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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 2022

Institutional positions in American Tower Corp as of Dec 31, 2022. 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
1,711
+52 vs. Q3 2022
Shares held
425.5M
+3.58M (+0.8%) vs. Q3 2022
Total value
$90.0B
−$537.2M (−0.6%) vs. Q3 2022
New holders
181
669 more added
Sold out
129
652 more reduced

34 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 1,711 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 2022: $90.0B
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 20251,851$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 2022

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q3 2022.

Institutions holding AMT in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Factory Mutual Insurance Co153,500$32.5M0.49%00.0%Unchanged
Schonfeld Strategic Advisors LLC154,254$32.7M0.27%+55,154+55.7%Added
Commonwealth Equity Services, LLC154,271$32.7M0.08%+2,056+1.4%Added
Advisor Group Holdings, Inc.154,742$32.8M0.07%+3,334+2.2%Added
Klingenstein Fields & Co LP155,474$32.9M1.71%+94+0.1%Added
Calamos Advisors LLC158,231$33.5M0.16%−14,356−8.3%Reduced
Clal Insurance Enterprises Holdings Ltd160,500$34.3M0.51%00.0%Unchanged
Keybank National Association161,786$34.3M0.17%−24,431−13.1%Reduced
Fifth Third Bancorp162,912$34.5M0.17%−41,142−20.2%Reduced
Mirae Asset Global Investments Co., Ltd.165,889$35.1M0.09%+18,833+12.8%Added
Royal London Asset Management Ltd165,995$35.2M0.16%−47,221−22.1%Reduced
Boston Financial Mangement LLC168,432$35.7M1.43%+42,403+33.6%Added
Aureus Asset Management, LLC168,749$35.8M3.09%+1,516+0.9%Added
CI Private Wealth, LLC172,091$36.5M0.13%+172,091New
Point72 Asset Management, L.P.173,036$36.7M0.14%+173,036New
Madison Asset Management, LLC176,600$37.4M0.59%+12,960+7.9%Added
Truist Financial Corp176,958$37.5M0.07%−14,066−7.4%Reduced
Schroder Investment Management Group177,786$37.7M0.06%−13,960−7.3%Reduced
Trillium Asset Management, LLC179,350$38.0M1.17%+22,969+14.7%Added
AQR Capital Management LLC179,823$38.1M0.09%+12,929+7.7%Added
Abeille Asset Management SA179,908$38.1M1.96%−1,556−0.9%Reduced
Brown Brothers Harriman & Co183,889$39.0M0.34%+46,182+33.5%Added
Ci Investments Inc.186,352$39.5M0.20%−10,783−5.5%Reduced
STRS Ohio186,983$39.6M0.18%−5,327−2.8%Reduced
Susquehanna International Group, LLP187,075$39.6M0.08%+120,214+179.8%Added
Zurcher Kantonalbank (Zurich Cantonalbank)187,829$39.8M0.21%+4,559+2.5%Added
Nissay Asset Management Corp192,672$40.8M0.39%−86,684−31.0%Reduced
Howland Capital Management LLC192,135$41.0M2.53%−2,623−1.3%Reduced
Asset Management One Co.,Ltd.191,511$41.3M0.20%−6,942−3.5%Reduced
Northeast Investment Management197,965$41.9M2.67%−1,890−0.9%Reduced
HighTower Advisors, LLC199,699$42.1M0.10%+23,411+13.3%Added
Victory Capital Management Inc201,251$42.6M0.05%+6,351+3.3%Added
CIBC World Markets Corp204,000$43.2M0.29%−1,687−0.8%Reduced
Baird Financial Group, Inc.205,634$43.6M0.11%+22,051+12.0%Added
Mackenzie Financial Corp206,699$43.8M0.07%−41,552−16.7%Reduced
Treasurer of the State of North Carolina208,303$44.1M0.27%+2,870+1.4%Added
CIBC Asset Management Inc213,556$45.2M0.19%+77,923+57.5%Added
EP Wealth Advisors, LLC213,962$45.3M0.82%+13,613+6.8%Added
Raymond James Financial Services Advisors, Inc.220,246$46.7M0.09%−4,210−1.9%Reduced
Robeco Institutional Asset Management B.V.222,364$47.1M0.14%+10,509+5.0%Added
Kames Capital plc223,515$47.4M0.86%+2,478+1.1%Added
Pictet Asset Management SA224,806$47.6M0.07%−3,315−1.5%Reduced
GW&K Investment Management, LLC225,293$47.7M0.48%−6,407−2.8%Reduced
Haverford Trust Co227,106$48.1M0.59%−4,460−1.9%Reduced
LPL Financial LLC231,169$49.0M0.04%+1,666+0.7%Added
Lasalle Investment Management Securities LLC236,691$50.1M2.06%+24,116+11.3%Added
Ninety One UK Ltd242,221$51.3M0.16%+45,993+23.4%Added
Fort Washington Investment Advisors Inc254,615$53.9M0.42%+42,139+19.8%Added
Mariner, LLC254,757$54.0M0.17%−11,184−4.2%Reduced
Allspring Global Investments Holdings, LLC254,880$54.0M0.09%+6,905+2.8%Added
CCLA Investment Management Ltd260,298$55.2M1.25%+30,097+13.1%Added
Cincinnati Financial Corp263,600$55.8M1.41%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund267,313$56.6M0.29%+248,838+1,346.9%Added
AMF Pensionsforsakring AB267,866$56.8M0.65%−19,491−6.8%Reduced
Chevy Chase Trust Holdings, Inc.269,093$57.0M0.24%−16,642−5.8%Reduced
First Republic Investment Management, Inc.272,277$57.7M0.13%−105,138−27.9%Reduced
King Luther Capital Management Corp274,214$58.1M0.32%+9,635+3.6%Added
Public Employees Retirement System of Ohio281,869$59.7M0.26%+2,015+0.7%Added
Locust Wood Capital Advisers, LLC288,367$61.1M4.28%−16,871−5.5%Reduced
Nisa Investment Advisors, LLC288,418$61.1M0.48%−20,520−6.6%Reduced
Davis R M Inc291,774$61.8M1.67%+4,417+1.5%Added
State of Alaska, Department of Revenue300,757$63.7M0.79%+3,149+1.1%Added
Toronto Dominion Bank302,990$64.2M0.10%+38,682+14.6%Added
Partners Group Holding AG304,466$64.5M4.93%+6,346+2.1%Added
BNP Paribas Arbitrage, SA305,176$64.7M0.16%+22,790+8.1%Added
Douglas Lane & Associates, LLC315,886$66.9M1.12%+8,322+2.7%Added
Bartlett & Co. LLC320,260$68.4M1.38%−17,833−5.3%Reduced
Bartlett & Co. Wealth Management LLC320,260$68.4M1.38%−17,833−5.3%Reduced
Zimmer Partners, LP325,000$68.9M1.38%+305,000+1,525.0%Added
Bristol Gate Capital Partners Inc.325,768$69.0M3.94%−22,606−6.5%Reduced
Scotia Capital Inc.325,781$69.0M0.53%−21,901−6.3%Reduced
State of New Jersey Common Pension Fund D332,627$70.5M0.27%+16,023+5.1%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.329,956$70.8M0.19%+40,459+14.0%Added
Lord, Abbett & Co. LLC334,400$70.8M0.25%−12,930−3.7%Reduced
Bamco Inc335,789$71.1M0.24%+68,011+25.4%Added
The PNC Financial Services Group, Inc.339,288$71.9M0.07%−14,233−4.0%Reduced
M&T Bank Corp343,727$72.8M0.29%+507+0.1%Added
Waterfront Capital Partners, LLC351,817$74.5M6.10%+325,117+1,217.7%Added
Border to Coast Pensions Partnership Ltd355,580$75.3M2.42%−60,000−14.4%Reduced
Federated Hermes, Inc.360,847$76.4M0.21%−7,463−2.0%Reduced
Johnson Investment Counsel Inc365,665$77.5M1.06%−9,260−2.5%Reduced
Zurich Insurance Group Ltd366,158$77.6M1.11%+36,766+11.2%Added
Mar Vista Investment Partners LLC374,925$79.4M3.56%−29,440−7.3%Reduced
Broad Run Investment Management, LLC377,616$80.0M9.64%−82,401−17.9%Reduced
First Trust Advisors LP379,790$80.5M0.10%+27,854+7.9%Added
Stifel Financial Corp386,308$81.9M0.12%+3,838+1.0%Added
Uniplan Investment Counsel, Inc.393,077$83.3M5.92%−16,197−4.0%Reduced
Russell Investments Group, Ltd.403,029$85.6M0.18%−64,472−13.8%Reduced
Heard Capital LLC404,302$85.7M9.28%+113,727+39.1%Added
State of Wisconsin Investment Board412,936$87.5M0.28%−54,030−11.6%Reduced
Rothschild & Co Asset Management US Inc.425,096$90.1M1.37%+107,051+33.7%Added
Retirement Systems of Alabama433,300$91.8M0.40%−13,104−2.9%Reduced
Public Employees Retirement Association of Colorado436,933$92.6M0.50%−539−0.1%Reduced
DF Dent & Co Inc447,767$94.9M1.42%−13,263−2.9%Reduced
Mondrian Investment Partners LTD458,092$97.1M2.15%+385,921+534.7%Added
Evercore Wealth Management, LLC463,571$98.2M2.06%+3,330+0.7%Added
Adage Capital Partners GP, L.L.C.478,605$101.4M0.24%+59,300+14.1%Added
Brookfield Asset Management Inc.479,631$101.6M0.39%+12,848+2.8%Added
AXA S.A.486,771$103.1M0.37%+29,581+6.5%Added
Bahl & Gaynor Inc511,429$108.4M0.68%−215,228−29.6%Reduced