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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; 1,756 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 2021

Institutional positions in American Tower Corp as of Dec 31, 2021. 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
1,799
+146 vs. Q3 2021
Shares held
417.0M
+4.68M (+1.1%) vs. Q3 2021
Total value
$121.8B
+$12.3B (+11.2%) vs. Q3 2021
New holders
256
787 more added
Sold out
110
503 more reduced

25 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 2021: 1,799 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: 1,756 institutions
Value heldQ4 2021: $121.8B
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 20261,756$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, Q4 2021

Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q3 2021.

Institutions holding AMT in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Allianz Asset Management GmbH526,985$154.1M0.11%+13,230+2.6%Added
State of Wisconsin Investment Board519,612$152.0M0.29%−66,808−11.4%Reduced
Daiwa Securities Group Inc.516,312$151.0M0.89%+483,781+1,487.1%Added
Federated Hermes, Inc.499,710$146.2M0.27%+54,490+12.2%Added
Nordea Investment Management AB497,842$144.7M0.17%+149,653+43.0%Added
AXA S.A.493,131$144.2M0.37%−7,630−1.5%Reduced
Adage Capital Partners GP, L.L.C.485,305$142.0M0.26%−3,000−0.6%Reduced
Russell Investments Group, Ltd.483,754$141.4M0.23%−56,089−10.4%Reduced
Korea Investment CORP471,405$137.9M0.36%+113,954+31.9%Added
Evercore Wealth Management, LLC461,975$135.1M2.20%+5,117+1.1%Added
Retirement Systems of Alabama459,230$134.3M0.47%−7,177−1.5%Reduced
Public Employees Retirement Association of Colorado445,793$130.4M0.53%−7,113−1.6%Reduced
M&G Investment Management Ltd443,661$130.0M0.94%+44,174+11.1%Added
D. E. Shaw & Co., Inc.443,815$129.8M0.16%−182,092−29.1%Reduced
Mar Vista Investment Partners LLC439,883$128.7M3.48%−100,560−18.6%Reduced
Duff & Phelps Investment Management Co439,399$128.5M1.51%−2,359−0.5%Reduced
Arrowstreet Capital, Limited Partnership437,223$127.9M0.16%+431,123+7,067.6%Added
Manning & Napier Group, LLC435,217$127.3M1.06%−2,442−0.6%Reduced
AMP Capital Investors Ltd430,033$125.7M3.55%−405,150−48.5%Reduced
Tesco Pension Investment Ltd429,480$125.6M2.06%+10,989+2.6%Added
Mondrian Investment Partners LTD429,054$125.5M2.48%−22,025−4.9%Reduced
BNP Paribas Arbitrage, SA412,567$120.7M0.29%+101,345+32.6%Added
Public Employees Retirement System of Ohio410,911$120.2M0.40%+122,798+42.6%Added
ClearBridge Investments Ltd409,804$119.9M3.60%−17,408−4.1%Reduced
Johnson Investment Counsel Inc407,804$119.8M1.47%+14,184+3.6%Added
Uniplan Investment Counsel, Inc.407,537$119.2M6.66%−15,152−3.6%Reduced
First Republic Investment Management, Inc.405,287$118.5M0.25%+22,528+5.9%Added
Prudential Financial Inc415,471$117.9M0.15%+9,985+2.5%Added
Eaton Vance Management389,717$114.0M0.14%−522−0.1%Reduced
Storebrand Asset Management AS389,584$114.0M0.51%−3,218−0.8%Reduced
Stifel Financial Corp379,958$111.2M0.15%+16,913+4.7%Added
Colony Capital, Inc.370,650$108.4M15.85%+115,700+45.4%Added
Capitolis Advisors LLC368,622$107.8M0.64%+65,536+21.6%Added
The PNC Financial Services Group, Inc.368,603$107.8M0.09%+11,909+3.3%Added
Nissay Asset Management Corp364,234$106.5M0.82%+163,224+81.2%Added
Toronto Dominion Bank361,561$105.8M0.14%+24,245+7.2%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main356,884$104.4M0.15%+46,282+14.9%Added
AMF Pensionsforsakring AB354,788$103.9M0.71%+87,973+33.0%Added
Bristol Gate Capital Partners Inc.352,132$103.0M4.63%+1,213+0.3%Added
Echo Street Capital Management LLC336,923$98.5M0.66%−11,466−3.3%Reduced
Scotia Capital Inc.332,779$97.3M0.64%+21,677+7.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys330,363$96.6M1.01%+1,095+0.3%Added
Ci Investments Inc.329,169$96.3M0.33%−15,321−4.4%Reduced
Kames Capital plc328,663$96.1M1.24%+1,068+0.3%Added
Glenmede Trust Co NA328,070$96.0M0.46%+2,073+0.6%Added
Lord, Abbett & Co. LLC327,400$95.8M0.22%+116,400+55.2%Added
Citadel Advisors LLC326,794$95.6M0.10%−406,984−55.5%Reduced
Bartlett & Co. Wealth Management LLC323,876$95.1M1.61%+1,435+0.4%Added
Bartlett & Co. LLC323,876$95.0M1.61%+1,435+0.4%Added
Macquarie Group Ltd324,261$94.8M0.08%+166,202+105.2%Added
AQR Capital Management LLC326,101$94.8M0.17%−60,929−15.7%Reduced
Douglas Lane & Associates, LLC320,090$93.6M1.25%−1,434−0.4%Reduced
M&T Bank Corp317,839$93.0M0.39%+6,514+2.1%Added
State of New Jersey Common Pension Fund D314,594$92.0M0.27%−1,688−0.5%Reduced
Allspring Global Investments Holdings, LLC312,050$91.3M0.10%+312,050New
NN Investment Partners Holdings N.V.311,991$91.3M0.46%+23,201+8.0%Added
Rothschild & Co Asset Management US Inc.309,354$90.5M1.06%−3,197−1.0%Reduced
Brookfield Asset Management Inc.308,202$90.1M0.35%−4,646−1.5%Reduced
Healthcare of Ontario Pension Plan Trust Fund306,037$89.5M0.19%+236,567+340.5%Added
Davis R M Inc301,802$88.3M1.97%−5,128−1.7%Reduced
State of Alaska, Department of Revenue297,062$86.9M0.84%−6,706−2.2%Reduced
First Trust Advisors LP296,156$86.6M0.08%−570,095−65.8%Reduced
Keybank National Association291,884$85.4M0.34%−15,928−5.2%Reduced
Partners Group Holding AG279,830$81.8M3.88%−2,329−0.8%Reduced
Chevy Chase Trust Holdings, Inc.274,715$80.4M0.26%−7,145−2.5%Reduced
Nisa Investment Advisors, LLC318,103$80.0M0.60%−23,612−6.9%Reduced
Royal London Asset Management Ltd258,902$75.7M0.28%−16,258−5.9%Reduced
American Assets Capital Advisers, LLC253,856$74.3M7.34%+20,926+9.0%Added
Truist Financial Corp249,314$72.9M0.11%−6,008−2.4%Reduced
Locust Wood Capital Advisers, LLC248,208$72.6M4.09%−26,814−9.7%Reduced
Bamco Inc244,163$71.4M0.15%+15,599+6.8%Added
CIBC World Markets Corp243,334$71.2M0.38%−43,753−15.2%Reduced
King Luther Capital Management Corp241,754$70.7M0.32%+12,784+5.6%Added
GW&K Investment Management, LLC239,689$70.1M0.59%−3,645−1.5%Reduced
Epoch Investment Partners, Inc.229,602$67.2M0.34%−8,855−3.7%Reduced
State of Tennessee, Treasury Department228,804$66.9M0.25%−64,382−22.0%Reduced
Pictet Asset Management SA219,923$64.3M0.06%+2,734+1.3%Added
Lasalle Investment Management Securities LLC219,723$64.3M1.91%+10,169+4.9%Added
Natixis219,283$64.1M0.22%−82,825−27.4%Reduced
CIBC Asset Management Inc218,947$64.0M0.23%+9,498+4.5%Added
Raymond James Financial Services Advisors, Inc.214,428$62.7M0.12%−12,970−5.7%Reduced
Haverford Trust Co214,376$62.7M0.68%+2,805+1.3%Added
Voya Investment Management LLC213,684$62.5M0.12%+10,378+5.1%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.216,833$62.1M0.25%+30,078+16.1%Added
Reaves W H & Co Inc211,588$61.9M1.89%+4,322+2.1%Added
Asset Management One Co.,Ltd.213,998$61.8M0.22%+3,125+1.5%Added
Heard Capital LLC204,031$59.7M9.34%+58,111+39.8%Added
Cincinnati Financial Corp201,619$59.0M1.24%00.0%Unchanged
Adelante Capital Management LLC199,978$58.5M2.60%−4,720−2.3%Reduced
Treasurer of the State of North Carolina198,138$58.0M0.31%+850+0.4%Added
Northeast Investment Management197,552$57.8M2.82%−1,186−0.6%Reduced
Advisors Asset Management, Inc.194,472$56.9M0.81%+5,399+2.9%Added
Howland Capital Management LLC193,617$56.6M2.88%−1,606−0.8%Reduced
Fifth Third Bancorp189,880$55.5M0.22%+14,722+8.4%Added
CCLA Investment Management Ltd186,512$54.5M0.89%−13,418−6.7%Reduced
Mackenzie Financial Corp186,079$54.4M0.07%+5,658+3.1%Added
Robeco Institutional Asset Management B.V.186,064$54.4M0.12%−131−0.1%Reduced
STRS Ohio183,153$53.6M0.19%−1,806−1.0%Reduced
LPL Financial LLC182,958$53.5M0.04%+10,804+6.3%Added
Fort Washington Investment Advisors Inc181,400$53.1M0.32%−21,846−10.7%Reduced