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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
Vanguard Group Inc59,157,936$17.3B0.39%+321,641+0.5%Added
BlackRock Inc.36,636,712$10.7B0.27%+2,302,202+6.7%Added
State Street Corp19,702,540$5.79B0.27%+953,582+5.1%Added
Cohen & Steers, Inc.15,441,584$4.52B7.34%+2,931,769+23.4%Added
Wellington Management Group LLP12,286,476$3.59B0.57%−886,602−6.7%Reduced
Edgewood Management LLC9,329,070$2.73B4.48%−36,432−0.4%Reduced
Geode Capital Management, LLC8,675,143$2.53B0.30%+136,713+1.6%Added
FMR LLC8,521,130$2.49B0.18%−2,500,820−22.7%Reduced
Akre Capital Management LLCSuperinvestorAkre Capital Management7,009,097$2.05B11.90%+1,3100.0%Added
Northern Trust Corp6,134,124$1.79B0.29%−108,764−1.7%Reduced
Dimensional Fund Advisors LP6,100,506$1.78B0.54%−64,383−1.0%Reduced
Goldman Sachs Group Inc5,919,654$1.73B0.42%+429,454+7.8%Added
Bank of America Corp5,785,347$1.69B0.18%−92,636−1.6%Reduced
Principal Financial Group Inc5,114,492$1.49B0.89%+161,751+3.3%Added
Morgan Stanley4,770,742$1.40B0.17%+503,295+11.8%Added
Deutsche Bank AG4,654,065$1.36B0.61%+424,182+10.0%Added
Price T Rowe Associates Inc4,628,772$1.35B0.12%−518,766−10.1%Reduced
Charles Schwab Investment Management Inc4,415,320$1.29B0.38%+106,065+2.5%Added
Legal & General Group Plc4,280,056$1.25B0.38%−71,536−1.6%Reduced
Invesco Ltd.4,275,412$1.25B0.30%+288,478+7.2%Added
Wells Fargo & Company4,260,159$1.25B0.32%−255,137−5.7%Reduced
Massachusetts Financial Services Co4,149,805$1.21B0.33%+43,560+1.1%Added
Bank of New York Mellon Corp4,122,443$1.21B0.22%−30,764−0.7%Reduced
Norges Bank3,925,300$1.15B0.24%+64,558+1.7%Added
Nuveen Asset Management, LLC3,847,510$1.13B0.33%−309,945−7.5%Reduced
Alliancebernstein L.P.3,826,249$1.12B0.40%+58,551+1.6%Added
Capital World Investors3,727,705$1.09B0.17%−866,591−18.9%Reduced
Parnassus Investments3,569,106$1.04B2.00%−56,319−1.6%Reduced
Janus Henderson Group PLC3,281,428$959.8M0.40%+295,520+9.9%Added
Capital Research Global Investors3,277,658$958.7M0.21%−181,768−5.3%Reduced
Manufacturers Life Insurance Company, The2,906,739$850.0M0.52%−239,015−7.6%Reduced
Brown Advisory Inc2,800,278$819.1M1.01%+350,389+14.3%Added
Clearbridge Investments, LLC2,683,167$784.8M0.53%−7390.0%Reduced
UBS Group AG2,671,486$781.4M0.31%−270,666−9.2%Reduced
California Public Employees Retirement System2,126,532$622.0M0.42%−636,226−23.0%Reduced
Putnam Investments LLC2,095,891$613.0M0.88%+82,051+4.1%Added
Canada Pension Plan Investment Board2,051,713$600.1M0.64%+224,538+12.3%Added
UBS Asset Management Americas Inc2,048,631$599.2M0.23%+103,164+5.3%Added
Fisher Asset Management, LLC2,025,069$592.3M0.33%+51,124+2.6%Added
Bessemer Group Inc1,897,416$555.0M1.11%+307,562+19.3%Added
Mitsubishi UFJ Trust & Banking Corp1,889,886$552.8M1.15%−113,948−5.7%Reduced
Neuberger Berman Group LLC1,889,505$551.1M0.43%−22,608−1.2%Reduced
American Century Companies Inc1,828,241$534.8M0.34%−234,344−11.4%Reduced
Ameriprise Financial Inc1,822,815$529.8M0.15%+56,240+3.2%Added
Cantillon Capital Management LLC1,799,761$526.4M3.48%−134,825−7.0%Reduced
Parametric Portfolio Associates LLC1,753,629$512.9M0.26%+23,608+1.4%Added
Swiss National Bank1,729,959$506.0M0.30%−67,900−3.8%Reduced
Bank of Montreal1,713,723$499.4M0.27%+563,327+49.0%Added
Barclays PLC1,553,308$454.3M0.28%−41,912−2.6%Reduced
C WorldWide Group Holding A/S1,531,498$448.0M4.23%−58,292−3.7%Reduced
Loring Wolcott & Coolidge Fiduciary Advisors LLP1,513,565$442.7M4.06%+5,132+0.3%Added
Magellan Asset Management Ltd1,496,220$437.6M1.11%+17,803+1.2%Added
Capital International Investors1,495,794$437.4M0.09%−132,505−8.1%Reduced
1832 Asset Management L.P.1,599,922$427.9M0.76%−33,680−2.1%Reduced
CIBC Private Wealth Group, LLC1,451,899$424.7M0.88%+28,369+2.0%Added
Sumitomo Mitsui Trust Holdings, Inc.1,421,690$415.8M0.25%−47,212−3.2%Reduced
Standard Life Aberdeen plc1,398,422$409.0M0.90%−20,165−1.4%Reduced
Amundi1,601,125$409.0M0.26%+781,299+95.3%Added
Alkeon Capital Management LLC1,311,093$383.5M1.31%00.0%Unchanged
Royal Bank of Canada1,164,054$340.5M0.08%+74,070+6.8%Added
APG Asset Management N.V.1,314,749$338.2M0.57%+389,523+42.1%Added
US Bancorp1,140,965$333.7M0.53%−1,942−0.2%Reduced
Raymond James & Associates1,111,361$325.1M0.26%+80,298+7.8%Added
JPMorgan Chase & Co1,104,456$323.1M0.04%+300,359+37.4%Added
Credit Suisse AG1,097,623$321.1M0.26%−172,423−13.6%Reduced
Citigroup Inc1,067,685$312.3M0.28%+32,063+3.1%Added
Atlanta Capital Management Co L L C1,029,794$301.2M1.02%+6,993+0.7%Added
Liontrust Investment Partners LLP1,010,000$295.4M3.51%+104,764+11.6%Added
TCW Group Inc1,002,247$293.2M2.43%−67,198−6.3%Reduced
Franklin Resources Inc959,483$280.6M0.10%−207,941−17.8%Reduced
Pacer Advisors, Inc.914,447$267.5M2.74%+42,396+4.9%Added
Rhumbline Advisers892,006$260.9M0.32%+12,531+1.4%Added
Davenport & Co LLC837,572$245.0M1.65%−28,294−3.3%Reduced
New York State Common Retirement Fund836,935$244.8M0.25%−7,294−0.9%Reduced
California State Teachers Retirement System817,533$239.1M0.28%+26,969+3.4%Added
Aviva PLC792,006$231.7M0.97%+416,476+110.9%Added
Cbre Clarion Securities LLC791,235$231.4M3.31%−290,436−26.9%Reduced
HSBC Holdings PLC770,293$225.4M0.24%−76,192−9.0%Reduced
AustralianSuper Pty Ltd791,933$223.9M1.24%+1,822+0.2%Added
Centersquare Investment Management LLC748,356$218.9M1.98%+169,080+29.2%Added
Blair William & Co740,333$216.5M0.68%+11,334+1.6%Added
Ensign Peak Advisors, Inc713,991$208.8M0.40%−5,115−0.7%Reduced
SEI Investments Co713,059$208.6M0.39%−35,098−4.7%Reduced
TD Asset Management Inc711,848$208.2M0.17%+122,058+20.7%Added
Sarasin & Partners LLP697,766$204.1M1.86%+13,670+2.0%Added
Great West Life Assurance Co694,994$202.7M0.42%+67,576+10.8%Added
NFJ Investment Group, LLC684,672$200.3M3.65%+139,008+25.5%Added
Bahl & Gaynor Inc676,112$197.8M1.11%+26,044+4.0%Added
Envestnet Asset Management Inc636,584$186.2M0.09%+66,378+11.6%Added
First Manhattan Co618,930$181.0M0.60%+27,984+4.7%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.600,038$175.5M0.59%−1,677−0.3%Reduced
Avenir Corp594,730$174.0M13.40%+1,984+0.3%Added
National Pension Service593,639$173.6M0.30%−15,122−2.5%Reduced
DF Dent & Co Inc589,108$172.3M1.73%−106,770−15.3%Reduced
Swedbank AB589,468$171.6M0.29%−31,330−5.0%Reduced
Broad Run Investment Management, LLC572,902$167.6M10.36%−993−0.2%Reduced
Zurich Insurance Group Ltd548,328$160.4M1.81%+15,313+2.9%Added
Nan Shan Life Insurance Co., Ltd.540,161$158.0M2.40%00.0%Unchanged
New York State Teachers Retirement System539,955$157.9M0.31%+7,553+1.4%Added
State Board of Administration of Florida Retirement System538,529$157.5M0.28%−948−0.2%Reduced