd.60,673$14.1M1.46%+459+0.8%Added
Glenmede Trust Co NA60,560$14.1M0.07%−86,579−58.8%Reduced
Edgewood Management LLC60,790$14.1M0.04%−1,083−1.8%Reduced
Williams Jones Wealth Management, LLC.61,596$14.3M0.17%+382+0.6%Added
Gradient Investments LLC61,735$14.4M0.30%−20,180−24.6%Reduced
Dai-Ichi Life Insurance Company, Ltd62,310$14.5M0.37%+20,825+50.2%Added
Edge Wealth Management LLC62,939$14.6M2.94%−145−0.2%Reduced
SG Americas Securities, LLC64,329$15.0M0.06%−18,235−22.1%Reduced
Bath Savings Trust Co64,441$15.0M1.49%−1,402−2.1%Reduced
Pathstone Holdings, LLC64,582$15.0M0.07%−746−1.1%Reduced
Public Employees Retirement Association of Colorado64,782$15.1M0.06%+60.0%Added
Firetrail Investments Pty Ltd65,608$15.2M4.39%+457+0.7%Added
Knights of Columbus Asset Advisors LLC65,964$15.3M1.01%+26,262+66.1%Added
CIBC World Markets Inc.66,285$15.4M0.03%−1,166−1.7%Reduced
Rafferty Asset Management, LLC66,395$15.4M0.05%+1,919+3.0%Added
Harber Asset Management LLC66,893$15.6M4.65%+2,967+4.6%Added