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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 2024

Institutional positions in American Tower Corp as of Dec 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
1,798
−18 vs. Q3 2024
Shares held
434.0M
+6.47M (+1.5%) vs. Q3 2024
Total value
$79.6B
−$19.5B (−19.6%) vs. Q3 2024
New holders
204
604 more added
Sold out
222
789 more reduced

36 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 1,798 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: 1,851 institutionsQ3 2025: 1,799 institutionsQ4 2025: 1,781 institutionsQ1 2026: 1,760 institutionsQ2 2026: 1,757 institutions
Value heldQ4 2024: $79.6B
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 20261,757$72.0B
Q1 20261,760$74.4B
Q4 20251,781$77.0B
Q3 20251,799$82.5B
Q2 20251,851$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 2024

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q3 2024.

Institutions holding AMT in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Rockbridge Capital Management LLC91,744$16.8M9.57%+91,744New
Evelyn Partners Investment Management LLP92,551$17.0M0.55%+92,551New
Chilton Capital Management LLC91,932$17.0M0.72%+4,737+5.4%Added
Two Sigma Investments, LP92,636$17.0M0.04%+76,668+480.1%Added
Skandinaviska Enskilda Banken AB (publ)93,485$17.0M0.08%−1,033−1.1%Reduced
Groupama Asset Managment94,472$17.2M0.35%−3,095−3.2%Reduced
NFJ Investment Group, LLC94,628$17.4M0.56%−1,952−2.0%Reduced
Gotham Asset Management, LLC94,755$17.4M0.16%+36,121+61.6%Added
Walleye Capital LLC94,832$17.4M0.17%+18,679+24.5%Added
Rockefeller Capital Management L.P.94,931$17.4M0.05%+1,046+1.1%Added
Vestcor Inc94,965$17.4M0.58%+1,118+1.2%Added
Financiere des Professionnels - Fonds d,investissement inc.95,392$17.5M1.22%−1,922−2.0%Reduced
Amalgamated Bank96,704$17.7M0.15%−1,301−1.3%Reduced
Destination Wealth Management96,775$17.7M0.56%+1,783+1.9%Added
American Assets Capital Advisers, LLC98,620$18.1M6.04%−5,380−5.2%Reduced
Heitman Real Estate Securities LLC98,634$18.1M1.16%−131,023−57.1%Reduced
Cerity Partners LLC89,459$18.3M0.04%−39,775−30.8%Reduced
Eastern Bank100,348$18.4M0.34%−2,079−2.0%Reduced
Premier Fund Managers Ltd101,601$18.5M0.66%−5,500−5.1%Reduced
Andra AP-fonden100,700$18.5M0.30%+17,700+21.3%Added
Czech National Bank101,318$18.6M0.17%+6,169+6.5%Added
Vert Asset Management LLC102,371$18.8M6.43%+9,511+10.2%Added
Teachers Retirement System of the State of Kentucky102,390$18.8M0.16%−1,791−1.7%Reduced
Cetera Investment Advisers102,828$18.9M0.04%−407−0.4%Reduced
Wiley Bros.-Aintree Capital, LLC103,908$18.9M0.23%+33,944+48.5%Added
MAI Capital Management104,060$19.1M0.14%−6,818−6.1%Reduced
Gabelli Funds LLC105,110$19.3M0.14%−3,640−3.3%Reduced
Scotia Capital Inc.106,430$19.5M0.10%−729−0.7%Reduced
Heritage Investors Management Corp106,870$19.6M0.63%+3,997+3.9%Added
Advisors Asset Management, Inc.107,745$19.8M0.36%+995+0.9%Added
Jump Financial, LLC107,850$19.8M0.42%+7,035+7.0%Added
T. Rowe Price Investment Management, Inc.110,141$20.2M0.01%+36,287+49.1%Added
Stock Yards Bank & Trust Co112,540$20.6M0.71%−3,801−3.3%Reduced
Agf Management Ltd112,671$20.7M0.10%+36,354+47.6%Added
Ofi Invest Asset Management116,715$20.7M0.49%+116,715New
Ninety One UK Ltd112,748$20.7M0.06%00.0%Unchanged
FourThought Financial Partners, LLC113,380$20.8M2.16%−3,274−2.8%Reduced
Sora Investors LLC113,829$20.9M2.32%+113,829New
Oppenheimer Asset Management Inc.114,173$20.9M0.25%−13,053−10.3%Reduced
Millennium Management LLC114,413$21.0M0.02%+4,253+3.9%Added
Xponance, Inc.115,244$21.1M0.19%+2,575+2.3%Added
Hazelview Securities Inc.117,743$21.2M3.87%+117,743New
GW Henssler & Associates Ltd91,269$21.2M1.22%−2,081−2.2%Reduced
Renaissance Technologies LLC115,839$21.2M0.03%+71,039+158.6%Added
Federation des caisses Desjardins du Quebec116,329$21.3M0.11%+10,811+10.2%Added
Forsta Ap-Fonden117,300$21.5M0.15%+300+0.3%Added
Lido Advisors, LLC116,898$21.6M0.14%+7,313+6.7%Added
Prudential PLC118,470$21.7M0.11%+16,984+16.7%Added
Boston Financial Mangement LLC118,546$21.7M0.66%−27,068−18.6%Reduced
Thrivent Financial for Lutherans119,513$21.9M0.04%−10,662−8.2%Reduced
ProShare Advisors LLC120,000$22.0M0.05%+2,366+2.0%Added
Corebridge Financial, Inc.120,492$22.1M0.12%−6,337−5.0%Reduced
Baird Financial Group, Inc.120,660$22.1M0.04%−19,791−14.1%Reduced
Mill Capital Management, LLC120,683$22.1M1.75%+1,440+1.2%Added
Alpha Cubed Investments, LLC121,093$22.2M1.02%−75,927−38.5%Reduced
DnB Asset Management AS122,205$22.4M0.10%+3,700+3.1%Added
United Capital Financial Advisers, LLC122,359$22.4M0.19%−2,672−2.1%Reduced
J. Stern & Co. LLP122,576$22.5M2.12%+6,118+5.3%Added
Carnegie Capital Asset Management, LLC124,819$22.9M0.66%−746−0.6%Reduced
First Trust Advisors LP126,558$23.2M0.02%+70,895+127.4%Added
State of Michigan Retirement System126,784$23.3M0.12%−400−0.3%Reduced
First Financial Bankshares Inc127,438$23.4M0.51%−15,652−10.9%Reduced
Boston Family Office LLC127,574$23.4M1.61%−1,908−1.5%Reduced
Financial Counselors Inc127,593$23.4M0.34%−5,734−4.3%Reduced
Private Advisor Group, LLC128,880$23.6M0.13%+45,452+54.5%Added
J. Safra Sarasin Holding AG131,262$24.1M0.41%+6,448+5.2%Added
Ancora Advisors, LLC132,674$24.3M0.54%+12,673+10.6%Added
Van Eck Associates Corp132,818$24.4M0.03%+5,110+4.0%Added
Teacher Retirement System of Texas133,377$24.5M0.09%+2,494+1.9%Added
Fifth Third Bancorp133,596$24.5M0.09%−2,293−1.7%Reduced
Arizona State Retirement System134,769$24.7M0.15%+876+0.7%Added
IFM Investors Pty Ltd136,816$25.1M0.26%−8,263−5.7%Reduced
Quintet Private Bank (Europe) S.A.138,538$25.4M1.40%+13,910+11.2%Added
Klingenstein Fields & Co LP138,774$25.5M1.03%−883−0.6%Reduced
Bridges Investment Management Inc139,659$25.6M0.36%−8,412−5.7%Reduced
Mar Vista Investment Partners LLC141,512$26.0M1.78%−163,933−53.7%Reduced
Nomura Asset Management Co Ltd141,684$26.0M0.08%+356+0.3%Added
Truist Financial Corp141,886$26.0M0.04%−4,754−3.2%Reduced
Commonwealth Equity Services, LLC142,307$26.1M0.04%−6,601−4.4%Reduced
Mirae Asset Global ETFs Holdings Ltd.142,764$26.2M0.06%+2,758+2.0%Added
MetLife Investment Management144,257$26.5M0.14%+1,545+1.1%Added
Jones Financial Companies LLLP144,481$26.5M0.03%+22,260+18.2%Added
Calamos Advisors LLC144,973$26.6M0.12%+412+0.3%Added
Squarepoint Ops LLC147,504$27.1M0.07%+65,626+80.2%Added
Natixis148,581$27.3M0.18%+148,581New
STRS Ohio149,677$27.5M0.11%−48,324−24.4%Reduced
Aureus Asset Management, LLC151,407$27.8M1.79%−9,774−6.1%Reduced
Natixis Advisors, L.P.156,539$28.7M0.05%−21,408−12.0%Reduced
B&I Capital AG157,500$28.9M9.41%+157,500New
KLP Kapitalforvaltning AS157,113$29.0M0.14%+157,113New
Madison Asset Management, LLC161,703$29.7M0.33%+42,678+35.9%Added
Madison Investment Advisors, LLC161,703$29.7M0.33%+161,703New
Greenleaf Trust162,891$29.9M0.27%−1,881−1.1%Reduced
Ci Investments Inc.168,295$30.9M0.12%−12,128−6.7%Reduced
BI Asset Management Fondsmaeglerselskab A/S169,394$31.1M0.33%−1,055−0.6%Reduced
GW&K Investment Management, LLC169,638$31.1M0.26%−7,237−4.1%Reduced
Kingsview Wealth Management, LLC170,909$31.3M0.61%+27,251+19.0%Added
Barr E S & Co171,850$31.5M1.86%+4,419+2.6%Added
Healthcare of Ontario Pension Plan Trust Fund172,600$31.7M0.07%−116,300−40.3%Reduced
Victory Capital Management Inc173,053$31.7M0.03%+6,453+3.9%Added