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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, Q1 2024

Institutional positions in American Tower Corp as of Mar 31, 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
1,769
−12 vs. Q4 2023
Shares held
430.9M
+893.9K (+0.2%) vs. Q4 2023
Total value
$85.0B
−$7.81B (−8.4%) vs. Q4 2023
New holders
150
752 more added
Sold out
162
655 more reduced

21 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 1,769 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 heldQ1 2024: $85.0B
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, Q1 2024

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q4 2023.

Institutions holding AMT in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Utah Retirement Systems80,744$16.0M0.19%00.0%Unchanged
Motley Fool Asset Management LLC80,304$15.9M1.03%−2,114−2.6%Reduced
Resona Asset Management Co.,Ltd.79,928$15.8M0.09%+79,928New
Yousif Capital Management, LLC79,890$15.8M0.18%+437+0.6%Added
Ancora Advisors, LLC79,863$15.8M0.36%+16,711+26.5%Added
Apriem Advisors79,179$15.6M1.97%−2,277−2.8%Reduced
Tredje AP-fonden78,851$15.6M0.16%+18,000+29.6%Added
Kovitz Investment Group Partners, LLC78,721$15.6M0.20%+40,275+104.8%Added
Prudential PLC78,020$15.4M0.13%+47,815+158.3%Added
Simplex Trading, LLC77,628$15.3M0.45%+22,091+39.8%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund76,384$15.1M0.17%+6,500+9.3%Added
Andra AP-fonden76,100$15.0M0.27%+57,500+309.1%Added
Hazelview Securities Inc.77,852$15.0M2.83%−13,005−14.3%Reduced
Pathstone Holdings, LLC75,668$15.0M0.07%+17,651+30.4%Added
First Long Island Investors, LLC74,553$14.7M1.23%−38,283−33.9%Reduced
Cohen Klingenstein LLC74,121$14.6M0.55%−2,428−3.2%Reduced
Gilder Gagnon Howe & Co LLC74,050$14.6M0.18%−451−0.6%Reduced
Avalon Trust Co73,752$14.6M1.20%+400+0.5%Added
Pinnacle Financial Partners Inc73,470$14.5M0.31%−458−0.6%Reduced
Badgley Phelps Wealth Managers, LLC72,739$14.4M0.36%−1,574−2.1%Reduced
Jane Street Group, LLC72,602$14.3M0.02%−163,404−69.2%Reduced
FIL Ltd71,301$14.1M0.01%+3,753+5.6%Added
London & Capital Asset Management Ltd71,182$14.1M1.07%+9,640+15.7%Added
Wedge Capital Management L L P71,022$14.0M0.23%+8,149+13.0%Added
Bowen Hanes & Co Inc71,000$14.0M0.40%00.0%Unchanged
Anchor Capital Advisors LLC70,103$13.9M0.36%−6,522−8.5%Reduced
Colony Capital, Inc.69,500$13.7M1.24%−227,556−76.6%Reduced
Washington Trust Co69,355$13.7M0.50%−20.0%Reduced
Bridges Investment Management Inc68,275$13.5M0.42%−375−0.5%Reduced
Prospect Capital Advisors, LLC68,225$13.5M6.00%+6,340+10.2%Added
Bath Savings Trust Co68,148$13.5M1.43%−696−1.0%Reduced
Stephens Inc67,183$13.3M0.21%+8,890+15.3%Added
Jones Financial Companies LLLP67,172$13.3M0.02%+3,962+6.3%Added
Wallington Asset Management, LLC66,802$13.2M2.07%+522+0.8%Added
Creative Planning66,780$13.2M0.01%+4,938+8.0%Added
Davis Selected Advisers66,680$13.2M0.07%+8,490+14.6%Added
Public Employees Retirement Association of Colorado66,406$13.1M0.06%−109,740−62.3%Reduced
Lazard Asset Management LLC64,533$12.8M0.02%+59,514+1,185.8%Added
Edge Wealth Management LLC64,322$12.7M2.67%+68+0.1%Added
Captrust Financial Advisors63,811$12.6M0.05%+218+0.3%Added
Eagle Global Advisors LLC63,487$12.5M0.71%+2,587+4.2%Added
Middleton & Co Inc63,167$12.5M1.44%−1,651−2.5%Reduced
Williams Jones Wealth Management, LLC.62,326$12.3M0.16%−1,971−3.1%Reduced
ING Groep NV61,888$12.2M0.08%−21,131−25.5%Reduced
Chicago Partners Investment Group LLC70,053$12.2M0.52%+2,664+4.0%Added
Girard Partners Ltd.61,157$12.1M1.14%+5,103+9.1%Added
Mutual of America Capital Management LLC61,123$12.1M0.13%−1,256−2.0%Reduced
Bank of Nova Scotia61,000$12.1M0.02%−123,318−66.9%Reduced
Harber Asset Management LLC60,860$12.0M2.93%−461−0.8%Reduced
NFJ Investment Group, LLC60,654$12.0M0.33%−18,400−23.3%Reduced
Adelante Capital Management LLC60,590$12.0M0.79%−46,567−43.5%Reduced
Trust Co of Vermont60,563$12.0M0.67%+4,225+7.5%Added
Heitman Real Estate Securities LLC60,134$11.9M0.68%−169,251−73.8%Reduced
Alyeska Investment Group, L.P.60,009$11.9M0.07%+60,009New
Cincinnati Insurance Co60,000$11.9M0.19%00.0%Unchanged
Washington Trust Advisors, Inc.59,461$11.7M1.08%+498+0.8%Added
Cobblestone Capital Advisors LLC59,431$11.7M0.74%−757−1.3%Reduced
Squarepoint Ops LLC58,519$11.6M0.05%+45,283+342.1%Added
Crossmark Global Holdings, Inc.58,330$11.5M0.22%+16,703+40.1%Added
Liberty Mutual Group Asset Management Inc.57,899$11.4M3.26%−2,500−4.1%Reduced
Rheos Capital Works Inc.57,600$11.4M0.54%+4,600+8.7%Added
First Horizon Advisors, Inc.56,621$11.2M0.35%+2,946+5.5%Added
Fiduciary Trust Co56,581$11.2M0.17%+1,182+2.1%Added
Rafferty Asset Management, LLC55,840$11.0M0.04%−6,691−10.7%Reduced
British Columbia Investment Management Corp55,832$11.0M0.08%+2,169+4.0%Added
Oppenheimer & Co Inc55,576$11.0M0.18%+8,354+17.7%Added
Northwestern Mutual Wealth Management Co55,399$10.9M0.01%+2,708+5.1%Added
Public Sector Pension Investment Board55,135$10.9M0.08%−683−1.2%Reduced
Abn Amro Investment Solutions55,032$10.9M0.19%−2,294−4.0%Reduced
Peapack Gladstone Financial Corp54,603$10.8M0.17%−4,676−7.9%Reduced
Grassi Investment Management54,592$10.8M0.98%00.0%Unchanged
Adell Harriman & Carpenter Inc53,588$10.6M0.87%−4,907−8.4%Reduced
Cullen/Frost Bankers, Inc.53,233$10.5M0.16%−2,731−4.9%Reduced
Ausbil Investment Management Ltd54,058$10.4M5.23%−20,125−27.1%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd52,649$10.4M0.13%+1,323+2.6%Added
Covea Finance52,371$10.3M0.49%−2,398−4.4%Reduced
T. Rowe Price Investment Management, Inc.52,215$10.3M0.01%+22,995+78.7%Added
Linscomb & Williams, Inc.52,050$10.3M0.53%−87−0.2%Reduced
Markel Group Inc.SuperinvestorMarkel Group51,910$10.3M0.10%00.0%Unchanged
Park National Corp50,873$10.1M0.39%+827+1.7%Added
Kelly Lawrence W & Associates Inc50,761$10.0M2.28%+91+0.2%Added
Lockheed Martin Investment Management Co49,865$9.99M0.73%−9,050−15.4%Reduced
Manning & Napier Group, LLC50,102$9.90M0.11%−7,636−13.2%Reduced
Waratah Capital Advisors Ltd.50,090$9.90M0.51%+48,849+3,936.3%Added
Sandy Spring Bank49,251$9.73M0.44%+610+1.3%Added
Boston Private Wealth LLC48,863$9.65M0.22%−2,801−5.4%Reduced
Gulf International Bank (UK) Ltd48,305$9.54M0.24%+2,722+6.0%Added
Nixon Peabody Trust Co48,277$9.54M0.88%+2,378+5.2%Added
MML Investors Services, LLC48,185$9.52M0.04%+9,755+25.4%Added
Torray LLC46,849$9.26M1.39%+2,041+4.6%Added
Brasada Capital Management, LP45,707$9.03M1.62%+4,112+9.9%Added
Synovus Financial Corp45,337$8.96M0.12%+60.0%Added
Ethic Inc.45,171$8.93M0.23%+5,504+13.9%Added
Penserra Capital Management LLC45,171$8.92M0.11%−6,056−11.8%Reduced
Capital Analysts, LLC44,653$8.82M0.41%+1,333+3.1%Added
Aptus Capital Advisors, LLC44,653$8.82M0.19%−28,048−38.6%Reduced
Palisade Asset Management, LLC44,470$8.79M0.86%+2,725+6.5%Added
Degroof Petercam Asset Management44,470$8.79M0.11%−123,174−73.5%Reduced
Dai-Ichi Life Insurance Company, Ltd44,425$8.78M0.20%−363−0.8%Reduced
Kempen Capital Management N.V.44,124$8.72M0.11%−7,146−13.9%Reduced